Communication method and communication apparatus

Abstract

A communication method and a communication apparatus. In the method, when reporting a measurement report, a receiving end can report channel state information corresponding to multiple reference signal resources, and perform CSI field ordering in the manner described above. In a multi-beam scenario, the number of zero padding bits of multiple reporting resources is calculated and / or the positions for placing the zero padding bits are designed, such that reliable reporting can be implemented, thereby preventing a loss of information.

Description

Communication methods and communication devices

[0001] This application claims priority to Chinese Patent Application No. 202411660988.4, filed with the China National Intellectual Property Administration on November 18, 2024, entitled "Communication Method and Communication Device", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of communications, and more specifically, to a communication method and a communication device. Background Technology

[0003] In wireless communication, reference signals are transmitted between the transmitting and receiving ends to send and receive data, obtain system synchronization, and provide feedback channel information. For example, the transmitting end sends a reference signal to the receiving end, which receives the reference signal and can then perform corresponding operations based on the reference information, such as performing channel measurements and reporting measurement reports.

[0004] When the receiving end reports measurement reports, it can report multiple measurement reports, or it can carry channel state information corresponding to multiple reference signals in the same measurement report. How to report measurement reports is a technical problem that needs to be solved urgently. Summary of the Invention

[0005] This application provides a communication method and a communication device. When the receiving end reports a measurement report, it can report channel state information corresponding to multiple reference signal resources and sort the positions of the fields in the channel state information (CSI) field according to the above method. In a multi-beam scenario, reliable reporting can be achieved and information loss can be avoided by calculating the number of zero-padding bits of multiple reporting resources and / or designing the placement of zero-padding bits.

[0006] Firstly, a communication method is provided. This method can be applied to the terminal side; that is, it can be executed by a terminal device or by components of the terminal device (such as a chip, chip system, circuit, or communication module). The chip may be a modem chip, a baseband chip, or a system-on-chip (SoC) chip containing a modem core, or a system-in-package (SIP) chip. This application does not limit the scope of the method. The following description primarily uses a terminal device as an example.

[0007] The method may include: receiving a reference signal; sending a first channel state information (CSI) report, the first CSI report being obtained based on measurements of the reference signal; wherein the first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; at least one of the M reference signal resources has a CSI field corresponding to a first field, and each of the M reference signal resources has a CSI field corresponding to at least one of the following: a second field, a third field, a fourth field, a fifth field, a sixth field, a seventh field, an eighth field, and a ninth field, wherein the first field is used to indicate zero padding bits. P The second field is used to indicate the Channel State Information Reference Signal Resource Indicator (CSI-RS Resource Indicator, CRI), the third field is used to indicate the rank indicator (RI), the fourth field is used to indicate the layer indicator (LI), the fifth field is used to indicate the PMI wideband information field X1, the sixth field is used to indicate the PMI wideband information field X2, the seventh field is used to indicate the wideband channel quality indicator (CQI) for the first transport block (TB), the eighth field is used to indicate the wideband CQI for the second TB, and the ninth field is used to indicate the subband differential CQI for the first TB.

[0008] Based on the above technical solution, when the receiving end reports the measurement report, it can report the channel state information corresponding to multiple reference signal resources and sort the CSI field in the above manner. In multi-beam scenarios, by designing the position of zero-filling bits, reliable reporting can be achieved and information loss can be avoided.

[0009] After obtaining channel state information, the base station can determine scheduling information, including one or more of the following: modulation and coding scheme, resource block allocation, transmit beam, and receive beam, thereby improving the degree of beam matching with the channel and thus helping to improve communication rate and efficiency.

[0010] In conjunction with the first aspect, in some implementations of the first aspect, before receiving the reference signal, the method further includes: receiving configuration information reported by CSI.

[0011] In conjunction with the first aspect, in some implementations of the first aspect, after receiving the reference signal, the method further includes: measuring M reference signal resources.

[0012] In conjunction with the first aspect, in some implementations of the first aspect, after receiving the reference signal, the method further includes: determining M channel state information.

[0013] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to at least one of the M reference signal resources includes a first field, including: the CSI field corresponding to each of the M reference signal resources includes a first field.

[0014] In conjunction with the first aspect, in some implementations of the first aspect, the M reference signal resources include a first reference signal resource, and the first field in the CSI field corresponding to the first reference signal resource satisfies at least one of the following: the first field has a higher bit position index than the second field; or, the first field has a higher bit position index than the third field; or, the first field has a higher bit position index than the fourth field; or, the first field has a higher bit position index than the fifth field; or, the first field has a higher bit position index than the sixth field; or, the first field has a higher bit position index than the seventh field; or, the first field has a higher bit position index than the eighth field; or, the first field has a higher bit position index than the ninth field; or, at least one of the second, third, fourth, fifth, sixth, seventh, eighth, and ninth fields has a higher bit position index than the first field.

[0015] For example, since the first field indicates zero-padding bits, and the earlier the field is encoded, the lower the probability of error, based on the above technical solution, the first field can have a lower bit position index than some fields, which can achieve reliable reporting and avoid information loss.

[0016] In conjunction with the first aspect, in some implementations of the first aspect, at least two of the M reference signal resources have different bit position indices in the first field of the CSI field; or each of the M reference signal resources has the same bit position index in the first field of the CSI field.

[0017] Based on the above technical solution, the bit position index of the first field in the CSI field corresponding to different reference signal resources may be the same or different, which can realize the flexible design of the position of the first field and make the position of the first field more reasonable.

[0018] In conjunction with the first aspect, in some implementations of the first aspect, at least two reference signal resources include a second reference signal resource and a third reference signal resource, wherein the second reference signal resource is M. R Any one of the reference signal resources, the third reference signal resource is MM. R Any one of the reference signal resources; M R The priority of each reference signal resource is higher than that of MM. R The priority of each reference signal resource, where M R It is a positive integer greater than 1 and less than M.

[0019] Based on the above technical solution, by designing the position of the first field corresponding to reference signal resources with different priorities, the position of the first field can be flexibly designed, making the position of the first field more reasonable.

[0020] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to at least one of the M reference signal resources includes the first field, including: the CSI field corresponding to one or two of the M reference signal resources includes the first field.

[0021] Based on the above technical solution, by having only 1 or 2 of the M reference signal resources have a CSI field that includes the first field, the zero-filling bits corresponding to multiple reference signal resources can be grouped together, which can achieve more reasonable encoding and decoding.

[0022] In conjunction with the first aspect, in certain implementations of the first aspect, the first field in the CSI field corresponding to one or two reference signal resources satisfies at least one of the following: the first field has a higher bit position index than the second field; or, the first field has a higher bit position index than the third field; or, the first field has a higher bit position index than the fourth field; or, the first field has a higher bit position index than the fifth field; or, the first field has a higher bit position index than the sixth field; or, the first field has a higher bit position index than the seventh field; or, the first field has a higher bit position index than the eighth field; or, the first field has a higher bit position index than the ninth field; or, at least one of the second, third, fourth, fifth, sixth, seventh, eighth, and ninth fields has a higher bit position index than the first field.

[0023] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to two of the M reference signal resources includes the first field, and the two reference signal resources are M... R Any one of the reference signal resources and MM R For any one of the two reference signal resources, the first field of the CSI field corresponding to the two reference signal resources respectively indicates M R Zero-padding bits and MM corresponding to each reference signal resource R The zero-padding bits corresponding to each reference signal resource, where M R The priority of each reference signal resource is higher than that of MM. R The priority of each reference signal resource, M R It is a positive integer greater than 1 and less than M.

[0024] In conjunction with the first aspect, in some implementations of the first aspect, the CSI fields corresponding to two of the M reference signal resources include a first field, and the bit position indices of the first field in the CSI fields corresponding to the two reference signal resources are different; or, the bit position indices of the first field in the CSI fields corresponding to the two reference signal resources are the same.

[0025] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to one of the M reference signal resources includes a first field, and the first field in the CSI field corresponding to the one reference signal resource is used to indicate the zero-padding bits corresponding to the M reference signal resources.

[0026] In conjunction with the first aspect, in certain implementations of the first aspect, the CSI field corresponding to at least one of the M reference signal resources includes a first field, comprising: the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource satisfies: O p,j =N max -N reported,j , Or, O p,j =N max,j -N reported,j

[0027] Among them, O p,j N represents the number of zero-padding bits corresponding to the j-th reference signal resource, where Q is an integer greater than 0 and less than M+1; max,j This indicates the maximum load of the CSI field corresponding to CRIj, where CRIj represents the CSI corresponding to the j-th reference signal resource; N reported,j This represents the number of bits reported by the j-th reference signal resource.

[0028] In conjunction with the first aspect, in certain implementations of the first aspect, the CSI field corresponding to at least one of the M reference signal resources includes a first field, comprising: the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource satisfies:

[0029] O p,Q =N max,Q -N reported,Q ;or,

[0030] or N max,Q =∑ j∈Q N max,j ,

[0031] Wherein, the O p,Q N represents the number of zero-padding bits corresponding to Q reference signal resources out of the M reference signal resources, where Q is an integer greater than 0 and less than M+1; max,k This indicates the maximum load of the CSI field corresponding to CRIj, where CRIj represents the CSI corresponding to the j-th reference signal resource; N reported,Q This represents the number of bits reported by the Q reference signal resources.

[0032] In conjunction with the first aspect, in some implementations of the first aspect, N reported,Q Satisfy: N reported,Q =∑ j∈Q N reported,j .

[0033] In conjunction with the first aspect, in some implementations of the first aspect, Q is related to any of the following: M reference signal resources, (MM) of the M reference signal resources R ) reference signal resources, M of the M reference signal resources R One reference signal resource; M R The priority of each reference signal resource is higher than (MM). R The priority of each reference signal resource.

[0034] In conjunction with the first aspect, in some implementations of the first aspect, Q is associated with M reference signal resources, and N reported,j Satisfy: N reported,j =N RI (j)+B(R j ),

[0035] Where, N RI (j) represents the RI reported by the j-th CRI, R jThis indicates the RI reported by CRIj.

[0036] In conjunction with the first aspect, in some implementations of the first aspect, N max,j satisfy: Among them, S rank,j This represents the rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI, r j This indicates the rank reported by CRIj.

[0037] In conjunction with the first aspect, in some implementations of the first aspect, B() is a function related to at least one of PMI, CQI, or LI.

[0038] For example, B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ); or B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j N PMI (r j ), N CQI (r j ), (r j ), N PMI,i1 (r j ), N PMI,i2 (r j At least one of them is related to r j related.

[0039] In conjunction with the first aspect, in some implementations of the first aspect, K s The maximum number of bits that a CRI can carry for each reference signal resource is N. max Satisfy: N max =N max,MR +N max,M-MR

[0040] Among them, K s The reference signal resources include M reference signal resources and (MM) of the M reference signal resources. R ) reference signal resources.

[0041] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to each of the M reference signal resources, in ascending order of bit position index, includes the following fields: second field, third field, fourth field, first field, fifth field, sixth field, seventh field, and eighth field.

[0042] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource is O. p,j Satisfy: O p,j =N max -N reported,j ,

[0043] in, Q is related to K s A set of reference signal resources, N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0044] N max,j satisfy:

[0045] S rank,j This represents the allowed reporting rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI.

[0046] N reported,j satisfy:

[0047] N reported,j =N RI (j)+B(R j ),

[0048] R j This indicates the RI, B(r) reported by CRIj. j ) satisfies B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ), or, B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j ).

[0049] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource is O. p,j Satisfy: O p,j =N max -N reported,j ,

[0050] in, Q is related to K s A set of CRIs related to N reference signal resources, max,j This indicates the maximum load of the CSI field corresponding to the j-th CRI.

[0051] N max,j satisfy:

[0052]

[0053] Where, N RI (j) represents the load of the RI field of the j-th CRI, S rank,j This represents the rank r that the j-th CRI is allowed to report. j The set,

[0054] N reported,j Satisfy: N reported,j =N RI (j)+B(R j ),

[0055] Among them, R j Let B(r) represent the rank of the j-th CRI report, where B(r) satisfies B(r) = N. PMI (r)+N CQI (r)+N LI (r), or, B(r) = N PMI,i1 (r)+N PMI,i2 (r)+N CQI (r)+N LI (r).

[0056] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to each of the M reference signal resources, in ascending order of bit position index, includes: the second field, the third field, the first field, the seventh field, and the ninth field.

[0057] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource is O. p,j Satisfy: Op,j =N max -N reported,j ,

[0058] in, Q includes K s N reference signal resources max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI, and N... reported,j This indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0059] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource is O. p,j Satisfy: O p,j =N max -N reported,j ,

[0060] in, Q is related to K s A set of CRIs related to N reference signal resources, j This represents the load of the RI field of the j-th CRI, N reported,j This represents the load of the RI field of the j-th CRI.

[0061] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource is O. p,j Satisfy: O p,j =N max -N reported,j ,

[0062] in, Q is related to K s -M R A set of reference signal resources, N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI, and N... reported,j This indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0063] In conjunction with the first aspect, in some implementations of the first aspect, the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource is O. p,j Satisfy: O p,j =N max -Nreported,j ,

[0064] in, Q is related to K s -M R A set of CRIs related to N reference signal resources, j This represents the load of the RI field of the j-th CRI, N reported,j This represents the load of the RI field of the j-th CRI.

[0065] Secondly, a communication method is provided. This method can be applied to the network side; that is, it can be executed by a network device or by a component of the network device (such as a chip, chip system, or circuit). This application does not limit the scope of the method. The following description mainly uses a network device as an example.

[0066] The method may include: transmitting a reference signal; receiving a first channel state information (CSI) report, the first CSI report being obtained based on measurements of the reference signal; wherein the first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; at least one of the M reference signal resources has a CSI field corresponding to a first field, and each of the M reference signal resources has a CSI field corresponding to at least one of the following: a second field, a third field, a fourth field, a fifth field, a sixth field, a seventh field, an eighth field, and a ninth field, wherein the first field is used to indicate zero padding bits. P The second field is used to indicate the Channel State Information Reference Signal Resource Indicator (CSI-RS Resource Indicator, CRI), the third field is used to indicate the rank indicator (RI), the fourth field is used to indicate the layer indicator (LI), the fifth field is used to indicate the PMI wideband information field X1, the sixth field is used to indicate the PMI wideband information field X2, the seventh field is used to indicate the wideband channel quality indicator (CQI) for the first transport block (TB), the eighth field is used to indicate the wideband CQI for the second TB, and the ninth field is used to indicate the subband differential CQI for the first TB.

[0067] Based on the above technical solution, when the receiving end reports the measurement report, it can report the channel state information corresponding to multiple reference signal resources and determine the number of zero-filling bits in the above manner. In multi-beam scenarios, reliable reporting can be achieved by calculating the number of zero-filling bits of multiple reporting resources, thus avoiding information loss.

[0068] The specific implementation method of the second aspect can be referred to the first aspect, and will not be elaborated here.

[0069] Thirdly, a communication method is provided. This method can be applied to the terminal side; that is, it can be executed by the terminal device or by components of the terminal device (such as chips, chip systems, circuits, or communication modules). The chips include, for example, modem chips, baseband chips, or system-on-chip (SoC) chips or system-in-package (SIP) chips containing modem cores. This application does not limit the scope of the application. The following description primarily uses a terminal device as an example.

[0070] The method may include: receiving a reference signal; sending a first channel state information (CSI) report, the first CSI report being obtained based on measurements of the reference signal; wherein the first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes a first field, and the number of zero-padding bits corresponding to the j-th reference signal resource satisfies:

[0071] O p,j =N max -N reported,j , Or, O p,j =N max,j -N reported,j

[0072] Among them, O p,j N represents the number of zero-padding bits corresponding to the j-th reference signal resource, where Q is an integer greater than 0 and less than M+1; max,j This indicates the maximum load of the CSI field corresponding to CRIj, where CRIj represents the CSI corresponding to the j-th reference signal resource; N reported,j This represents the number of bits reported by the j-th reference signal resource.

[0073] In conjunction with the third aspect, in certain implementations of the third aspect, the CSI field corresponding to at least one of the M reference signal resources includes a first field, comprising: the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes the first field, and the number of zero-padding bits corresponding to the j-th reference signal resource satisfies:

[0074] O p,Q =N max,Q -N reported,Q ;or,

[0075] or N max,Q =∑ j∈Q N max,j ,

[0076] Wherein, the O p,Q N represents the number of zero-padding bits corresponding to Q reference signal resources out of the M reference signal resources, where Q is an integer greater than 0 and less than M+1; max,k This indicates the maximum load of the CSI field corresponding to CRIj, where CRIj represents the CSI corresponding to the j-th reference signal resource; N reported,Q This represents the number of bits reported by the Q reference signal resources.

[0077] In conjunction with the third aspect, in some implementations of the third aspect, N reported,Q Satisfy: N reported,Q =∑ j∈Q N reported,j .

[0078] In conjunction with the third aspect, in some implementations of the third aspect, Q is related to any of the following: M reference signal resources, (MM) of the M reference signal resources R ) reference signal resources, M of the M reference signal resources R One reference signal resource, Ks reference signal resources; M R The priority of each reference signal resource is higher than (MM). R The priority of each reference signal resource.

[0079] In conjunction with the third aspect, in some implementations of the third aspect, Q is related to M reference signal resources, and N reported,j Satisfy: N reported,j =N RI (j)+B(R j ),

[0080] Where, N RI (j) represents the RI reported by the j-th CRI, R j This indicates the RI reported by CRIj.

[0081] In conjunction with the third aspect, in some implementations of the third aspect, N max,j satisfy: Among them, S rank,j This represents the rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI, r j This indicates the rank reported by CRIj.

[0082] In conjunction with the third aspect, in some implementations of the third aspect, B() is a function related to at least one of PMI, CQI, or LI.

[0083] For example, B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ); or B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j N PMI (r j ), N CQI (r j ), (r j ), N PMI,i1 (r j ), N PMI,i2 (r j At least one of them is related to r j related.

[0084] In conjunction with the third aspect, in some implementations of the third aspect, K s The maximum number of bits that a CRI can carry for each reference signal resource is N. max Satisfy: N max =N max,MR +N max,M-MR

[0085] Among them, K s The reference signal resources include M reference signal resources and (MM) of the M reference signal resources. R ) reference signal resources.

[0086] Fourthly, a communication method is provided. This method can be applied to the network side; that is, it can be executed by a network device or by components of the network device (such as a chip, chip system, or circuit). This application does not limit the scope of the method. The following description primarily uses a network device as an example.

[0087] The method may include: transmitting a reference signal; receiving a first channel state information (CSI) report, the first CSI report being obtained based on measurements of the reference signal; wherein the first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; the CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes a first field, the first field being used to indicate zero padding bits. P The number of zero-padding bits corresponding to the j-th reference signal resource satisfies:

[0088] O p,j =N max -N reported,j ,

[0089] Among them, O p,j N represents the number of zero-padding bits corresponding to the j-th reference signal resource, where Q is an integer greater than 0 and less than M+1; max,j This indicates the maximum load of the CSI field corresponding to CRIj, where CRIj represents the CSI corresponding to the j-th reference signal resource; N reported,j This represents the number of bits reported by the j-th reference signal resource.

[0090] The specific implementation method of the fourth aspect can be referred to the third aspect, and will not be elaborated here.

[0091] Fifthly, a communication apparatus is provided for performing the method in any of the possible implementations of the first to fourth aspects described above. Specifically, the apparatus may include units and / or modules for performing the method in any of the possible implementations of the first to fourth aspects, such as processing units and / or communication units.

[0092] In one implementation, the device is a communication device (such as a terminal device or a network device). When the device is a communication device, the communication unit can be a transceiver or an input / output interface; the processing unit can be at least one processor. Optionally, the transceiver can be a transceiver circuit. Optionally, the input / output interface can be an input / output circuit.

[0093] In another implementation, the device is a chip, chip system, circuit, or communication module for communication equipment (such as terminal equipment or network equipment). When the device is a chip, chip system, or circuit for communication equipment, the communication unit may be an input / output interface, interface circuit, output circuit, input circuit, pin, or related circuit on the chip, chip system, or circuit; the processing unit may be at least one processor, processing circuit, or logic circuit.

[0094] A sixth aspect provides a communication device, comprising: at least one processor for executing a computer program or instructions to perform the methods in any of the possible implementations of the first to fourth aspects described above. Optionally, the device further comprises a memory for storing the computer program or instructions. Optionally, the device further comprises a communication interface coupled to the processor, which can be used to input the computer program or instructions to the processor or to output information from the processor.

[0095] In one implementation, the device is a communication device (such as a terminal device or a network device).

[0096] In another implementation, the device is a chip, chip system, circuit, or communication module for communication equipment (such as terminal equipment or network equipment).

[0097] In a seventh aspect, a processor is provided for performing the methods provided in the first to fourth aspects described above.

[0098] Unless otherwise specified, or if it does not contradict its actual function or internal logic in the relevant description, the transmission and acquisition / reception operations involved in the processor can be understood as processor output and reception, input and other operations, or as transmission and reception operations performed by radio frequency circuits and antennas. This application does not limit them in this regard.

[0099] Optionally, the device further includes: a memory for storing programs or instructions; correspondingly, at least one processor for executing the computer programs or instructions in the memory.

[0100] Optionally, the device also includes a communication interface. The communication interface is coupled to the processor and can be used to input information to the processor or output information from the processor.

[0101] Eighthly, a computer-readable storage medium is provided that stores a program or instructions for execution by a device, the program or instructions including a method for performing any of the possible implementations of the first to fourth aspects described above.

[0102] Ninth aspect, a computer program product containing instructions is provided, which, when run on a computer, causes the computer to perform the method in any one of the possible implementations of the first to fourth aspects described above.

[0103] In a tenth aspect, a chip is provided, the chip including a processor and a communication interface, the processor reading instructions from a memory through the communication interface and executing the method provided by any of the above-described implementations of any of the first to fourth aspects.

[0104] Optionally, the chip is a modem chip, a baseband chip, or a system-on-chip (SoC) chip or a system-in-package (SIP) chip containing a modem core.

[0105] Optionally, as one implementation, the chip also includes a memory storing computer programs or instructions, and a processor for executing the computer programs or instructions in the memory. When the computer programs or instructions are executed, the processor is used to perform the method provided by any of the above implementations of any of the first to fourth aspects.

[0106] Eleventhly, a computer program product containing instructions is provided, which, when run on a computer, causes the computer to perform the method provided by any of the above-described implementations of any of the first to fourth aspects.

[0107] In a twelfth aspect, a communication system is provided, including the aforementioned terminal equipment and network equipment.

[0108] The beneficial effects of the fifth to twelfth aspects mentioned above can be referred to the first to fourth aspects mentioned above and any possible implementation methods, which will not be elaborated here. Attached Figure Description

[0109] Figure 1 is a schematic diagram of a wireless communication system applicable to an embodiment of this application.

[0110] Figure 2 shows a schematic diagram of the communication network element structure between network devices and terminal devices in this application.

[0111] Figure 3 is another schematic diagram of a wireless communication system applicable to an embodiment of this application.

[0112] Figure 4 is a schematic diagram of a CSI measurement reporting method 400 provided in an embodiment of this application.

[0113] Figure 5 is a schematic diagram of the hybrid beamforming (HBF) architecture on the network device side.

[0114] Figure 6 is a schematic diagram of a communication method 600 provided in an embodiment of this application.

[0115] Figure 7 is a schematic diagram of a communication device 700 provided in an embodiment of this application.

[0116] Figure 8 is a schematic diagram of another communication device 800 provided in an embodiment of this application.

[0117] Figure 9 is a schematic diagram of a chip system 900 provided in an embodiment of this application. Detailed Implementation

[0118] The technical solutions in this application will now be described with reference to the accompanying drawings.

[0119] The technical solutions provided in this application can be applied to various communication systems, such as 5th generation (5G) or new radio (NR) systems, long term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, and LTE time division duplex (TDD) systems. The technical solutions provided in this application can also be applied to future communication systems, such as 6th generation (6G) mobile communication systems. The technical solutions provided in this application can also be applied to device-to-device (D2D) communication, vehicle-to-everything (V2X) communication, machine-to-machine (M2M) communication, machine-type communication (MTC), and Internet of Things (IoT) communication systems. The technical solutions provided in this application can also be applied to low-frequency scenarios, high-frequency scenarios, and terahertz frequencies.

[0120] The technical solutions provided in this application can also be applied to non-terrestrial network (NTN) systems such as inter-satellite communication and satellite communication. As an example, a satellite communication system includes a satellite base station and terminal equipment. The satellite base station provides communication services to the terminal equipment. The satellite base station can also communicate with other base stations. A satellite can act as a base station or as a terminal device. Here, "satellite" can refer to unmanned aerial vehicles (UAVs), hot air balloons, low-Earth orbit (LEO) satellites, medium-Earth orbit (MEO) satellites, high-Earth orbit (HEO) satellites, etc. "Satellite" can also refer to non-terrestrial base stations or non-terrestrial equipment, etc.

[0121] In a communication system, a device can send signals to or receive signals from another device. These signals can include information, signaling, or data. The term "device" can also be replaced by an entity, network entity, network element, communication equipment, communication module, node, communication node, etc. This disclosure uses "device" as an example. For instance, a communication system can include at least one terminal device and at least one network device. The network device can send downlink signals to the terminal device, and / or the terminal device can send uplink signals to the network device.

[0122] The terminal device in this application embodiment can be a device or module that accesses the aforementioned communication system and has corresponding communication functions. The terminal device can include various devices with wireless communication capabilities, which can be used to connect people, objects, machines, etc. The terminal device can be widely applied in various scenarios, such as: cellular communication, D2D, V2X, peer-to-peer, M2M, MTC, IoT, virtual reality (VR), augmented reality (AR), industrial control, autonomous driving, telemedicine, smart grids, smart furniture, smart offices, smart wearables, smart transportation, smart cities, drones, robots, remote sensing, passive sensing, positioning, navigation and tracking, autonomous delivery, etc. The terminal device can be a terminal in any of the above scenarios, such as an MTC terminal, an IoT terminal, etc. Terminal equipment can be user equipment (UE), terminal, fixed equipment, mobile station equipment or mobile equipment, subscriber unit, handheld device, vehicle-mounted equipment, wearable device, cellular phone, smartphone, session initiation protocol (SIP) phone, wireless data card, personal digital assistant (PDA), computer, tablet computer, laptop computer, wireless modem, handset, laptop computer, computer with wireless transceiver capability, smart book, vehicle, satellite, global positioning system (GPS) device, target tracking device, aircraft (e.g., drone, helicopter, multiple helicopters, four helicopters, or airplanes), ship, remote control device, smart home device, industrial equipment, transportation vehicle with wireless communication capability, communication module, or roadside unit with terminal function, all conforming to the 3rd generation partnership project (3GPP) standard. The terminal device (RSU) can be a unit or a device built into the aforementioned equipment (e.g., a communication module, modem, or chip in the aforementioned equipment), or other processing devices connected to a wireless modem. For ease of description, the terminal device will be described below as a terminal or UE.

[0123] It should be understood that in certain scenarios, a UE can also be used as a base station. For example, a UE can act as a scheduling entity, providing sidelink signaling between UEs in scenarios such as V2X, D2D, or end-to-end.

[0124] In this embodiment, the device for implementing the functions of a terminal device, i.e., the terminal device, can be the terminal device itself, or it can be any device capable of supporting the terminal device in implementing the functions, such as a chip system, chip, circuit, or communication module (i.e., a communication module that performs communication functions). This device can be installed in the terminal device. In this embodiment, the chip system can be composed of chips, or it can include chips and other discrete devices. Furthermore, the device can also be configured with program instructions for performing corresponding communication functions.

[0125] The network device in this application embodiment can be a device or module with corresponding communication functions. The network device can be a device used to communicate with terminal devices; it can also be called an access network device or a wireless access network device, such as a base station. In this application embodiment, the network device can refer to a radio access network (RAN) node (or device) that connects the terminal device to the wireless network. A base station can broadly encompass, or be replaced by, various names including: NodeB, evolved NodeB (eNB), next-generation NodeB (gNB), relay station, access point, transmit / receive point (TRP), transmitter, master station, auxiliary station, motor slide retainer (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. A base station can be a macro base station, micro base station, relay node, donor node, or a combination thereof. A base station can also refer to a communication module, modem, or chip installed within the aforementioned equipment or apparatus. Base stations can also be mobile switching centers, devices that perform base station functions in D2D, V2X, and M2M communications, network-side devices in 6G networks, and devices that perform base station functions in future communication systems. Base stations can support networks with the same or different access technologies. The embodiments of this application do not limit the specific technologies or device forms used in the network equipment.

[0126] Base stations can be fixed or mobile. For example, a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move depending on the location of the mobile base station. In other examples, a helicopter or drone can be configured as a device to communicate with another base station.

[0127] In some deployments, the network devices mentioned in the embodiments of this application may be devices including CU, DU, or CU and DU, or devices with control plane CU nodes (central unit-control plane (CU-CP)) and user plane CU nodes (central unit-user plane (CU-UP)) and DU nodes. For example, the network devices may include gNB-CU-CP, gNB-CU-UP, and gNB-DU.

[0128] In some deployments, multiple RAN nodes collaborate to assist terminals in achieving wireless access, with different RAN nodes each implementing some of the base station's functions. For example, RAN nodes can be CUs, DUs, CU-CPs, CU-UPs, or radio units (RUs). CUs and DUs can be set up separately or included in the same network element, such as a BBU. RUs can be included in radio equipment or radio units, such as RRUs, AAUs, or RRHs.

[0129] In some deployments, the CU (Core Unit) is a logical node that carries the Radio Resource Control (RRC) layer, Service Data Adaptation Protocol (SDAP) layer, Packet Data Convergence Protocol (PDCP) layer, and other control functions of the access network equipment. The CU connects to network nodes such as the core network through interfaces, which may be E2 interfaces, etc. Optionally, the CU possesses some core network functions. The CU (e.g., the PDCP layer and higher layers) connects to the DU (e.g., the Radio Link Control (RLC) layer and lower layers) through interfaces, which may be F1 interfaces, etc. In some examples, these interfaces (e.g., the F1 interface) can provide control plane (C-Plane) and user plane (U-Plane) functions (e.g., interface management, system information management, UE context management, RRC message transmission, etc.). The F1 application protocol (F1AP) is the application protocol for the F1 interface, and in some examples, it defines the F1 signaling procedures. The F1 interface supports the control plane (F1 control plane, F1-C) and the user plane (F1 user plane, F1-U).

[0130] In some deployments, the CU can be split into CU-CP and CU-UP. CU-CP is a logical node carrying the RRC layer and the control plane part of PDCP (PDCP-C) layer, used to implement the CU's control plane functions. CU-CP can interact with network elements in the core network used to implement control plane functions. These network elements in the core network can be access and mobility function network elements. CU-UP is a logical node carrying the SDAP layer and the user plane part of PDCP (PDCP-U) layer, used to implement the CU's user plane functions. CU-UP can interact with network elements in the core network used to implement user plane functions. The above CU and DU configurations are merely examples; the functions of CU and DU can be configured as needed. For example, CU or DU can be configured to have more protocol layer functions, or CU or DU can be configured to have only partial protocol layer processing functions. For example, some functions of the RLC layer and the functions of the protocol layer above the RLC layer can be placed in the CU, while the remaining functions of the RLC layer and the functions of the protocol layer below the RLC layer can be placed in the DU. Another example is that the functions of the CU or DU can be divided according to service type or other system requirements. For instance, based on latency, functions that need to meet low latency requirements can be placed in the DU, while functions that do not need to meet such latency requirements can be placed in the CU.

[0131] In some deployments, the DU (Distributed Unit) is a logical node that carries the RLC (Real-Time Control) layer, the medium access control (MAC) layer, the higher physical layer (Higher PHY) layer, and other functions. In some examples, the DU can control at least one RU (Remote Root). The DU connects to the RU through interfaces, which can be fronthaul interfaces. In some examples, the Higher PHY layer includes the PHY layer processing, such as forward error correction (FEC) encoding and decoding, scrambling, modulation, and demodulation.

[0132] In some deployments, the RU is a logical node that carries both lower physical layer (PHY) and radio frequency (RF) processing. In some examples, the RU can be a TRP, RRH, or other similar entity. In some examples, the Low-PHY includes portions of the PHY processing, such as Fast Fourier Transform (FFT), Inverse Fast Fourier Transform (IFFT), digital beamforming, and filtering. The RU communicates with one or more UEs via a radio link.

[0133] The DU and RU can be co-located or not. The DU and RU exchange control plane and user plane information via a fronthaul link through a lower-layer split-control, user, and synchronization (LLS-CUS) interface. LLS-CUS may include interfaces providing control and user planes respectively. In some examples, the control plane refers to real-time control between the DU and RU. The DU and RU exchange management information via a fronthaul link interface (such as an LLS-M interface), and the management plane (M-Plane) refers to non-real-time management operations between the DU and RU.

[0134] DU and RU can cooperate to implement the functions of the PHY layer. A DU can be connected to one or more RUs. The functions of DU and RU can be configured in various ways depending on the design. For example, a DU can be configured to implement baseband functions, and an RU can be configured to implement mid-RF functions. Another example is that a DU can be configured to implement higher-level functions in the PHY layer, and an RU can be configured to implement lower-level functions in the PHY layer, or to implement both lower-level and RF functions. Higher-level functions in the physical layer can include a portion of the physical layer's functions that are closer to the MAC layer, while lower-level functions in the physical layer can include another portion of the physical layer's functions that are closer to the mid-RF side.

[0135] In one possible design, the processing unit in the BBU used to implement baseband functions is called the baseband high (BBH) unit, and the processing unit in the RRU / AAU / RRH used to implement baseband functions is called the baseband low (BBL) unit.

[0136] In different systems, CU (or CU-CP and CU-UP), DU, or RU may have different names, but those skilled in the art will understand their meaning. For example, a radio access network can also be an open radio access network (O-RAN) architecture. In an O-RAN system, CU can also be called an open CU (open CU, O-CU), DU can also be called an open DU (open DU, O-DU), CU-CP can also be called an open CU-CP (O-CU-CP), CU-UP can also be called an open CU-UP (O-CU-UP), and RU can also be called an open RU (open RU, O-RU). Any of the units among CU (or CU-CP, CU-UP), DU, and RU in this application can be implemented through software modules, hardware modules, or a combination of software modules and hardware modules.

[0137] In this embodiment, the device for implementing the functions of a network device can be a network device itself, or a device capable of supporting the network device in implementing those functions, such as a chip system, chip, circuit, or communication module (i.e., a communication module that performs communication functions). This device can be installed within the network device. In this embodiment, the chip system can be composed of chips, or it can include chips and other discrete devices. Furthermore, the device can be configured with program instructions for performing corresponding communication functions. This embodiment only uses a network device as an example to illustrate the device for implementing the functions of a network device, and does not limit the solution of this embodiment.

[0138] Network devices and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; and they can also be deployed in the air on airplanes, balloons, and satellites. This application does not limit the scenario in which the network devices and terminal devices are located. Furthermore, terminal devices and network devices can be hardware devices, software functions running on dedicated hardware, or software functions running on general-purpose hardware, such as virtualization functions instantiated on a platform (e.g., a cloud platform), or entities that include dedicated or general-purpose hardware devices and software functions. This application does not limit the specific form of the terminal devices and network devices.

[0139] First, a brief introduction to the communication system applicable to the embodiments of this application is given below.

[0140] Referring to Figure 1, Figure 1 is a schematic diagram of a wireless communication system applicable to an embodiment of this application.

[0141] As shown in Figure 1, the wireless communication system includes a wireless access network 100. The wireless access network 100 can be a next-generation (e.g., 6G or higher) wireless access network or a traditional (e.g., 5G, 4G, 3G, or 2G) wireless access network. One or more terminal devices (120a-120j, collectively referred to as 12) can be interconnected or connected to one or more network devices (110a, 110b, collectively referred to as 110) within the wireless access network 100. Network elements in the wireless communication system are connected via interfaces (e.g., next-generation interface (NG), Xn) or air interfaces.

[0142] Figure 1 is just a schematic diagram. The wireless communication system may also include other devices, such as core network (CN) devices, wireless relay devices and / or wireless backhaul devices, which are not shown in Figure 1.

[0143] Figure 2 illustrates a schematic diagram of the communication network element structure between the network device and the terminal device in this application. As shown in Figure 2(a), the terminal device 10 includes a processor 101, a memory 102, and a transceiver 103. The transceiver 103 includes a transmitter 1031, a receiver 1032, and an antenna 1033. As shown in Figure 2(b), the network device 20 includes a processor 201, a memory 202, and a transceiver 203. The transceiver 203 includes a transmitter 2031, a receiver 2032, and an antenna 2033. The receiver 1032 can be used to receive transmission control information through the antenna 1033, and the transmitter 1031 can be used to send transmission feedback information to the network device 20 through the antenna 1033. The transmitter 2031 can be used to send transmission control information to the terminal device 10 through the antenna 2033, and the receiver 2032 can be used to receive the transmission feedback information sent by the terminal device 10 through the antenna 2033.

[0144] The communication network element structure shown in Figure 2 is applicable to communication between network devices and terminal devices in the network system of Figure 1 above.

[0145] Referring to Figure 3, which is another schematic diagram of a wireless communication system applicable to embodiments of this application.

[0146] As shown in Figure 3, this wireless communication system may include core network equipment, access network equipment (such as RAN), and terminal equipment. Access network equipment communicates with the core network equipment via a backhaul link and with the terminal equipment via an air interface. For example, the BBU in the access network equipment communicates with the core network via a backhaul link, and the RU in the access network equipment communicates with the terminal equipment via an air interface. The BBU can communicate with the RU via a fronthaul link. The BBU and RU may or may not be co-located. In some deployments, the BBU includes at least one CU and at least one DU, and the CU and DU communicate with each other via a midhaul link.

[0147] Figure 3 is just a schematic diagram. The wireless communication system may also include other devices, which are not shown in Figure 3.

[0148] To facilitate a better understanding of the technical solution of this application, some related technologies involved in the technical solution of this application are introduced.

[0149] 1. Beam: A communication resource. Different beams can be considered different resources. The same information or different information can be transmitted through different beams.

[0150] In the NR protocol, beams can be represented as spatial domain filters, or spatial filters or spatial parameters. The beam used to transmit signals can be called the transmission beam (Tx beam), and the beam used to receive signals can be called the reception beam (Rx beam).

[0151] The transmit beam can refer to the distribution of signal strength in different directions in space after a signal is transmitted through an antenna, while the receive beam can refer to the distribution of signal strength in different directions in space of a wireless signal received from an antenna.

[0152] Furthermore, the beam can be a wide beam, a narrow beam, or other types of beam. The beamforming technology can be beamforming technology or other technologies. Specifically, beamforming technology can be digital beamforming technology, analog beamforming technology, or hybrid digital / analog beamforming technology, etc.

[0153] Different beams can be considered as different resources. The same or different information can be transmitted through different beams. Optionally, multiple beams with the same or similar communication characteristics can be considered as a single beam.

[0154] A beam can correspond to one or more antenna ports, used for transmitting data channels, control channels, and detection signals. The one or more antenna ports corresponding to a beam can also be regarded as a set of antenna ports.

[0155] An antenna port is a logical concept; there is no direct correspondence between an antenna port and a physical antenna. An antenna port is typically associated with a reference signal, and its meaning can be understood as a transmit / receive interface on the channel through which the reference signal passes. For low frequencies, an antenna port may correspond to one or more antenna elements that jointly transmit the reference signal; the receiver can treat them as a whole without distinguishing between individual elements. For high-frequency systems, an antenna port may correspond to a beam; similarly, the receiver only needs to treat this beam as an interface and does not need to distinguish between individual elements.

[0156] A port group is a collection of multiple antenna ports. One approach is to group multiple digital ports of a base station to form multiple port groups. Another approach (especially in hybrid digital-analog beamforming architectures) is that a port group can be multiple digital ports corresponding to the same analog beam, also simply called a port group or digital-analog port group. Alternatively, a port group can be a collection of digital ports corresponding to multiple analog beams, also simply called a port group or digital-analog port group. Or, multiple digital ports of the same analog beam can be divided into multiple subsets, each subset being called a port group or digital-analog port group.

[0157] In this application, "beam" can be replaced by spatial filter, spatial filter, spatial parameter, spatial parameter, spatial setting, spatial setting, quasi-co-location (QCL) information, QCL assumption, QCL indication, transmission configuration indicator (TCI) state (TCI-state or TCI state), spatial relationship, etc. The above terms are also equivalent to each other. "Beam" can also be replaced with other beam-related terms, which are not limited in this application.

[0158] 2. Reference signal (RS): Also known as pilot, reference sequence, reference signal, etc. For consistency, it will be described as reference signal below. Reference signals can be used for measurements, such as channel measurement or channel estimation.

[0159] The channel measurements involved in this application also include beam measurements, i.e., obtaining beam quality information by measuring a reference signal. As an example, parameters used to measure beam quality include at least one of the following: reference signal received power (RSRP), reference signal received quality (RSRQ), signal-to-noise ratio (SNR), and signal-to-interference plus noise ratio (SINR) (or simply signal-to-dryness ratio). In the embodiments of this application, for ease of explanation, unless otherwise specified, the channel measurements involved can be regarded as beam measurements.

[0160] The reference signals mentioned in this application, as examples, may include any of the following: channel state information reference signal (CSI-RS), synchronization signal block (SSB), sounding reference signal (SRS), user equipment specific reference signal (US-RS), demodulation reference signal (DMRS), phase-track reference signal (PT-RS), cell reference signal (CRS), etc. It should be understood that the reference signals listed above are merely examples and should not constitute any limitation on this application. This application does not preclude the possibility of defining other reference signals in future protocols to achieve the same or similar functions.

[0161] SRS (Uplink Channel Sounding) is transmitted by the terminal and received by the base station. The transmission method of SRS, including time-frequency resources, transmission beam, and transmission power, is configured by the base station for the terminal. In the 3GPP Release 15 protocol framework, the base station can configure one or more SRS resource sets for the terminal, and each SRS resource set contains one or more SRS resources. Furthermore, in 3GPP Release 15, different SRS resource sets perform different functions; Release 15 supports four functions in total:

[0162] {beamManagement, codebook, nonCodebook, antennaSwitching}, or {beam management, codebook, nonCodebook, antenna switching}, is used by the base station to inform the terminal of the function of each SRS resource set through RRC configuration of the usage of each set. It can also be abbreviated as {BM, CB, NCB, AS}. When used for antennaSwitching, it is generally used to obtain complete uplink channel information. If the channel has uplink / downlink consistency, the downlink transmission channel (or downlink transmission precoding) can be obtained through uplink channel measurement.

[0163] 3. Reference Signal Resources: These can be used to configure the transmission attributes of reference signals, such as time-frequency resource location, port mapping relationships, power factors, and scrambling codes. Transmitting devices can transmit reference signals based on these resources, and receiving devices can receive reference signals based on these resources.

[0164] To distinguish different reference signal resources, at least one reference signal resource may correspond to a reference signal resource identifier, such as a CSI-RS resource indicator (CRI), an SSB resource indicator (SSBRI), or an SRS resource indicator (SRI).

[0165] In the embodiments of this application, the terms "reference signal quality" and "reference signal resource quality" are sometimes used interchangeably, and those skilled in the art should understand their meaning. Reference signal resource quality can be understood as the quality of the reference signal received based on the reference signal resource, or the signal quality received and measured based on the reference signal resource.

[0166] 4. Channel information: This refers to information that reflects the characteristics and quality of the channel.

[0167] As an example, channel information includes at least one of the following: channel state information (CSI), channel time-varying information, or channel frequency offset information. The following explanation primarily uses CSI as an example of channel information; however, it is understood that any information reflecting channel characteristics and channel quality is applicable to the embodiments of this application.

[0168] Taking the method of obtaining downlink CSI through uplink feedback from terminal devices on the network side as an example, specifically, the network side sends downlink reference signals to the terminal devices, and the terminal devices receive the downlink reference signals. Since the terminal devices know the transmission information of the downlink reference signals, they can estimate (or measure) the downlink channel that the downlink reference signals have passed through based on the received downlink reference signals. Then, based on the measurement, the terminal devices can obtain the downlink channel matrix, generate CSI, and feed the CSI back to the network side.

[0169] As an example, CSI includes at least one of the following: channel quality indicator (CQI), precoding matrix indicator (PMI), rank indicator (RI), CSI-RS resource indicator (CRI), layer indicator (LI), reference signal received power (RSRP), or signal to interference plus noise ratio (SINR). The signal to interference plus noise ratio can also be called the signal-to-interference-plus-noise ratio (SINR).

[0170] 5. Reference signal configuration: Reference signal configuration may include two parts: reference signal resource configuration and reference signal reporting configuration.

[0171] The following section uses the Channel State Information-Reference Signal (CSI-RS) configuration as an example to illustrate this.

[0172] The two most important parts of the CSI-RS configuration are "CSI-ReportConfig" and "CSI-ResourceConfig". It is understood that "CSI-ReportConfig" and "CSI-ResourceConfig" are names used for ease of description only, and other names may be used; this application does not impose any restrictions on this.

[0173] The "CSI-ReportConfig" configuration allows you to set parameters related to CSI reporting, such as "Report Configuration Id," "Report Configuration Type," and "Report Quantity." "ReportConfigId" identifies a "CSI-ReportConfig," meaning one "ReportConfigId" corresponds to one "CSI-ReportConfig." "ReportConfigType" configures the reporting type, which can be periodic, semi-continuous, or aperiodic. "ReportQuantity" configures the reported information, including CRI, PMI, RI, LI, CQI, RSRP, RSRQ, SNR, and SINR. Different configurations allow you to report different information.

[0174] "CSI-ResourceConfig" can be used to configure information related to CSI-RS resources, such as the "CSI Resource Configuration Identifier (CSI-ResourceConfigId)" and the CSI-RS resources used for measurement. "CSI-ResourceConfigId" is the identifier for the "CSI Resource Configuration (CSI-ResourceConfig)," used to identify that "CSI-ResourceConfig," and this variable can be associated with "CSI-ReportConfig."

[0175] For example, through the three-level high-level parameters “CSI-ResourceConfig”-“CSI-RS Resource Set (CSI-RS-ResourceSet)”-“CSI-RS-Resource”, the network device can configure one or more CSI-RS resource sets for each terminal device, and each CSI-RS resource set includes one or more CSI-RS resources.

[0176] At least one CSI-RS resource can be identified by a "CSI-RS Resource Id". The identifiers (identity / document identity / identifier, ID) of CSI-RS resources in a CSI-RS resource set are not necessarily sequential. For example, the identifiers (e.g., CSI-RS-ResourceId) of resources in a CSI-RS resource set, ordered by beam index, include {2 (bit value = 010), 4 (bit value = 100), 8 (bit value = 111), 3 (bit value = 011), 5 (bit value = 101)}. CSI-RS-ResourceId = 2 corresponds to resource index 0, CSI-RS-ResourceId = 4 corresponds to resource index 1, CSI-RS-ResourceId = 8 corresponds to resource index 2, CSI-RS-ResourceId = 3 corresponds to resource index 3, and CSI-RS-ResourceId = 5 corresponds to resource index 4. The resource index is used to indicate the transmission order of CSI-RS resources. It should be understood that the resource index is merely an exemplary naming convention.

[0177] When the terminal device reports measurements based on the above configuration, the CRI in the CSI is used to indicate the resources in the current measurement CSI-RS resource set. If the CSI-RS resource set has Ks > 1 CSI-RS resources configured, CRI k (k is greater than or equal to 0) corresponds to the (k+1)th CSI-RS resource in the CSI-RS resource set for channel measurements, where k can be the value of CRI, or k can be the index of the resource indicated by CRI.

[0178] The table below is an example of the format of some fields in a measurement report.

[0179] As shown in Table 1, the CRI field carries the CRI, which indicates the CSI-RS resource to be reported, and its length is [length missing]. This indicates the number of CSI-RS resources in resource set s. This indicates rounding up. The SSBRI field carries the SSBRI, which indicates the SSB resource to be reported (such as the resource identifier), and its length is [length missing]. This indicates the number of SSB resources in resource set s. Terminal devices can report one or more of the following: CRI or SSBRI.

[0180] RSRP can be reported differentially. For the maximum value of RSRP, its absolute value can be reported using 7-bit quantization, as shown in the RSRP field in the table. The RSRP indicated by this field corresponds to the reference signal resource corresponding to the reference signal with the highest received power. Other RSRPs can be reported using 4-bit quantization, as shown in the differential RSRP field in the table.

[0181] The above text uses reported quantities such as PMI, CRI, SSBRI, and RSRP as examples to provide a simple explanation of the measurement results, but this should not constitute any limitation on this application. This application does not limit the specific content of the measurement results or their indication methods.

[0182] According to the LTE / NR protocol, at the physical layer, uplink communication includes the transmission of uplink physical channels and uplink signals. Uplink physical channels include the Physical Random Access Channel (PRACH), the Physical Uplink Control Channel (PUCCH), and uplink data channels (such as the Physical Uplink Shared Channel (PUSCH)). Uplink signals include the Channel Sounding Signal (SRS), the Physical Uplink Control Channel Demodulation Reference Signal (PUCCH-DMRS), the Physical Uplink Shared Channel Demodulation Reference Signal (PUSCH-DMRS), the Uplink Phase Tracking Reference Signal (PTRS), and the Uplink Positioning Reference Signal (RS), etc. Downlink communication includes the transmission of downlink physical channels and downlink signals. The downlink physical channels include the physical broadcast channel (PBCH), the physical downlink control channel (PDCCH), and downlink data channels (such as the physical downlink shared channel, PDSCH). Downlink signals include the primary synchronization signal (PSS) / secondary synchronization signal (SSS), the physical downlink control channel demodulation reference signal PDCCH-DMRS, the physical downlink shared channel demodulation reference signal PDSCH-DMRS, the phase tracking signal PTRS, the channel state information reference signal (CSI-RS), the cell reference signal (CRS), the time / frequency tracking reference signal (TRS), and the positioning reference signal (RS).

[0183] In this embodiment of the application, CSI can be carried in uplink control information (UCI) and transmitted via PUCCH or PUSCH.

[0184] 6. Precoding and codebook:

[0185] To transmit data to the terminal, the base station needs to perform precoding on the digital port and select appropriate coding and modulation orders. The purpose of precoding is to better match the antenna (or beam) with the channel, ensuring better signal quality and less interference when the transmitted data reaches the terminal. A good modulation order and code rate maximize channel transmission capacity while ensuring reliable data transmission. The precoding and modulation and coding scheme (MCS) settings need to be determined based on channel quality and channel response. A common method is for the base station to transmit a reference signal, the terminal to determine the channel based on the reference signal, and then feed back the corresponding channel state information, including precoding information, the number of transport streams supported by the channel (Rank indicator, RI, i.e., the channel rank), and the channel quality indicator (CQI, used to provide feedback on the terminal's recommended MCS under the current channel quality). This process is called channel state information feedback (CSI feedback). Another method is to measure and obtain uplink channel information using an uplink reference signal, and then further obtain downlink channel information based on channel reciprocity.

[0186] Multiple Input Multiple Output (MIMO) technology can increase system capacity and improve throughput. The mathematical expression is y = Hx + n, where y is the received signal, H is the MIMO channel, x is the transmitted signal, and n is noise. In communication systems with multiple antennas, signals from multiple transmit antennas can be superimposed on any one receive antenna. Therefore, the method of transmitting signals at the transmitter affects system performance, and recovering the transmitted signal at the receiver is often complex. In this context, precoding is used to reduce system overhead and maximize the system capacity of MIMO, while also reducing the complexity of eliminating inter-channel interference at the receiver. In this case, the mathematical expression is y = HPx + n, where P is the precoding matrix (or vector). To simplify implementation complexity, P can be selected from a predefined set of matrices (or vectors), called the codebook; this method is also known as a codebook-based transmission method. If the transmitter has all the information in H, P can be obtained at the transmitter itself; this method is also known as a non-codebook (NCB) transmission method.

[0187] Referring to Figure 4, which is a schematic diagram of a CSI measurement reporting method 400 provided in an embodiment of this application, the method 400 shown in Figure 4 may include the following steps.

[0188] 410. The network device sends CSI configuration information to the terminal device. Correspondingly, the terminal device receives the CSI configuration information.

[0189] The CSI reporting configuration information is used to configure the measurement information that the terminal device needs to report, as well as the pilot resources required by the terminal device during measurement.

[0190] Step 410 is optional. If the configuration information reported by CSI is pre-configured, step 410 can be skipped before step 420.

[0191] One possible implementation is that the network device can send at least one CSI reporting configuration information to the terminal device through one or more of RRC signaling, MAC-CE signaling, and downlink control information (DCI) signaling.

[0192] Specifically, the CSI reporting configuration information includes CSI reporting configuration (CSI-ReportConfig) and CSI resource configuration (CSI-ResourceConfig).

[0193] The CSI reporting configuration (CSI-ReportConfig) and CSI resource configuration (CSI-ResourceConfig) are described above and will not be repeated here. As an example, the CSI reporting configuration information includes at least one CSI reporting configuration (CSI-ReportConfig). At least one CSI reporting configuration is associated with one or more pilot resource sets (csi-rs-resourceSet). A pilot resource set contains one or more pilot resources, which can be used for channel measurement or interference measurement. At least one pilot resource contains one or more pilot ports.

[0194] As an example, pilot resources can be non-zero power channel state information-reference signal resources (NZP CSI-RS resources), zero power channel state information-reference signal resources (ZP CSI-RS resources), channel state information-interference measurement resources (CSI-IM resources), or synchronization signal block resources (SSB resources). This application does not limit these resources.

[0195] One possible implementation is that the CSI reporting configuration (CSI-ReportConfig) is associated with a set of pilot resources (CSI-ResourceConfigId) for channel measurement. This set of pilot resources contains Ks pilot resources (Ks>=1), which are divided into a first type and a second type. The first type of pilot resources contains M... R One type of pilot resource, the second type of pilot resource includes Ks-M R Pilot resources.

[0196] As an example, the first type of pilot resource can be a high-priority pilot resource, and the second type of pilot resource can be a regular pilot resource, which can be understood as a pilot resource with a lower priority than the first type of pilot resource. In other words, the first type of pilot resource has a higher priority than the second type of pilot resource.

[0197] As an example, the first type of pilot resource refers to the pilot resources indicated by the network device that require the reporting of channel state information. The second type of pilot resource refers to the pilot resources from which the terminal device selects some or all of the pilot resources to report channel state information.

[0198] The following describes in detail how to indicate Type I and Type II pilot resources in the CSI Report Configuration (CSI-ReportConfig). This includes at least one of the following methods:

[0199] Method 1: Define a new field in the parameter list of CSI Report Configuration (CSI-ReportConfig) to display the indication MR One Class I pilot resource.

[0200] As an example, the field is "highPriorityCRI", as shown below:

[0201] Method 2: Define a new field in the parameter list of the CSI Reporting Configuration (CSI-ReportConfig), and associate this CSI Reporting Configuration (CSI-ReportConfig) with another CSI Reporting Configuration (associatedCSI-ReportConfig), establishing multiple associations between CSI Reporting Configurations (CSI-ReportConfig). By default, the field defined in this CSI Reporting Configuration (CSI-ReportConfig) is used to indicate M. R For a Class 1 pilot resource, all parameter configurations except for pilot resource priority information can reuse the specific configuration of the associated CSI reporting configuration (associatedCSI-ReportConfig).

[0202] As an example, this field is "highPriorityCRI". By default, the associated CSI-ReportConfig contains multiple pilot resources for channel measurements that are all of type 2. See below:

[0203] Method 3: Define a new field in the parameter list of the non-zero power CSI-RS resource set (NZP-CSI-RS-ResourceSet) associated with the CSI reporting configuration (CSI-ReportConfig) to display the indication M. R One Class I pilot resource.

[0204] As an example, the field is "highPriorityCRI", as shown below:

[0205] Method 4: Define a new field in the parameter list of CSI Report Configuration (CSI-ReportConfig) to indicate the number of Category I reference signal resources and which specific reference signal resources are Category I reference signal resources.

[0206] As an example, the field is "M" R “” is used to indicate the number of Type I reference signal resources, as shown below:

[0207] Method 5: Define a new field in the parameter list of the non-zero power CSI-RS resource set (NZP-CSI-RS-ResourceSet) associated with the CSI reporting configuration (CSI-ReportConfig) to indicate the number of first-class pilot resources and which specific pilot resources are first-class pilot resources.

[0208] As an example, the field is "M" R ", as shown below:

[0209] Method 6: Define a new field in the parameter list of non-zero power CSI-RS resources included in the non-zero power CSI-RS resource set (NZP-CSI-RS-ResourceSet) associated with the CSI Report Configuration (CSI-ReportConfig) to indicate whether the non-zero power CSI-RS resource is a Type I pilot resource.

[0210] As an example, the field is "highPriorityCRIFlag", as shown below:

[0211] Method 7: Indicate the CSI reporting configuration and the first type of pilot resource associated with the CSI reporting configuration through fields in the DCI signaling.

[0212] As an example, this field is the "CSI request" field in DCI signaling. Assume the "CSI request" field occupies N bits, where N1 bits are used to indicate the CSI reporting configuration identifier, and N2 bits are used to indicate the M associated with the CSI reporting configuration. R High-priority pilot resources, and N1+N2=N.

[0213] The following example illustrates the specific definitions of the above fields. Assume that the non-zero power CSI-RS resource set (NZP-CSI-RS-ResourceSet) associated with the CSI reporting configuration (CSI-ReportConfig) for channel measurement contains 4 (Ks=4) non-zero power CSI-RS resources, which are {NZP-CSI-RS-ResourceId=n1, NZP-CSI-RS-ResourceId=n2, NZP-CSI-RS-ResourceId=n3, NZP-CSI-RS-ResourceId=n4}.

[0214] For example, the specific definition rules for the N2 bits of the above field "highPriorityCRI" or the DCI signaling field "CSI request" are as follows:

[0215] Rule 1: Display the indicator M in bitmap format. R For each type of pilot resource, one bit corresponds to one pilot resource. A bit value of 0 indicates that the pilot resource is a type 2 pilot resource, and a bit value of 1 indicates that the pilot resource is a type 1 pilot resource. Rule 1 can include the following two rules ① and rule ②:

[0216] Rule ①: High-order bits correspond to pilot resources with smaller CRI.

[0217] For example, 0101 indicates that the pilot resources with non-zero power channel state information-reference signal resource identifier (NZP-CSI-RS-ResourceId) = n2 and NZP-CSI-RS-ResourceId = n4 are the first type of pilot resources, and the pilot resources with NZP-CSI-RS-ResourceId = n1 and NZP-CSI-RS-ResourceId = n3 are the second type of pilot resources.

[0218] Rule 2: Higher bits correspond to pilot resources with larger CRI.

[0219] For example, 0101 indicates that the pilot resources NZP-CSI-RS-ResourceId=n1 and NZP-CSI-RS-ResourceId=n3 are high-priority pilot resources, while the pilot resources NZP-CSI-RS-ResourceId=n2 and NZP-CSI-RS-ResourceId=n4 are ordinary pilot resources.

[0220] Rule 2: Multiple CRI values ​​are indicated in the form of multiple fields, and the number of bits corresponding to one CRI value is equal to log2(K). S One CRI value corresponds to one pilot resource; the total number of bits occupied by this field = M R *log2(K S The M R The specific value can be pre-agreed upon by the protocol, or indicated to the terminal device by the network device using one of the methods described in Method 3 or Method 4 above.

[0221] Rule 3: Multiple pilot resource combinations are indicated by a single field, with each value corresponding to a specific M. R The combination of pilot resources; the number of bits occupied by this field and M R The values ​​of and Ks are both related.

[0222] For example, the field occupies Assume M R When Ks = 1 and Ks = 4, this field occupies [amount / unit]. By default, pilot resources are sorted in ascending order by Pilot Resource Index (CRI). "00" indicates that the first pilot resource is a Class I pilot resource, and the others are Class II pilot resources; "01" indicates that the second pilot resource is a Class I pilot resource, and the others are Class II pilot resources; and so on. The M... R The specific value can be agreed upon in the protocol, or it can be indicated to the terminal device by the network device using one of the methods three or four mentioned above.

[0223] For example, the new field "M" mentioned above R The specific definition rules for "" are as follows:

[0224] Rule 4: Sort by Pilot Resource Index (CRI) from smallest to largest, with M at the top. R One pilot resource is a Class I pilot resource; the others are Ks-M. R The pilot resources are classified as Class II pilot resources.

[0225] As an example, M R =0 indicates that all pilot resources are type II pilot resources.

[0226] As an example, M R =1 indicates that the Ks pilot resources associated with the CSI reporting configuration (CSI-ReportConfig) include 1 first-class pilot resource and Ks-1 second-class pilot resources; among them, the pilot resource with NZP-CSI-RS-ResourceId=n1 in the pilot resource list is the first-class pilot resource, and the other pilot resources are the second-class pilot resources.

[0227] As an example, M R =2 indicates that the Ks pilot resources associated with the CSI reporting configuration (CSI-ReportConfig) include 2 Class I pilot resources and Ks-2 Class II pilot resources; among them, the pilot resources with NZP-CSI-RS-ResourceId=n1 and NZP-CSI-RS-ResourceId=n2 in the pilot resource list are Class I pilot resources, and the other pilot resources are Class II pilot resources; and so on.

[0228] Rule 5: Sort the pilot resource identifiers (NZP-CSI-RS-ResourceId) from smallest to largest, with the first M listed first. R One pilot resource is a Class I pilot resource; the others are Ks-M. R The pilot resources are of type II. Assume that the pilot resource identifier values ​​are n2>n4>n1>n3.

[0229] As an example, M R =0 indicates that all pilot resources are type II pilot resources.

[0230] As an example, M R =1 indicates that the Ks pilot resources associated with the CSI reporting configuration (CSI-ReportConfig) include 1 first-class pilot resource and Ks-1 second-class pilot resources; among them, the pilot resource with NZP-CSI-RS-ResourceId=n3 in the pilot resource list is a first-class pilot resource, and the other pilot resources are second-class pilot resources.

[0231] As an example, M R =2 indicates that the Ks pilot resources associated with the CSI reporting configuration (CSI-ReportConfig) include 2 Class I pilot resources and Ks-2 Class II pilot resources; among them, the pilot resources with NZP-CSI-RS-ResourceId=n3 and NZP-CSI-RS-ResourceId=n1 in the pilot resource list are Class I pilot resources, and the other pilot resources are Class II pilot resources; and so on.

[0232] For example, the specific definition rules for the new field "highPriorityCRIFlag" are one or more of the following:

[0233] Rule 6: true indicates that the pilot resource is a type 1 pilot resource.

[0234] Rule 7: false indicates that the pilot resource is a type 2 pilot resource.

[0235] As an example, the reporting configuration type (reportConfigType) of the above CSI reporting configuration (CSI-ReportConfig) can be periodic, semi-static with the reporting volume carried on the PUCCH, semi-static with the reporting volume carried on the PUSCH, non-periodic, or trigger-based.

[0236] It should be understood that the field names described in the above methods are merely examples and do not constitute any limitation on this application.

[0237] It should be understood that the pilot resources described in this application may also be referred to as reference signal resources, reference signal pilot resources, channel state information reference signal resources, etc., and such terms do not limit this application.

[0238] As an example, the CSI reporting configuration can be one or more of the following:

[0239] 'cri-RSRP' or 'ssb-Index-RSRP' or 'cri-SINR' or 'ssb-Index-SINR' or 'cri-RSRP-Index' or 'ssb-Index-RSRP-Index' or 'cri-SINR-Index', or 'ssb-Index-SINR-Index'; 'cri-RI-PMI-CQI' or 'cri-RI-LI-PMI-CQI', or 'cri-RI-CQI' or 'cri-RI-i1-CQI' or 'cri-RI-i1'.

[0240] 420, The terminal equipment performs CSI measurement.

[0241] The terminal device reports configuration information based on CSI and performs reception measurements on the relevant pilot resources. In other words, the terminal device obtains CSI by measuring the reference signals sent by the network device received on the relevant pilot resources.

[0242] The reference signal is a downlink reference signal. For example, the reference signal is CSI-RS, and correspondingly, the reference signal resource is the CSI-RS resource.

[0243] As an example, the CSI reporting configuration of the network device is associated with Ks resources for channel measurement. The terminal device can select M pilot resources from these resources to perform channel state information measurement. The channel state information of at least one of the M pilot resources includes one or more of the following: RI, wideband CQI of the first transport block, subband CQI of the first transport block, wideband CQI of the second transport block, subband CQI of the second transport block, wideband PMI, subband PMI, and layer indicator LI.

[0244] As an example, the M pilot resources include M R One type I pilot resource and MM R One Class II pilot resource. For ease of description, M R A first-type pilot resource can be called a first-type reference signal resource, MM. R A second-type pilot resource may be referred to as a second-type reference signal resource. This terminology does not impose any limitation on this application.

[0245] Specifically, for example, the network device is configured with 8 pilot resources for channel measurement. The `csiReportConfig->resourcesForChannelMeasurement->nzp-CSI-RS-ResourceSetList->nzp-CSI-RS-ResourceSet` contains 8 NZP CSI-RS resources: {NZP-CSI-RS-ResourceId=n0,NZP-CSI-RS-ResourceId=n1,NZP-CSI-RS-ResourceId=n2,NZP-CSI-RS-ResourceId=n3,NZP-CSI-RS-ResourceId=n4,NZP-CSI-RS-ResourceId=n5,NZP-CSI-RS-ResourceId=n6,NZP-CSI-RS-ResourceId=n7}. The terminal device can select four pilot resources to report channel status information, which can be the channel status information corresponding to {NZP-CSI-RS-ResourceId=n1, NZP-CSI-RS-ResourceId=n3, NZP-CSI-RS-ResourceId=n4, NZP-CSI-RS-ResourceId=n6}.

[0246] For example, the channel state information corresponding to NZP-CSI-RS-ResourceId=n1 is one or more of the following: rank = RI#n1, bandwidth CQI of the first transport block = wbCQI#n1_0, subband CQI of the first transport block = sbCQI#n1_0, bandwidth CQI of the second transport block = wbCQI#n1_1, subband CQI of the second transport block = sbCQI#n1_1, bandwidth PMI = wbPMI#n1, subband PMI = sbPMI#n 1; The channel state information corresponding to NZP-CSI-RS-ResourceId=n6 is one or more of the following: Rank=RI#n6, the bandwidth CQI of the first transport block=wbCQI#n6_0, the subband CQI of the first transport block=sbCQI#n6_0, the bandwidth CQI of the second transport block=wbCQI#n6_1, the subband CQI of the second transport block=sbCQI#n6_1, the bandwidth PMI=wbPMI#n6, and the subband PMI=sbPMI#n6.

[0247] The method by which the terminal device determines M pilot resources from Ks pilot resources is not limited in the embodiments of this application.

[0248] 430, the terminal device reports CSI.

[0249] Based on the pilot measurement results from S420, the terminal device reports at least one of the following channel state information to the network device: selects M pilot resources from the Ks pilot resources configured for channel measurement and reports M CSIs corresponding to them to the network device.

[0250] For a Release 15 codebook (e.g., codebookmode=1 in a Type I single-panel codebook), the PMI matrix for each layer can be equivalent to: W = W1W2, where the dimension of W is P. CSI-RS ×N3, the dimension of W1 is P CSI-RS ×2v (or the wideband precoding matrix), where v represents the number of streams, and the dimension of W2 is 2v×N3 (or the precoding matrix for each subband), where P CSI-RS N1 represents the number of CSI-RS ports, and N2 represents the number of sub-bands (or the number of PMIs) for PMI feedback.

[0251] The PMI matrix can be equivalently represented as: The dimension of W is P CSI-RS ×N3, the dimension of W1 is P CSI-RS ×2L (or a wideband precoding matrix), where L represents the number of selected spatial basis vectors. The dimension is 2L×N3 (corresponding to W2 in Release 15, which is the precoding matrix of each subband). The dimension is 2L×M (or the compressed matrix). The dimension is M×N3 (where M is the M row of an N3×N3 IDFT matrix, i.e., the N3×N3 discrete Fourier transform (DFT) matrix W). f (the conjugate of column M in the text), where P CSI-RS For the number of CSI-RS ports, N3 represents the number of basis vectors chosen for the inverse discrete fourier transform (IDFT), and N3 represents the number of subbands (or PMIs) for PMI feedback. Finally, during feedback, only the W1-related port or DFT codebook information needs to be fed back. Related IDFT substrate selection information, The non-zero element in.

[0252] In higher frequency communication systems, base stations (and some terminals in certain frequency bands) typically use large-scale array antennas (e.g., 500–1000 (or more) antenna elements) to compensate for path loss caused by the increased frequency band and improve coverage through higher array gain. From the perspective of base station implementation, even with large arrays, different frequency bands and array sizes use different array weighting methods (i.e., different beamforming methods). Based on the beamforming implementation scheme, they can be roughly divided into three categories:

[0253] ① Digital beamforming (DBF) involves directly connecting each or a group of antenna elements to a digital channel. This structure is typical for low-frequency massive MIMO. Since each antenna signal is directly converted to the digital domain, and subsequent array weighting is performed in the digital domain, it is called digital beamforming. Digital domain signal processing offers the highest degree of freedom, supporting very complex signal processing methods; therefore, DBF architecture offers the best performance for the same array size. On the other hand, due to the high power consumption and cost of digital-to-analog / analog-to-digital converters (ADCs / DACs) (especially under high bandwidth conditions), DBF also has the highest cost for the same array size.

[0254] ② Analog beamforming (ABF) involves connecting each or a group of antenna elements to an analog phase shifter. Multiple antenna elements are then combined in the analog domain and transmitted through a single digital-to-analog (DAC) to analog-to-digital (ADC) converter. Compared to DBF, ABF uses only one DAC for the entire array, making its biggest advantage its lower cost and power consumption. However, ABF also has significant limitations. The phase shifter settings in the analog domain determine the beam direction after beamforming. Because signals are directly combined in the analog domain, unlike DBF which utilizes digital signal processing for weighting, ABF requires pre-configuring the phase shifter settings (pointing the analog beam to the target terminal) during transmission and reception. This process necessitates beam scanning during link establishment, introducing additional latency. Furthermore, if the analog beam is blocked or moves, causing misalignment, the system's link quality rapidly degrades or even terminates. Therefore, ABF's communication reliability is lower than that of DBF.

[0255] ③ Hybrid Beamforming (HBF): HBF is an intermediate form between ABF and DBF. HBF has a certain number of digital ports supporting digital beamforming, and each digital port drives an ABF subarray. Compared to ABF, for the same array size, each digital channel drives a smaller analog subarray, resulting in a wider beam, better reliability, and lower beam scanning overhead. The ratio of digital ports to analog phase shifters in HBF varies depending on the frequency and system design requirements. For example, high-frequency systems have a small number of digital ports (4–16) and more analog phase shifters per digital channel (16–32), closer to ABF. Low-frequency systems have more digital ports (32–128) and fewer analog phase shifters per digital channel (e.g., 2–10).

[0256] Currently, utilizing more spectrum resources is a crucial means to enhance wireless channel capabilities, with the 6GHz band emerging as the next available spectrum resource for wireless communication. However, higher frequency bands result in greater signal energy loss over the same transmission distance. To overcome this issue, larger-scale antenna arrays are typically used on the network device side to weight the transmitted signal, achieving higher array gain and thus increasing signal transmission energy. To reduce implementation costs, large-scale antenna arrays on the network device side usually employ an HBF architecture, where a single digital channel drives multiple antenna elements through multiple phase shifters. Downlink signal transmission on the network device side typically uses both analog and digital domain weighting.

[0257] Both HBF and ABF architectures use analog beams, and signal quality is only better when the beams are aligned with the communication target. The direction of the analog beams (determined by beam weights) needs to be configured before transmission and reception. For a given terminal, the process by which network devices select analog beams is called beam training or beam scanning. Beam scanning typically involves network devices sending reference signals using different analog beam weights, and terminal devices measuring these reference signals and providing feedback to help the network devices determine which beam has the best quality.

[0258] Referring to Figure 5, which is a schematic diagram of the HBF architecture on the network device side, as shown in Figure 5, under the HBF architecture, network devices typically use multiple analog beams to achieve coverage of different areas within the cell. Different analog beams cover terminal devices in different areas. Considering the mid-to-low frequency bands, the channel environment is rich in multipath propagation, and the same terminal device can be served by different analog beams. That is, in addition to the optimal analog beam seen by the terminal device, other non-optimal analog beams can also provide data transmission to the terminal device at a lower rate. When there are multiple terminal devices to be scheduled within the cell, in order to enable simultaneous transmission under resource reuse among multiple terminal devices within the cell, the terminal devices can measure the channel state information under multiple analog beams, thereby providing input for the network device's data scheduling decision.

[0259] Specifically, the configuration for channel state information (CSI) reporting includes one or more reference signal resource sets. At least one reference signal resource set contains one or more reference signal resources, and at least one reference signal resource contains one or more reference signal ports. For the HBF architecture, different analog beams are associated with different reference signal resources. When the transmitted signals of multiple reference signal resources within the same reference signal resource set originate from the same network device (e.g., TRP), the current protocol only supports the terminal device selecting one reference signal resource from which to report CSI information to the network device. The CSI reporting value informs the network device of the reference signal resource associated with the currently reported CSI information. The specific reference signal resource selected for CSI reporting is decided autonomously by the terminal device.

[0260] The HBF architecture features both digital ports and analog phase shifter arrays. Therefore, during communication, the HBF architecture offers multiple analog beams to choose from. Under each analog beam, the weighted values ​​and MCS of the digital port used to serve a particular terminal require feedback using CSI information. This means that the base station needs to instruct the terminal to measure the CSI information under each analog beam separately and then provide feedback, resulting in increased pilot overhead and feedback overhead.

[0261] Based on existing protocols, network devices can configure multiple reference signal resources for channel state information (CSI) measurement for terminal devices. This means different analog beams can be configured as different reference signal resources, allowing the terminal device to perform reception measurements on these resources, acquire CSI, and report measurement reports to the access network device. However, when the receiving end reports the measurement reports, the Reference Receivers (RIs) of the multiple resources are configured independently. How to effectively report these measurement reports is a crucial technical problem that needs to be solved.

[0262] In view of this, this application proposes a communication method that allows the receiving end to report measurement reports of multiple resources according to certain rules, wherein the measurement reports carry channel state information corresponding to multiple reference signals.

[0263] Before introducing the scheme of this application, the following points should be noted.

[0264] (1) In this application, “instruction” may include direct instruction, indirect instruction, explicit instruction, and implicit instruction. When describing a certain instruction information for the purpose of instructing A, it can be understood that the instruction information carries A, directly instructs A, or indirectly instructs A.

[0265] In this application, the information indicated by the instruction information is called the information to be instructed. In specific implementations, there are many ways to indicate the information to be instructed, such as, but not limited to, directly indicating the information to be instructed, such as the information to be instructed itself or its index. It can also indirectly indicate the information to be instructed by indicating other information, where there is a relationship between the other information and the information to be instructed. It can also indicate only a part of the information to be instructed, while the other parts are known or pre-agreed upon. For example, the instruction of specific information can be achieved by using a pre-agreed (e.g., protocol-defined) arrangement of various pieces of information, thereby reducing instruction overhead to some extent. Furthermore, the information to be instructed can be sent as a whole or divided into multiple sub-information pieces, and the sending period and / or timing of these sub-information pieces can be the same or different.

[0266] (2) In this application, "send" and "receive" indicate the direction of signal transmission. For example, "send information to XX" can be understood as the destination of the information being XX, which may include direct transmission via the air interface or indirect transmission via the air interface by other units or modules. "Receive information from YY" can be understood as the source of the information being YY, which may include direct reception from YY via the air interface or indirect reception from YY via the air interface by other units or modules. "Send" can also be understood as the "output" of the chip interface, and "receive" can also be understood as the "input" of the chip interface. In other words, sending and receiving can occur between devices, such as between network devices and terminal devices, or within a device, such as between components, modules, chips, software modules, or hardware modules within the device via a bus, wiring, or interface.

[0267] (3) In the various embodiments of this application, unless otherwise specified or logically conflicting, the terms and / or descriptions of different embodiments are consistent and can be referenced by each other. The technical features of different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0268] (4) In this application, "first," "second," "#1," "#2," "#n1," "#n2," "#A," "#B," etc., are merely for descriptive convenience and are used to distinguish objects, and are not intended to limit the scope of the embodiments of this application. They are not used to describe the order or sequence of features. It should be understood that such described objects can be interchanged where appropriate so as to describe solutions other than those in the embodiments of this application.

[0269] (5) In this application, “predefined” may mean a standard protocol predefined, or it may mean that the devices have agreed or negotiated in advance.

[0270] (6) In this application, the words “exemplary,” “for example,” etc., are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as an “example” in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the word “example” is intended to present the concept in a concrete manner. In the embodiments of this application, “of,” “corresponding, relevant,” and “corresponding” may sometimes be used interchangeably, and it should be noted that their intended meanings are consistent unless their distinction is emphasized.

[0271] The method provided by the embodiments of this application will be described in detail below with reference to the accompanying drawings. The embodiments provided by this application can be applied to the communication system shown in FIG1 above, and are not limited thereto.

[0272] In the following embodiments, terminal devices and network devices are used as examples for illustrative purposes. The term "terminal device" can be replaced by a component of a terminal device (e.g., a chip, chip system, or circuit), and the term "network device" can be replaced by a component of a network device (e.g., a chip, chip system, or circuit).

[0273] Referring to Figure 6, which is a schematic diagram of a communication method 600 provided in an embodiment of this application, the method 600 shown in Figure 6 may include the following steps.

[0274] 610, The terminal device receives configuration information reported by CSI.

[0275] The CSI reported configuration information includes Ks reference signal resources, where Ks is an integer greater than 1.

[0276] One possible implementation is that the network device sends RRC signaling to the terminal device, and then uses this RRC signaling to send CSI reporting configuration information to the terminal device.

[0277] For details, please refer to steps 410 and 420 or related technologies, which will not be elaborated here.

[0278] 620. The terminal device measures the Ks reference signal resources to determine M channel state information.

[0279] In other words, the terminal device obtains M channel state information by measuring (such as channel measurement) the reference signals received on Ks reference signal resources.

[0280] Where M is an integer greater than 1.

[0281] One possible implementation is that the Ks reference signal resources include a first type of reference signal resource and a second type of reference signal resource, wherein the first type of reference signal resource is M, which is the channel state information that the network device needs to report, as indicated by the network device. R There are one type of reference signal resource, and the second type of reference signal resource is Ks-M. R One reference signal resource.

[0282] One possible implementation involves M reference signal resources, including M... R One Class I reference signal resource and MM R A second type of reference signal resource.

[0283] For example, the second type of reference signal resource is the reference signal resource for which the terminal device needs to report channel state information for autonomous decision-making.

[0284] The configuration of the first type of reference signal resources and the second type of reference signal resources can be referred to the description of step 410 in method 400 or related technologies, and will not be repeated here.

[0285] At 630, the terminal device sends the first CSI report.

[0286] Accordingly, the network device receives the first CSI report.

[0287] The first CSI report includes M channel state information corresponding to M reference signal resources.

[0288] Accordingly, the network device receives M channel status information via the first CSI report.

[0289] As an example, the M channel state information can be carried in at least one of the following: physical uplink control channel (PUCCH) and physical uplink shared channel (PUSCH).

[0290] As an example, M channel state information items are contained in the channel state information field (CSI field), which can be carried in uplink control information (UCI) and transmitted via the physical uplink control channel PUCCH or PUSCH.

[0291] The first CSI report includes CSI fields corresponding to M Channel State Information Reference Signal Resource Indicators (CRIs). These M CRIs correspond one-to-one with the aforementioned M reference signal resources. In other words, the M channel state information is contained in the CSI fields indicated by the M CRIs.

[0292] The CSI fields mentioned above include at least one of the following fields:

[0293] CRI, Rank Indicator RI, Zero Padding Bits (O) P The following are the parameters: wideband channel quality indicator (CQI) for the first transport block (TB), subband differential CQI for the first TB, wideband CQI for the second TB, layer indicator LI, PMI wideband information field X1, and PMI wideband information field X2.

[0294] In one example, the PMI wideband information field X1 represents the precoding matrix indicator i1, i1 containing i 1,1 i 1,2 i 1,3 At least one of them, i 1,1 i represents the index of the first dimension of the oversampled spatial basis. 1,2 i represents the index of the second dimension of the oversampled spatial basis. 1,3 The offset of the spatial basis. i2 represents the phase coefficient between polarizations. For a detailed explanation, please refer to section 5.2.2.2.1 of TS 38.214.

[0295] In this context, the first TB of broadband CQI can also be referred to as the first TB of broadband CQI, the second TB of broadband CQI can also be referred to as the second TB of broadband CQI, the first TB of subband differential CQI can also be referred to as the first TB of subband differential CQI, and the second TB of subband differential CQI can also be referred to as the second TB of subband differential CQI. The above descriptions of the fields are merely examples. The CSI field names in the table below are used as examples to illustrate the embodiments of this application. The descriptions of the above fields and the field descriptions in the table do not impose any limitations on the embodiments of this application.

[0296] TB can also be replaced with codeword (CW), but this application does not limit this.

[0297] It should be understood that the above field names can be interchanged with the English description or the description in parentheses, or can be described separately based on the English, and this application does not limit this.

[0298] For ease of description, the above fields can be indicated by the first field, the second field, the third field, the fourth field, the fifth field, the sixth field, the seventh field, the eighth field, and the ninth field, respectively.

[0299] The first field is used to indicate the zero-padding bit O. P The second field indicates CRI, the third field indicates RI, the fourth field indicates LI, the fifth field indicates PMI broadband information field X1, the sixth field indicates PMI broadband information field X2, the seventh field indicates the broadband CQI of the first TB, the eighth field indicates the broadband CQI of the second TB, and the ninth field indicates the subband differential CQI of the first TB.

[0300] In one possible implementation, the first CSI report may include at least one or more of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth fields mentioned above.

[0301] In one possible implementation, the first CSI report contains a part (Part#n), or in other words, each channel state information report contains a part.

[0302] In one possible implementation, the first CSI report may include at least one of the second, third, fourth, fifth, sixth, seventh, and eighth fields mentioned above, as well as the first field. For example, a Type I codebook.

[0303] In another possible implementation, the first CSI report contains two parts, Part 1 and Part 2, or in other words, each channel state information report contains two parts.

[0304] It should be understood that in this application, Part 1 is equivalent to Part 1 CSI and Part 2 is equivalent to Part 2 CSI, and these terms are not intended to limit this application.

[0305] In one possible implementation, the first part may include at least one of the second, third, seventh, and ninth fields mentioned above, as well as the first field. For example, a Type I codebook.

[0306] The above-mentioned Type I codebook includes at least one of the following: Type I Single-Panel Codebook or Type I Multi-Panel Codebook, the terminology being not intended to limit this application.

[0307] The Type II codebook includes at least one of the following: Type II Codebook, Type II Port Selection Codebook, Enhanced Type II Codebook or typeII-r16, Enhanced Type II Port Selection Codebook or typeII-portSelection-r16, Further enhanced Type II port selection codebook or typeII-PortSelection-r17, Enhanced Type II codebook for CJT or typeII-CJT-r18, Further enhanced Type II port selection codebook for CJT or typeII-CJT-PortSelection-r18, etc., and such terminology does not limit this application.

[0308] This application uses a Type I codebook as an example. The method provided in this application is also applicable to Type II codebooks, and will not be described in detail here.

[0309] For example, for the Rel-19 version of the protocol, the following parameters are redescribed:

[0310] The codebook of the above-mentioned Type I includes at least one of the following: Type I Single-Panel Codebook for multi-CRI / multi-resource or typeI-r19 or typeI-SP-r19, Type I Multi-Panel Codebook for multi-CRI / multi-resource, and the terminology is not intended to limit this application.

[0311] The above-mentioned Type II codebook includes at least one of the following: Enhanced Type II Codebook for multi-CRI / multi-resource or typeII-r19, Enhanced Type II Port Selection Codebook for multi-CRI / multi-resource or typeII-PortSelection-r19, Further enhanced Type II port selection codebook for multi-CRI / multi-resource or typeII-PortSelection-r19, etc., and such terminology does not limit this application.

[0312] It should be noted that the first CSI report may include two parts (Part 1 and Part 2), and the second part may include wideband CSI (Part 2 wideband CSI) and subband CSI (Part 2 subband CSI).

[0313] For example, one of the M reference signal resources mentioned above can correspond to one resource in a CSI report. For instance, a CSI report may contain four resources, which correspond to one of the four M reference signal resources. The fields in Part 1 and Part 2 of one of the M reference signal resources can be referred to the above description.

[0314] The sorting rules for the CSI field in this application embodiment will be explained below.

[0315] The following tables 1-2M (Table 1-1, Table 1-1A, Table 1-1B, Table 1-1C, Table 1-1D, Table 1-1E, Table 1-1F, Table 1-1G, Table 1-1H, Table 1-1J, Table 1-1K, Table 1-1L, Table 1-1M, Table 1-1N, Table 1-1O, Table 1-1P, Table 1-2, Table 1-2A, Table 1-2B, Table 1-2C, Table 1-2D, Table 1-2E, Table 1-2F, Table 1-2G, Table 1-2H, Table 1-2J, Table 1-2K, Table 1-2L, Table 1-2M, Table 1-2N, Table 1-2O, Table 1-2P, Table 1-2Q) Tables 2-1, 2-1A, 2-1B, 2-1C, 2-1D, 2-1E, 2-1F, 2-1G, 2-1H, 2-1J, 2-2, 2-2A, 2-2B, 2-2C, 2-2D, 2-2E, 2-2F, 2-2G, 2-2H, 2-2J, 2-2K, 2-2L, and 2-2M illustrate a format example of CSI field sorting applicable to embodiments of this application, wherein the CSI field indicates the M channel state information corresponding to the M reference signal resources and the order of the M channel state information.

[0316] Among them, Tables 1-1B, 1-1C, 1-1D, 1-1E, 1-1F, 1-1G, 1-1H, 1-1J, 1-1K, 1-1L, 1-1M, 1-1N, 1-1O, 1-1P, 1-2A, 1-2B, 1-2C, 1-2D, 1-2E, 1-2F, 1-2G, 1-2H, 1-2J, 1-2K, 1-2L, 1-2M, 1-2N, and 1-2O are listed. For some content in Tables 1-2P, 1-2Q, 2-1B, 2-1C, 2-1D, 2-1E, 2-1F, 2-1G, 2-1H, 2-1J, 2-2A, 2-2B, 2-2C, 2-2D, 2-2E, 2-2F, 2-2G, 2-2H, 2-2J, 2-2K, 2-2L, and 2-2M, please refer to the description in Chinese patent application No. 202411660988.4. For example, the relevant content of Table 1-1B can be found in the description of the relevant content of Table 1-1B in Chinese patent application No. 202411660988.4; the relevant content of Table 1-1C can be found in the description of the relevant content of Table 1-1C in Chinese patent application No. 202411660988.4... the relevant content of Table 2-2M can be found in the description of the relevant content of Table 2-2M in Chinese patent application No. 202411660988.4, and will not be repeated here.

[0317] The CRI field is used to carry the reference signal resource index value, CRI k0 - CRI k M-1 used to indicate the M channel state information resource indexes to be reported. Among them, at least one CRI field corresponds to the reference signal resource associated with a channel state information. For example, the M reference signal resource indexes are k0, k1, k2,..., k M-1 , CRI k0 indicates the reference signal resource with the reference signal resource index = k0, and the channel state information of this reference signal resource is ranked first with the highest priority and occupies the most important bit positions of the CSI field.

[0318] Among them, CRI k0 - CRI k M-1 The M channel state information resources indicated by the fields can be arranged in the order of priority.

[0319] Exemplarily, the M CRIs are in the form of CRI k0, CRI k1,..., CRI k m ,..., CRI k M-1 in the form of, where k m and m are integers, k m is used to indicate the indexes of the Ks resources configured for the CSI-RS resource set, M is the number of beams reported, k m corresponds to a value of 0 ≤ k m < Ks, m corresponds to a value of 0 ≤ m < M.

[0320] Exemplarily, considering that the base station configures M R high-priority beams, the corresponding M CRIs are in the form of CRI k0, CRI k1,..., CRI k MR ,..., CRI k MR+1 ,..., CRI k M-1 in the form of, where k m and m are integers, k m is used to indicate the indexes of the Ks resources configured for the CSI-RS resource set, M is the number of beams reported, k m corresponds to a value of 0 ≤ k m < Ks, m corresponds to a value of 0 ≤ m < M.

[0321] Exemplarily, in this CSI field, the channel state information resources with higher priority occupy the bit positions with higher importance, and the channel state information resources with lower priority occupy the bit positions with relatively lower importance. For example, the channel state information resources with higher priority occupy the front bit positions in the CSI field, and the channel state information resources with lower priority occupy the rear bit positions in the CSI field. For example, the reference signal resource indicated by the CRI k0 field has the highest priority, CRI k M-1The reference signal resources indicated by the fields have the lowest priority, CRI k0 - CRI k M-1 The priorities of the indicated M reference signal resources decrease gradually.

[0322] Among them, CRI k0 - CRI k M-1 The content of the channel state information corresponding to the reference signal resources indicated by at least one field in the field can be determined according to the configuration information of the network device. For example, in step 410 of method 400, the network device configures the information reported in the report quantity (reportQuantity) in the CSI reporting configuration (CSI-ReportConfig), such as including at least one of the following: CRI, PMI, RI, LI, CQI, RSRP, RSRQ, SNR, SINR, etc. Different information can be reported through different configurations.

[0323] Exemplarily, M - M R The M CRI are indicated in the form of CRI k0, CRI k1, …, CRI k m , …, CRI k M-MR-1 where k m and m are integers, k m is the index of the Ks resources used to indicate the CSI-RS resource set configuration, M is the number of reported beams, and the corresponding value of k m is 0 ≤ k m < Ks, and the corresponding value of m is 0 ≤ m < M - M R .

[0324] Exemplarily, when the M reference signal resources include M R (M R > 0) first-type reference signal resources, that is, when the access network device configures M R high-priority beams, the corresponding CRI may not be fed back, and the M reported channel state information may feed back M - M R CRI. These M - M R CRI can be indicated using the indices CRI k0 - CRI k M-MR-1 , and the channel state information corresponding to CRI k0 can be ranked first among the M - M R channel state information.

[0325] Exemplarily, when the M reference signal resources include M R (MR > 0) first-type reference signal resources, the channel state information corresponding to these M R first-type reference signal resources is ranked before the channel state information corresponding to the M - M R second-type reference signal resources, or it can also be arranged according to other rules. For example, these MR Channel state information and MM corresponding to each type I reference signal resource R The channel state information corresponding to each type II reference signal resource is arranged based on measurement results such as CQI, RSRP, and RI. This application does not limit this arrangement.

[0326] In one possible implementation, the nth CSI report (which contains 1 part) includes channel state information corresponding to a reference signal resource.

[0327] For example, in the nth CSI report (CSI report #n), one or more fields in the channel state information corresponding to the reference signal resource are arranged in the following order: CRI, RI, LI, zero-padding bits O P The PMI broadband information field X1 and PMI broadband information field X2 represent the increasing order of the broadband CQI for the first TB and the broadband CQI for the second TB. Taking CRI k0 as an example, the specific CSI field format is shown in Table 1 below.

[0328] Among them, zero-filled bits O P It is associated with the reference signal resource indicated in the nth CSI report.

[0329] Table 1-1

[0330] In another possible implementation, the nth CSI report (which contains 1 part) includes channel state information corresponding to a reference signal resource, and M R The CSI field corresponding to each reference signal resource does not include CRI.

[0331] For example, in the nth CSI report (CSI report #n), MM R One or more fields in the channel state information corresponding to a reference signal resource are arranged in the following order: CRI, RI, LI, zero-padding bits O P The PMI broadband information field X1 and PMI broadband information field X2 represent the increasing order of the broadband CQI for the first TB and the broadband CQI for the second TB. Taking CRI k0 as an example, the specific CSI field format is shown in Table 1-1 above.

[0332] For example, in the nth CSI report (CSI report #n), M R One or more fields in the channel state information corresponding to a reference signal resource are arranged in the following order: RI, LI, zero-padding bits O PThe PMI broadband information field X1 and PMI broadband information field X2 represent the increasing order of the broadband CQI for the first TB and the broadband CQI for the second TB. Taking CRI k0 as an example, the specific CSI field format is shown in Table 1-2 below.

[0333] Among them, zero-filled bits O P It is associated with the reference signal resource indicated in the nth CSI report.

[0334] Table 1-2

[0335] In one possible implementation, the nth CSI report (part 1 of the CSI report) includes channel state information corresponding to a reference signal resource.

[0336] For example, in the nth CSI report (CSI report #n), one or more fields in the channel state information corresponding to the reference signal resource are arranged in the following order: CRI, RI, zero-padding bits O P The increasing order of the broadband CQI of the first TB and the subband differential CQI of the first TB. Taking CRI k0 as an example, the specific CSI field format is shown in Table 2-1 below.

[0337] Among them, zero-filled bits O P It is associated with the reference signal resource indicated in the nth CSI report.

[0338] Table 2-1

[0339] In another possible implementation, the nth CSI report (part 1 of this CSI report) includes channel state information corresponding to a reference signal resource, and M R The CSI field corresponding to each reference signal resource does not include CRI.

[0340] For example, in the nth CSI report (CSI report #n), MM R One or more fields in the channel state information corresponding to a reference signal resource are arranged in the following order: CRI, RI, zero-padding bits O P The increasing order of the broadband CQI of the first TB and the subband differential CQI of the first TB. Taking CRI k0 as an example, the specific CSI field format is shown in Table 2-1 above.

[0341] For example, in the nth CSI report (CSI report #n), M R One or more fields in the channel state information corresponding to a reference signal resource are arranged in the following order: CRI, RI, zero-padding bits O PThe increasing order of the broadband CQI of the first TB and the subband differential CQI of the first TB. Taking CRI k0 as an example, the specific CSI field format is shown in Table 2-2 below.

[0342] Among them, zero-filled bits O P It is associated with the reference signal resource indicated in the nth CSI report.

[0343] Table 2-2

[0344] When it is necessary to report the CSI fields corresponding to multiple reference signal resources, how to report the measurement report is an urgent technical problem to be solved.

[0345] The embodiments of this application respectively provide zero-filling bits O P Some specific schemes regarding the location and calculation method of zero-padded bits in CSI reports. Zero-padded bits O P The scheme and zero-padded bits in the CSI report P The calculation methods can be used in combination or individually, and there are no restrictions on this.

[0346] First, let's introduce the zero-filled bit O. P The plan for the location in the CSI report.

[0347] As mentioned above, for ease of description, the CSI information of a reference signal resource in the CSI report is referred to as a CSI field. In other words, the CSI report may include M CSI fields, which indicate the M CSIs corresponding to the M reference signal resources. One of the M CSI fields indicates the CSI corresponding to one of the M reference signal resources.

[0348] The following text includes at least one CSI field in the aforementioned CSI report, including the first field, and the first field indicates zero-padded bits O. P For example, let's explain the location of zero-padding bits in the CSI report.

[0349] Specifically, the position of the first field in the CSI field must satisfy at least one of the following:

[0350] The first field has a higher bit position index than the second field; or,

[0351] The first field has a higher bit position index than the third field; or,

[0352] The first field has a higher bit position index than the fourth field; or,

[0353] The first field has a higher bit position index than the fifth field; or,

[0354] The first field has a higher bit position index than the sixth field; or,

[0355] The first field has a higher bit position index than the seventh field; or,

[0356] The first field has a higher bit position index than the eighth field; or,

[0357] The first field has a higher bit position index than the ninth field; or,

[0358] At least one of the second, third, fourth, fifth, sixth, seventh, eighth, and ninth fields has a higher bit position index than the first field.

[0359] For example, the first field may have a higher bit position index than at least one or more of the second, third, fourth, fifth, sixth, seventh, eighth, and ninth fields; or, the first field may have a lower bit position index than at least one or more of the second, third, fourth, fifth, sixth, seventh, eighth, and ninth fields.

[0360] In this application embodiment, regarding the position of the first field, as an example, the following two schemes are included:

[0361] Option #A: Each CSI field in the CSI report includes the first field.

[0362] Option #B: The first field is included in some CSI fields of the CSI report.

[0363] In scheme #A, the zero-padding bit indicated by the first field of the CSI field corresponding to different reference signal resources is associated with one CSI-RS resource among the M reference signal resources; in scheme #B, the zero-padding bit indicated by the first field of the CSI field corresponding to different reference signal resources is associated with one or more CSI-RS resources among the M reference signal resources. For ease of description and distinction, the zero-padding bit O is used in the embodiments of this application. P,j The zero-padding bit O represents the number of bits associated with a CSI-RS resource. P (j can take the values ​​k0, k1, k2...k) M-1 Fill bits O with zeros. P,M O represents the zero-padding bits associated with M CSI-RS resources. P Fill bits O with zeros P,M-MR Indicates with MM RZero-padding bits associated with each CSI-RS resource P Fill bits O with zeros P,MR Indicates with M R Zero-padding bits associated with each CSI-RS resource P Fill bits O with zeros P,M-1 The zero-padding bit O represents the number of CSI-RS resources associated with M-1 resources. P wait.

[0364] The two solutions described above will be explained in detail below, taking into account several scenarios.

[0365] In this application embodiment, scenarios #1 to #6 apply to examples where the CSI report contains M channel state information items and the report contains one part; scenarios #7 to #12 apply to examples where the CSI report contains M channel state information items and the report contains two parts, wherein the first part (part 1) is an example; scenarios #13 to #16 apply to zero-padded bits 0 P Examples of calculation methods (where cases #13 and #15 are examples applicable to part 1; cases #14 and #16 are examples applicable to part 1).

[0366] In this embodiment of the application, the bit position index can also be interchanged with at least one of the following and express the same meaning (the following items can also be interchanged with each other and express the same meaning): position index; field position; position; bit position; sorting; zero-padded bit position; position in a table; position between fields, etc.

[0367] For example, field #1 has a higher bit position index than field #2, and can also be interchanged with at least one of the following and express the same meaning (the following can also be interchanged with each other and express the same meaning): field #1 has a higher position index than field #2; field #1 has a higher field position than field #2; field #1 is earlier than field #2; field #1 has a bit position earlier than field #2; field #1 is before field #2; field #1 is ordered before field #2; field #1 has a higher zero-padding bit position than field #2; field #1 is earlier in the table; field #1 is between field #2 and another field, etc.

[0368] For example, a first field having a higher bit position index than a fifth field can be interchanged with at least one of the following: the first field has a higher position index than the fifth field; the first field has a higher field position than the fifth field; the first field is earlier than the fifth field; the first field has a bit position earlier than the fifth field; the first field precedes the fifth field; the first field is ordered before the fifth field; the first field has a higher zero-padding bit position than the fifth field; the first field is earlier in the table; the first field is between the fifth and fourth fields; the first field is between the fifth and third fields; the first field is between the fifth and second fields, etc.

[0369] This example uses only the first and fifth fields. The description of the positional relationships between other fields is similar to that between the first and fifth fields (for example, the first field has a higher bit position index than the seventh field, and can be interchanged with at least one of the following: the first field has a higher position index than the seventh field; the first field has a higher field position than the seventh field; the first field is earlier than the seventh field; the first field has a bit position earlier than the seventh field; the first field precedes the seventh field; the first field is ordered before the seventh field; the first field has a higher zero-padding bit position than the seventh field; the first field is earlier in the table; the first field is between the seventh and sixth fields; the first field is between the seventh and fifth fields; the first field is between the seventh and fourth fields; the first field is between the seventh and third fields; the first field is between the seventh and second fields, etc.). This embodiment will not elaborate further on this.

[0370] In this embodiment of the application, field #3 has a lower bit position index than field #4, and can be interchanged with field #4, which has a higher bit position index than field #3, to express the same meaning.

[0371] It should be understood that in the embodiments of this application, terms such as "higher bit position index" or "lower bit position index" are exemplary descriptions intended to describe possible expressions of the position of the first field and do not constitute a limitation on the embodiments of this application.

[0372] In the embodiments of this application, the maximum load can also be replaced by at least one of the following and express the same meaning (the following items can also be replaced by each other and express the same meaning): maximum load bit; maximum load bit; maximum load bit; maximum load bit; maximum load bit; maximum load bit number; maximum load bit number; maximum load bit number; maximum load bit number, maximum load bit number, etc.

[0373] The following is an example of a CSI report containing M channel state information items, and the report contains one part (such as Table 1-1A, Table 1-1B, Table 1-1C, Table 1-1D, Table 1-1E, Table 1-1F, Table 1-1G, Table 1-1H, Table 1-1J, Table 1-1K, Table 1-1L, Table 1-1M, Table 1-1N, Table 1-1O, Table 1-1P, etc.).

[0374] In one possible implementation, the CSI fields corresponding to the M reference signal resources are arranged in the order of CRI.

[0375] When configuring multiple reference signal resources for channel measurement in a terminal device, the RI value for each reference signal resource is configured individually, and the RI values ​​for each reference signal resource are not necessarily the same (for example, at least two reference signal resources may have different RI values). Since the RI values ​​for each reference signal resource are different, the number of bits that need to be reported for each reference signal resource is different, but the number of bits carried in the CSI report is fixed. Therefore, zero padding bits need to be added to the CSI field corresponding to the reference signal resource.

[0376] For example, if a single report needs to contain fields corresponding to M reference signal resources (assuming M=4), the maximum number of bearer bits N corresponding to the CSI field of a single resource can be calculated. max =50 bits, meaning the maximum number of bits a single report can carry is 4 * 50 = 200 bits. Assume the number of reporting bits corresponding to the four reference signal resources are N respectively. report,k0 =47, N report,k1 =47, N report,k2 =48, N report,k3 =48, then the number of zero-padding bits corresponding to the four reference signal resources are O P,k0 =50-47=3, O P,k1 =50-47=3, O P,k2 =50-48=2, O P,k3 =50-48=2. This can also be understood as the total number of zero-padding bits required for the entire report being 3+3+2+2=10 bits.

[0377] For example, a CSI report needs to include CSI fields corresponding to four reference signal resources. Calculations show that the maximum bit capacity of the CSI field for each of these four reference signal resources is 50 bits. Therefore, the maximum bit capacity of a single CSI report is 200 bits. Assuming the number of reported bits for the four reference signal resources are 47, 47, 48, and 48 respectively, the number of zero-padding bits for each resource is 50-47=3, 50-47=3, 50-48=2, and 50-48=2 respectively. This can also be understood as the total number of zero-padding bits required for a single CSI report being 3+3+2+2=10 bits.

[0378] Zero-filled bit O P The position of this field in the CSI report needs to be determined. The following text will use a specific CSI field from the aforementioned CSI report, including the first field, where the first field indicates zero-padding bits O. P For example, zero-padding bits O in the CSI field P The location will be explained.

[0379] As an example, the position of the first field in the CSI field satisfies at least one of the following:

[0380] The first field has a higher bit position index than the second field; or,

[0381] The first field has a higher bit position index than the third field; or,

[0382] The first field has a higher bit position index than the fourth field; or,

[0383] The first field has a higher bit position index than the fifth field; or,

[0384] The first field has a higher bit position index than the sixth field; or,

[0385] The first field has a higher bit position index than the seventh field; or,

[0386] The first field has a higher bit position index than the eighth field; or,

[0387] At least one of the second, third, fourth, fifth, sixth, seventh, and eighth fields has a higher bit position index than the first field.

[0388] For example, the first field may have a higher bit position index than at least one or more of the second, third, fourth, fifth, sixth, seventh, and eighth fields; or, the first field may have a lower bit position index than at least one or more of the second, third, fourth, fifth, sixth, seventh, and eighth fields.

[0389] For ease of reading and understanding, several possible positions of the first field are described below with examples. These examples do not constitute a limitation on the embodiments of this application. Unless otherwise specified, the first field can be located anywhere in the CSI report or anywhere within the CSI fields.

[0390] Scenario #1: Each CSI field in the above CSI report includes a first field. Scenario #1 applies to scheme #A above.

[0391] In one possible implementation, the bit position index of the first field in the CSI field corresponding to different reference signal resources is the same.

[0392] For example, the first field in the CSI fields corresponding to different reference signal resources has a higher bit position index than the fifth field mentioned above. The specific CSI field format is shown in Table 1-1A below. One or more of the CSI fields corresponding to the M reference signal resources included in the CSI report are arranged as follows:

[0393] {CRI, RI, LI, zero-padding bits} are associated with the first CSI-RS resource among M reference signal resources. PMI broadband information field X1, PMI broadband information field X2, broadband CQI for the first TB, broadband CQI for the second TB}

[0394] {CRI, RI, LI, zero-padding bits} are associated with the second CSI-RS resource among M reference signal resources. PMI broadband information field X1, PMI broadband information field X2, broadband CQI for the first TB, broadband CQI for the second TB}

[0395] ……,

[0396] {CRI, RI, LI, zero-padding bits} are associated with the Mth CSI-RS resource among M reference signal resources. PMI broadband information field X1, PMI broadband information field X2, broadband CQI of the first TB, broadband CQI of the second TB}.

[0397] Table 1-1A

[0398] When the bit position indexes of the first field in the CSI fields corresponding to different reference signal resources are the same, the specific implementation of the first field can also be different from that shown in Table 1-1A (for example, the bit position index of the first field can be different from that shown in Table 1-1A). The specific implementation of the first field can refer to the description in the Chinese patent application with the application number 202411660988.4, in Case #1, regarding the part "In a possible implementation, the bit position indexes of the first field in the CSI fields corresponding to at least two different reference signal resources are different.", which will not be elaborated in this application.

[0399] In a possible implementation, the bit position indexes of the first field in the CSI fields corresponding to at least two different reference signal resources are different.

[0400] When the bit position indexes of the first field in the CSI fields corresponding to at least two different reference signal resources are different, the specific implementation of the first field can refer to the description in the Chinese patent application with the application number 202411660988.4, in Case #1, regarding the part "In a possible implementation, the bit position indexes of the first field in the CSI fields corresponding to at least two different reference signal resources are different.", which will not be elaborated in this application.

[0401] Case #2: One CSI field in the above CSI report includes the first field. This Case #2 can be applied to the above Solution #B.

[0402] In a possible implementation, the CSI field corresponding to the M'th reference signal resource among the M reference signal resources includes the first field. 0 < M' < M + 1. For example, the CSI field corresponding to the first reference signal resource among the M reference signal resources includes the first field; for another example, the CSI field corresponding to the last reference signal resource among the M reference signal resources includes the first field; for another example, R the CSI field corresponding to the first reference signal resource among the M reference signal resources includes the first field; for another example, R the CSI field corresponding to the last reference signal resource among the M reference signal resources includes the first field; for another example, among the M reference signal resources, R the CSI field corresponding to the first reference signal resource except the M reference signal resources includes the first field; for another example, among the M reference signal resources, R the CSI field corresponding to the last reference signal resource except the M reference signal resources includes the first field; and so on, which is not limited herein.

[0403] For example, as mentioned above, among the M reference signal resources, M ROne reference signal resource can be a high-priority resource, and among the M reference signal resources, M excluding M R MM outside of a reference signal resource R A reference signal resource can be any reference signal resource other than a high-priority resource.

[0404] In one possible implementation, the CSI field corresponding to the M'-th reference signal resource contains zero-padding bits O. P,M Indicates the zero-filling bits associated with M reference signal resources.

[0405] When the zero-padding bit O is in the CSI field corresponding to the M'th reference signal resource P,M When indicating the zero-padding bits associated with M reference signal resources, the specific implementation of the first field can be found in Chinese Patent Application No. 202411660988.4, Case #2, regarding "In one possible implementation, the zero-padding bit O in the CSI field corresponding to the M'th reference signal resource..." P,M The description of the section "Indicates the zero-padding bits associated with M reference signal resources" is not repeated here.

[0406] Scenario #3: The two CSI fields in the above CSI report include the first field. Scenario #3 is applicable to Scheme #B above.

[0407] In one possible implementation, among the M reference signal resources, the CSI fields corresponding to two different reference signal resources include the first field.

[0408] In one possible implementation, the bit position indices of the first field in the CSI field are different for two different reference signal resources.

[0409] When the bit position index of the first field in the CSI field corresponding to two different reference signal resources is different, the specific implementation of the first field can be found in the description of the first field in Case #3 of Chinese Patent Application No. 202411660988.4, which states that "in one possible implementation, the bit position index of the first field in the CSI field corresponding to two different reference signal resources is different." This application will not repeat the description here.

[0410] In one possible implementation, the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 .

[0411] When the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 For a specific implementation of the first field, please refer to Chinese Patent Application No. 202411660988.4, Situation #3, which states that "in one possible implementation, the first field of one CSI field corresponding to the first reference signal resource among M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource." The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 The description of the "..." part will not be repeated here.

[0412] In one possible implementation, the bit position indices of the first field in the CSI fields corresponding to two different reference signal resources are the same.

[0413] When the bit position index of the first field in the CSI field corresponding to two different reference signal resources is the same, the specific implementation of the first field can be referred to the description in Case #3 of Chinese Patent Application No. 202411660988.4 regarding "In one possible implementation, the bit position index of the first field in the CSI field corresponding to two different reference signal resources is the same." This application will not repeat it here.

[0414] In Tables 1-1A, 1-1B, 1-1C, 1-1D, 1-1E, 1-1F, 1-1G, 1-1H, 1-1J, 1-1K, 1-1L, 1-1M, 1-1N, 1-1O, and 1-1P, M CRIs are listed with CRI k0, CRI k1, ..., CRI CRI CRI k M-1 The indication is in the form of CRI k0, CRI k1, ..., CRI k0, where CRI k0, CRI k1, ..., CRI k1, ..., CRI k2 ... It is the former M R CRI corresponding to a high-priority beam or high-priority resource, CRI CRI k M-1 MM R Each of the other beams corresponds to a CRI, where k m And m is an integer, k m The indexes of Ks resources used to indicate the configuration of the CSI-RS resource set, where M is the number of reported beams, and k is the number of resources.m The corresponding value is 0 ≤ k m For <Ks, m>, the corresponding value is 0 ≤ m < M. This will not be elaborated here.

[0415] The following is a CSI report containing M channel state information, and this report contains 2 parts. An example of 1 part of this report (Table 1 - 2A, Table 1 - 2B, Table 1 - 2C, Table 1 - 2D, Table 1 - 2E, Table 1 - 2F, Table 1 - 2G, Table 1 - 2H, Table 1 - 2J, Table 1 - 2K, Table 1 - 2L, Table 1 - 2M, Table 1 - 2N, Table 1 - 2O, Table 1 - 2P, Table 1 - 2Q).

[0416] In another possible implementation, the above M reference signal resources include M R reference signal resources configured by an access network device. When the CSI fields corresponding to the M reference signal resources are arranged in the order of CRI, the CSI fields corresponding to the M R reference signal resources do not include CRI.

[0417] Case #4: Each CSI field in the above CSI report includes a first field. This case #4 can be applied to the above Scheme #A.

[0418] In a possible implementation, the bit position index of the first field in the CSI fields corresponding to different reference signal resources is the same.

[0419] When the bit position index of the first field in the CSI fields corresponding to different reference signal resources is the same, the specific implementation of the first field can refer to the description in the Chinese patent application with the application number 202411660988.4, in Case #4, regarding "In a possible implementation, the bit position index of the first field in the CSI fields corresponding to different reference signal resources is the same.", and this application will not elaborate here.

[0420] In a possible implementation, the bit position index of the first field in the CSI fields corresponding to at least two different reference signal resources is different.

[0421] When the bit position index of the first field in the CSI fields corresponding to at least two different reference signal resources is different, the specific implementation of the first field can refer to the description in the Chinese patent application with the application number 202411660988.4, in Case #4, regarding "In a possible implementation, the bit position index of the first field in the CSI fields corresponding to at least two different reference signal resources is different.", and this application will not elaborate here.

[0422] In some possible implementations, among the CSI fields corresponding to different reference signal resources, the bit position index of the first field in the CSI field corresponding to the first type of reference signal resource can be lower than the bit position index of the first field in the CSI field corresponding to the second type of reference signal resource.

[0423] In some possible implementations, among the CSI fields corresponding to different reference signal resources, the bit position index of the first field in the CSI field corresponding to the first type of reference signal resource can be higher than the bit position index of the first field in the CSI field corresponding to the second type of reference signal resource.

[0424] For several cases where the bit position index of the first field in the CSI field corresponding to the first type of reference signal resource is different from the bit position index of the first field in the CSI field corresponding to the second type of reference signal resource, reference can be made to the description in the part about "several cases where the bit position index of the first field in the CSI field corresponding to the first type of reference signal resource is different from the bit position index of the first field in the CSI field corresponding to the second type of reference signal resource" in Case #4 of the Chinese patent application with the application number 202411660988.4. This application will not elaborate here.

[0425] Case #5: One CSI field in the above CSI report includes the first field. This Case #5 can be applied to the above Solution #B.

[0426] In a possible implementation, the CSI field corresponding to the M'-th reference signal resource among M reference signal resources includes the first field. 0 < M' < M + 1. For example, the CSI field corresponding to the 1st reference signal resource among M reference signal resources includes the first field; for another example, the CSI field corresponding to the last 1st reference signal resource among M reference signal resources includes the first field; for another example, the CSI field corresponding to the 1st reference signal resource among M reference signal resources includes the first field; for another example, the CSI field corresponding to the last 1st reference signal resource among M reference signal resources includes the first field; for another example, the CSI field corresponding to the 1st reference signal resource among M reference signal resources excluding the M reference signal resources includes the first field; for another example, the CSI field corresponding to the last 1st reference signal resource among M reference signal resources excluding the M reference signal resources includes the first field; and so on, which is not limited here. R 个参考信号资源中的第1个参考信号资源对应的CSI字段包括第一字段;再例如,M R 个参考信号资源中的最后1个参考信号资源对应的CSI字段包括第一字段;再例如,M个参考信号资源中除M R 个参考信号资源外的第1个参考信号资源对应的CSI字段包括第一字段;再例如,M个参考信号资源中除M R 个参考信号资源外的最后1个参考信号资源对应的CSI字段包括第一字段;等等,对此不予限定。

[0427] For example, as described above, among M reference signal resources, M ROne reference signal resource can be a high-priority resource, and among the M reference signal resources, M excluding M R MM outside of a reference signal resource R A reference signal resource can be any reference signal resource other than a high-priority resource.

[0428] In one possible implementation, the CSI field corresponding to the M'-th reference signal resource contains zero-padding bits O. P,M Indicates the zero-filling bits associated with M reference signal resources.

[0429] When the zero-padding bit O is in the CSI field corresponding to the M'th reference signal resource P,M When indicating the zero-padding bits associated with M reference signal resources, the specific implementation of the first field can be found in Chinese Patent Application No. 202411660988.4, Case #5, regarding "In one possible implementation, the zero-padding bit O in the CSI field corresponding to the M'th reference signal resource..." P,M The description of the section "Indicates the zero-padding bits associated with M reference signal resources" is not repeated here.

[0430] Scenario #6: The two CSI fields in the above CSI report include the first field. Scenario #6 applies to Scheme #B above.

[0431] In one possible implementation, among the M reference signal resources, the CSI fields corresponding to two different reference signal resources include the first field.

[0432] In one possible implementation, the bit position indices of the first field in the CSI field are different for two different reference signal resources.

[0433] When the bit position indices of the first field in the CSI field corresponding to two different reference signal resources are different, the specific implementation of the first field can be found in the description of the first field in Case #6 of Chinese Patent Application No. 202411660988.4, which states that "in one possible implementation, the bit position indices of the first field in the CSI field corresponding to two different reference signal resources are different." This application will not repeat the description here.

[0434] In one possible implementation, the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 .

[0435] When the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 For a specific implementation of the first field, please refer to Chinese Patent Application No. 202411660988.4, Situation #6, which states that "in one possible implementation, the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource." The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 The description of the "..." part will not be repeated here.

[0436] In one possible implementation, the bit position indices of the first field in the CSI fields corresponding to two different reference signal resources are the same.

[0437] When the bit position index of the first field in the CSI field corresponding to two different reference signal resources is the same, the specific implementation of the first field can be found in the description of the first field in Case #6 of Chinese Patent Application No. 202411660988.4, which states that "in one possible implementation, the bit position index of the first field in the CSI field corresponding to two different reference signal resources is the same." This application will not repeat the description here.

[0438] In Tables 1-2A, 1-2B, 1-2C, 1-2D, 1-2E, 1-2F, 1-2G, 1-2H, 1-2J, 1-2K, 1-2L, 1-2M, 1-2N, 1-2O, 1-2P, and 1-2Q, M CRI values ​​are listed as CRI k0, CRI k1, ..., CRI CRI CRI k M-1 The indication is in the form of CRI k0, CRI k1, ..., CRI k0, where CRI k0, CRI k1, ..., CRI k1, ..., CRI k2 ... It is the former M R CRI corresponding to a high-priority beam or high-priority resource, CRI CRI k M-1 MM R Each of the other beams corresponds to a CRI, where k m And m is an integer, k m The indexes of Ks resources used to indicate the configuration of the CSI-RS resource set, where M is the number of reported beams, and k is the number of resources.m The corresponding value is 0 ≤ k m The corresponding value of <Ks, m> is 0 ≤ m < M. This will not be elaborated further here.

[0439] The following is a CSI report containing M channel state information, and this report contains two parts. An example for part 1 (such as Table 2-1A, Table 2-1B, Table 2-1C, Table 2-1D, Table 2-1E, Table 2-1F, Table 2-1G, Table 2-1H, Table 2-1J, etc.).

[0440] In a possible implementation, the CSI fields corresponding to M reference signal resources are arranged in the order of CRI.

[0441] Among the multiple reference signal resources configured for the terminal device for channel measurement, since the RI value of each reference signal resource is configured separately, the RI values of each reference signal resource are not necessarily the same (for example, among the multiple reference signal resources for channel measurement, the RI values of at least two reference signal resources are different). If the RI values of each reference signal resource are different, the number of bits to be reported for each reference signal resource is different, but the number of bits carried by the CSI report is fixed. Therefore, zero-padding bits need to be added to the CSI fields corresponding to the reference signal resources.

[0442] Exemplarily, if a single report needs to contain the fields corresponding to M reference signal resources (assuming M = 4), the maximum number of bits N carried by the CSI field corresponding to a single resource is calculated max = 50 bit, that is, the maximum number of bits that a single report can carry is 4 * 50 = 200 bit. Assume the number of bits to be reported for the four reference signal resources are N report,k0 = 47, N report,k1 = 47, N report,k2 = 48, N report,k3 = 48, then the number of zero-padding bits for the four reference signal resources are O P,k0 = 50 - 47 = 3, O P,k1 = 50 - 47 = 3, O P,k2 = 50 - 48 = 2, O P,k3 = 50 - 48 = 2. It can also be understood that the total number of zero-padding bits to be filled in the entire report is 3 + 3 + 2 + 2 = 10 bit.

[0443] For example, a CSI report needs to include CSI fields corresponding to four reference signal resources. Calculations show that the maximum bit capacity of the CSI field for each of these four reference signal resources is 50 bits. Therefore, the maximum bit capacity of a single CSI report is 200 bits. Assuming the number of reported bits for the four reference signal resources are 47, 47, 48, and 48 respectively, the number of zero-padding bits for each resource is 50-47=3, 50-47=3, 50-48=2, and 50-48=2 respectively. This can also be understood as the total number of zero-padding bits required for a single CSI report being 3+3+2+2=10 bits.

[0444] Zero-filled bit O P The position of this field in the CSI report needs to be determined. The following text will use a specific CSI field from the aforementioned CSI report, including the first field, where the first field indicates zero-padding bits O. P For example, zero-padding bits O in the CSI field P The location will be explained.

[0445] As an example, the position of the first field in the CSI field satisfies at least one of the following:

[0446] The first field has a higher bit position index than the second field; or,

[0447] The first field has a higher bit position index than the third field; or,

[0448] The first field has a higher bit position index than the seventh field; or,

[0449] The first field has a higher bit position index than the ninth field; or,

[0450] At least one of the second, third, seventh, and ninth fields has a higher bit position index than the first field.

[0451] For example, the first field may have a higher bit position index than at least one or more of the second, third, seventh, and ninth fields; or, the first field may have a lower bit position index than at least one or more of the second, third, seventh, and ninth fields.

[0452] For ease of reading and understanding, several possible positions of the first field are described below with examples. These examples do not constitute a limitation on the embodiments of this application. Unless otherwise specified, the first field can be located anywhere in the CSI report or anywhere within the CSI fields.

[0453] Scenario #7: Each CSI field in the above CSI report includes a first field. Scenario #7 is applicable to scenario #A above.

[0454] In one possible implementation, the bit position index of the first field in the CSI field corresponding to different reference signal resources is the same.

[0455] For example, the first field in the CSI fields corresponding to different reference signal resources has a higher bit position index than the seventh field mentioned above. The specific CSI field format is shown in Table 2-1A below. One or more of the CSI fields corresponding to the M reference signal resources included in the CSI report are arranged as follows:

[0456] {CRI, RI, zero-padding bits} are associated with the first CSI-RS resource among M reference signal resources. The first TB of broadband CQI, the first TB of subband differential CQI,

[0457] {CRI, RI, zero-padding bits} are associated with the second CSI-RS resource among M reference signal resources. The first TB of broadband CQI, the first TB of subband differential CQI,

[0458] ……,

[0459] {CRI, RI, zero-padding bits} are associated with the Mth CSI-RS resource among M reference signal resources. The first TB of broadband CQI, the first TB of subband differential CQI.

[0460] Table 2-1A

[0461] When the bit position index of the first field in the CSI field corresponding to different reference signal resources is the same, the specific implementation of the first field may also be different from that shown in Table 2-1A (for example, the bit position index of the first field may be different from that shown in Table 2-1A). The specific implementation of the first field can be found in the description of the section on “In one possible implementation, the bit position index of the first field in the CSI field corresponding to different reference signal resources is the same” in Chinese Patent Application No. 202411660988.4, which will not be repeated here.

[0462] In one possible implementation, the bit position indices of the first field in the CSI field are different for at least two different reference signal resources.

[0463] When the bit position indices of the first field in the CSI fields corresponding to at least two different reference signal resources are different, the specific implementation of the first field can refer to the description in the Chinese patent application with the application number 202411660988.4, in case #7, regarding the part "In a possible implementation, the bit position indices of the first field in the CSI fields corresponding to at least two different reference signal resources are different.", which will not be elaborated in this application.

[0464] Case #8: One of the CSI fields in the above CSI report includes the first field. This case #8 can be applied to the above solution #B.

[0465] In a possible implementation, the CSI field corresponding to the M'th reference signal resource among the M reference signal resources includes the first field. 0 < M' < M + 1. For example, the CSI field corresponding to the 1st reference signal resource among the M reference signal resources includes the first field; for another example, the CSI field corresponding to the last 1st reference signal resource among the M reference signal resources includes the first field; for another example, the CSI field corresponding to the 1st reference signal resource among the M reference signal resources includes the first field; for another example, the CSI field corresponding to the last 1st reference signal resource among the M reference signal resources includes the first field; for another example, the CSI field corresponding to the 1st reference signal resource among the M reference signal resources excluding the M reference signal resources includes the first field; for another example, the CSI field corresponding to the last 1st reference signal resource among the M reference signal resources excluding the M reference signal resources includes the first field; and so on, which is not limited herein. R 个参考信号资源中的第1个参考信号资源对应的CSI字段包括第一字段;再例如,M R 个参考信号资源中的最后1个参考信号资源对应的CSI字段包括第一字段;再例如,M个参考信号资源中除M R 个参考信号资源外的第1个参考信号资源对应的CSI字段包括第一字段;再例如,M个参考信号资源中除M R 个参考信号资源外的最后1个参考信号资源对应的CSI字段包括第一字段;等等,对此不予限定。

[0466] 例如,如前所述,M个参考信号资源中M R 个参考信号资源可以是高优先级资源,M个参考信号资源中除M R 个参考信号资源外的M - M R 个参考信号资源可以是高优先级资源以外的其他参考信号资源。

[0467] In a possible implementation, the CSI field corresponding to the M'th reference signal resource indicates the zero-padding bits associated with the M reference signal resources.

[0468] When the CSI field corresponding to the M'th reference signal resource indicates the zero-padding bit associated with the M reference signal resources, the specific implementation of the first field can be found in the description of the section "In one possible implementation, the CSI field corresponding to the M'th reference signal resource indicates the zero-padding bit associated with the M reference signal resources" in Chinese Patent Application No. 202411660988.4, and will not be repeated here.

[0469] Scenario #9: The two CSI fields in the above CSI report include the first field. Scenario #9 is applicable to Scheme #B above.

[0470] In one possible implementation, among the M reference signal resources, the CSI fields corresponding to two different reference signal resources include the first field.

[0471] In one possible implementation, the bit position indices of the first field in the CSI field are different for two different reference signal resources.

[0472] When the bit position indices of the first field in the CSI field corresponding to two different reference signal resources are different, the specific implementation of the first field can be found in the description of the first field in Case #9 of Chinese Patent Application No. 202411660988.4, which states that "in one possible implementation, the bit position indices of the first field in the CSI field corresponding to two different reference signal resources are different." This application will not repeat the description here.

[0473] In one possible implementation, the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 .

[0474] When the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 For a specific implementation of the first field, please refer to Chinese Patent Application No. 202411660988.4, Situation #9, which states that "in one possible implementation, the first field of one CSI field corresponding to the first reference signal resource among M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource." The first field in one CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bits O corresponding to the remaining reference signal resources P,M-1 For the description of the "part", it is not elaborated herein in this application

[0475] In a possible implementation, the bit position indices of the first fields in the CSI fields corresponding to two different reference signal resources are the same

[0476] When the bit position indices of the first fields in the CSI fields corresponding to two different reference signal resources are the same, the specific implementation of the first field can refer to the description of the part "In a possible implementation, the bit position indices of the first fields in the CSI fields corresponding to two different reference signal resources are the same." in Case #9 of the Chinese patent application with the application number 202411660988.4. It is not elaborated herein in this application

[0477] In the above Table 2-1A, Table 2-1B, Table 2-1C, Table 2-1D, Table 2-1E, Table 2-1F, Table 2-1G, Table 2-1H, Table 2-1J, etc., the M CRIs are indicated in the form of CRI k0, CRI k1, …, CRI CRI CRI k M-1 where CRI k0, CRI k1, …, CRI are the CRIs corresponding to the first M R high-priority beams or high-priority resources, and CRI CRI k M-1 is the CRI corresponding to M - M R other beams, where k m and m are integers, k m is the index indicating the Ks resources of the CSI-RS resource set configuration, M is the number of reported beams, and the corresponding value of k m is 0 ≤ k m < Ks, and the corresponding value of m is 0 ≤ m < M. This is not elaborated further

[0478] The following is an example of the 1 part of a CSI report that includes M channel state information and the report has 2 parts (such as Table 2-2A, Table 2-2B, Table 2-2C, Table 2-2D, Table 2-2E, Table 2-2F, Table 2-2G, Table 2-2H, Table 2-2J, Table 2-2K, Table 2-2L, Table 2-2M, Table 2-2N, Table 2-2O, Table 2-2R, Table 2-2S, Table 2-2T, Table 2-2U, etc.)

[0479] In another possible implementation, the above M reference signal resources include M RThe reference signal resources configured by an access network device. When the CSI fields corresponding to M reference signal resources are arranged in the order of CRI, M R CSI fields corresponding to the reference signal resources do not include CRI.

[0480] Scenario #10: Each CSI field in the above CSI report includes a first field. This scenario #10 can be applied to the above Solution #A.

[0481] In a possible implementation, the bit position index of the first field in the CSI fields corresponding to different reference signal resources is the same.

[0482] When the bit position index of the first field in the CSI fields corresponding to different reference signal resources is the same, the specific implementation of the first field can refer to the description of the part "In a possible implementation, the bit position index of the first field in the CSI fields corresponding to different reference signal resources is the same." in Scenario #10 of the Chinese patent application with the application number 202411660988.4, which is not elaborated herein.

[0483] In a possible implementation, the bit position indexes of the first field in the CSI fields corresponding to at least two different reference signal resources are different.

[0484] When the bit position indexes of the first field in the CSI fields corresponding to at least two different reference signal resources are different, the specific implementation of the first field can refer to the description of the part "In a possible implementation, the bit position indexes of the first field in the CSI fields corresponding to at least two different reference signal resources are different." in Scenario #10 of the Chinese patent application with the application number 202411660988.4, which is not elaborated herein.

[0485] Scenario #11: 1 CSI field in the above CSI report includes a first field. This scenario #11 can be applied to the above Solution #B.

[0486] In a possible implementation, the CSI field corresponding to the M'th reference signal resource among the M reference signal resources includes the first field. 0 < M' < M + 1. For example, the CSI field corresponding to the 1st reference signal resource among the M reference signal resources includes the first field; for another example, the CSI field corresponding to the last 1st reference signal resource among the M reference signal resources includes the first field; for another example, M R CSI fields corresponding to the 1st reference signal resource among the reference signal resources include the first field; for another example, M R CSI fields corresponding to the last 1st reference signal resource among the reference signal resources include the first field; for another example, among the M reference signal resources except MR The CSI field corresponding to the first reference signal resource other than the first reference signal resource includes the first field; for example, among the M reference signal resources, excluding M... R The CSI field corresponding to the last reference signal resource other than the first reference signal resource includes the first field; etc., without limitation.

[0487] For example, as mentioned earlier, M of the M reference signal resources R One reference signal resource can be a high-priority resource, and among the M reference signal resources, M excluding M R MM outside of a reference signal resource R A reference signal resource can be any reference signal resource other than a high-priority resource.

[0488] In one possible implementation, the CSI field corresponding to the M'th reference signal resource indicates the zero-padding bits associated with the M reference signal resources.

[0489] When the CSI field corresponding to the M'th reference signal resource indicates the zero-padding bit associated with the M reference signal resources, the specific implementation of the first field can be found in the description of the section "In one possible implementation, the CSI field corresponding to the M'th reference signal resource indicates the zero-padding bit associated with the M reference signal resources" in Chinese Patent Application No. 202411660988.4, Case #11, which will not be repeated here.

[0490] Scenario #12: The two CSI fields in the above CSI report include the first field. Scenario #12 applies to Scheme #B above.

[0491] In one possible implementation, among the M reference signal resources, the CSI fields corresponding to two different reference signal resources include the first field.

[0492] In one possible implementation, the bit position indices of the first field in the CSI field are different for two different reference signal resources.

[0493] When the bit position index of the first field in the CSI field corresponding to two different reference signal resources is different, the specific implementation of the first field can be referred to the description in Case #12 of Chinese Patent Application No. 202411660988.4 regarding "In one possible implementation, the bit position index of the first field in the CSI field corresponding to two different reference signal resources is different." This application will not repeat it here.

[0494] In one possible implementation, the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 .

[0495] When the first field of the CSI field corresponding to the first reference signal resource among the M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource. The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 For a specific implementation of the first field, please refer to Chinese Patent Application No. 202411660988.4, Situation #12, which states that "in one possible implementation, the first field of one CSI field corresponding to the first reference signal resource among M reference signal resources indicates the zero-padding bit corresponding to the first reference signal resource." The first field of the CSI field corresponding to the remaining reference signal resources among the M reference signal resources indicates the zero-padding bit O corresponding to the remaining reference signal resources. P,M-1 The description of the "..." part will not be repeated here.

[0496] In one possible implementation, the bit position indices of the first field in the CSI fields corresponding to two different reference signal resources are the same.

[0497] When the bit position index of the first field in the CSI field corresponding to two different reference signal resources is the same, the specific implementation of the first field can be found in the description of the first field in Chinese Patent Application No. 202411660988.4, Case #12, which states that "in one possible implementation, the bit position index of the first field in the CSI field corresponding to two different reference signal resources is the same." This application will not repeat the description here.

[0498] In Tables 2-2A, 2-2B, 2-2C, 2-2D, 2-2E, 2-2F, 2-2G, 2-2H, 2-2J, 2-2K, 2-2L, 2-2M, 2-2N, 2-2O, 2-2R, 2-2S, 2-2T, and 2-2U, M CRI values ​​are listed as CRI k0, CRI k1, ..., CRI CRI CRI k M-1 The indication is in the form of CRI k0, CRI k1, ..., CRI k0, where CRI k0, CRI k1, ..., CRI k1, ..., CRI k2 ... It is the former M R CRI corresponding to a high-priority beam or high-priority resource, CRI CRI k M-1 is M-M R corresponding CRI for other beams, where k m and m are integers, k m is the index of the Ks resources used to indicate the CSI-RS resource set configuration, M is the number of reported beams, k m corresponding value range is 0 ≤ k m < Ks, and the corresponding value range of m is 0 ≤ m < M. This will not be elaborated here.

[0499] In one example, the above-mentioned zero-padding bit with subscript k0 is associated with the resource corresponding to CRIk0. Even when CRIk0 is not reported, the above is just a representation form, and there is no specific limitation.

[0500] It should be understood that the content in the Chinese patent application with application number 202411660988.4 is also included in this application. For the parts not described in detail in this application (such as some tables or some situations), reference can be made to the relevant descriptions in the Chinese patent application with application number 202411660988.4.

[0501] Zero-padding bit O P The number in the CSI report needs to be determined. Later, taking the example that at least one CSI field in the above-mentioned CSI report further includes a first field, and the first field indicates the zero-padding bit O P as an example, the number of zero-padding bits O P in the CSI field will be described.

[0502] Zero-padding bit O P The number can be determined by various calculation methods, and several possible methods will be illustrated later.

[0503] In the embodiments of this application, M R reference signal resources can be understood as M R reference signal resources for reporting channel state information; or M R reference signal resources configured by the base station through high-layer signaling; or M R reference signal resources indicated by the base station through high-layer signaling; or M R high-priority reference signal resources.

[0504] In the embodiments of this application, M reference signal resources can be understood as M reference signal resources for reporting channel state information; or M reference signal resources configured by the base station through high-layer signaling; or M reference signal resources indicated by the base station through high-layer signaling; or M high-priority reference signal resources.

[0505] In the embodiments of this application, M is considered. R A high-priority beam can be understood as M R The CRI corresponding to a high-priority beam is not reported.

[0506] In the method provided in this application embodiment, if the zero-filling bit O is calculated according to a single reference signal resource... P The number of bits (e.g., zero-padded bits O) P,j Associated with one reference signal resource), which does not consider the calculation of CRI bits (e.g., cases #13, cases #15); zero-padding bits O are calculated according to multiple reference signal resources. P The number of bits (e.g., zero-padded bits O) P,M O P,M-MR Or O P,MR (Associated with at least 2 reference signal resources), the calculation of CRI bits needs to be considered (e.g., case #14, case #16).

[0507] Example of scenario #13, where the CSI report contains M channel state information items and the report consists of one part:

[0508] Method #1, consider M R One high-priority beam:

[0509] When Q is with K s -M R When considering a set of reference signal resources, the maximum number of bits N that a CRI corresponding to any one reference signal resource in the reference signal resource set Q can carry is determined. max satisfy:

[0510] Where, N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0511] N max,j satisfy:

[0512] Among them, S rank,j This represents the allowed reporting rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI.

[0513] The number of zero-padding bits corresponding to the j-th reference signal resource is O P,j Satisfy: O P,j =N max -N reported,j ,

[0514] Where, N reported,j This represents the number of bits that need to be reported for the j-th reference signal resource.

[0515] N reported,j Satisfy: N reported,j =N RI (j)+B(R j ),

[0516] Among them, R j This indicates the RI reported by CRIj.

[0517] When Q' is with M R When a set of reference signal resources is associated,

[0518] N max,j satisfy:

[0519] Among them, S rank,j This represents the allowed reporting rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI.

[0520] The number of zero-padding bits corresponding to the j-th reference signal resource is O P,j Satisfy: O P,j =N max,j -N reported,j ,

[0521] Where B(r) j ) satisfies B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ), or, B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j );

[0522] If PMI i1 is reported, N PMI,i1 (r j Satisfying the relation: or Otherwise, N PMI,i1 (r j ) = 0;

[0523] If PMI i2 is reported, N PMI,i2 (r j Satisfying the relation: or Obtain, otherwise, N PMI,i2 (r j ) = 0;

[0524] Where N1 represents the first dimension, O1 represents the oversampling factor of the first dimension, N2 represents the second dimension, and O2 represents the oversampling factor of the second dimension; the specific meaning of any of N1, O1, N2, and O2 can also be found in section 5.2.2.2.1 of TS 38.214.

[0525] If CQI reports, N CQI (r j The value N can be at least one of 2, 4, and 6; otherwise, N... CQI (r j ) = 0;

[0526] If LI reports, N LI (r j It can satisfy or Where υ can take one or more values ​​from 1, 2, 3, 4, 5, 6, 7, 8; otherwise, N LI (r j ) = 0.

[0527] In this embodiment of the application, K s In a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0528] For example, Q can be represented as K s K in a reference signal resource s -M R A resource set formed by a set of reference signal resources, Q' can represent K. s M in a reference signal resource R A set of resources formed by a reference signal resource.

[0529] In one example, K s =8,K s The Channel State Information Reference Signal Resource Index (CRI) corresponds to {0,1,2,3,4,5,6,7}, M. R =2,M R If the Channel State Information Reference Signal Resource Index (CRI) corresponds to {1,2}, then Ks -M R The CRI of each reference signal resource corresponds to {0,3,4,5,6,7}, and j can take any one of {0,3,4,5,6,7}.

[0530] This can be understood as, when Q is represented by K s K in a reference signal resource s -M R If a resource set is formed by a set of reference signal resources, then the CRIs corresponding to the reference signal resources in the resource set Q are {0, 3, 4, 5, 6, 7}, and j can take any one of {0, 3, 4, 5, 6, 7}. When Q' is represented as K s M in a reference signal resource R If a set of reference signal resources is formed, then the CRI corresponding to the reference signal resources in the resource set Q' corresponds to {1,2}, and j can take any item in {1,2}.

[0531] Method #2, without considering M R One high-priority beam:

[0532] The maximum number of bits N that a CRI can carry for any reference signal resource in the reference signal resource set Q is . max satisfy:

[0533] Where Q is related to K s A set of reference signal resources. N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0534] N max,j satisfy:

[0535] Among them, S rank,j This represents the allowed reporting rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI.

[0536] The number of zero-padding bits corresponding to the j-th reference signal resource is O P,j Satisfy: O P,j =N max -N reported,j ,

[0537] Where, N reported,j This represents the number of bits that need to be reported for the j-th reference signal resource.

[0538] N reported,j Satisfy: Nreported,j =N RI (j)+B(R j ),

[0539] Among them, R j This indicates the RI reported by CRIj.

[0540] Where B(r) j ) satisfies B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ), or, B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j );

[0541] If PMI i1 is reported, N PMI,i1 (r j Satisfying the relation: or Otherwise, N PMI,i1 (r j ) = 0;

[0542] If PMI i2 is reported, N PMI,i2 (r j Satisfying the relation: or Obtain, otherwise, N PMI,i2 (r j ) = 0;

[0543] Where N1 represents the first dimension, O1 represents the oversampling factor of the first dimension, N2 represents the second dimension, and O2 represents the oversampling factor of the second dimension; the specific meaning of any of N1, O1, N2, and O2 can also be found in section 5.2.2.2.1 of TS 38.214.

[0544] If CQI reports, N CQI (r j The value N can be at least one of 2, 4, and 6; otherwise, N... CQI (r j ) = 0; if LI reports, N LI (r j It can satisfy or Where υ can take one or more values ​​from 1, 2, 3, 4, 5, 6, 7, 8; otherwise, N LI (r j ) = 0.

[0545] For example, Q includes K s K in a reference signal resource s One reference signal resource.

[0546] In this embodiment of the application, K s In a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0547] For example, K s The Channel State Information Reference Signal Resource Index (CRI) in Q corresponds to {0,1,2,3,4,5,6,7}, and j can take any one of {0,1,2,3,4,5,6,7}.

[0548] Scenario #14: The CSI report contains M channel state information items, and the report consists of two parts. An example of the first part (part 1) is as follows:

[0549] Method #3, consider M R One high-priority beam:

[0550] When Q is with K s -M R A set of reference signal resources Q, where each reference signal resource in the set Q represents a CRI that can carry a maximum of N bits. max satisfy:

[0551] Where, N j This indicates the number of bits corresponding to the RI field associated with CRIj, where j represents the index value of CRI. max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0552] N max,j satisfy:

[0553] The number of zero-padding bits corresponding to the j-th reference signal resource is O P,j Satisfy: O P,j =Nmax -N reported,j ,

[0554] Where, N reported,j This indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0555] In some possible implementations,

[0556] When Q' is with M R When a set of reference signal resources is associated,

[0557] N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0558] N max,j satisfy:

[0559] The number of zero-padding bits corresponding to the j-th reference signal resource is O P,j Satisfy: O P,j =N max,j -N reported,j ,

[0560] In one example of the embodiments of this application, N(r) j ) = N RI (j).

[0561] For example, Q includes K s K in a reference signal resource s -M R A reference signal resource, Q' includes K s M in a reference signal resource R One reference signal resource.

[0562] In this embodiment of the application, K s In a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0563] For example, Q can be represented as K s K in a reference signal resource s -M R A resource set formed by a set of reference signal resources, Q' can represent K. s M in a reference signal resource R A set of resources formed by a reference signal resource.

[0564] In one example, Ks =8,K s The Channel State Information Reference Signal Resource Index (CRI) corresponds to {0,1,2,3,4,5,6,7}, M. R =2,M R If the Channel State Information Reference Signal Resource Index (CRI) corresponds to {1,2}, then K s -M R The CRI of each reference signal resource corresponds to {0,3,4,5,6,7}, and j can take any one of {0,3,4,5,6,7}.

[0565] This can be understood as, when Q is represented by K s K in a reference signal resource s -M R If a resource set Q is formed by a set of reference signal resources, then the CRIs corresponding to the reference signal resources in the resource set Q are {0, 3, 4, 5, 6, 7}, where j can take any one of {0, 3, 4, 5, 6, 7}. Q' is denoted as K. s M in a reference signal resource R If a set of reference signal resources is formed, then the CRI corresponding to the reference signal resources in the resource set Q' corresponds to {1,2}, and j can take any item in {1,2}.

[0566] Method #4, without considering M R One high-priority beam:

[0567] The maximum number of bits N that a CRI can carry for any reference signal resource in the reference signal resource set Q is . max satisfy:

[0568] Where, N j This indicates the number of bits corresponding to the RI field associated with CRIj, where j represents the index value of CRI. max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0569] N max,j satisfy:

[0570] For example, Q includes K s K in a reference signal resource s One reference signal resource.

[0571] The number of zero-padding bits corresponding to the j-th reference signal resource is O P,j Satisfy: O P,j =N max -Nreported,j ,

[0572] Where, N reported,j This indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0573] In some possible implementations,

[0574] In one example, N(r) j ) = N RI (j). This does not constitute a limitation on the present invention.

[0575] Example of scenario #15, where the CSI report contains M channel state information items and the report consists of one part:

[0576] Method #5, consider M R One high-priority beam:

[0577] M R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,MR satisfy: or N max,MR =∑ j∈Q N max,j

[0578] MM R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,M-MR satisfy:

[0579]

[0580] Where Q is related to M R A set of reference signal resources, Q' is related to K. s -M R A set of reference signal resources, where Q” is related to MM. R A set of reference signal resources. N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0581] N max,j satisfy:

[0582] Among them, S rank,j This represents the allowed reporting rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI.

[0583] M R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,MR =N max,MR -N reported,MR ,

[0584] Where, N reported,MR M represents R The number of bits that need to be reported for each reference signal resource

[0585] N reported,MR Satisfy: N reported,MR =∑ j∈Q N reported,j N reported,j =N RI (j)+B(R j ),

[0586] Among them, R j This indicates the RI reported by CRIj.

[0587] MM R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,M-MR =N max,M-MR -N reported,M-MR ,

[0588] Where, N reported,M-MR MM R The number of bits that need to be reported for each reference signal resource

[0589] N reported,M-MR Satisfy: N reported,M-MR =∑ j∈Q″ N reported,j N reported,j =N RI (j)+B(R j ),

[0590] Among them, R j This indicates the RI reported by CRIj.

[0591] Where B(r) j ) satisfies B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ), or, B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (rj )+N CQI (r j )+N LI (r j );

[0592] If PMI i1 is reported, N PMI,i1 (r j Satisfying the relation: or Otherwise, N PMI,i1 (r j ) = 0;

[0593] If PMI i2 is reported, N PMI,i2 (r j Satisfying the relation: or Obtain, otherwise, N PMI,i2 (r j ) = 0;

[0594] Where N1 represents the first dimension, O1 represents the oversampling factor of the first dimension, N2 represents the second dimension, and O2 represents the oversampling factor of the second dimension; the specific meaning of any of N1, O1, N2, and O2 can also be found in section 5.2.2.2.1 of TS 38.214.

[0595] If CQI reports, N CQI (r j The value N can be at least one of 2, 4, and 6; otherwise, N... CQI (r j ) = 0; if LI reports, N LI (r j It can satisfy or Where υ can take one or more values ​​from 1, 2, 3, 4, 5, 6, 7, 8; otherwise, N LI (r j ) = 0.

[0596] For example, Q includes M R M in a reference signal resource R A reference signal resource, Q' includes K s K in a reference signal resource s -M R A reference signal resource, Q” includes K s MM in a reference signal resource R One reference signal resource.

[0597] In this embodiment of the application, K sIn a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0598] For example, K s The Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 3, 4, 5, 6, 7}, and the Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 4}, and M R If the Channel State Information Reference Signal Resource Index (CRI) in Q corresponds to {1,2}, then the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {1,2}, and j can take any one of {1,2}; the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {0,3,4,5,6,7}, and j can take any one of {0,3,4,5,6,7}. The Channel State Information Reference Signal Resource Index (CRI) in Q” corresponds to {0,4}, and j can take any one of {0,4}.

[0599] Method #6, consider M R One high-priority beam:

[0600] K S The maximum number of bits that a CRI can carry for each reference signal resource is N. max Satisfy: N max =N max,MR +N max,Ks-MR

[0601] M R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,MR satisfy:

[0602] or N max,MR =∑ j∈Q N max,j

[0603] MM R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,M-MR satisfy:

[0604]

[0605] Where Q is related to M R A set of reference signal resources, Q' is related to K. s -M RA set of reference signal resources, Q” is related to MM R A set of reference signal resources. N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0606] N max,j satisfy:

[0607]

[0608] Among them, S rank,j This represents the allowed reporting rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI.

[0609] M R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,MR =N max,MR -N reported,MR ,

[0610] Where, N reported,MR M represents R The number of bits that need to be reported for each reference signal resource

[0611] N reported,MR Satisfy: N reported,MR =∑ j∈Q N reported,j N reported,j =N RI (j)+B(R j ),

[0612] Among them, R j This indicates the RI reported by CRIj.

[0613] MM R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,M-MR =N max,M-MR -N reported,M-MR ,

[0614] Where, N reported,M-MR MM R The number of bits that need to be reported for each reference signal resource

[0615] N reported,M-MR Satisfy: N reported,M-MR =∑ j∈Q″ N reported,j N reported,j =N RI (j)+B(Rj ),

[0616] Among them, R j This indicates the RI reported by CRIj.

[0617] Where B(r) j ) satisfies B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ), or, B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j );

[0618] If PMI i1 is reported, N PMI,i1 (r j Satisfying the relation: or Otherwise, N PMI,i1 (r j ) = 0;

[0619] If PMI i2 is reported, N PMI,i2 (r j Satisfying the relation: or Obtain, otherwise, N PMI,i2 (r j ) = 0;

[0620] Where N1 represents the first dimension, O1 represents the oversampling factor of the first dimension, N2 represents the second dimension, and O2 represents the oversampling factor of the second dimension; the specific meaning of any of N1, O1, N2, and O2 can also be found in section 5.2.2.2.1 of TS 38.214.

[0621] If CQI reports, N CQI (r j The value N can be at least one of 2, 4, and 6; otherwise, N... CQI (r j ) = 0; if LI reports, N LI (r j It can satisfy or Where υ can take one or more values ​​from 1, 2, 3, 4, 5, 6, 7, 8; otherwise, NLI (r j ) = 0.

[0622] For example, Q includes M R M in a reference signal resource R A reference signal resource, Q' includes K s K in a reference signal resource s -M R A reference signal resource, Q” includes K s MM in a reference signal resource R One reference signal resource.

[0623] In this embodiment of the application, K s In a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0624] For example, K s The Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 3, 4, 5, 6, 7}, and the Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 4}, and M R If the Channel State Information Reference Signal Resource Index (CRI) in Q corresponds to {1,2}, then the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {1,2}, and j can take any one of {1,2}; the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {0,3,4,5,6,7}, and j can take any one of {0,3,4,5,6,7}. The Channel State Information Reference Signal Resource Index (CRI) in Q” corresponds to {0,4}, and j can take any one of {0,4}.

[0625] Method #7, without considering M R One high-priority beam:

[0626] The maximum number of bits that a CRI can carry for M reference signal resources is N. max satisfy:

[0627] Where Q is related to K S A set of reference signal resources. N max,j This indicates the maximum load of the CSI field associated with CRIj, where j represents the index value of CRI.

[0628] N max,j satisfy:

[0629] Among them, S rank,j This represents the allowed reporting rank r corresponding to CRIj. j The set of N RI (j) represents the RI reported by the j-th CRI.

[0630] The number of zero-padding bits corresponding to the M reference signal resources is O P Satisfy: O P =N max -N reported ,

[0631] Where, N reported This indicates the number of bits that need to be reported for the M reference signal resources.

[0632] N reported Satisfy: N reported =∑ j∈Q N reported,j N reported,j =N RI (j)+B(R j ),

[0633] Among them, R j This indicates the RI reported by CRIj.

[0634] Where B(r) j ) satisfies B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ), or, B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j );

[0635] If PMI i1 is reported, N PMI,i1 (r j Satisfying the relation: or Otherwise, N PMI,i1 (r j ) = 0;

[0636] If PMI i2 is reported, N PMI,i2 (r j Satisfying the relation: or Obtain, otherwise, N PMI,i2 (r j ) = 0;

[0637] Where N1 represents the first dimension, O1 represents the oversampling factor of the first dimension, N2 represents the second dimension, and O2 represents the oversampling factor of the second dimension; the specific meaning of any of N1, O1, N2, and O2 can also be found in section 5.2.2.2.1 of TS 38.214.

[0638] If CQI reports, N CQI (r j The value N can be at least one of 2, 4, and 6; otherwise, N... CQI (r j ) = 0;

[0639] If LI reports, N LI (r j It can satisfy or Where υ can take one or more values ​​from 1, 2, 3, 4, 5, 6, 7, 8; otherwise, N LI (r j ) = 0.

[0640] For example, Q includes K S K in a reference signal resource S One reference signal resource.

[0641] In this embodiment of the application, K s In a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0642] For example, K s The Channel State Information Reference Signal Resource Index (CRI) in Q corresponds to {0,1,2,3,4,5,6,7}, and j can take any one of {0,1,2,3,4,5,6,7}.

[0643] Scenario #16: The CSI report contains M channel state information entries, and the report consists of two parts. An example of the first part (part 1) is as follows:

[0644] Method #8, consider M R One high-priority beam:

[0645] M R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,MR satisfy:

[0646] or N max,MR =∑ j∈Q N max,j

[0647] MM R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,M-MR satisfy:

[0648] Where Q is related to M R A set of reference signal resources, Q' is related to K. s -M R A set of reference signal resources. "Q" is related to MM. R A set of reference signal resources, N(r) j The number of RI fields associated with CRIj is represented by , where j represents the index value of CRI.

[0649] N max,j satisfy:

[0650] M R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,MR =N max,MR -N reported,MR ,

[0651] Where, N reported,MR M represents R The number of bits that need to be reported for each reference signal resource

[0652] N reported,MR Satisfy: N reported,MR =∑ j∈Q N reported,j ,

[0653] Where, N reported,j This indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0654] MM R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,M-MR =N max,M-MR -N reported,M-MR ,

[0655] Where, N reported,M-MR MM R The number of bits that need to be reported for each reference signal resource

[0656] N reported,M-MR Satisfy: N reported,M-MR =∑ j∈Q″ N reported,j ,

[0657] Where, N reported,j This indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0658] In one example, N(r) j ) = N RI (j), with no specific restrictions.

[0659] For example, Q includes M R M in a reference signal resource R A reference signal resource, Q' includes K s K in a reference signal resource s -M R A reference signal resource, Q” includes K s MM in a reference signal resource R One reference signal resource.

[0660] In this embodiment of the application, K s In a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0661] For example, K s The Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 3, 4, 5, 6, 7}, and the Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 4}, and M R If the Channel State Information Reference Signal Resource Index (CRI) in Q corresponds to {1,2}, then the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {1,2}, and j can take any one of {1,2}; the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {0,3,4,5,6,7}, and j can take any one of {0,3,4,5,6,7}. The Channel State Information Reference Signal Resource Index (CRI) in Q” corresponds to {0,4}, and j can take any one of {0,4}.

[0662] Method #10, without considering M ROne high-priority beam:

[0663] K s The maximum number of bits that a CRI can carry for each reference signal resource is N. max Satisfy: N max =N max,MR +N max,M-MR

[0664] M R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,MR satisfy:

[0665] or N max,MR =∑ j∈Q N max,j

[0666] MM R The maximum number of bits that a CRI can carry for each reference signal resource is N. max,M-MR satisfy:

[0667] Where Q is related to M R A set of reference signal resources, Q' is related to K. s -M R A set of reference signal resources. "Q" is related to MM. R A set of reference signal resources, N(r) j The number of RI fields associated with CRIj is represented by , where j represents the index value of CRI.

[0668] N max,j satisfy:

[0669] M R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,MR =N max,MR -N reported,MR ,

[0670] Where, N reported,MR M represents R The number of bits that need to be reported for each reference signal resource

[0671] N reported,MR Satisfy: N reported,MR =∑ j∈Q N reported,j ,

[0672] Where, N reported,jThis indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0673] MM R The number of zero-padding bits corresponding to each reference signal resource is O P Satisfy: O P,M-MR =N max,M-MR -N reported,M-MR ,

[0674] Where, N reported,M-MR MM R The number of bits that need to be reported for each reference signal resource

[0675] N reported,M-MR Satisfy: N reported,M-MR =∑ j∈Q″ N reported,j ,

[0676] Where, N reported,j This indicates the number of bits occupied by the field containing the RI that the j-th reference signal resource needs to report.

[0677] In one example, N(r) j ) = N RI (j), with no specific restrictions.

[0678] For example, Q includes M R M in a reference signal resource R A reference signal resource, Q' includes K s K in a reference signal resource s -M R A reference signal resource, Q” includes K s MM in a reference signal resource R One reference signal resource.

[0679] In this embodiment of the application, K s In a reference signal resource, the Channel State Information Reference Signal Resource Index (CRI) can take the values ​​{1, 2, ..., K}. s} or {0,1,……,K s Any one of the following: -1}

[0680] For example, K s The Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 3, 4, 5, 6, 7}, and the Channel State Information Reference Signal Resource Index (CRI) in M ​​corresponds to {0, 1, 2, 4}, and M RIf the Channel State Information Reference Signal Resource Index (CRI) in Q corresponds to {1,2}, then the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {1,2}, and j can take any one of {1,2}; the Channel State Information Reference Signal Resource Index (CRI) in Q' corresponds to {0,3,4,5,6,7}, and j can take any one of {0,3,4,5,6,7}. The Channel State Information Reference Signal Resource Index (CRI) in Q” corresponds to {0,4}, and j can take any one of {0,4}.

[0681] For example, S rank,j ={1,…,r max}, where r max This indicates the maximum number of streams or layers supported by the terminal device. max You can choose 4 or 8.

[0682] For example, the maximum RI supported by the terminal device is 8 streams or 8 layers, S rank,j It can take any one of {1,2,3,4,5,6,7,8}; or, the terminal device supports a maximum RI of 4 streams or 4 layers, S rank,j You can choose any one of {1,2,3,4}.

[0683] For example, υ in the above description can also be understood as the rank of the candidate, such as taking at least one item from the set {1,2,3,4,5,6,7,8}.

[0684] In one example, the above MR can be understood as M R， Both refer to the number of high-priority resources configured or indicated by the base station through higher-layer signaling.

[0685] In one example, O P,M-MR This represents the number, quantity, or number of zero-padding bits corresponding to M-MR reference signal resources out of M reported reference signal resources; O P,MR This represents the number, quantity, or number of zero-padding bits corresponding to MR reference signal resources out of M reported reference signal resources; there is no specific restriction, O P,M This indicates the number, quantity, or number of zero-padding bits corresponding to the M reported reference signal resources; O P,M-1 This indicates the number, quantity, or number of zero-padding bits corresponding to M-1 reference signal resources out of M reported reference signal resources; no specific restriction is imposed.

[0686] In one example, at least one of the methods involved in scenarios #1 to #12 above can be used alone; at least one of the methods involved in scenarios #13 to #16 above can be used alone; provided there is no contradiction, at least one of the methods involved in scenarios #1 to #12 above can also be used in combination with at least one of the methods involved in scenarios #13 to #16 above; provided there is no contradiction, the methods involved in scenarios #13 to #16 above can be used in combination. This application does not impose any limitations on this.

[0687] In one example, the number of zero-padding bits in at least one of the tables 1-1 to 2-2U above can be determined by the base station or based on information configured by the base station.

[0688] For example, consider M R For each reference signal resource, the CSI field does not include the CRI field. The value of RI is determined or configured by the base station. The number of zero-padding bits can be determined by the base station based on the value of RI and sent to the terminal device. Alternatively, the number of zero-padding bits can be determined by the terminal device based on the value of RI.

[0689] The number of zero-padded bits in at least one of the above Tables 1-1 to 2-2U can be determined by this method.

[0690] In one example, at least one of the items in Tables 1-1 to 2-2U above can be used in combination with at least one formula in the methods involved in Situations #13 to #16 above.

[0691] For example, the number of zero-padded bits in at least one of Tables 1-1 to 2-2U above can be determined by at least one of the methods involved in Cases #13 to #16 above.

[0692] For example, at least one of the methods involved in scenario #1 above can be used in combination with at least one of the methods involved in scenario #13 above.

[0693] For example, the position of zero-bit stuffing is determined by at least one of the methods involved in scenario #1 above, and the number of zero-bit stuffings is determined by at least one of the methods involved in scenario #13 above; or, the zero-stuffing bits O corresponding to each of the M reference signal resources is determined by method #1 involved in scenario #13 above. P,j And zero-filling bits O corresponding to the 2nd to Mth reference signal resources. P,j The summation is performed, and the result can be used as the zero-padding bit O in case #3 or case #6. P,M-1 The number.

[0694] It should be noted that this application illustrates various possible formats for channel state information fields reported by terminal devices. For example, Tables 1-1 to 2-2U (Tables 1-1A, 1-1B, 1-1C, 1-1D, 1-1E, 1-1F, 1-1G, 1-1H, 1-1J, 1-1K, 1-1L, 1-1M, 1-1N, 1-1O, 1-1P, 1-2, 1-2A, 1-2B, 1-2C, 1-2D, 1-2E, 1-2F, 1-2G, 1-2H, 1-2J, 1-2K, 1-2L, 1-2M, 1-2N, 1-2O, 1-2P) are shown. Tables 1-2Q, 2-1, 2-1A, 2-1B, 2-1C, 2-1D, 2-1E, 2-1F, 2-1G, 2-1H, 2-1J, 2-2A, 2-2B, 2-2C, 2-2D, 2-2E, 2-2F, 2-2G, 2-2H, 2-2J, 2-2K, 2-2L, 2-2M, 2-2N, 2-2O, 2-2R, 2-2S, 2-2T, and 2-2U are provided as illustrative examples only and should not be construed as limiting the embodiments of this application. Any reasonable modifications, additions, or deletions to the contents of Tables 1-1 to 2-2U resulting in new table contents are all within the protection scope of the embodiments of this application. In one example, the priority value Pri of channel state information... iCSI Satisfying the following relationship: Pri iCSI (y,k,c,s)=2·N cells ·M s ·y+N cells ·M s ·k+M s •c+s; In this embodiment, • can represent multiplication, which will not be elaborated further.

[0695] Specifically, for aperiodic CSI reports, y = 0 will be hosted on PUSCH; for semi-static (or semi-persistent) CSI reports, y = 1 will be hosted on PUSCH; for semi-static (or semi-persistent) CSI reports, y = 2 will be hosted on PUCCH; and for periodic CSI reports, y = 3 will be hosted on PUCCH.

[0696] For CSI reports carrying Layer 1 RSRP (L1-RSRP) or Layer 1 SINR (L1-SINR), k = 0; for CSI reports not carrying L1-RSRP or L1-SINR, k = 1.

[0697] c is the serving cell index, Ncells The value of the higher-level parameter maxNrofServingCells can be understood as the maximum number of serving cells;

[0698] In one implementation, for a CSI report configured with LTM-CSI-ReportConfig, c is the serving cell index value configured in the report.

[0699] s is reportConfigID, M s The value of the high-level parameter maxNrofCSI-ReportConfigurations represents the maximum number of CSI report configurations.

[0700] The specific meanings of the parameters described above can also be found in section 5.2.5 of TS 38.214 (5.2.5 Priority rules for CSI reports).

[0701] In one example, the priority value Pri of the channel state information iCSI Satisfying the following relationship: Pri iCSI (y,k,c,s,m,M)=2·2·N cells ·M s ·M max ·y+2·N cells ·M s ·M max ·k+2·M s ·M max ·c+2·M max ·s+M·m,

[0702] Specifically, for non-periodic CSI reports, y = 0 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 1 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 2 will be carried on PUCCH; and for periodic CSI reports, y = 3 will be carried on PUCCH.

[0703] For CSI reports carrying L1-RSRP or L1-SINR, k=0; for CSI reports not carrying L1-RSRP or L1-SINR, k=1.

[0704] c is the serving cell index, N cells The value of the higher-level parameter maxNrofServingCells;

[0705] In one implementation, for a CSI report configured with LTM-CSI-ReportConfig, c is the serving cell index value configured in the report.

[0706] s is reportConfigID, M s This is the value of the high-level parameter maxNrofCSI-ReportConfigurations.

[0707] The specific meanings of the parameters described above can also be found in section 5.2.5 of TS 38.214 (5.2.5 Priority rules for CSI reports).

[0708] M represents the number of resources reported in a single report. max This indicates the maximum number of resources reported in some or all CSI reports. m=0 indicates the reporting priority corresponding to Rel-18 and earlier protocols, and m=1 indicates the priority of reporting M resources.

[0709] In one example, the priority value Pri of the channel state information iCSI Satisfying the following relationship: Pri iCSI (y,k,c,s,m,M,M R )=2·2·N cells ·M s ·M max ·y+2·N cells ·M s ·M max ·k+2·M s ·M max ·c+2·M max ·s+(MM R )·m,

[0710] Specifically, for non-periodic CSI reports, y = 0 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 1 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 2 will be carried on PUCCH; and for periodic CSI reports, y = 3 will be carried on PUCCH.

[0711] For CSI reports carrying L1-RSRP or L1-SINR, k=0; for CSI reports not carrying L1-RSRP or L1-SINR, k=1.

[0712] c is the serving cell index, N cells The value of the higher-level parameter maxNrofServingCells;

[0713] In one implementation, for a CSI report configured with LTM-CSI-ReportConfig, c is the serving cell index value configured in the report.

[0714] s is reportConfigID, M s This is the value of the high-level parameter maxNrofCSI-ReportConfigurations.

[0715] The specific meanings of the parameters described above can also be found in section 5.2.5 of TS 38.214 (5.2.5 Priority rules for CSI reports).

[0716] M represents the number of resources reported in a single report. max This indicates the maximum number of resources reported in some or all CSI reports. m=0 indicates the reporting priority corresponding to Rel-18 and earlier protocols, and m=1 indicates the priority for reporting M resources. R This indicates the number of resources configured by the base station through higher-layer signaling, or the number of high-priority resources.

[0717] In one example, the priority value Pri of the channel state information iCSI Satisfying the following relationship: Pri iCSI (y,k,c,s,m,M R )=2·2·N cells ·M s ·M max ·y+2·N cells ·M s ·M max ·k+2·M s ·M max ·c+2·M max ·s+M R ·m,

[0718] Specifically, for non-periodic CSI reports, y = 0 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 1 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 2 will be carried on PUCCH; and for periodic CSI reports, y = 3 will be carried on PUCCH.

[0719] For CSI reports carrying L1-RSRP or L1-SINR, k=0; for CSI reports not carrying L1-RSRP or L1-SINR, k=1.

[0720] c is the serving cell index, N cells The value of the higher-level parameter maxNrofServingCells;

[0721] In one implementation, for a CSI report configured with LTM-CSI-ReportConfig, c is the serving cell index value configured in the report.

[0722] s is reportConfigID, M s This is the value of the high-level parameter maxNrofCSI-ReportConfigurations.

[0723] The specific meanings of the parameters described above can also be found in section 5.2.5 of TS 38.214 (5.2.5 Priority rules for CSI reports).

[0724] M represents the number of resources reported in a single report. max This indicates the maximum number of resources reported in some or all CSI reports. m=0 indicates the reporting priority corresponding to Rel-18 and earlier protocols, and m=1 indicates the priority for reporting M resources. R This indicates the number of resources configured by the base station through higher-layer signaling, or the number of high-priority resources.

[0725] In one example, the priority value Pri of the channel state information iCSI Satisfying the following relationship: Pri iCSI (y,k,c,s,M)=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·M+s,

[0726] or,

[0727] Pri iCSI (y,k,c,s,M,M R )=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·(MM R )+s,

[0728] or,

[0729] Pri iCSI(y,k,c,s,M R )=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·M R +s,

[0730] or,

[0731] Pri iCSI (y,k,c,s,m)=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·m+s,

[0732] Specifically, for non-periodic CSI reports, y = 0 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 1 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 2 will be carried on PUCCH; and for periodic CSI reports, y = 3 will be carried on PUCCH.

[0733] For CSI reports carrying L1-RSRP or L1-SINR, k=0; for CSI reports not carrying L1-RSRP or L1-SINR, k=1.

[0734] c is the serving cell index, N cells The value of the higher-level parameter maxNrofServingCells;

[0735] In one implementation, for a CSI report configured with LTM-CSI-ReportConfig, c is the serving cell index value configured in the report.

[0736] s is reportConfigID, M s This is the value of the high-level parameter maxNrofCSI-ReportConfigurations.

[0737] The specific meanings of the parameters described above can also be found in section 5.2.5 of TS 38.214 (5.2.5 Priority rules for CSI reports).

[0738] M represents the number of resources reported in a single report. max This indicates the maximum number of resources reported in some or all CSI reports. m=0 indicates the reporting priority corresponding to Rel-18 and earlier protocols, and m=1 indicates the priority for reporting M resources. R This indicates the number of resources configured by the base station through higher-layer signaling, or the number of high-priority resources.

[0739] In one example, the priority value Pri of the channel state information iCSI Satisfying the following relationship: Pri iCSI (y,k,c,s,M)=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·M+s,

[0740] or,

[0741] Pri iCSI (y,k,c,s,M,M R )=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·(MM R )+s,

[0742] or,

[0743] Pri iCSI (y,k,c,s,M R )=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·M R +s,

[0744] or,

[0745] Pri iCSI(y,k,c,s,m)=2·N cells ·M s ·M max ·y+N cells ·M s ·M max ·k+M s ·M max ·c+M s ·m+s,

[0746] Specifically, for non-periodic CSI reports, y = 0 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 1 will be carried on PUSCH; for semi-static (or semi-continuous) CSI reports, y = 2 will be carried on PUCCH; and for periodic CSI reports, y = 3 will be carried on PUCCH.

[0747] For CSI reports carrying L1-RSRP or L1-SINR, k=0; for CSI reports not carrying L1-RSRP or L1-SINR, k=1.

[0748] c is the serving cell index, N cells The value of the higher-level parameter maxNrofServingCells;

[0749] In one implementation, for a CSI report configured with LTM-CSI-ReportConfig, c is the serving cell index value configured in the report.

[0750] s is reportConfigID, M s This is the value of the high-level parameter maxNrofCSI-ReportConfigurations.

[0751] The specific meanings of the parameters described above can also be found in section 5.2.5 of TS 38.214 (5.2.5 Priority rules for CSI reports).

[0752] M represents the number of resources reported in a single report. max This indicates the maximum number of resources reported in some or all CSI reports. m=0 indicates the reporting priority corresponding to Rel-18 and earlier protocols, and m=1 indicates the priority for reporting M resources. R This indicates the number of resources configured by the base station through higher-layer signaling, or the number of high-priority resources.

[0753] The above M maxIt can also be configured by the base station, that is, the base station determines it based on historical information and configures it to the terminal through RRC, MAC-CE or DCI; or it can be predefined by the protocol.

[0754] In one example, for instance, M max =2,4,6,8,10; no specific restrictions are imposed.

[0755] In one example, when it is a type-one codebook, M max =4; no specific limit is imposed.

[0756] In one example, when it is a type binary codebook, M max =2; no specific limit is imposed.

[0757] In this application, the definition of the CSI field is merely illustrative. The CSI field can be defined based on any priority determination method and CRI value method described above, and this application does not limit its definition. It is understood that the embodiments of this application primarily use the interaction between a terminal device and a network device as an example for illustrative purposes. This application is not limited to this; the terminal device can be replaced by a receiving device, which can be either a terminal device or a network device; the network device can be replaced by a transmitting device, which can be either a terminal device or a network device; the network device can be replaced by a CU (CU-CP or CU-UP) or DU or RU in the open RAN architecture; and the network device can be replaced by a chip.

[0758] It is also understood that some optional features in the various embodiments of this application may not depend on other features in some scenarios, or may be combined with other features in some scenarios, without limitation.

[0759] It is also understood that the solutions in the various embodiments of this application can be used in reasonable combinations, and the explanations or descriptions of the various terms appearing in the embodiments can be referenced or explained to each other in the various embodiments, without limitation.

[0760] It is also understood that, in the above-described method embodiments, the methods and operations implemented by a device (such as a terminal device or a network device) can also be implemented by components of the device (such as chips or circuits), without limitation.

[0761] The methods provided by the embodiments of this application have been described in detail above with reference to Figures 6 or 4. The apparatus provided by the embodiments of this application will be described in detail below with reference to Figures 7 to 9. It should be understood that the descriptions of the apparatus embodiments correspond to the descriptions of the method embodiments; therefore, any content not described in detail can be referred to the method embodiments above, and for the sake of brevity, will not be repeated here.

[0762] Referring to Figure 7, which is a schematic diagram of a communication device 700 provided in an embodiment of this application, the device 700 includes a transceiver unit 710. The transceiver unit 710 can be used to implement corresponding communication functions. The transceiver unit 710 can also be referred to as a communication interface or communication unit. The device 700 also includes a processing unit 720. The processing unit 720 can be used to perform processing, such as beam measurement. The functions of the processing unit 720 can be implemented by one or more processors. Specifically, the processor may include a modem chip, or a system-on-a-chip (SoC) chip or a system-in-in-chip (SIP) chip containing a modem core.

[0763] Optionally, the device 700 may further include a storage unit for storing instructions and / or data, and the processing unit 720 may read the instructions and / or data from the storage unit to enable the device to implement the aforementioned method embodiments.

[0764] Optionally, the transceiver unit 710 may include a receiving unit and a sending unit. The receiving unit can be used to perform receiving-related operations (such as receiving data or messages), and the sending unit can be used to perform sending-related operations (such as sending data or messages).

[0765] The communication device 700 can be a terminal-side device in the above embodiments, such as a terminal or a communication module in a terminal, or a circuit or chip in a terminal that is responsible for communication functions.

[0766] In a first possible design, the device 700 can be the terminal device in the foregoing embodiments, which can implement the steps or processes corresponding to those executed by the terminal device in the above method embodiments. Specifically, the transceiver unit 710 can be used to perform transceiver-related operations (such as sending and / or receiving data or messages) of the terminal device in the above method embodiments, for example, the transceiver unit 710 can be used to execute steps 610 and 630 in the embodiment shown in FIG. 6. The processing unit 720 can be used to perform processing-related operations of the terminal device in the above method embodiments, or operations other than transceiver (such as operations other than sending and / or receiving data or messages), for example, the processing unit 720 can be used to execute step 620 in the embodiment shown in FIG. 6.

[0767] In one possible implementation, the transceiver unit 710 is used to receive a reference signal; the transceiver unit 710 is also used to send a first channel state information (CSI) report, which is obtained based on measurements of the reference signal; wherein, the first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; at least one of the M reference signal resources has a CSI field corresponding to a first field, and each of the M reference signal resources has a CSI field corresponding to at least one of the following fields: a second field, a third field, a fourth field, and a fifth field. The system consists of a segment, a sixth field, a seventh field, an eighth field, and a ninth field. The first field indicates zero-padding bits, the second field indicates Channel State Information Reference Signal Resource Indicator (CRI), the third field indicates Rank Indicator (RI), the fourth field indicates Layer Indicator (LI), the fifth field indicates Precoding Matrix Indicator (PMI) Wideband Information Field X1, the sixth field indicates PMI Wideband Information Field X2, the seventh field indicates Wideband Channel Quality Indicator (CQI) for the first transport block (TB), the eighth field indicates the Wideband CQI for the second TB, and the ninth field indicates the Subband Differential CQI for the first TB.

[0768] In a second possible design, the device 700 may be a network device as described in the foregoing embodiments, which may implement the steps or processes performed by the network device corresponding to those described in the method embodiments above.

[0769] In one possible implementation, the transceiver unit 710 is used to transmit a reference signal; the transceiver unit 710 is also used to receive a first channel state information (CSI) report, which is obtained based on measurements of the reference signal; wherein, the first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; at least one of the M reference signal resources has a CSI field corresponding to a first field, and each of the M reference signal resources has a CSI field corresponding to at least one of the following fields: a second field, a third field, a fourth field, and a fifth field. The system consists of a segment, a sixth field, a seventh field, an eighth field, and a ninth field. The first field indicates zero-padding bits, the second field indicates Channel State Information Reference Signal Resource Indicator (CRI), the third field indicates Rank Indicator (RI), the fourth field indicates Layer Indicator (LI), the fifth field indicates Precoding Matrix Indicator (PMI) Wideband Information Field X1, the sixth field indicates PMI Wideband Information Field X2, the seventh field indicates Wideband Channel Quality Indicator (CQI) for the first transport block (TB), the eighth field indicates the Wideband CQI for the second TB, and the ninth field indicates the Subband Differential CQI for the first TB.

[0770] It should be understood that the specific process of each unit performing the above-mentioned corresponding steps has been described in detail in the above method embodiments, and will not be repeated here for the sake of brevity.

[0771] In one possible design, when the communication device 700 is a terminal or a communication module within a terminal, the functionality of the processing unit 720 can be implemented by one or more processors. Specifically, the processor may include a modem chip, or a system-on-a-chip (SoC) or SIP chip containing a modem core.

[0772] In one possible design, when the communication device 700 is a circuit or chip in a terminal responsible for communication functions, such as a modem chip or a system-on-a-chip (SoC) or SIP chip containing a modem core, the function of the processing unit 720 can be implemented by a circuit system in the aforementioned chip that includes one or more processors or processor cores. The function of the communication unit 903 can be implemented by the interface circuitry or data transceiver circuitry on the aforementioned chip.

[0773] It should also be understood that the device 700 here is embodied in the form of a functional unit. The term "unit" here can refer to an application-specific integrated circuit (ASIC), electronic circuitry, a processor (e.g., a shared processor, a proprietary processor, or a group processor, etc.) and memory for executing one or more software or firmware programs, integrated logic circuitry, and / or other suitable components supporting the described functions. In an alternative example, those skilled in the art will understand that the device 700 can specifically be the communication device in the above embodiments, and can be used to execute the various processes and / or steps corresponding to the communication device in the above method embodiments; to avoid repetition, these will not be described again here.

[0774] The apparatus 700 of each of the above-described schemes has the function of implementing the corresponding steps performed by the communication device in the above-described methods. The function can be implemented by hardware or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above functions; for example, the transceiver unit can be replaced by a transceiver (e.g., the transmitting unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver), and other units, such as processing units, can be replaced by processors, each executing the transceiver operations and related processing operations in each method embodiment.

[0775] In addition, the transceiver unit 710 described above can also be a transceiver circuit (for example, it may include a receiving circuit and a transmitting circuit), and the processing unit can be a processing circuit.

[0776] It should be noted that the device in Figure 8 can be the communication device in the foregoing embodiments, or it can be a chip or a chip system, such as a system on a chip (SoC). The transceiver unit can be an input / output circuit or a communication interface; the processing unit is a processor, microprocessor, or integrated circuit integrated on the chip. No limitations are imposed here.

[0777] Referring to Figure 8, which is a schematic diagram of another communication device 800 provided in an embodiment of this application, the device 800 includes a processor 810 coupled to a memory 820. The memory 820 is used to store computer programs or instructions and / or data. The processor 810 is used to execute the computer programs or instructions stored in the memory 820, or to read the data stored in the memory 820, to perform the methods in the above-described method embodiments.

[0778] Optionally, there may be one or more processors 810.

[0779] Optionally, the memory 820 may be one or more.

[0780] Alternatively, the memory 820 can be integrated with the processor 810, or it can be set separately.

[0781] Optionally, as shown in FIG8, the device 800 further includes a transceiver 830 for receiving and / or transmitting signals. For example, the processor 810 is used to control the transceiver 830 to receive and / or transmit signals.

[0782] For example, transceiver 800 includes a transmitter and a receiver, wherein the transmitter is used to transmit signals and the receiver is used to receive signals.

[0783] For example, a transmitted signal can be understood as an output signal, and a received signal can be understood as an input signal.

[0784] As an example, processor 810 may have the functions of processing unit 720 shown in FIG. 7, memory 820 may have the functions of storage unit, and transceiver 830 may have the functions of transceiver unit 710 shown in FIG. 7.

[0785] As one option, the device 800 is used to implement the operations performed by the communication device in the various method embodiments described above.

[0786] For example, processor 810 is used to execute computer programs or instructions stored in memory 820 to implement the relevant operations of terminal devices or network devices in the various method embodiments described above.

[0787] It should be understood that when the communication device 800 is a circuit or chip responsible for communication functions, such as a modem chip or a system-on-a-chip (SoC) chip or SIP chip containing a modem core, the communication device 800 may not include the memory 820, which may be built into or external to the communication device.

[0788] It should be understood that the processor mentioned in the embodiments of this application can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor can be a microprocessor or any conventional processor.

[0789] It should also be understood that the memory mentioned in the embodiments of this application can be volatile memory and / or non-volatile memory. Non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory can be random access memory (RAM). For example, RAM can be used as an external cache. By way of example and not limitation, RAM includes the following forms: static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous linked dynamic random access memory (SLDRAM), and direct rambus RAM (DR RAM).

[0790] It should be noted that when the processor is a general-purpose processor, DSP, ASIC, FPGA, or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component, the memory (storage module) can be integrated into the processor.

[0791] It should also be noted that the memory described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0792] Referring to Figure 9, which is a schematic diagram of a chip system 900 provided in an embodiment of this application, the chip system 900 (or processing system) includes logic circuitry 910 and an input / output interface 920.

[0793] The logic circuit 910 can be a processing circuit in the chip system 900. The logic circuit 910 can be coupled to a memory unit, calling instructions from the memory unit, enabling the chip system 900 to implement the methods and functions of the embodiments of this application. The input / output interface 920 can be an input / output circuit in the chip system 900, outputting processed information from the chip system 900, or inputting data or signaling information to be processed into the chip system 900 for processing.

[0794] Optionally, the logic circuit 910 may be implemented by one or more processors, including the one or more processors or the processing portion of the one or more processors.

[0795] Optionally, the input / output interface 920 may include transceiver circuitry, a transceiver, input / output circuitry, or a communication interface.

[0796] As one approach, the chip system 900 is used to implement the operations performed by the communication device (such as a terminal device or a network device) in the various method embodiments described above.

[0797] For example, logic circuit 910 is used to implement processing-related operations performed by a communication device (such as a terminal device or a network device) in the above method embodiments; input / output interface 920 is used to implement sending and / or receiving-related operations performed by a communication device (such as a terminal device or a network device) in the above method embodiments.

[0798] This application also provides a computer-readable storage medium storing a computer program or instructions for implementing the methods executed by a communication device (such as a terminal device or a network device) in the above-described method embodiments.

[0799] For example, when the computer program or instructions are executed by a computer, the computer can implement the methods described in the embodiments of the above methods, which are executed by a communication device (such as a terminal device or a network device).

[0800] This application also provides a computer program product comprising instructions which, when executed by a computer, implement the methods described above as being performed by a communication device (such as a terminal device or a network device).

[0801] This application also provides a communication system that includes the terminal device and / or network device described in the above embodiments. For example, the system includes the terminal device and network device shown in FIG4 or FIG6.

[0802] The explanations and beneficial effects of the relevant contents in any of the devices provided above can be found in the corresponding method embodiments provided above, and will not be repeated here.

[0803] In the several embodiments provided in this application, it should be understood that the disclosed apparatus and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of apparatus or units may be electrical, mechanical, or other forms.

[0804] In the above embodiments, implementation can be achieved entirely or partially through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented entirely or partially in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this application are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. For example, the computer can be a personal computer, a server, or a network device, etc. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., DVDs), or semiconductor media (e.g., solid-state disks, SSDs). For example, the aforementioned available media include, but are not limited to, USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks, and other media capable of storing program code.

[0805] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of protection of the claims.

Claims

1. A communication method characterized by comprising: include: Receive reference signal; Send a first Channel State Information (CSI) report, which is obtained based on the reference signal. The first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; The CSI field corresponding to at least one of the M reference signal resources includes a first field, and the CSI field corresponding to each of the M reference signal resources includes at least one of the following fields: Second field, third field, fourth field, fifth field, sixth field, seventh field, eighth field, ninth field, The first field indicates zero-padding bits, the second field indicates channel state information reference signal resource indication (CRI), the third field indicates rank indication (RI), the fourth field indicates layer indication (LI), the fifth field indicates precoding matrix indication (PMI) wideband information field X1, the sixth field indicates PMI wideband information field X2, the seventh field indicates wideband channel quality indication (CQI) of the first transport block (TB), the eighth field indicates wideband CQI of the second TB, and the ninth field indicates subband differential CQI of the first TB.

2. A communication method characterized by comprising: include: Send a reference signal; Receive a first Channel State Information (CSI) report, which is obtained based on the reference signal. The first CSI report includes CSI fields corresponding to M reference signal resources, where M is an integer greater than 1; The CSI field corresponding to at least one of the M reference signal resources includes a first field, and the CSI field corresponding to each of the M reference signal resources includes at least one of the following fields: Second field, third field, fourth field, fifth field, sixth field, seventh field, eighth field, ninth field, The first field indicates zero-padding bits, the second field indicates channel state information reference signal resource indication (CRI), the third field indicates rank indication (RI), the fourth field indicates layer indication (LI), the fifth field indicates precoding matrix indication (PMI) wideband information field X1, the sixth field indicates PMI wideband information field X2, the seventh field indicates wideband channel quality indication (CQI) of the first transport block (TB), the eighth field indicates wideband CQI of the second TB, and the ninth field indicates subband differential CQI of the first TB.

3. The method according to claim 1 or 2, characterized in that, The CSI field corresponding to at least one of the M reference signal resources includes a first field, which includes: The CSI field corresponding to each of the M reference signal resources includes a first field.

4. The method of claim 3, wherein, The M reference signal resources include a first reference signal resource, and the first field in the CSI field corresponding to the first reference signal resource satisfies at least one of the following: The first field has a higher bit position index than the second field; or, The first field has a higher bit position index than the third field; or, The first field has a higher bit position index than the fourth field; or, The first field has a higher bit position index than the fifth field; or, The first field has a higher bit position index than the sixth field; or, The first field has a higher bit position index than the seventh field; or, The first field has a higher bit position index than the eighth field; or, The first field has a higher bit position index than the ninth field; or, At least one of the second field, the third field, the fourth field, the fifth field, the sixth field, the seventh field, the eighth field, and the ninth field has a higher bit position index than the first field.

5. The method according to claim 3 or 4, characterized in that, At least two of the M reference signal resources have different bit position indices in the first field of the CSI field; or The bit position index of the first field in the CSI field corresponding to each of the M reference signal resources is the same.

6. The method according to claim 5, characterized in that, The at least two reference signal resources include a second reference signal resource and a third reference signal resource, the second reference signal resource is any one of M R reference signal resources, and the third reference signal resource is any one of M-M R reference signal resources. The priority of the M R reference signal resources is higher than the priority of the M-M R reference signal resources, where M R is a positive integer greater than 1 and less than M.

7. The method according to claim 1 or 2, characterized in that, The CSI field corresponding to at least one of the M reference signal resources includes a first field, which includes: The CSI field corresponding to one or two of the M reference signal resources includes the first field.

8. The method of claim 7, wherein, The first field in the CSI field corresponding to the one or two reference signal resources satisfies at least one of the following: The first field has a higher bit position index than the second field; or, The first field has a higher bit position index than the third field; or, The first field has a higher bit position index than the fourth field; or, The first field has a higher bit position index than the fifth field; or, The first field has a higher bit position index than the sixth field; or, The first field has a higher bit position index than the seventh field; or, The first field has a higher bit position index than the eighth field; or, The first field has a higher bit position index than the ninth field; or, At least one of the second field, the third field, the fourth field, the fifth field, the sixth field, the seventh field, the eighth field, and the ninth field has a higher bit position index than the first field.

9. The method according to claim 7 or 8, characterized in that, The CSI field corresponding to two of the M reference signal resources includes a first field, and the two reference signal resources are M... R Any one of the reference signal resources and MM R Any one of the two reference signal resources, the first field of the CSI field corresponding to the two reference signal resources respectively indicates the M R The zero-padding bits corresponding to each reference signal resource and the MM R The zero-padding bits corresponding to each reference signal resource, wherein the M R The priority of each reference signal resource is higher than that of the MM. R The priority of each reference signal resource, M R It is a positive integer greater than 1 and less than M.

10. The method according to any one of claims 7 to 9, characterized in that, The CSI fields corresponding to two of the M reference signal resources include the first field. The bit position indices of the first field in the CSI field corresponding to the two reference signal resources are different; or... The bit position indices of the first field in the CSI field corresponding to the two reference signal resources are the same.

11. The method according to claim 7 or 8, characterized in that, The CSI field corresponding to one of the M reference signal resources includes a first field, which is used to indicate the zero-padding bits corresponding to the M reference signal resources.

12. The method according to any one of claims 1 to 11, characterized in that, The CSI field corresponding to at least one of the M reference signal resources includes a first field, which includes: The CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes a first field, and the number of zero-padding bits corresponding to the j-th reference signal resource satisfies: or, O p,j = N max,j - N reported,j Wherein, the O p,j represents the number of zero padding bits corresponding to the jth reference signal resource, Q is an integer greater than 0 and less than M+1; N max,j represents the maximum load of the CSI field corresponding to CRI j, CRI j represents the CSI corresponding to the jth reference signal resource; N reported,j represents the number of bits reported on the jth reference signal resource.

13. The method according to any one of claims 1 to 11, characterized in that, The CSI field corresponding to at least one of the M reference signal resources includes a first field, which includes: The CSI field corresponding to the j-th reference signal resource among the M reference signal resources includes a first field, and the number of zero-padding bits corresponding to the j-th reference signal resource satisfies: O p,Q = N max,Q - N reported,Q ; or or N max,Q =∑ j∈Q N max,j , wherein the O p,Q denotes the number of zero-padding bits corresponding to the Q reference signal resources in the M reference signal resources, Q being an integer greater than 0 and smaller than M+1; N max,k denotes the maximum load of the CSI field corresponding to CRIj, CRIj denoting the CSI corresponding to the jth reference signal resource; N reported,Q denotes the number of bits reported on the Q reference signal resources.

14. The method according to claim 13, characterized in that, The N reported,Q satisfies: N reported,Q =∑ j∈Q N reported,j .

15. The method according to any one of claims 12 to 14, characterized in that, The Q is related to any one of the following: the M reference signal resources, (M-M R ) reference signal resources in the M reference signal resources, M R ) reference signal resources in the M reference signal resources, Ks reference signal resources; The priority of the M R reference signal resources is higher than the priority of the (M-M R ) reference signal resources.

16. The method according to any one of claims 12 to 15, characterized in that, The Q is related to the M reference signal resources. The N reported,j satisfies: N reported,j = N RI (j) + B(R j ), where N RI (j) denotes the j-th CRI reported RI, R j denotes the CRIj reported RI, B() is a function related to at least one of PMI, CQI, or LI.

17. The method according to any one of claims 12 to 16, characterized in that, The N max,j satisfies: where S rank,j denotes the set of rank values r j corresponding to CRIj, N RI (j) denotes the RI reported on the jth CRI, r j denotes the rank reported by CRIj.

18. The method according to any one of claims 12 to 17, characterized in that, K s The maximum number of bits N that can be carried by the CRI corresponding to one reference signal resource max Satisfies: N max = N max,MR + N max,M-MR wherein K s The K reference signal resources include M reference signal resources and (M-K R ) reference signal resources of the M reference signal resources.

19. The method of any one of claims 1 to 18, wherein, The CSI field corresponding to each of the M reference signal resources, in ascending order of bit position index, includes: the second field, the third field, the fourth field, the first field, the fifth field, the sixth field, the seventh field, and the eighth field.

20. The method of any one of claims 1 to 19, wherein, A CSI field corresponding to a jth reference signal resource of the M reference signal resources comprises a first field, a number O of zero-padding bits corresponding to the jth reference signal resource p,j satisfies: O p,j = N max -N reported,j , wherein The Q is a set related to K s N max,j represents the maximum load of the CSI field associated with the CRIj, j represents the value of the index of the CRI. The N maxj satisfies: S rank,j a set of rank values r allowed to be reported corresponding to CRIj j N RI (j) denotes the RI reported on the jth CRI, The N reported,j satisfies: N reported,j = N RI (j) + B(R j ), R j This indicates the RI, B(r) reported by CRIj. j ) satisfies B(r) j ) = N PMI (r j )+N CQI (r j )+N LI (r j ), or, B(r) j ) = N PMI,i1 (r j )+N PMI,i2 (r j )+N CQI (r j )+N LI (r j ).

21. The method of any one of claims 1 to 20, wherein, A CSI field corresponding to a jth reference signal resource of the M reference signal resources comprises a first field, a number O of zero-padding bits corresponding to the jth reference signal resource p,j satisfies: O p,j = N max -N reported,j , wherein The Q is a set of CRIs related to K s N max,j represents the maximum load of the CSI field corresponding to the jthCRI. The N max,j satisfies: where N RI (j) the load of the RI field of the jthCRI, S rank,j denotes the set of rank values r j allowed to be reported by the jthCRI. The N reported,j satisfies: N reported,j = N RI (j) + B(R j ), wherein R j represents the rank reported on the jthCRI, B(r) satisfies B(r) = N PMI (r) + N CQI (r) + N LI (r), or B(r) = N PMI,i1 (r) + N PMI,i2 (r) + N CQI (r) + N LI (r).

22. The method of any one of claims 1 to 18, wherein, The CSI field corresponding to each of the M reference signal resources, in ascending order of bit position index, includes: the second field, the third field, the first field, the seventh field, and the ninth field.

23. The method of any one of claims 1-18 or 22, wherein, A CSI field corresponding to a jth reference signal resource of the M reference signal resources comprises a first field, a number O of zero-padding bits corresponding to the jth reference signal resource p,j satisfies: O p,j = N max -N reported,j , wherein The Q includes K s reference signal resources, N max,j represents the maximum load of the CSI field associated with the CRIj, j represents the value of the index of the CRI, N reported,j represents the number of bits occupied by the field in which the RI to be reported by the jth reference signal resource.

24. The method of any one of claims 1-18 or 22 or 23, wherein, A CSI field corresponding to a jth reference signal resource of the M reference signal resources comprises a first field, a number O of zero-padding bits corresponding to the jth reference signal resource p,j satisfies: O p,j = N max -N reported,j , wherein The Q is a set of CRIs related to K s N j N reported,j N 25. The method of any one of claims 1 to 18, wherein, A CSI field corresponding to a jth reference signal resource of the M reference signal resources comprises a first field, a number O of zero-padding bits corresponding to the jth reference signal resource p,j satisfies: O p,j = N max -N reported,j , wherein, The Q is a set of reference signal resources associated with the K s -M R The N max,j The N reported,j The N 26. The method of any one of claims 1-18 or 25, wherein, A CSI field corresponding to a j-th reference signal resource of the M reference signal resources comprises a first field, a number O of zero-padding bits corresponding to the j-th reference signal resource p,j satisfies: O p,j = N max -N reported,j , wherein, The Q is a K s -M R set of CRIs related to the N j represents the load of the RI field of the jthCRI. N reported,j represents the load of the RI field of the jthCRI.

27. A communications device, characterized by Includes modules or units for performing the method as described in any one of claims 1 to 26.

28. A communications device, characterized by Includes a processor for executing computer programs or instructions to cause the apparatus to perform the method as described in any one of claims 1 to 26.

29. The apparatus according to claim 28, characterized in that, The device further includes a memory for storing the computer program or instructions; and / or, The device further includes a communication interface coupled to the processor, the communication interface being used for inputting and / or outputting information.

30. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program or instructions that, when executed on a computer, cause the computer to perform the method as described in any one of claims 1 to 26.

31. A computer program product, characterised in that, The computer program product includes instructions for performing the method as described in any one of claims 1 to 26.

32. A chip system, characterized by include: A processor for retrieving and running a computer program from memory, causing a communication device equipped with the chip system to perform the method of any one of claims 1 to 26.

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