Information transmission method and apparatus, and related device, storage medium and computer program product

Abstract

Disclosed in the present application are an information transmission method and apparatus, and a terminal, a network device, a storage medium and a computer program product. The method comprises: a terminal receiving first information which is sent by a network side and is used for configuring channel state information-reference signal (CSI-RS) resources, wherein the first information includes one or more of a first code division multiplexing (CDM) type, a first parameter, a second parameter, second information and third information; the first CDM type is associated with a first CSI-RS resource, the number of ports of the first CSI-RS resource being greater than 32; the first parameter represents the number of ports of a CSI-RS resource which corresponds to one CDM group in one physical resource block (PRB), a plurality of CDM groups in one PRB being associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource being greater than 32; the second parameter represents the number of PRBs associated with a third CSI-RS resource, the number of ports of the third CSI-RS resource being greater than 32 or the sum of the number of ports of a plurality of third CSI-RS resources being greater than 32; the second information represents that the CSI-RS resources support frequency hopping; and the third information represents that the CSI-RS resources support antenna port switching.

Description

Information transmission methods, devices, related equipment, storage media and computer program products

[0001] Cross-reference to related applications

[0002] This application claims priority to Chinese Patent Application No. 202410918029.1, filed on July 9, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of wireless communication, and more particularly to an information transmission method, apparatus, related equipment, storage medium, and computer program product. Background Technology

[0004] In New Radio (NR) systems, base stations can configure the mapping of Channel State Information-Reference Signal (CSI-RS) resources for User Equipment (UE) via Radio Resource Control (RRC) signaling. The UE can determine the row number from a table of CSI-RS locations within a slot based on the configuration parameters in the RRC signaling, and can determine the available CSI-RS resources based on the row.

[0005] However, the aforementioned CSI-RS pattern may limit the communication performance between the terminal and the network. Summary of the Invention

[0006] To address the related technical problems, embodiments of this application provide an information transmission method, apparatus, related equipment, storage medium, and computer program product.

[0007] The technical solution of this application embodiment is implemented as follows:

[0008] This application provides an information transmission method applied to a terminal, including:

[0009] The system receives first information sent from the network side, the first information being used to configure CSI-RS resources, and the first information includes one or more of the following:

[0010] The first code division multiplexing (CDM) type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0011] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a Physical Resource Block (PRB). Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0012] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0013] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0014] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0015] This application also provides an information transmission method applied to a network device, including:

[0016] Send first information to the terminal, the first information being used to configure CSI-RS resources, the first information including one or more of the following:

[0017] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0018] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0019] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0020] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0021] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0022] This application also provides an information transmission device, including:

[0023] The first receiving unit is configured to receive first information sent by the network side, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0024] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0025] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0026] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0027] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0028] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0029] This application also provides an information transmission device, including:

[0030] A first transmitting unit is configured to transmit first information to a terminal, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0031] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0032] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0033] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0034] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0035] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0036] This application embodiment also provides a terminal, including: a first communication interface and a first processor; wherein,

[0037] The first communication interface is used to receive first information sent by the network side, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0038] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0039] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0040] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0041] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0042] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0043] This application also provides a network device, including: a second communication interface and a second processor; wherein,

[0044] The second communication interface is used to send first information to the terminal, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0045] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0046] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0047] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0048] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0049] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0050] This application also provides a terminal, including: a first processor and a first memory for storing a computer program capable of running on the processor.

[0051] Wherein, when the first processor is running the computer program, it performs any of the above-described terminal-side methods.

[0052] This application also provides a network device, including: a second processor and a second memory for storing computer programs capable of running on the processor.

[0053] The second processor is used to execute any of the methods described above on the network device side when running the computer program.

[0054] This application embodiment also provides a storage medium storing a computer program thereon, which, when executed by a processor, implements the operation of any of the methods described above on the terminal side, or implements the operation of any of the methods described above on the network device side.

[0055] This application also provides a computer program product, including a computer program that, when executed by a processor, implements the operation of any of the methods described above on the terminal side, or implements the operation of any of the methods described above on the network device side.

[0056] The information transmission method, apparatus, related devices, storage medium, and computer program products provided in this application embodiment involve a network side sending first information to a terminal, and the terminal receiving the first information sent by the network side. The first information is used to configure CSI-RS resources and includes one or more of the following: a first CDM type, the first CDM type being associated with a first CSI-RS resource, and the number of ports of the first CSI-RS resource being greater than 32; a first parameter, the first parameter representing the number of CSI-RS resource ports corresponding to a CDM group in a PRB, and multiple CDM groups in a PRB being associated with a second CSI-RS resource. - CSI-RS resource, wherein the number of ports of the second CSI-RS resource is greater than 32; second parameter, wherein the second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs; second information, wherein the second information represents that the CSI-RS resource supports frequency hopping; third information, wherein the third information represents that the CSI-RS resource supports antenna port switching; thus, by supporting a CSI-RS pattern enhancement scheme with more than 32 ports, or even up to 128 ports, the communication performance of the terminal and network side can be improved from the perspective of physical layer multiple in multiple out (MIMO), thereby improving the user experience. Attached Figure Description

[0057] Figure 1 is a schematic diagram of the time-domain and frequency-domain resource distribution corresponding to the row number (Row) X1 in an embodiment of this application;

[0058] Figure 2 is a schematic diagram of the time-domain and frequency-domain resource distribution corresponding to Row X2 in the embodiment of this application;

[0059] Figure 3 is a schematic diagram of the time-domain and frequency-domain resource distribution corresponding to Row X3 in the embodiment of this application;

[0060] Figure 4 is a schematic diagram of the time-domain and frequency-domain resource distribution corresponding to Row X4 in the embodiment of this application;

[0061] Figure 5 is a schematic diagram of the time-domain and frequency-domain resource distribution corresponding to Row X5 in the embodiment of this application;

[0062] Figure 6 is a schematic diagram of the time-domain and frequency-domain resource distribution corresponding to Row X6 in the embodiment of this application;

[0063] Figure 7 is a schematic diagram of the time-domain and frequency-domain resource distribution corresponding to Row X7 in the embodiment of this application;

[0064] Figure 8 is a flowchart illustrating the information transmission method according to an embodiment of this application;

[0065] Figure 9 is a schematic diagram of an information transmission device according to an embodiment of this application;

[0066] Figure 10 is a schematic diagram of another information transmission device structure according to an embodiment of this application;

[0067] Figure 11 is a schematic diagram of the terminal structure according to an embodiment of this application;

[0068] Figure 12 is a schematic diagram of the network device structure according to an embodiment of this application;

[0069] Figure 13 is a schematic diagram of the information transmission system structure according to an embodiment of this application. Detailed Implementation

[0070] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.

[0071] This application provides an information transmission method applied to a terminal, including:

[0072] The system receives first information sent from the network side, which is used to configure CSI-RS resources. The first information includes one or more of the following (i.e., the first information may include at least one of the following):

[0073] The first CDM type (which can be represented as cdmType) is associated with the first CSI-RS resource, and the number of ports (which can be represented as ports) of the first CSI-RS resource is greater than 32.

[0074] The first parameter (also known as CDM group reuse) represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0075] The second parameter (also known as the frequency division multiplexing factor, or FDM factor) characterizes the number of PRBs associated with the third CSI-RS resource. The number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs. The multiple third CSI-RS resources refer to at least two third CSI-RS resources.

[0076] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0077] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0078] In practical applications, the terminal can also be referred to as a UE or a user.

[0079] In practical applications, the second information can be associated with the third CSI-RS resource; the third information can be associated with the fourth CSI-RS resource, and the number of ports of the fourth CSI-RS resource can be greater than 32.

[0080] In practical applications, the first information can be sent to the terminal by network devices deployed on the network side, that is, to configure CSI-RS resources for the terminal; the network devices may include base stations, etc.

[0081] In practical applications, by utilizing the different specific contents contained in the first information (i.e., one or more of the first CDM type, first parameter, second parameter, second information, and third information), at least the following five CSI-RS pattern enhancement methods can be implemented:

[0082] Method 1: A CSI-RS resource with more than 32 ports (i.e., the first CSI-RS resource) designed based on a new CDM pattern, in which case the first information may include the first CDM type;

[0083] Method 2: Based on the existing CDM pattern design, more CDM groups are used within a PRB to support CSI-RS resources with more than 32 ports (i.e., the second CSI-RS resource). In this case, the first information can include the first parameter.

[0084] Method 3: Assign the port of a CSI-RS resource (i.e., the third CSI-RS resource) to multiple PRBs, in which case the first information may include the second parameter;

[0085] Method 4: To further reduce CSI-RS overhead, CSI-RS frequency domain hopping can be supported. In this case, the first information can include the second information.

[0086] Method 5, in order to further reduce CSI-RS overhead, as a variant of Method 4, can support CSI-RS antenna / port switching, in which case the first information can include the third information.

[0087] The specific implementation of method 1 above will be explained below.

[0088] In one embodiment, the CDM method corresponding to the first CDM type may include one or more of the following (i.e., the CDM method corresponding to the first CDM type may include at least one of the following):

[0089] cdm16-FD4-TD4 means performing 16-port CDM on 16 REs corresponding to 4 frequency domain carriers and 4 time domain symbols;

[0090] cdm16-FD2-TD8 means performing 16-port CDM on 16 REs corresponding to 2 frequency domain carriers and 8 time domain symbols;

[0091] cdm32-FD4-TD8 means that CDM is performed on 32 ports on 32 REs corresponding to 4 frequency domain carriers and 8 time domain symbols.

[0092] Wherein, if the first information includes the first CDM type, the first information may further include one or more of the following (i.e., the first information may further include at least one of the following):

[0093] The number of ports of the first CSI-RS resource can be expressed as nrofPorts;

[0094] The first CSI-RS resource is associated with one or two third parameters, which represent the position of the first symbol of the CDM group associated with the first CSI-RS resource in the time domain. The English term for the third parameter can be firstOFDMSymbolInTimeDomain.

[0095] The fourth information represents the frequency domain location of the first CSI-RS resource, and the fourth information can be expressed in English as frequencyDomainAllocation.

[0096] In one embodiment, when the CDM method corresponding to the first CDM type includes 16-port CDM on 16 REs corresponding to 4 frequency domain carriers and 4 time domain symbols, that is, when cdmType = cdm16-FD4-TD4,

[0097] The first CSI-RS resource has 64 ports, and it is associated with two third parameters.

[0098] or,

[0099] The first CSI-RS resource has 48 ports, the first CSI-RS resource is associated with a third parameter, and the first information does not include the fourth information.

[0100] In some embodiments, in practical applications, when cdmType = cdm16-FD4-TD4, if the network device (e.g., base station) configures nrofPorts = 64 in the CSI-RS resource configuration (i.e., the first information) (i.e., the number of ports of the first CSI-RS resource is 64), it can correspond to the row number (Row) X1 in Table 1, and firstOFDMSymbolInTimeDomain2 and firstOFDMSymbolInTimeDomain2 (i.e., two third parameters can be configured) to determine the time domain position of CSI-RS in a time slot, corresponding to l0 and l1 respectively. If the network device's CSI-RS resource configuration (i.e., the first information) has nrofPorts = 48 (i.e., the number of ports of the first CSI-RS resource is 48), then it can correspond to Row X2 in Table 1, and only firstOFDMSymbolInTimeDomain can be configured (i.e., a third parameter can be configured) to determine the time domain position of CSI-RS in a time slot, corresponding to l0; and frequencyDomainAllocation can be left unconfigured (i.e., the fourth information can be left unconfigured, that is, the first information can not contain the fourth information), and k0 in the table is fixed to 0, k1 is fixed to 4, and k2 is fixed to 8.

[0101] Table 1. CSI-RS locations within a slot

[0102] In practical applications, the frequency domain location of CSI-RS within an RB can be determined based on the bitmap provided by the frequencyDomainAllocation configured in the RRC (i.e., the fourth information); in other words, the fourth information can be implemented using a bitmap. Based on this bitmap, k in Table 1 i This can be determined as follows: For Row X1 in Table 1, the bitmap is [b2…b0], and k i-1 =4f(i); or, the bitmap is [b5…b0], and k i-1=2f(i); Here, f(i) is the bit number of the i-th bit set to 1 in the bitmap (i.e., the first bit with a value of 1 starting from the least significant bit (LSB, Least Significant Bit)); The time domain and frequency domain resource distribution corresponding to Row X1 in Table 1 can be shown in Figure 1, and the time domain and frequency domain resource distribution corresponding to Row X2 in Table 1 can be shown in Figure 2.

[0103] In one embodiment, when the CDM method corresponding to the first CDM type includes 16-port CDM on 16 REs corresponding to 2 frequency domain carriers and 8 time domain symbols, that is, when cdmType = cdm16-FD2-TD8, the first CSI-RS resource is associated with a third parameter, and the number of ports of the first CSI-RS resource is 64, 48, or 96; wherein, when the number of ports of the first CSI-RS resource is 96, the first information does not include the fourth information.

[0104] In some embodiments, in practical applications, when cdmType = cdm16-FD2-TD8, the network device (e.g., a base station) can configure only firstOFDMSymbolInTimeDomain (i.e., a third parameter can be configured) to determine the time domain position of CSI-RS within a time slot, corresponding to l0. Furthermore, when the network device's configured CSI-RS resource configuration (i.e., the first information) has nrofPorts = 64 (i.e., the number of ports of the first CSI-RS resource is 64), it can correspond to Row X3 in Table 2; when the network device's configured CSI-RS resource configuration (i.e., the first information) has nrofPorts = 48 (i.e., the number of ports of the first CSI-RS resource is 48), it can correspond to Row X4 in Table 2; and when the network device's configured CSI-RS resource configuration (i.e., the first information) has nrofPorts = 96 (i.e., the number of ports of the first CSI-RS resource is 96), it can correspond to Row X5 in Table 2.

[0105] Table 2. CSI-RS locations within a slot

[0106] In practical applications, the frequency domain position of CSI-RS within an RB can be determined based on the bitmap provided by the frequencyDomainAllocation configured in the RRC (i.e., the fourth information); in other words, the fourth information can be implemented using a bitmap. Based on this bitmap, k in Table 2... iThis can be determined as follows: For Rows X3 and X4 in Table 2, the bitmap is [b5…b0], and k i-1 =2f(i); For Row X5 in the table, frequencyDomainAllocation can be left unconfigured (i.e., the fourth information can be left unconfigured, meaning the first information can not include the fourth information). In the table, k0 is fixed to 0, k1 is fixed to 2, k2 is fixed to 4, k3 is fixed to 6, k4 is fixed to 8, and k5 is fixed to 10. Here, the time-domain and frequency-domain resource distribution corresponding to Row X3 in Table 2 can be shown in Figure 3, the time-domain and frequency-domain resource distribution corresponding to Row X4 in Table 2 can be shown in Figure 4, and the time-domain and frequency-domain resource distribution corresponding to Row X5 in Table 2 can be shown in Figure 5.

[0107] In one embodiment, when the CDM method corresponding to the first CDM type includes 32-port CDM on 32 REs corresponding to 4 frequency domain carriers and 8 time domain symbols, i.e., when cdmType = cdm32-FD4-TD8, the first CSI-RS resource is associated with a third parameter, and the number of ports of the first CSI-RS resource is 64 or 96; wherein, when the number of ports of the first CSI-RS resource is 96, the first information does not include the fourth information.

[0108] In some embodiments, in practical applications, when cdmType = cdm32-FD4-TD8, the network device (e.g., a base station) can configure only firstOFDMSymbolInTimeDomain (i.e., a third parameter can be configured) to determine the time domain position of CSI-RS within a time slot, corresponding to l0. Furthermore, when the network device's configured CSI-RS resource configuration (i.e., the first information) has nrofPorts = 64 (i.e., the number of ports of the first CSI-RS resource is 64), it can correspond to Row X6 in Table 3; when the network device's configured CSI-RS resource configuration (i.e., the first information) has nrofPorts = 96 (i.e., the number of ports of the first CSI-RS resource is 96), it can correspond to Row X7 in Table 3.

[0109] Table 3. CSI-RS locations within a slot

[0110] In practical applications, the frequency domain position of CSI-RS within an RB can be determined based on the bitmap provided by the frequencyDomainAllocation configured in the RRC (i.e., the fourth information); in other words, the fourth information can be implemented using a bitmap. Based on this bitmap, k in Table 3... i This can be determined as follows: For Row X6 in Table 3, the bitmap is [b2…b0], and k i-1 =4f(i); or, the bitmap is [b5…b0], and k i-1 =2f(i); For Row X7 in the table, frequencyDomainAllocation is not configured (i.e., the fourth information is not configured, meaning the first information may not include the fourth information), and k0 in Table 3 is fixed to 0, k1 is fixed to 4, and k2 is fixed to 8. Here, the time-domain and frequency-domain resource distribution corresponding to Row X6 in Table 3 can be shown in Figure 6, and the time-domain and frequency-domain resource distribution corresponding to Row X7 in Table 3 can be shown in Figure 7.

[0111] The specific implementation of method 2 above will be explained below.

[0112] In one embodiment, when the first information includes the first parameter, the first information may further include one or more of the following (i.e., the first information may further include at least one of the following):

[0113] The number of ports for the second CSI-RS resource can be expressed as nrofPorts.

[0114] The second CDM type (which can be represented as cdmType) associated with the second CSI-RS resource;

[0115] The second CSI-RS resource association has at least three fourth parameters, which characterize the position of the first symbol of the CDM group associated with the second CSI-RS resource in the time domain. The fourth parameter can be expressed in English as firstOFDMSymbolInTimeDomain.

[0116] The fifth piece of information represents the frequency domain location of the second CSI-RS resource, and the English term for the fifth piece of information can be expressed as frequencyDomainAllocation.

[0117] The number of ports of the second CSI-RS resource can be 48, 64, 72, 96, or 128, meaning that the value of nrofPorts can be any one of {48, 64, 72, 96, 128}. Furthermore, the number of CDM groups associated with the second CSI-RS resource can be equal to the number of ports of the second CSI-RS resource divided by the first parameter; in other words, after determining the corresponding Row in the table based on nrofPorts and cdmType, the number of CDM groups associated with that Row... There can be nrofPorts / CDM group reuse degree (i.e., the first parameter) values, that is, the CDM group index (which can be expressed as CDM group index) can be {0, 1, 2, ... nrofPorts / CDM group reuse degree - 1}.

[0118] In one embodiment, when the CDM method corresponding to the second CDM type includes CDM on two ports on two REs corresponding to two frequency domain carriers and one time domain symbol, the first parameter is equal to 2; that is, when cdmType = fd - CDM2, the CDM group multiplexing degree = 2.

[0119] or,

[0120] When the CDM method corresponding to the second CDM type includes CDM on 4 ports on 4 REs corresponding to 2 frequency domain carriers and 2 time domain symbols, the first parameter is equal to 4; that is, when cdmType = cdm4-FD2-TD2, the CDM group multiplexing degree = 4;

[0121] or,

[0122] When the CDM method corresponding to the second CDM type includes CDM on 4 ports on 8 REs corresponding to 2 frequency domain carriers and 4 time domain symbols, the first parameter is equal to 8; that is, when cdmType = cdm8-FD2-TD4, the CDM group multiplexing degree = 8.

[0123] In one embodiment, multiple CDM groups in a PRB are implemented using TDM or FDM methods; wherein, when multiple CDM groups in a PRB are implemented using TDM methods, the first information includes at least three fourth parameters associated with the second CSI-RS resource.

[0124] In some embodiments, when multiple CDM groups in a PRB are implemented using TDM, in addition to the existing configurable firstOFDMSymbolInTimeDomain and firstOFDMSymbolInTimeDomain2, at least one additional firstOFDMSymbolInTimeDomain_n can be configured, corresponding to l n (n = 3, 4...); that is, at least three fourth parameters can be configured. Alternatively, this can be done through the corresponding Row. Increase The form supports TDM; where x = {0, 1, 2…}; when cdmType = fd-CDM2, n = {1, 2…}; when cdmType = cdm4-FD2-TD2, n = {2, 3…}; when cdmType = cdm8-FD2-TD4, n = {4, 5…}.

[0125] In practical applications, when multiple CDM groups in a PRB are implemented using FDM, more k can be indicated in the frequencyDomainAllocation (i.e., the fifth piece of information) configured in the RRC. n n = {0, 1, 2, 3…}; or, it can be obtained by specifying the corresponding Row. Increase The form supports FDM; where x = {0, 1, 2…} and n = {2, 3…}.

[0126] One configuration method for method 2 above is shown in Table 4.

[0127] Table 4. CSI-RS locations within a slot

[0128] In practical applications, to reduce overhead, for the above method 3, considering the condition of relatively flat frequency domain, more ports of CSI-RS can be achieved by allocating the ports of one CSI-RS resource (i.e., the third CSI-RS resource) across multiple PRBs. In some embodiments, the FDM factor (i.e., the second parameter) can be equal to 2 or 4, and the ports transmitting on each of the FDM factor PRBs can collectively form one CSI-RS resource (i.e., the third CSI-RS resource).

[0129] In practical applications, the above method 3 can include two specific implementation methods: implementation method 1 and implementation method 2. The following is a detailed explanation of implementation method 1 of method 3.

[0130] In one embodiment, when the first information includes the second parameter,

[0131] When the second parameter equals 2, the terminal assumes that half of the ports of the third CSI-RS resource are transmitted on PRBs with even index values, and assumes that the other half of the ports of the third CSI-RS resource are transmitted on PRBs with odd index values; in other words, when FDM factor = 2, the network device (e.g., the base station) has a total of nrofPorts ports configured in the CSI-RS resource (i.e., the third CSI-RS resource). The terminal can assume that ports {0, ..., nrofPorts / 2-1} are transmitted on PRBs with even index values, and assume that ports {nrofPorts / 2, ..., nrofPorts-1} are transmitted on PRBs with odd index values.

[0132] or,

[0133] When the second parameter equals 4, the terminal assumes that the first part of the ports of the third CSI-RS resource is transmitted on a PRB whose index value is divisible by 4, the second part of the ports of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 1 when divided by 4, the third part of the ports of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 2 when divided by 4, and the fourth part of the ports of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 3 when divided by 4. In other words, when FDM factor = 4, the network device (e.g., base station) has a total of nrofPorts ports configured in the CSI-RS resource. The terminal can assume that ports {0, ..., nrofPorts / 4-1} are transmitted on PRBs whose index value i satisfies i mod 4 = 0, and that ports {nrofPorts / 4, ..., nrofPorts*2 / 4-1} are transmitted on PRBs whose index value i satisfies i mod 4 = 0. For transmission on a PRB where 4 = 1, assume that port {nrofPorts*2 / 4, ...,nrofPorts*3 / 4-1} is transmitted on a PRB where the PRB index value i satisfies i mod 4 = 2, and assume that port {nrofPorts*3 / 4, ...,nrofPorts-1} is transmitted on a PRB where the PRB index value i satisfies i mod 4 = 3.

[0134] In another embodiment, where the first information includes the second parameter,

[0135] When the second parameter is equal to 2, the terminal assumes that half of the plurality of third CSI-RS resources are transmitted on PRBs with even index values, and assumes that the other half of the plurality of third CSI-RS resources are transmitted on PRBs with odd index values.

[0136] or,

[0137] When the second parameter equals 4, the terminal assumes that the first part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value is divisible by 4, assumes that the second part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 1 when divided by 4, assumes that the third part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 2 when divided by 4, and assumes that the fourth part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 3 when divided by 4.

[0138] The phrase "the terminal assumes..." means that the terminal can perform the corresponding operation under this assumption, or it can be understood as the terminal needing to have the capability to perform the corresponding operation under this assumption. For example, if the terminal assumes that half of the port of the third CSI-RS resource is transmitted on a PRB with an even index value, it means that the terminal can receive half of the port of the third CSI-RS resource on a PRB with an even index value, and correspondingly, the network side can transmit half of the port of the third CSI-RS resource on a PRB with an even index value; as another example, if the terminal assumes that the first part of the port of the third CSI-RS resource is transmitted on a PRB with an index value divisible by 4, it means that the terminal can receive the first part of the port of the third CSI-RS resource on a PRB with an index value divisible by 4, and correspondingly, the network side can transmit the first part of the port of the third CSI-RS resource on a PRB with an index value divisible by 4.

[0139] In practical applications, for implementation method 1 above, the density and number of ports of the third CSI-RS resource can be determined as needed. For example, in the Row corresponding to the third CSI-RS resource, Densityρ = 0.5, and Ports X = the number of values ​​in k′ * the number of values ​​in l′ * the number of values ​​in CDM group index j * FDM factor (i.e., the second parameter). Wherein, in the Row... Alternatively, the values ​​in CDM group index j can each correspond to different PRBs or ports; Alternatively, the values ​​in CDM group index j can be evenly divided into FDM factor groups, each corresponding to a PRB or port that meets different conditions. Another configuration method for implementation 1 is shown in Table 5.

[0140] Table 5. CSI-RS locations within a slot

[0141] The following is a detailed explanation of how method 2 is implemented in the above method 3.

[0142] In practical applications, for implementation method 2 above, one CSI-RS can correspond to FDM factor (i.e., the second parameter) Row or resource configuration, and each Row or resource configuration corresponds to a different PRB or port.

[0143] Based on this, in one embodiment, the second parameter further represents the number of configurations contained in the third CSI-RS resource, wherein different configurations contained in the third CSI-RS resource are associated with different PRBs. Alternatively, the second parameter further represents the number of configurations contained in the plurality of third CSI-RS resources, wherein different configurations contained in the plurality of third CSI-RS resources are associated with different PRBs.

[0144] In practical applications, one configuration method for the above implementation method 2 can be shown in Table 6.

[0145] Table 6. CSI-RS locations within a slot

[0146] In practical applications, when the terminal does not expect to receive CSI-RS on some PRBs due to collisions between CSI-RS and signals such as in-band signaling 1 (SIB1), CSI-RS for beam management, demodulation reference signal (DMRS), and phase tracking reference signal (PT-RS), the terminal may also not expect to receive CSI-RS on other PRBs corresponding to the collided PRB. The other PRBs can refer to the PRBs that have not collided among the FDM factor (i.e., the second parameter) that together constitute a CSI-RS resource (i.e., the third CSI-RS resource).

[0147] The specific implementation of method 4 above will be explained below.

[0148] In practical applications, the second piece of information can characterize whether CSI-RS resources support inter-slot hopping. For inter-slot hopping in periodic or semi-continuous CSI-RS, when the slot satisfies... When this means that the CSI-RS is sent periodically, and can only be sent after a full cycle, the number of CSI-RS transmissions (which can be expressed as the CSI-RS counter) can be defined as follows: Where, n CSI-RS This indicates the number of CSI-RS transmissions; N represents the number of time slots in each frame corresponding to the subcarrier spacing configuration μ. f Indicates the system frame number, n s,f T represents the intra-frame slot number corresponding to the subcarrier spacing configuration μ. offset T represents the transmission offset of CSI-RS. CSI-RS Indicates the period of CSI-RS.

[0149] In one embodiment, when the second information indicates that CSI-RS resources support inter-slot frequency hopping, and the first information includes the second parameter and the second information, and the second parameter is equal to 2 (i.e., FDM factor = 2),

[0150] When the number of times the third CSI-RS resource is sent (i.e., n) CSI-RS When the FDM factor is divisible by 2, the terminal assumes that the third CSI-RS resource is transmitted only on PRBs with even index values, or assumes that the third CSI-RS resource is transmitted only on PRBs with odd index values; in other words, when the FDM factor = 2, if n CSI-RS If mod 2 = 0, then CSI-RS is sent only on PRBs with even PRB index values, or CSI-RS is sent only on PRBs with odd PRB index values.

[0151] or,

[0152] When the number of transmissions of the third CSI-RS resource leaves a remainder of 1 when divided by 2, the terminal assumes that the third CSI-RS resource is transmitted only on PRBs with odd index values, or assumes that the third CSI-RS resource is transmitted only on PRBs with even index values; in other words, when FDM factor = 2, if n CSI-RS If mod 2 = 1, then CSI-RS is sent only on PRBs with odd PRB index values, or CSI-RS is sent only on PRBs with even PRB index values.

[0153] In another embodiment, when the second information indicates that CSI-RS resources support inter-slot frequency hopping, and the first information includes the second parameter and the second information, and the second parameter is equal to 4 (i.e., FDM factor = 4),

[0154] When the number of times the third CSI-RS resource is sent (i.e., n) CSI-RS When the index value is divisible by 4, the terminal assumes that the third CSI-RS resource is only sent on PRBs whose index value is divisible by 4.

[0155] or,

[0156] When the number of transmissions of the third CSI-RS resource leaves a remainder of 1 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 1 when divided by 4.

[0157] or,

[0158] When the number of transmissions of the third CSI-RS resource leaves a remainder of 2 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 2 when divided by 4.

[0159] or,

[0160] When the number of transmissions of the third CSI-RS resource leaves a remainder of 3 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 3 when divided by 4.

[0161] In other words, when FDM factor = 4, if n CSI-RS If mod 4 = 0, then CSI-RS is only transmitted on PRBs whose PRB index value i satisfies i mod 4 = 0; if n CSI-RS If mod 4 = 1, then CSI-RS is only transmitted on PRBs whose PRB index value i satisfies i mod 4 = 1; if n CSI-RS If mod4 = 2, then CSI-RS is only transmitted on PRBs whose PRB index value i satisfies i mod 4 = 2; if n CSI-RS If mod 4 = 3, then CSI-RS will only be sent on PRBs whose PRB index value i satisfies i mod 4 = 3.

[0162] The phrase "the terminal assumes..." means that the terminal can perform the corresponding operation under this assumption, or it can be understood as the terminal needing to have the capability to perform the corresponding operation under this assumption. For example, if the terminal assumes that the third CSI-RS resource is only sent on PRBs with even index values, it means that the terminal can receive the third CSI-RS resource only on PRBs with even index values, and correspondingly, the network side can send the third CSI-RS resource only on PRBs with even index values; as another example, if the terminal assumes that the third CSI-RS resource is only sent on PRBs with index values ​​divisible by 4, it means that the terminal can receive the third CSI-RS resource only on PRBs with index values ​​divisible by 4, and correspondingly, the network side can send the third CSI-RS resource only on PRBs with index values ​​divisible by 4.

[0163] In practical applications, the second information can also characterize that the CSI-RS resource supports intra-slot hopping. In this case, the first information can include the second parameter and the second information. The second parameter can also characterize the number of configurations contained in the third CSI-RS resource. Different configurations contained in the third CSI-RS resource can be associated with different PRBs. In other words, one CSI-RS can correspond to FDM factor (i.e., the second parameter) Rows or resource configurations. Each Row or resource configuration corresponds to a different PRB or port. Different PRBs can have different CSI-RS resource configurations.

[0164] In one embodiment, when the second information indicates that the CSI-RS resource supports in-slot frequency hopping, and the second parameter is equal to 2, the third CSI-RS resource may include two configurations; in other words, when FDM factor = 2, the resource configuration corresponding to the CSI-RS is... It can have an even number of possible values;

[0165] The terminal assumes that the third CSI-RS resource uses the first of the two configurations on PRBs with even index values, and assumes that the third CSI-RS resource uses the second of the two configurations on PRBs with odd index values.

[0166] or,

[0167] The terminal assumes that the third CSI-RS resource uses the first of the two configurations on PRBs with odd index values, and assumes that the third CSI-RS resource uses the second of the two configurations on PRBs with even index values.

[0168] In one embodiment, when the second information indicates that the CSI-RS resource supports in-slot frequency hopping, the third CSI-RS resource can include four configurations when the second parameter equals 4; in other words, when FDM factor = 4, the resource configurations corresponding to the CSI-RS are... It can have values ​​that are multiples of 4;

[0169] The terminal assumes that the third CSI-RS resource uses the first of the four configurations on a PRB whose index value is divisible by 4, the second of the four configurations on a PRB whose index value leaves a remainder of 1 when divided by 4, the third of the four configurations on a PRB whose index value leaves a remainder of 2 when divided by 4, and the fourth of the four configurations on a PRB whose index value leaves a remainder of 3 when divided by 4. In other words, on a PRB whose PRB index value i satisfies i mod 4 = 0, the CSI-RS uses the first resource configuration; on a PRB whose PRB index value i satisfies i mod 4 = 1, the CSI-RS uses the second resource configuration; on a PRB whose PRB index value i satisfies i mod 4 = 2, the CSI-RS uses the third resource configuration; and on a PRB whose PRB index value i satisfies i mod 4 = 3, the CSI-RS uses the fourth resource configuration.

[0170] The specific implementation of method 5 above will be explained below.

[0171] In practical applications, for periodic or semi-continuous CSI-RS, when the time slot satisfies When this means that the CSI-RS is sent periodically, and can only be sent after a full cycle, the number of CSI-RS transmissions (which can be expressed as the CSI-RS counter) can be defined as follows: Where, n CSI-RS This indicates the number of CSI-RS transmissions; N represents the number of time slots in each frame corresponding to the subcarrier spacing configuration μ. f Indicates the system frame number, n s,f T represents the intra-frame slot number corresponding to the subcarrier spacing configuration μ. offset T represents the transmission offset of CSI-RS. CSI-RS Indicates the period of CSI-RS.

[0172] Based on this, for method 5 above, if the first information includes the third information, the first information may also include a fifth parameter. This fifth parameter represents the antenna port switching factor (which can also be understood as the granularity of antenna port switching). The fifth parameter can be expressed as the Hopping factor. In practical applications, the Hopping factor can be equal to 2 or 4.

[0173] In one embodiment, the third information can be associated with the fourth CSI-RS resource, provided that the fifth parameter is equal to 2 (i.e., Hopping factor = 2).

[0174] When the fourth CSI-RS resource is sent a number of times (i.e., n) CSI-RS When n is divisible by 2, the terminal assumes that the fourth CSI-RS resource is transmitted using half of the antenna ports; in other words, when n CSI-RS When mod 2 = 0, CSI-RS uses antenna ports {0, ... nrofPorts / 2-1} to transmit;

[0175] or,

[0176] When the number of transmissions of the fourth CSI-RS resource divided by 2 leaves a remainder of 1, the terminal assumes that the fourth CSI-RS resource is transmitted using the other half of the antenna port; in other words, when n CSI-RS When mod 2 = 1, CSI-RS uses antenna ports {nrofPorts / 2, ..., nrofPorts-1} to transmit.

[0177] In another embodiment, the third information can be associated with the fourth CSI-RS resource, provided that the fifth parameter is equal to 4 (i.e., Hopping factor = 4).

[0178] When the number of transmissions of the fourth CSI-RS resource is divisible by 4, the terminal assumes that the fourth CSI-RS resource is transmitted using the first portion of the antenna port; in other words, when n CSI-RS When mod 4 = 0, CSI-RS uses antenna ports {0, ... nrofPorts / 4-1} to transmit;

[0179] or,

[0180] When the number of transmissions of the fourth CSI-RS resource divided by 4 leaves a remainder of 1, the terminal assumes that the fourth CSI-RS resource is transmitted using the second part of the antenna port; in other words, when n CSI-RS When mod 4 = 1, CSI-RS uses antenna ports {nrofPorts / 4, ... nrofPorts*2 / 4-1} to transmit;

[0181] or,

[0182] When the number of transmissions of the fourth CSI-RS resource divided by 4 leaves a remainder of 2, the terminal assumes that the fourth CSI-RS resource is transmitted using the third part of the antenna port; in other words, when n CSI-RS When mod 4 = 2, CSI-RS uses antenna ports {nrofPorts*2 / 4, ..., nrofPorts*3 / 4-1} to transmit;

[0183] or,

[0184] When the number of transmissions of the fourth CSI-RS resource divided by 4 leaves a remainder of 3, the terminal assumes that the fourth CSI-RS resource is transmitted using the fourth part of the antenna port; in other words, when n CSI-RS When mod 4 = 3, CSI-RS uses antenna ports {nrofPorts*3 / 4, ...,nrofPorts-1} to transmit.

[0185] Accordingly, embodiments of this application also provide an information transmission method, applied to network devices (such as base stations), including:

[0186] Send first information to the terminal, the first information being used to configure CSI-RS resources, the first information including one or more of the following:

[0187] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0188] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0189] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0190] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0191] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0192] Accordingly, this application also provides an information transmission method, as shown in FIG8, the method comprising:

[0193] Operation 801: The network device sends first information to the terminal, the first information being used to configure CSI-RS resources;

[0194] Operation 802: The terminal receives the first information sent by the network device.

[0195] The first information includes one or more of the following:

[0196] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0197] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0198] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0199] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0200] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0201] The information transmission method provided in this application embodiment involves a network side sending first information to a terminal, and the terminal receiving the first information sent by the network side. The first information is used to configure CSI-RS resources and includes one or more of the following: a first CDM type, where the first CDM type is associated with a first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32; a first parameter, where the first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB, and multiple CDM groups in a PRB are associated with a second CSI-RS resource, where the number of ports of the second CSI-RS resource is greater than 32; a second parameter, where the second parameter represents the number of PRBs associated with a third CSI-RS resource, where the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs; second information, where the second information represents that the CSI-RS resource supports frequency hopping; and third information, where the third information represents that the CSI-RS resource supports antenna port switching. Thus, by supporting CSI-RS resources with more than 32 ports, or even up to 128 ports, a method can be implemented. The pattern enhancement scheme can improve the communication performance between the terminal and the network from the perspective of physical layer MIMO, thereby improving the user experience. In addition, some schemes in the embodiments of this application (i.e., methods 4 and 5 above) can effectively reduce CSI-RS overhead.

[0202] To implement the terminal-side method of this application embodiment, this application embodiment also provides an information transmission device, disposed on the terminal, as shown in FIG9. The device includes:

[0203] The first receiving unit 901 is configured to receive first information sent by the network side, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0204] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0205] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0206] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0207] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0208] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0209] In practical applications, as shown in Figure 9, the device may also include:

[0210] The second receiving unit 902 is used to receive CSI-RS resources sent by the network side.

[0211] In practical applications, the first receiving unit 901 and the second receiving unit 902 can be implemented by the communication interface in the information transmission device.

[0212] To implement the method on the network device side of this application embodiment, this application embodiment also provides an information transmission device, disposed on the network device, as shown in FIG10, the device including:

[0213] The first transmitting unit 1001 is configured to transmit first information to the terminal, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0214] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0215] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0216] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0217] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0218] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0219] In practical applications, as shown in Figure 10, the device may further include:

[0220] The second sending unit 1002 is used to send CSI-RS resources to the terminal.

[0221] In practical applications, the first sending unit 1001 and the second sending unit 1002 can be implemented by the communication interface in the information transmission device.

[0222] It should be noted that the information transmission device provided in the above embodiments is only illustrated by the division of the above program modules. In actual applications, the above processing can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program modules to complete all or part of the processing described above. In addition, the information transmission device and the information transmission method embodiments provided in the above embodiments belong to the same concept, and their specific implementation process can be found in the method embodiments, which will not be repeated here.

[0223] Based on the hardware implementation of the above program modules, and in order to implement the terminal-side method of this application embodiment, this application embodiment also provides a terminal, as shown in FIG11, the terminal 1100 includes:

[0224] The first communication interface 1101 is capable of exchanging information with the network side and / or other terminals;

[0225] The first processor 1102 is connected to the first communication interface 1101 to enable information interaction with the network side and / or other terminals, and to execute the methods provided by one or more technical solutions on the terminal side when running a computer program;

[0226] The computer program is stored in the first memory 1103.

[0227] In some embodiments, the first communication interface 1101 is configured to receive first information sent by the network side, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0228] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0229] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0230] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0231] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0232] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0233] It should be noted that the specific processing procedure of the first communication interface 1101 can be understood by referring to the above method, and will not be repeated here.

[0234] Of course, in practical applications, the various components in terminal 1100 are coupled together through bus system 1104. It can be understood that bus system 1104 is used to realize the connection and communication between these components. In addition to the data bus, bus system 1104 also includes a power bus, a control bus, and a status signal bus. However, for clarity, all buses are labeled as bus system 1104 in Figure 11.

[0235] The first memory 1103 in this embodiment is used to store various types of data to support the operation of the terminal 1100. Examples of such data include any computer program used to operate on the terminal 1100.

[0236] The methods disclosed in the embodiments of this application can be applied to the first processor 1102, or implemented by the first processor 1102. The first processor 1102 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each operation of the above methods can be completed by the integrated logic circuit of the hardware or by instructions in the form of software in the first processor 1102. The first processor 1102 may be a general-purpose processor, a digital signal processor (DSP), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The first processor 1102 can implement or execute the methods, operations, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor may be a microprocessor or any conventional processor, etc. The operation of the methods disclosed in the embodiments of this application can be directly reflected as being executed by a hardware decoding processor, or being executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium, which is located in the first memory 1103. The first processor 1102 reads the information in the first memory 1103 and combines its hardware to complete the operation of the aforementioned methods.

[0237] In an exemplary embodiment, terminal 1100 may be implemented by one or more application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs), general-purpose processors, controllers, microcontrollers (MCUs), microprocessors, or other electronic components to perform the aforementioned method.

[0238] Based on the hardware implementation of the above program modules, and in order to implement the method on the network device side of this application embodiment, this application embodiment also provides a network device, as shown in FIG12, the network device 1200 includes:

[0239] The second communication interface 1201 is capable of exchanging information with terminals and / or other network devices;

[0240] The second processor 1202 is connected to the second communication interface 1201 to enable information interaction with the terminal and / or other network devices, and to execute the methods provided by one or more technical solutions on the network device side when running computer programs;

[0241] The computer program is stored in the second memory 1203.

[0242] In some embodiments, the second communication interface 1201 is used to send first information to the terminal, the first information being used to configure CSI-RS resources, and the first information including one or more of the following:

[0243] The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32.

[0244] The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32.

[0245] The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs.

[0246] The second piece of information indicates that CSI-RS resources support frequency hopping;

[0247] The third piece of information indicates that CSI-RS resources support antenna port switching.

[0248] It should be noted that the specific processing procedure of the second communication interface 1201 can be understood by referring to the above method, and will not be repeated here.

[0249] Of course, in practical applications, the various components in network device 1200 are coupled together through bus system 1204. It can be understood that bus system 1204 is used to implement communication between these components. In addition to the data bus, bus system 1204 also includes a power bus, a control bus, and a status signal bus. However, for clarity, all buses are labeled as bus system 1204 in Figure 12.

[0250] The second memory 1203 in this embodiment is used to store various types of data to support the operation of the network device 1200. Examples of such data include any computer program used to operate on the network device 1200.

[0251] The methods disclosed in the above embodiments of this application can be applied to the second processor 1202, or implemented by the second processor 1202. The second processor 1202 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each operation of the above methods can be completed by the integrated logic circuit of the hardware or by instructions in the form of software in the second processor 1202. The second processor 1202 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The second processor 1202 can implement or execute the methods, operations, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor may be a microprocessor or any conventional processor, etc. The operation of the methods disclosed in the embodiments of this application can be directly reflected as being executed by a hardware decoding processor, or being executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium, which is located in the second memory 1203. The second processor 1202 reads the information in the second memory 1203 and combines its hardware to complete the operation of the aforementioned methods.

[0252] In an exemplary embodiment, the network device 1200 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components to perform the aforementioned method.

[0253] It is understood that the memories (first memory 1103, second memory 1203) in the embodiments of this application can be volatile memory or non-volatile memory, or both. 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), ferromagnetic random access memory (FRAM), flash memory, magnetic surface memory, optical disc, or compact disc read-only memory (CD-ROM); magnetic surface memory can be disk storage or magnetic tape storage. Volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), SyncLink Dynamic Random Access Memory (SLDRAM), and Direct Rambus Random Access Memory (DRRAM).The memories described in the embodiments of this application are intended to include, but are not limited to, these and any other suitable types of memories.

[0254] To implement the method provided in the embodiments of this application, the embodiments of this application also provide an information transmission system, as shown in FIG13, which includes: a terminal 1301 and a network device 1302.

[0255] It should be noted that the specific processing procedures of the terminal 1301 and network device 1302 have been described in detail above and will not be repeated here.

[0256] In an exemplary embodiment, this application also provides a storage medium, namely a computer storage medium, specifically a computer-readable storage medium, such as a first memory 1103 storing a computer program, which can be executed by the first processor 1102 of the terminal 1100 to complete the operation described in any of the methods on the terminal side. Another example is a second memory 1203 storing a computer program, which can be executed by the second processor 1202 of the network device 1200 to complete the operation described in any of the methods on the network device side. The computer-readable storage medium can be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disc, or CD-ROM.

[0257] In an exemplary embodiment, this application also provides a computer program product, including a computer program that can be executed by a first processor 1102 of a terminal 1100 to perform the operation described in any of the aforementioned terminal-side methods; or, the computer program can be executed by a second processor 1202 of a network device 1200 to perform the operation described in any of the aforementioned network device-side methods.

[0258] It should be noted that terms such as "first" and "second" are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0259] Furthermore, the technical solutions described in the embodiments of this application can be combined arbitrarily without conflict.

[0260] The above description is merely a preferred embodiment of this application and is not intended to limit the scope of protection of this application.

Claims

1. An information transmission method, characterized in that, Applied to terminals, including: The first information sent by the network side is received. The first information is used to configure the Channel State Information Reference Signal (CSI-RS) resource. The first information includes one or more of the following: The first code division multiplexing (CDM) type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32. The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a Physical Resource Block (PRB). Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32. The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs. The second piece of information indicates that CSI-RS resources support frequency hopping; The third piece of information indicates that CSI-RS resources support antenna port switching.

2. The method according to claim 1, characterized in that, The CDM methods corresponding to the first CDM type include one or more of the following: CDM is performed on 16 ports on 16 resource elements (REs) corresponding to 4 frequency domain carriers and 4 time domain symbols; CDM is performed on 16 ports on 16 REs corresponding to 2 frequency domain carriers and 8 time domain symbols; CDM is performed on 32 ports on 32 REs corresponding to 4 frequency domain carriers and 8 time domain symbols.

3. The method according to claim 1, characterized in that, If the first information includes the first CDM type, the first information further includes one or more of the following: The number of ports of the first CSI-RS resource; One or two third parameters associated with the first CSI-RS resource, wherein the third parameter characterizes the position of the first symbol of the CDM group associated with the first CSI-RS resource in the time domain; The fourth information represents the frequency domain location of the first CSI-RS resource.

4. The method according to claim 3, characterized in that, In the case where the CDM method corresponding to the first CDM type includes 16-port CDM on 16 REs corresponding to 4 frequency domain carriers and 4 time domain symbols, The first CSI-RS resource has 64 ports, and it is associated with two third parameters. or, The first CSI-RS resource has 48 ports, the first CSI-RS resource is associated with a third parameter, and the first information does not include the fourth information.

5. The method according to claim 3, characterized in that, When the CDM method corresponding to the first CDM type includes 16 ports of CDM on 16 REs corresponding to 2 frequency domain carriers and 8 time domain symbols, the first CSI-RS resource is associated with a third parameter, and the number of ports of the first CSI-RS resource is 64, 48 or 96; wherein, when the number of ports of the first CSI-RS resource is 96, the first information does not include the fourth information.

6. The method according to claim 3, characterized in that, When the CDM method corresponding to the first CDM type includes 32 ports of CDM on 32 REs corresponding to 4 frequency domain carriers and 8 time domain symbols, the first CSI-RS resource is associated with a third parameter, and the number of ports of the first CSI-RS resource is 64 or 96; wherein, when the number of ports of the first CSI-RS resource is 96, the first information does not include the fourth information.

7. The method according to claim 1, characterized in that, If the first information includes the first parameter, the first information further includes one or more of the following: The number of ports of the second CSI-RS resource; The second CSI-RS resource is associated with the second CDM type; The second CSI-RS resource association has at least three fourth parameters, which characterize the position of the first symbol of the CDM group in the time domain of the second CSI-RS resource association; The fifth piece of information represents the frequency domain location of the second CSI-RS resource.

8. The method according to claim 7, characterized in that, The number of ports of the second CSI-RS resource is 48, 64, 72, 96, or 128, and the number of CDM groups associated with the second CSI-RS resource is equal to the number of ports of the second CSI-RS resource divided by the first parameter.

9. The method according to claim 7, characterized in that, When the CDM method corresponding to the second CDM type includes CDM on two ports on two REs corresponding to two frequency domain carriers and one time domain symbol, the first parameter is equal to 2; or, When the CDM method corresponding to the second CDM type includes CDM on 4 ports on 4 REs corresponding to 2 frequency domain carriers and 2 time domain symbols, the first parameter is equal to 4; or, When the CDM method corresponding to the second CDM type includes CDM on 4 ports on 8 REs corresponding to 2 frequency domain carriers and 4 time domain symbols, the first parameter is equal to 8.

10. The method according to claim 7, characterized in that, Multiple CDM groups within a single PRB are implemented using either Time Division Multiplexing (TDM) or Frequency Division Multiplexing (FDM); among them, In the case where multiple CDM groups in a PRB are implemented via TDM, the first information includes at least three fourth parameters associated with the second CSI-RS resource.

11. The method according to claim 1, characterized in that, If the first information includes the second parameter. When the second parameter is equal to 2, the terminal assumes that half of the port of the third CSI-RS resource is transmitted on the PRB with an even index value, and assumes that the other half of the port of the third CSI-RS resource is transmitted on the PRB with an odd index value. or, When the second parameter equals 4, the terminal assumes that the first part of the port of the third CSI-RS resource is transmitted on a PRB whose index value is divisible by 4, the second part of the port of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 1 when divided by 4, the third part of the port of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 2 when divided by 4, and the fourth part of the port of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 3 when divided by 4.

12. The method according to claim 1, characterized in that, If the first information includes the second parameter. When the second parameter is equal to 2, the terminal assumes that half of the plurality of third CSI-RS resources are transmitted on PRBs with even index values, and assumes that the other half of the plurality of third CSI-RS resources are transmitted on PRBs with odd index values. or, When the second parameter equals 4, the terminal assumes that the first part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value is divisible by 4, assumes that the second part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 1 when divided by 4, assumes that the third part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 2 when divided by 4, and assumes that the fourth part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 3 when divided by 4.

13. The method according to claim 1, characterized in that, The second parameter also characterizes the number of configurations contained in the third CSI-RS resource, and the different configurations contained in the third CSI-RS resource are associated with different PRBs.

14. The method according to claim 1, characterized in that, The second parameter also characterizes the number of configurations contained in the plurality of third CSI-RS resources, and the different configurations contained in the plurality of third CSI-RS resources are associated with different PRBs.

15. The method according to claim 1, characterized in that, The second information characterizes CSI-RS resources to support inter-slot frequency hopping.

16. The method according to claim 15, characterized in that, When the first information includes the second parameter and the second information, and the second parameter equals 2, When the number of transmissions of the third CSI-RS resource is divided by 2, the terminal assumes that the third CSI-RS resource is transmitted only on PRBs with even index values, or assumes that the third CSI-RS resource is transmitted only on PRBs with odd index values. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 1 when divided by 2, the terminal assumes that the third CSI-RS resource is transmitted only on PRBs with odd index values, or assumes that the third CSI-RS resource is transmitted only on PRBs with even index values.

17. The method according to claim 15, characterized in that, When the first information includes the second parameter and the second information, and the second parameter equals 4, When the number of transmissions of the third CSI-RS resource is divisible by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index value is divisible by 4. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 1 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 1 when divided by 4. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 2 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 2 when divided by 4. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 3 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 3 when divided by 4.

18. The method according to claim 1, characterized in that, The second information indicates that the CSI-RS resource supports intra-slot frequency hopping. When the first information includes the second parameter and the second information, the second parameter also indicates the number of configurations included in the third CSI-RS resource. Different configurations included in the third CSI-RS resource are associated with different PRBs.

19. The method according to claim 18, characterized in that, When the second parameter equals 2, the third CSI-RS resource contains two configurations; The terminal assumes that the third CSI-RS resource uses the first of the two configurations on PRBs with even index values, and assumes that the third CSI-RS resource uses the second of the two configurations on PRBs with odd index values. or, The terminal assumes that the third CSI-RS resource uses the first of the two configurations on PRBs with odd index values, and assumes that the third CSI-RS resource uses the second of the two configurations on PRBs with even index values.

20. The method according to claim 18, characterized in that, When the second parameter is equal to 4, the third CSI-RS resource contains four configurations; The terminal assumes that the third CSI-RS resource uses the first configuration of the four configurations on a PRB whose index value is divisible by 4, the second configuration of the four configurations on a PRB whose index value leaves a remainder of 1 when divided by 4, the third configuration of the four configurations on a PRB whose index value leaves a remainder of 2 when divided by 4, and the fourth configuration of the four configurations on a PRB whose index value leaves a remainder of 3 when divided by 4.

21. The method according to claim 1, characterized in that, If the first information includes the third information, the first information also includes a fifth parameter, which characterizes the antenna port switching factor.

22. The method according to claim 21, characterized in that, The third information is associated with the fourth CSI-RS resource, and when the fifth parameter equals 2. When the number of transmissions of the fourth CSI-RS resource is divided by 2, the terminal assumes that the fourth CSI-RS resource is transmitted using half of the antenna ports; or, When the number of transmissions of the fourth CSI-RS resource is divided by 2 and leaves a remainder of 1, the terminal assumes that the fourth CSI-RS resource is transmitted using the other half of the antenna port.

23. The method according to claim 21, characterized in that, The third information is associated with the fourth CSI-RS resource, and when the fifth parameter equals 4... When the number of transmissions of the fourth CSI-RS resource is divisible by 4, the terminal assumes that the fourth CSI-RS resource is transmitted using the first part of the antenna port; or, When the number of transmissions of the fourth CSI-RS resource is divided by 4 and leaves a remainder of 1, the terminal assumes that the fourth CSI-RS resource is transmitted using the second part of the antenna port; or, When the number of transmissions of the fourth CSI-RS resource is divided by 4 and leaves a remainder of 2, the terminal assumes that the fourth CSI-RS resource is transmitted using the third part of the antenna port; or, When the number of transmissions of the fourth CSI-RS resource is divided by 4 and leaves a remainder of 3, the terminal assumes that the fourth CSI-RS resource is transmitted using the fourth part of the antenna port.

24. An information transmission method, characterized in that, Applied to network devices, including: Send first information to the terminal, the first information being used to configure CSI-RS resources, the first information including one or more of the following: The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32. The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32. The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs. The second piece of information indicates that CSI-RS resources support frequency hopping; The third piece of information indicates that CSI-RS resources support antenna port switching.

25. The method according to claim 24, characterized in that, The CDM methods corresponding to the first CDM type include one or more of the following: CDM is performed on 16 ports on 16 REs corresponding to 4 frequency domain carriers and 4 time domain symbols; CDM is performed on 16 ports on 16 REs corresponding to 2 frequency domain carriers and 8 time domain symbols; CDM is performed on 32 ports on 32 REs corresponding to 4 frequency domain carriers and 8 time domain symbols.

26. The method according to claim 24, characterized in that, If the first information includes the first CDM type, the first information further includes one or more of the following: The number of ports of the first CSI-RS resource; One or two third parameters associated with the first CSI-RS resource, wherein the third parameter characterizes the position of the first symbol of the CDM group associated with the first CSI-RS resource in the time domain; The fourth information represents the frequency domain location of the first CSI-RS resource.

27. The method according to claim 26, characterized in that, In the case where the CDM method corresponding to the first CDM type includes 16-port CDM on 16 REs corresponding to 4 frequency domain carriers and 4 time domain symbols, The first CSI-RS resource has 64 ports, and it is associated with two third parameters. or, The first CSI-RS resource has 48 ports, the first CSI-RS resource is associated with a third parameter, and the first information does not include the fourth information.

28. The method according to claim 26, characterized in that, When the CDM method corresponding to the first CDM type includes 16 ports of CDM on 16 REs corresponding to 2 frequency domain carriers and 8 time domain symbols, the first CSI-RS resource is associated with a third parameter, and the number of ports of the first CSI-RS resource is 64, 48 or 96; wherein, when the number of ports of the first CSI-RS resource is 96, the first information does not include the fourth information.

29. The method according to claim 26, characterized in that, When the CDM method corresponding to the first CDM type includes 32 ports of CDM on 32 REs corresponding to 4 frequency domain carriers and 8 time domain symbols, the first CSI-RS resource is associated with a third parameter, and the number of ports of the first CSI-RS resource is 64 or 96; wherein, when the number of ports of the first CSI-RS resource is 96, the first information does not include the fourth information.

30. The method according to claim 24, characterized in that, If the first information includes the first parameter, the first information further includes one or more of the following: The number of ports of the second CSI-RS resource; The second CSI-RS resource is associated with the second CDM type; The second CSI-RS resource association has at least three fourth parameters, which characterize the position of the first symbol of the CDM group in the time domain of the second CSI-RS resource association; The fifth piece of information represents the frequency domain location of the second CSI-RS resource.

31. The method according to claim 30, characterized in that, The number of ports of the second CSI-RS resource is 48, 64, 72, 96, or 128, and the number of CDM groups associated with the second CSI-RS resource is equal to the number of ports of the second CSI-RS resource divided by the first parameter.

32. The method according to claim 30, characterized in that, When the CDM method corresponding to the second CDM type includes CDM on two ports on two REs corresponding to two frequency domain carriers and one time domain symbol, the first parameter is equal to 2; or, When the CDM method corresponding to the second CDM type includes CDM on 4 ports on 4 REs corresponding to 2 frequency domain carriers and 2 time domain symbols, the first parameter is equal to 4; or, When the CDM method corresponding to the second CDM type includes CDM on 4 ports on 8 REs corresponding to 2 frequency domain carriers and 4 time domain symbols, the first parameter is equal to 8.

33. The method according to claim 30, characterized in that, Multiple CDM groups within a single PRB are implemented using either TDM or FDM methods; among them, In the case where multiple CDM groups in a PRB are implemented via TDM, the first information includes at least three fourth parameters associated with the second CSI-RS resource.

34. The method according to claim 24, characterized in that, If the first information includes the second parameter. When the second parameter is equal to 2, the terminal assumes that half of the port of the third CSI-RS resource is transmitted on the PRB with an even index value, and assumes that the other half of the port of the third CSI-RS resource is transmitted on the PRB with an odd index value. or, When the second parameter equals 4, the terminal assumes that the first part of the port of the third CSI-RS resource is transmitted on a PRB whose index value is divisible by 4, the second part of the port of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 1 when divided by 4, the third part of the port of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 2 when divided by 4, and the fourth part of the port of the third CSI-RS resource is transmitted on a PRB whose index value leaves a remainder of 3 when divided by 4.

35. The method according to claim 24, characterized in that, If the first information includes the second parameter. When the second parameter is equal to 2, the terminal assumes that half of the plurality of third CSI-RS resources are transmitted on PRBs with even index values, and assumes that the other half of the plurality of third CSI-RS resources are transmitted on PRBs with odd index values. or, When the second parameter equals 4, the terminal assumes that the first part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value is divisible by 4, assumes that the second part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 1 when divided by 4, assumes that the third part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 2 when divided by 4, and assumes that the fourth part of the third CSI-RS resources among the plurality of third CSI-RS resources is sent on a PRB whose index value leaves a remainder of 3 when divided by 4.

36. The method according to claim 24, characterized in that, The second parameter also characterizes the number of configurations contained in the third CSI-RS resource, and the different configurations contained in the third CSI-RS resource are associated with different PRBs.

37. The method according to claim 24, characterized in that, The second parameter also characterizes the number of configurations contained in the plurality of third CSI-RS resources, and the different configurations contained in the plurality of third CSI-RS resources are associated with different PRBs.

38. The method according to claim 24, characterized in that, The second information characterizes CSI-RS resources to support inter-slot frequency hopping.

39. The method according to claim 38, characterized in that, When the first information includes the second parameter and the second information, and the second parameter equals 2, When the number of transmissions of the third CSI-RS resource is divided by 2, the terminal assumes that the third CSI-RS resource is transmitted only on PRBs with even index values, or assumes that the third CSI-RS resource is transmitted only on PRBs with odd index values. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 1 when divided by 2, the terminal assumes that the third CSI-RS resource is transmitted only on PRBs with odd index values, or assumes that the third CSI-RS resource is transmitted only on PRBs with even index values.

40. The method according to claim 34, characterized in that, When the first information includes the second parameter and the second information, and the second parameter equals 4, When the number of transmissions of the third CSI-RS resource is divisible by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index value is divisible by 4. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 1 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 1 when divided by 4. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 2 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 2 when divided by 4. or, When the number of transmissions of the third CSI-RS resource leaves a remainder of 3 when divided by 4, the terminal assumes that the third CSI-RS resource is only transmitted on PRBs whose index values ​​leave a remainder of 3 when divided by 4.

41. The method according to claim 24, characterized in that, The second information indicates that the CSI-RS resource supports intra-slot frequency hopping. When the first information includes the second parameter and the second information, the second parameter also indicates the number of configurations included in the third CSI-RS resource. Different configurations included in the third CSI-RS resource are associated with different PRBs.

42. The method according to claim 41, characterized in that, When the second parameter equals 2, the third CSI-RS resource contains two configurations; The terminal assumes that the third CSI-RS resource uses the first of the two configurations on PRBs with even index values, and assumes that the third CSI-RS resource uses the second of the two configurations on PRBs with odd index values. or, The terminal assumes that the third CSI-RS resource uses the first of the two configurations on PRBs with odd index values, and assumes that the third CSI-RS resource uses the second of the two configurations on PRBs with even index values.

43. The method according to claim 41, characterized in that, When the second parameter is equal to 4, the third CSI-RS resource contains four configurations; The terminal assumes that the third CSI-RS resource uses the first configuration of the four configurations on a PRB whose index value is divisible by 4, the second configuration of the four configurations on a PRB whose index value leaves a remainder of 1 when divided by 4, the third configuration of the four configurations on a PRB whose index value leaves a remainder of 2 when divided by 4, and the fourth configuration of the four configurations on a PRB whose index value leaves a remainder of 3 when divided by 4.

44. The method according to claim 24, characterized in that, If the first information includes the third information, the first information also includes a fifth parameter, which characterizes the antenna port switching factor.

45. The method according to claim 44, characterized in that, The third information is associated with the fourth CSI-RS resource, and when the fifth parameter equals 2. When the number of transmissions of the fourth CSI-RS resource is divided by 2, the terminal assumes that the fourth CSI-RS resource is transmitted using half of the antenna ports; or, When the number of transmissions of the fourth CSI-RS resource is divided by 2 and leaves a remainder of 1, the terminal assumes that the fourth CSI-RS resource is transmitted using the other half of the antenna port.

46. ​​The method according to claim 44, characterized in that, The third information is associated with the fourth CSI-RS resource, and when the fifth parameter equals 4... When the number of transmissions of the fourth CSI-RS resource is divisible by 4, the terminal assumes that the fourth CSI-RS resource is transmitted using the first part of the antenna port; or, When the number of transmissions of the fourth CSI-RS resource is divided by 4 and leaves a remainder of 1, the terminal assumes that the fourth CSI-RS resource is transmitted using the second part of the antenna port; or, When the number of transmissions of the fourth CSI-RS resource is divided by 4 and leaves a remainder of 2, the terminal assumes that the fourth CSI-RS resource is transmitted using the third part of the antenna port; or, When the number of transmissions of the fourth CSI-RS resource is divided by 4 and leaves a remainder of 3, the terminal assumes that the fourth CSI-RS resource is transmitted using the fourth part of the antenna port.

47. An information transmission device, characterized in that, include: The first receiving unit is configured to receive first information sent by the network side, the first information being used to configure CSI-RS resources, and the first information including one or more of the following: The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32. The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32. The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs. The second piece of information indicates that CSI-RS resources support frequency hopping; The third piece of information indicates that CSI-RS resources support antenna port switching.

48. An information transmission device, characterized in that, include: A first transmitting unit is configured to transmit first information to a terminal, the first information being used to configure CSI-RS resources, and the first information including one or more of the following: The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32. The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32. The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs. The second piece of information indicates that CSI-RS resources support frequency hopping; The third piece of information indicates that CSI-RS resources support antenna port switching.

49. A terminal, characterized in that, include: A first communication interface and a first processor; wherein... The first communication interface is used to receive first information sent by the network side, the first information being used to configure CSI-RS resources, and the first information including one or more of the following: The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32. The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32. The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs. The second piece of information indicates that CSI-RS resources support frequency hopping; The third piece of information indicates that CSI-RS resources support antenna port switching.

50. A network device, characterized in that, include: A second communication interface and a second processor; wherein... The second communication interface is used to send first information to the terminal, the first information being used to configure CSI-RS resources, and the first information including one or more of the following: The first CDM type is associated with the first CSI-RS resource, and the number of ports of the first CSI-RS resource is greater than 32. The first parameter represents the number of CSI-RS resource ports corresponding to a CDM group in a PRB. Multiple CDM groups in a PRB are associated with a second CSI-RS resource, and the number of ports of the second CSI-RS resource is greater than 32. The second parameter represents the number of PRBs associated with the third CSI-RS resource, wherein the number of ports of the third CSI-RS resource is greater than 32 or the sum of the number of ports of multiple third CSI-RS resources is greater than 32, and the ports of the third CSI-RS resource are allocated on multiple associated PRBs. The second piece of information indicates that CSI-RS resources support frequency hopping; The third piece of information indicates that CSI-RS resources support antenna port switching.

51. A terminal, characterized in that, include: A first processor and a first memory for storing computer programs capable of running on the processor. Wherein, when the first processor is used to run the computer program, it performs the operation of the method according to any one of claims 1 to 23.

52. A network device, characterized in that, include: A second processor and a second memory for storing computer programs that can run on the processor. Wherein, when the second processor is used to run the computer program, it performs the operation of the method according to any one of claims 24 to 46.

53. A storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it performs the operation of the method according to any one of claims 1 to 23, or performs the operation of the method according to any one of claims 24 to 46.

54. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it performs the operation of the method according to any one of claims 1 to 23, or performs the operation of the method according to any one of claims 24 to 46.

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