Communication methods, communication device, storage medium and program product
By determining the reference signal position under the discontinuous allocation of PUSCH time-domain resources, the problem of DMRS transmission collision is solved, transmission reliability is improved, and system performance is enhanced.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- BEIJING XIAOMI MOBILE SOFTWARE CO LTD
- Filing Date
- 2024-11-08
- Publication Date
- 2026-05-15
AI Technical Summary
In the prior art, the continuous allocation of time-domain resources of the Physical Uplink Shared Channel (PUSCH) leads to conflicts in the transmission of the Demodulation Reference Signal (DMRS), affecting transmission reliability.
In the case of discontinuous allocation of time-domain resources in PUSCH, the transmission of the reference signal is achieved by determining the position of the reference signal on the discontinuous time-domain resources, thereby avoiding uplink transmission conflicts and improving transmission reliability.
This enhances system performance, improves the reliability of reference signal transmission, avoids signal loss due to collisions, and improves the overall performance of the communication system.
Smart Images

Figure CN2024131138_15052026_PF_FP_ABST
Abstract
Description
Communication methods, communication equipment, storage media and software products Technical Field
[0001] This disclosure relates to the field of wireless communication, and more particularly to a communication method, communication device, storage medium, and program product. Background Technology
[0002] The Physical Uplink Shared Channel (PUSCH) is the physical channel for transmitting uplink data and control information from the terminal. The time-domain resources of the PUSCH are allocated continuously within a time slot. The Demodulation Reference Signal (DMRS) is used for demodulation in both the downlink and uplink, and it is transmitted within the time-domain resources of the PUSCH.
[0003] Summary of the Invention
[0004] How to achieve DMRS transmission when PUSCH time-domain resources are not allocated discontinuously is a technical problem that urgently needs to be solved.
[0005] This disclosure provides a communication method, a communication device, a storage medium, and a program product.
[0006] According to a first aspect of the present disclosure, a communication method is provided, executed by a terminal. The method includes: determining a time-domain position of a first reference signal within a first time-domain resource based on a first time-domain resource of a PUSCH; wherein the symbols included in the first time-domain resource are discontinuous in the time domain.
[0007] According to a second aspect of the present disclosure, a communication method is provided, performed by a network device. The method includes: determining a time-domain position of a first reference signal within a first time-domain resource based on a first time-domain resource of a PUSCH; wherein the symbols included in the first time-domain resource are discontinuous in the time domain.
[0008] According to a third aspect of the present disclosure, a terminal is provided, the terminal comprising: a processing module configured to determine the time domain position of a first reference signal in the first time domain resource based on the first time domain resource of the PUSCH; wherein the symbols included in the first time domain resource are discontinuous in the time domain.
[0009] According to a fourth aspect of the present disclosure, a network device is provided. The network device includes: a processing module configured to determine, based on a first time-domain resource of a PUSCH, the time-domain position of a first reference signal within the first time-domain resource; wherein the symbols included in the first time-domain resource are discontinuous in the time domain.
[0010] According to a fifth aspect of this disclosure, a communication device is provided. The communication device includes one or more processors. The communication device is used to perform the steps of the communication method as described in the first or second aspect. The communication system can be a terminal or a network device.
[0011] According to a sixth aspect of the present disclosure, a communication system is provided. The communication system includes a terminal and a network device, wherein the terminal is configured to perform the steps of the communication method as described in the first aspect; and the network device is configured to perform the steps of the communication method as described in the second aspect.
[0012] According to a seventh aspect of the present disclosure, a computer-readable storage medium is provided that stores a computer program thereon, wherein the computer program, when executed by a processor, implements the steps of the communicating parties as described in the first or second aspect.
[0013] According to an eighth aspect of the present disclosure, a computer program product is provided, comprising a computer program that, when executed by a processor, implements the steps of the communication method as described in the first or second aspect.
[0014] According to a ninth aspect of the present disclosure, a computer program is provided. When the computer program is run on a computer, it causes the computer to perform the methods described in the first or second aspect.
[0015] According to a tenth aspect of this disclosure, a chip or chip system is provided. The chip or chip system includes processing circuitry. The processing circuitry is configured to perform the methods described in the first or second aspect.
[0016] According to embodiments of this disclosure, DMRS transmission is implemented when the time-domain resources of PUSCH are not allocated discontinuously, thereby enhancing system performance.
[0017] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not constitute a limitation on the embodiments of this disclosure. Attached Figure Description
[0018] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments of the invention.
[0019] Figure 1A is a schematic diagram of an architecture of a communication system provided according to an embodiment of the present disclosure.
[0020] Figure 1B is a schematic diagram of PUSCH time-domain resource allocation according to an embodiment of the present disclosure.
[0021] Figure 1C is a schematic diagram of multi-PUSCHs scheduling provided according to an embodiment of the present disclosure.
[0022] Figure 1D is a schematic diagram of DMRS in release 15 provided according to an embodiment of the present disclosure.
[0023] Figure 1E is a schematic diagram of DMRS in release 18 provided according to an embodiment of the present disclosure.
[0024] Figure 1F is a schematic diagram of a PUSCH provided according to an embodiment of the present disclosure.
[0025] Figure 2A is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure.
[0026] Figure 2B is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure.
[0027] Figure 3A is a schematic diagram of a first time-domain resource provided according to an embodiment of the present disclosure.
[0028] Figure 3B is a schematic diagram of a symbol index of a first reference signal provided according to an embodiment of the present disclosure.
[0029] Figure 3C is another schematic diagram of a first time-domain resource provided according to an embodiment of the present disclosure.
[0030] Figure 3D is another schematic diagram of the symbol index of the first reference signal provided according to an embodiment of the present disclosure.
[0031] Figure 4 is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure.
[0032] Figure 5 is a schematic diagram of a communication device provided according to an embodiment of the present disclosure.
[0033] Figure 6A is a schematic diagram of another structure of a communication device provided according to an embodiment of the present disclosure.
[0034] Figure 6B is a schematic diagram of a chip structure provided according to an embodiment of the present disclosure. Detailed Implementation
[0035] This disclosure provides a communication method, device, communication system, storage medium, and program product.
[0036] In a first aspect, embodiments of this disclosure provide a communication method executed by a terminal. The method includes: determining the time-domain position of a first reference signal within a first time-domain resource based on a first time-domain resource of a PUSCH; wherein the symbols included in the first time-domain resource are discontinuous in the time domain.
[0037] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: determining the time domain position of the first reference signal in the first time domain resource based on the first time domain resource; wherein the symbols included in the first time domain resource are discontinuous in the time domain, and the first time domain resource is used to send PUSCH and the first reference signal to the network device.
[0038] In this embodiment of the disclosure, when the first time domain resources of PUSCH are not allocated discontinuously, the terminal determines the position of the first reference signal on the first time domain resources so as to transmit the first reference signal at that position and realize the transmission of the first reference signal. In this way, the first reference signal can be avoided from being dropped due to uplink transmission conflicts, thereby improving the reliability of the first reference signal transmission and enhancing system performance.
[0039] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: determining the symbol index of the first reference signal based on the number of symbols of the first time-domain resource, wherein the symbol index of the first reference signal is the symbol index of the first reference signal in the first time-domain resource, and the symbol index of the first reference signal indicates the symbol of the first reference signal in the first time-domain resource.
[0040] In this embodiment of the disclosure, by determining the symbol index of the first reference signal in the first time domain resource as the index of the first reference signal, the first reference signal is transmitted in the discontinuously allocated first time domain resource. This avoids the first reference signal being dropped due to uplink transmission conflicts, thereby improving the reliability of the first reference signal transmission and enhancing system performance.
[0041] In conjunction with some embodiments of the first aspect, in some embodiments, the symbol index of the starting symbol of the first time-domain resource is 0, and the symbol index of the first time-domain resource is referenced to the starting symbol, with the symbol of each PUSCH incremented by 1 successively.
[0042] In this embodiment of the disclosure, the symbol index of the first time-domain resource of PUSCH is to sequentially number the symbols of PUSCH with the start symbol of PUSCH as the reference point, so as to ensure that the first reference signal is transmitted in the first time-domain resource. In this way, the first reference signal is avoided from being dropped due to uplink transmission conflict, thereby improving the reliability of the first reference signal transmission and enhancing system performance.
[0043] In conjunction with some embodiments of the first aspect, in some embodiments, the symbol index of the first reference signal is i, the symbol index of the first reference signal indicates the (i+1)th symbol in the first time-domain resource, where i is an integer greater than or equal to 0.
[0044] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: determining the number of symbols of the first time-domain resource based on the number of symbols indicated by N first parameters, where N is a positive integer; wherein the N first parameters are configured by the network device and are used to determine the symbols included in the first time-domain resource.
[0045] In conjunction with some embodiments of the first aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by the following expression (1):
[0046] Among them, l d L represents the number of symbols in the first time-domain resource. n The number of symbols indicated by the first parameter, n = 0, 1, ..., N-1.
[0047] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: determining the number of symbols in a first time domain resource based on the number of symbols indicated by a first parameter and the number of symbols in a second time domain resource; wherein the first parameter is configured by the network device, the first parameter is used to determine the symbols included in the third time domain resource, the first time domain resource is a third time domain resource other than the second time domain resource, and the second time domain resource is not used for PUSCH.
[0048] In conjunction with some embodiments of the first aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by the following expression (2):
[0049] l d =LL′ (2)
[0050] Among them, l d L represents the number of symbols in the first time-domain resource, L represents the number of symbols in the third time-domain resource, and L′ represents the number of symbols in the third time-domain resource that overlap with the second time-domain resource.
[0051] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: receiving first information sent by a network device, the first information including N first parameters, the first parameters indicating at least one time-domain resource, where N is a positive integer; and determining the time-domain resource indicated by the N first parameters as the first time-domain resource.
[0052] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: receiving second information sent by a network device, the second information including a first parameter, the first parameter indicating a third time-domain resource; and identifying the third time-domain resource other than the second time-domain resource as the first time-domain resource.
[0053] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: receiving first information sent by a network device, the first information being used to configure a first time domain resource.
[0054] In conjunction with some embodiments of the first aspect, in some embodiments, the first information includes N first parameters, where N is an integer greater than 1; the above method further includes: determining the number of symbols of the first time-domain resource based on the number of symbols indicated by each of the N first parameters.
[0055] In conjunction with some embodiments of the first aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (1).
[0056] In conjunction with some embodiments of the first aspect, in some embodiments, the first information includes a first parameter, and the above method further includes: determining the number of symbols in the first time domain resource based on the number of symbols indicated by the first parameter and the number of symbols in the second time domain resource, wherein the second time domain resource is a time domain resource not used for PUSCH as defined by the protocol or indicated by the network device. Here, the first time domain resource is a time domain resource other than the second time domain resource among the time domain resources (i.e., the third time domain resource) indicated by the first parameter, that is, the third time domain resource other than the second time domain resource.
[0057] In conjunction with some embodiments of the first aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (2).
[0058] In conjunction with some embodiments of the first aspect, in some embodiments, the PUSCH does not use intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one time slot; or, the PUSCH uses intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one frequency hopping.
[0059] In a second aspect, embodiments of this disclosure provide a communication method performed by a network device. The method includes: determining the temporal position of a first reference signal within a first temporal resource based on a first temporal resource of a PUSCH; wherein the symbols included in the first temporal resource are discontinuous in the temporal domain.
[0060] In conjunction with some embodiments of the first aspect, in some embodiments, the above method further includes: determining the time domain position of the first reference signal in the first time domain resource according to the first time domain resource; wherein the symbols included in the first time domain resource are discontinuous in the time domain, and the first time domain resource is used to receive the PUSCH and the first reference signal sent by the receiving terminal.
[0061] In this embodiment of the disclosure, when the time-domain resources of the PUSCH are not distributed, the network device determines the position of the first reference signal on the time-domain resources of the PUSCH so as to receive the first reference signal at that position and realize the transmission of the first reference signal. In this way, the first reference signal can be avoided from being dropped due to uplink transmission conflicts, thereby improving the reliability of the first reference signal transmission and enhancing system performance.
[0062] In conjunction with some embodiments of the second aspect, in some embodiments, the above method further includes: determining the symbol index of the first reference signal based on the number of symbols of the first time-domain resource, wherein the symbol index of the first reference signal is the symbol index of the first reference signal in the first time-domain resource, and the symbol index of the first reference signal indicates the symbol of the first reference signal in the first time-domain resource.
[0063] In conjunction with some embodiments of the second aspect, in some embodiments, the symbol index of the starting symbol of the first time-domain resource is 0, and the symbol index of the first time-domain resource is referenced to the starting symbol, with the symbol of each PUSCH incremented by 1 successively.
[0064] In conjunction with some embodiments of the second aspect, in some embodiments, the symbol index of the first reference signal is i, the symbol index of the first reference signal indicates the (i+1)th symbol in the first time domain resource, and i is an integer greater than or equal to 0.
[0065] In conjunction with some embodiments of the second aspect, in some embodiments, the above method further includes: determining the number of symbols of the first time-domain resource based on the number of symbols indicated by N first parameters, where N is a positive integer; wherein the N first parameters are configured by the network device and are used to determine the symbols included in the first time-domain resource.
[0066] In conjunction with some embodiments of the second aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (1).
[0067] In conjunction with some embodiments of the second aspect, in some embodiments, the above method further includes: determining the number of symbols in the first time domain resource based on the number of symbols indicated by a first parameter and the number of symbols in the second time domain resource; wherein the first parameter is configured by the network device, the first parameter is used to determine the symbols included in the third time domain resource, the first time domain resource is a third time domain resource other than the second time domain resource, and the second time domain resource is not used for PUSCH.
[0068] In conjunction with some embodiments of the second aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (2).
[0069] In conjunction with some embodiments of the second aspect, in some embodiments, the above method further includes: sending first information to a terminal, the first information including N first parameters, the first parameters indicating at least one time-domain resource, N being a positive integer, and the first time-domain resource being the time-domain resource indicated by the N first parameters.
[0070] In conjunction with some embodiments of the second aspect, in some embodiments, the above method further includes: sending second information to the terminal, the second information including a first parameter, the first parameter indicating a third time domain resource; the first time domain resource is a third time domain resource other than the second time domain resource.
[0071] In conjunction with some embodiments of the second aspect, in some embodiments, the above method further includes: sending first information to the terminal, the first information being used to configure first time domain resources.
[0072] In conjunction with some embodiments of the second aspect, in some embodiments, the first information includes N first parameters, where N is an integer greater than 1; the above method further includes: determining the number of symbols of the first time domain resource based on the number of symbols indicated by each of the N first parameters.
[0073] In conjunction with some embodiments of the second aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (1).
[0074] In conjunction with some embodiments of the second aspect, in some embodiments, the first information includes a first parameter, and the above method further includes: determining the number of symbols in the first time domain resource based on the number of symbols indicated by the first parameter and the number of symbols in the second time domain resource, wherein the second time domain resource is a time domain resource not used for PUSCH as defined by the protocol or indicated by the network device. Here, the first time domain resource is a time domain resource other than the second time domain resource among the time domain resources (i.e., the third time domain resource) indicated by the first parameter, that is, the third time domain resource other than the second time domain resource.
[0075] In conjunction with some embodiments of the second aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (2).
[0076] In conjunction with some embodiments of the second aspect, in some embodiments, the PUSCH does not use intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one time slot; or, the PUSCH uses intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one frequency hopping.
[0077] In a third aspect, embodiments of this disclosure provide a communication device, such as a terminal. The communication device includes: a processing module configured to determine the temporal position of a first reference signal within a first temporal resource based on a first temporal resource of a PUSCH; wherein the symbols included in the first temporal resource are discontinuous in the temporal domain.
[0078] In conjunction with some embodiments of the third aspect, in some embodiments, the processing module is configured to determine the time domain position of the first reference signal in the first time domain resource based on the first time domain resource; wherein the symbols included in the first time domain resource are discontinuous in the time domain, and the first time domain resource is used to send PUSCH and the first reference signal to the network device.
[0079] In conjunction with some embodiments of the third aspect, in some embodiments, the processing module is further configured to: determine the symbol index of the first reference signal based on the number of symbols of the first time-domain resource, wherein the symbol index of the first reference signal is the symbol index of the first reference signal in the first time-domain resource, and the symbol index of the first reference signal indicates the symbol of the first reference signal in the first time-domain resource.
[0080] In conjunction with some embodiments of the third aspect, in some embodiments, the symbol index of the starting symbol of the first time-domain resource is 0, and the symbol index of the first time-domain resource is referenced to the starting symbol, with the symbol of each PUSCH incremented by 1 successively.
[0081] In conjunction with some embodiments of the third aspect, in some embodiments, the symbol index of the first reference signal is i, the symbol index of the first reference signal indicates the (i+1)th symbol in the first time domain resource, where i is an integer greater than or equal to 0.
[0082] In conjunction with some embodiments of the third aspect, in some embodiments, the processing module is further configured to: determine the number of symbols of the first time-domain resource based on the number of symbols indicated by N first parameters, where N is a positive integer; wherein the N first parameters are configured by the network device and are used to determine the symbols included in the first time-domain resource.
[0083] In conjunction with some embodiments of the third aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (1).
[0084] In conjunction with some embodiments of the third aspect, in some embodiments, the processing module is further configured to: determine the number of symbols in the first time domain resource based on the number of symbols indicated by a first parameter and the number of symbols in the second time domain resource; wherein the first parameter is configured by the network device, the first parameter is used to determine the symbols included in the third time domain resource, the first time domain resource is a third time domain resource other than the second time domain resource, and the second time domain resource is not used for PUSCH.
[0085] In conjunction with some embodiments of the third aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (2).
[0086] In conjunction with some embodiments of the third aspect, in some embodiments, the above-mentioned communication device further includes a transceiver module; the transceiver module is configured to: receive first information sent by the network device, the first information including N first parameters, the first parameters indicating at least one time-domain resource, where N is a positive integer; the processing module is further configured to: determine the time-domain resource indicated by the N first parameters as the first time-domain resource.
[0087] In conjunction with some embodiments of the third aspect, in some embodiments, the above-mentioned communication device further includes a transceiver module; the transceiver module is configured to: receive second information sent by a network device, the second information including a first parameter, the first parameter indicating a third time domain resource; the processing module is further configured to determine the third time domain resource other than the second time domain resource as the first time domain resource.
[0088] In conjunction with some embodiments of the third aspect, in some embodiments, the above-mentioned communication device further includes a transceiver module; the transceiver module is configured to receive first information sent by the network device, the first information being used to configure first time domain resources.
[0089] In conjunction with some embodiments of the third aspect, in some embodiments, the first information includes N first parameters, where N is an integer greater than 1; the processing module is further configured to determine the number of symbols of the first time-domain resource based on the number of symbols indicated by each of the N first parameters.
[0090] In conjunction with some embodiments of the third aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (1).
[0091] In conjunction with some embodiments of the third aspect, in some embodiments, the first information includes a first parameter. The processing module is further configured to determine the number of symbols in the first time domain resource based on the number of symbols indicated by the first parameter and the number of symbols in the second time domain resource. The second time domain resource is a time domain resource not used for PUSCH, as agreed upon by the protocol or indicated by the network device. Here, the first time domain resource is a time domain resource other than the second time domain resource among the time domain resources (i.e., the third time domain resource) indicated by the first parameter, that is, the third time domain resource other than the second time domain resource.
[0092] In conjunction with some embodiments of the third aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (2).
[0093] In conjunction with some embodiments of the third aspect, in some embodiments, the PUSCH does not use intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one time slot; or, the PUSCH uses intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one frequency hopping.
[0094] In a fourth aspect, embodiments of this disclosure provide a communication device, such as a network device. The communication device includes: a processing module configured to determine the temporal position of a first reference signal within a first temporal resource based on a first temporal resource of a PUSCH; wherein the symbols included in the first temporal resource are discontinuous in the temporal domain.
[0095] In conjunction with some embodiments of the fourth aspect, in some embodiments, the processing module is configured to determine the time domain position of the first reference signal in the first time domain resource based on the first time domain resource; wherein the symbols included in the first time domain resource are discontinuous in the time domain, and the first time domain resource is used to send PUSCH and the first reference signal to the network device.
[0096] In conjunction with some embodiments of the fourth aspect, in some embodiments, the processing module is further configured to determine the symbol index of the first reference signal based on the number of symbols of the first time-domain resource, wherein the symbol index of the first reference signal is the symbol index of the first reference signal in the first time-domain resource, and the symbol index of the first reference signal indicates the symbol of the first reference signal in the first time-domain resource.
[0097] In conjunction with some embodiments of the fourth aspect, in some embodiments, the symbol index of the starting symbol of the first time-domain resource is 0, and the symbol index of the first time-domain resource is referenced to the starting symbol, with the symbol of each PUSCH incremented by 1 successively.
[0098] In conjunction with some embodiments of the fourth aspect, in some embodiments, the symbol index of the first reference signal is i, the symbol index of the first reference signal indicates the (i+1)th symbol in the first time domain resource, where i is an integer greater than or equal to 0.
[0099] In conjunction with some embodiments of the fourth aspect, in some embodiments, the processing module is further configured to determine the number of symbols of the first time-domain resource based on the number of symbols indicated by N first parameters, where N is a positive integer; wherein the N first parameters are configured by the network device and are used to determine the symbols included in the first time-domain resource.
[0100] In conjunction with some embodiments of the fourth aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (1).
[0101] In conjunction with some embodiments of the fourth aspect, in some embodiments, the processing module is further configured to determine the number of symbols in the first time domain resource based on the number of symbols indicated by a first parameter and the number of symbols in the second time domain resource; wherein the first parameter is configured by the network device, the first parameter is used to determine the symbols included in the third time domain resource, the first time domain resource is a third time domain resource other than the second time domain resource, and the second time domain resource is not used for PUSCH.
[0102] In conjunction with some embodiments of the fourth aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (2).
[0103] In conjunction with some embodiments of the fourth aspect, in some embodiments, the above-mentioned communication device further includes a transceiver module; the transceiver module is configured to send first information to a terminal, the first information including N first parameters, the first parameters indicating at least one time-domain resource, N being a positive integer, and the first time-domain resource being the time-domain resource indicated by the N first parameters.
[0104] In conjunction with some embodiments of the fourth aspect, in some embodiments, the above-mentioned communication device further includes a transceiver module; the transceiver module is configured to send second information to a terminal, the second information including a first parameter, the first parameter indicating a third time domain resource, the first time domain resource being a third time domain resource other than the second time domain resource.
[0105] In conjunction with some embodiments of the fourth aspect, in some embodiments, the above-described communication device further includes a transceiver module; the transceiver module is configured to send first information to the terminal, the first information being used to configure first time domain resources.
[0106] In conjunction with some embodiments of the fourth aspect, in some embodiments, the first information includes N first parameters, where N is an integer greater than 1; the processing module is further configured to determine the number of symbols of the first time-domain resource based on the number of symbols indicated by each of the N first parameters.
[0107] In conjunction with some embodiments of the fourth aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (1).
[0108] In conjunction with some embodiments of the fourth aspect, in some embodiments, the first information includes a first parameter. The processing module is further configured to determine the number of symbols in the first time domain resource based on the number of symbols indicated by the first parameter and the number of symbols in the second time domain resource. The second time domain resource is a time domain resource not used for PUSCH, as agreed upon by the protocol or indicated by the network device. Here, the first time domain resource is a time domain resource other than the second time domain resource among the time domain resources (i.e., the third time domain resource) indicated by the first parameter, that is, the third time domain resource other than the second time domain resource.
[0109] In conjunction with some embodiments of the fourth aspect, in some embodiments, the number of symbols for the first time-domain resource is determined by expression (2).
[0110] In conjunction with some embodiments of the fourth aspect, in some embodiments, the PUSCH does not use intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one time slot; or, the PUSCH uses intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one frequency hopping.
[0111] In a fifth aspect, embodiments of this disclosure provide a communication device. The communication device includes one or more processors. The communication device is used to perform the methods described in any of the first, second, and embodiments thereof.
[0112] In conjunction with some embodiments of the fifth aspect, in some embodiments, the communication device is a terminal or a network device.
[0113] In a sixth aspect, embodiments of this disclosure provide a communication system. The communication system includes a terminal and a network device. The terminal is used to implement the method as described in any of the first aspect and its embodiments. The network device is used to implement the method as described in any of the second aspect and its embodiments.
[0114] In a seventh aspect, embodiments of this disclosure provide a computer-readable storage medium. The storage medium stores instructions. When executed on a communication device, the instructions cause the communication device to perform the methods described in the first aspect, the second aspect, and their embodiments.
[0115] In conjunction with some embodiments of the seventh aspect, in some embodiments, the communication device is a terminal or a network device.
[0116] In an eighth aspect, embodiments of this disclosure provide a computer program product. When executed by a communication device, the program product causes the communication device to perform the methods described in any of the first, second, and embodiments thereof.
[0117] In conjunction with some embodiments of the eighth aspect, in some embodiments, the communication device is a terminal or a network device.
[0118] In a ninth aspect, embodiments of this disclosure provide a computer program. When this computer program is run on a computer, it causes the computer to perform the methods described in any of the first, second, and embodiments thereof.
[0119] In a tenth aspect, embodiments of this disclosure provide a chip or chip system. The chip or chip system includes processing circuitry. The processing circuitry is configured to perform the methods described in any of the first, second, and embodiments thereof.
[0120] It is understood that the aforementioned communication devices, communication systems, storage media, computer program products, computer programs, chips, and chip systems are all used to execute the methods provided in the embodiments of this disclosure. Therefore, the beneficial effects they can achieve can be referred to the beneficial effects in the corresponding methods, and will not be repeated here.
[0121] This disclosure provides a communication method, a communication device, a storage medium, and a program product. In some embodiments, terms such as communication method, information processing method, uplink transmission method, uplink transmission processing method, reference signal transmission method, and reference signal processing method can be used interchangeably; terms such as terminal, communication device, data transmission device, reference signal transmission device, network device, communication equipment, network function, and network entity can be used interchangeably; and terms such as communication system, information processing system, data transmission system, and satellite communication system can be used interchangeably.
[0122] This disclosure is not exhaustive, but merely illustrative of some embodiments, and is not intended to limit the scope of protection of this disclosure. Unless otherwise specified, each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged. Furthermore, the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
[0123] In the embodiments disclosed herein, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of the various embodiments are consistent and can be referenced by each other. Technical features in different embodiments can be combined to form new embodiments based on their inherent logical relationships.
[0124] The terminology used in the embodiments of this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the scope of this disclosure.
[0125] In the embodiments of this disclosure, unless otherwise stated, elements expressed in the singular form, such as “a,” “one,” “a kind,” “the,” “the,” “the,” “the,” “the,” “the,” “the,” “the,” “this,” etc., can mean “one and only one,” or “one or more,” “at least one,” etc. For example, when articles such as “a,” “an,” and “the” are used in translation, the noun following the article can be understood as either a singular or a plural expression.
[0126] In the embodiments of this disclosure, "a plurality of" means two or more.
[0127] In some embodiments, terms such as “at least one (at least one, at least one item, at least one)” and “one or more” may be used interchangeably.
[0128] In some embodiments, the notation "at least one of A and B", "A and / or B", "A in one case, B in another", "in response to one case A, in response to another case B", etc., may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.
[0129] In some embodiments, the notation "A or B" may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.
[0130] The prefixes "first," "second," etc., used in the embodiments of this disclosure are merely for distinguishing different descriptive objects and do not impose restrictions on the position, order, priority, quantity, or content of the descriptive objects. The description of the descriptive objects is found in the claims or the context of the embodiments, and the use of prefixes should not constitute unnecessary restrictions. For example, if the descriptive object is a "field," the ordinal numbers preceding "field" in "first field" and "second field" do not restrict the position or order of the "fields." "First" and "second" do not restrict whether the "fields" they modify are in the same message, nor do they restrict the order of "first field" and "second field." Similarly, if the descriptive object is a "level," the ordinal numbers preceding "level" in "first level" and "second level" do not restrict the priority between "levels." Furthermore, the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in "first device," the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the object being described is "device", then "first device" and "second device" can be the same device or different devices, and their types can be the same or different. As another example, if the object being described is "information", then "third information" and "first information" can be the same information or different information, and their content can be the same or different.
[0131] In some embodiments, “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
[0132] In some embodiments, the terms “in response to…”, “in response to determining…”, “in the case of…”, “when…”, “if…”, “if…”, etc., can be used interchangeably.
[0133] In some embodiments, the terms “greater than,” “greater than or equal to,” “not less than,” “more than,” “more than or equal to,” “not less than,” “higher than,” “higher than or equal to,” “not lower than,” and “above” can be used interchangeably, as can the terms “less than,” “less than or equal to,” “not greater than,” “less than,” “less than or equal to,” “not more than,” “lower than,” “lower than or equal to,” “not higher than,” and “below”.
[0134] In some embodiments, devices, etc., can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as “device”, “equipment”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.
[0135] In some embodiments, "network" can be interpreted as devices included in a network (e.g., access network devices, core network devices, etc.).
[0136] In some embodiments, the terms "access network device (AN device)," "radio access network device (RAN device)," "base station (BS)," "radio base station," "fixed station," "node," "access point," "transmission point (TP)," "reception point (RP)," "transmission / reception point (TRP)," "panel," "antenna panel," "antenna array," "cell," "macro cell," "small cell," "femto cell," "pico cell," "sector," "cell group," "serving cell," "carrier," "component carrier," and "bandwidth part (BWP)" can be used interchangeably.
[0137] In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal", "mobile station (MS)", "mobile terminal (MT)", "subscriber station", "mobile unit", "subscriber unit", "wireless unit", "remote unit", "mobile device", "wireless device", "wireless communication device", "remote device", "mobile subscriber station", "access terminal", "mobile terminal", "wireless terminal", "remote terminal", "handset", "user agent", "mobile client", and "client" can be used interchangeably.
[0138] In some embodiments, access network devices, core network devices, or network devices can be replaced by terminals. For example, embodiments of this disclosure can also be applied to structures where communication between access network devices, core network devices, or network devices and terminals is replaced by communication between multiple terminals (e.g., device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, the structure can also be configured such that the terminal has all or part of the functions of the access network device. Furthermore, terms such as "uplink" and "downlink" can be replaced with terms corresponding to communication between terminals (e.g., "sidelink"). For example, uplink channel, downlink channel, etc., can be replaced with sidelink channel, and uplink link, downlink, etc., can be replaced with sidelink link.
[0139] In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, core network device, or network device may also be configured to have all or some of the functions of the terminal.
[0140] In some embodiments, the acquisition of data, information, etc., may comply with the laws and regulations of the country where the location is situated.
[0141] In some embodiments, data, information, etc., may be obtained with the user's consent.
[0142] Furthermore, each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.
[0143] Figure 1A is a schematic diagram of an architecture of a communication system provided according to an embodiment of the present disclosure. As shown in Figure 1A, the communication system 100 includes a terminal 101 and a network device 102. The network device 102 may include at least one of an access network device and a core network device.
[0144] In some embodiments, terminal 101 includes, but is not limited to, at least one of the following: mobile phone, wearable device, Internet of Things device, car with communication function, smart car, tablet computer, computer with wireless transceiver function, virtual reality (VR) terminal device, augmented reality (AR) terminal device, wireless terminal device in industrial control, wireless terminal device in self-driving, wireless terminal device in remote medical surgery, wireless terminal device in smart grid, wireless terminal device in transportation safety, wireless terminal device in smart city, and wireless terminal device in smart home.
[0145] In some embodiments, the access network device is, for example, a node or device that connects a terminal to a wireless network. The access network device may include at least one of the following: an evolved NodeB (eNB), a next-generation eNB (ng-eNB), a next-generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a radio backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6th generation mobile communication system (6G), an open RAN, a cloud RAN, a base station in other communication systems, and an access node in a Wi-Fi system, but is not limited thereto.
[0146] In some embodiments, the technical solutions of this disclosure can be applied to the open RAN architecture. In this case, the interfaces between or within access network devices involved in the embodiments of this disclosure can be transformed into internal interfaces of open RAN. The processes and information interactions between these internal interfaces can be implemented by software or programs.
[0147] In some embodiments, the access network device may be composed of a central unit (CU) and a distributed unit (DU). The CU may also be called a control unit. The CU-DU structure can separate the protocol layer of the access network device. Some of the protocol layer functions are centrally controlled by the CU, while the remaining part or all of the protocol layer functions are distributed in the DU and centrally controlled by the CU. However, this is not the only possibility.
[0148] In some embodiments, the CU and DU can be centrally deployed on one access network device or distributed across multiple access network devices.
[0149] In some embodiments, the access network device may be implemented using one or more access network devices. An access network device may include a CU and at least one DU. A CU may be connected to multiple DUs, while a DU may only be connected to one CU.
[0150] In some embodiments, the core network device 103 may be a single device including one or more network functions, or it may be multiple devices or a group of devices, each including one or more network functions. Network functions may be virtual or physical. The core network may include, for example, at least one of the following: evolved packet core (EPC), 5G core network (5GCN), next-generation core (NGC), and 6G core network.
[0151] It is understood that the communication system described in this disclosure is for the purpose of more clearly illustrating the technical solutions of this disclosure, and does not constitute a limitation on the technical solutions proposed in this disclosure. As those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions proposed in this disclosure are also applicable to similar technical problems.
[0152] The following embodiments of this disclosure can be applied to the communication system 100 shown in FIG1A, or to some of the main bodies, but are not limited thereto. The main bodies shown in FIG1A are illustrative. The communication system may include all or some of the main bodies in FIG1A, or it may include other main bodies outside of FIG1A. The number and form of each main body are arbitrary. Each main body may be physical or virtual. The connection relationship between the main bodies is illustrative. The main bodies may not be connected or may be connected. The connection can be in any way, it can be a direct connection or an indirect connection, it can be a wired connection or a wireless connection.
[0153] The embodiments disclosed herein can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), 6G, computing power network (CPN), computing-aware network (CAN), computing first network (CFN), metro computing network (MCN), future radio access (FRA), new-radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), global system for mobile communications (GSM (registered trademark)), CDMA2000, ultra-mobile broadband (UMB), and IEEE. IEEE 802.11 (Wi-Fi, registered trademark), IEEE 802.16 (WiMAX, registered trademark), IEEE 802.20, ultra-wideband (UWB), Bluetooth (Bluetooth, registered trademark), public land mobile network (PLMN), device-to-device (D2D) systems, machine-to-machine (M2M) systems, Internet of Things (IoT) systems, vehicle-to-everything (V2X) systems, systems utilizing other communication methods, and next-generation systems built upon them. Furthermore, multiple systems can be combined (e.g., a combination of LTE or LTE-A with 5G, or a combination of 5G and 6G).
[0154] With the development of wireless communication technology, 6G will inherit and expand the functions of NR in 5G, bringing higher speeds, lower latency, and greater connectivity to future communication networks. In 6G, PUSCH will play a crucial role. PUSCH is a key wireless communication resource that allows terminals to send data to access network equipment (such as base stations).
[0155] In the development of 6G networks, the International Telecommunication Union (ITU) has defined a series of indicators and parameters to assess and evaluate the performance of 6G technology. Among these, the indicators and parameters related to 6G PUSCH include:
[0156] 1. Peak Uplink Rate: The 6G PUSCH is expected to support a peak uplink rate of 500Gbps. This metric reflects the high data transmission rate requirement of 6G to support large-scale data transmission and high-bandwidth applications.
[0157] 2. Uplink Latency: The goal of 6G is to reduce uplink latency to less than 0.5 milliseconds to support real-time applications and low-latency communication. This metric requires the PUSCH to maintain extremely low latency during data transmission.
[0158] 3. Number of device connections per square kilometer: 6G PUSCH needs to support 10 million device connections per square kilometer. This indicates that the 6G network will still maintain stable uplink performance even with extremely high connection density.
[0159] 4. Spectrum Bandwidth: The 6G PUSCH will support spectrum bandwidth exceeding 100GHz. This wider bandwidth can provide greater data transmission capacity and improve spectrum utilization efficiency.
[0160] 5. Energy consumption per bit: The energy efficiency target for 6G PUSCH is to reduce energy consumption per bit of data transmission by more than 10 times. This means that PUSCH will have higher energy efficiency at high data transmission rates, supporting the goal of green networks.
[0161] 6. Resource scheduling granularity: 6G PUSCH will support finer-grained dynamic resource allocation, capable of adjusting resource allocation based on real-time network load and user demand. This will include flexible time slot allocation and spectrum allocation mechanisms.
[0162] These requirements have not only driven technological innovation but also provided a clear direction for future 6G networks. By continuously improving the performance of PUSCH, 6G networks will be able to meet higher user expectations and more complex application scenarios, ultimately achieving faster, smarter, and more reliable global communication connections.
[0163] Next, the related concepts involved in the embodiments of the present disclosure will be introduced.
[0164] I. 5G NR PUSCH time domain resource allocation (TDRA).
[0165] In 5G NR, the network device schedules the terminal to send PUSCH. First, the network device will notify the terminal of the time domain resources for sending PUSCH. For example, it can notify the time slot for sending PUSCH, the starting symbol of PUSCH within the time slot, and the number of symbols of PUSCH, etc. In one embodiment, the symbols of PUSCH are continuous in the time domain. Based on these parameters, the terminal can uniquely determine the time domain resources for sending PUSCH, and the network device can also receive the PUSCH sent by the terminal on these time domain resources.
[0166] In some embodiments, the network device can notify the terminal of the slot offset k2, the start symbol S, and the allocation length L for sending PUSCH. Among them, k2 is used to determine the time slot for sending PUSCH, S is used to determine the start symbol of PUSCH, and L is used to determine the number of symbols of PUSCH. In some cases (such as PUSCH mapping type A, which will be introduced later), S and L can be replaced by the start and length indicator value (SLIV). SLIV can be determined according to S and L, and the determination method is as follows: If (L - 1) ≤ 7, then SLIV = 14×(L - 1) + S; otherwise, SLIV = 14×(14 - L + 1) + (14 - 1 - S), where 0 < L ≤ 14 - S. In an example, the values of S and L can be seen in Table 1 below.
[0167] Table 1
[0168] Exemplarily, FIG. 1B is a schematic diagram of PUSCH time domain resource allocation provided according to an embodiment of the present disclosure. Among them, FIG. 1B includes (a) to (e). All symbols in the downlink slot are downlink symbols, all symbols in the uplink slot are uplink symbols, the first 8 symbols in the special slot are downlink symbols, the last 2 symbols are uplink symbols, and the remaining symbols are flexible symbols.
[0169] In one embodiment, Figure 1B(a) shows a single-slot PUSCH. Referring to (a), k2 indicates that the time slot for transmitting the PUSCH is time slot #2 in the figure, S indicates that the starting symbol of the PUSCH is the 3rd symbol in the time slot (i.e., S = 2, where S is the symbol index of the starting symbol in a time slot, and the symbol index is counted starting from 0, with a value of 0 corresponding to the first symbol in the time slot, and so on, until the last symbol of the time slot), and L indicates that the number of symbols for the PUSCH is 10 (i.e., L = 10). Therefore, the time domain resources of the PUSCH are allocated to the 10 consecutive symbols starting from the 3rd symbol in time slot #3 in the figure.
[0170] In some embodiments, 5G NR PUSCH supports two mapping types: PUSCH mapping type A and PUSCH mapping type B. The two mapping types have different restrictions on S, L, and S+L, as shown in Table 1 above. In one embodiment, PUSCH mapping type A: only allows the starting symbol of the PUSCH to be the first symbol of the time slot, and does not allow the time-domain resources of the PUSCH to cross time slot boundaries. In one embodiment, PUSCH mapping type B: allows the starting symbol of the PUSCH to be any symbol of the time slot. In one embodiment, for PUSCH repetition type A (described later), the time-domain resources of the PUSCH are not allowed to cross time slot boundaries; for PUSCH repetition type B (described later), the time-domain resources of the PUSCH are allowed to cross time slot boundaries, but cannot cross two consecutive time slot boundaries.
[0171] In some embodiments, 5G NR PUSCH supports repetition and includes two repetition types: PUSCH repetition type A and PUSCH repetition type B.
[0172] In one embodiment, PUSCH repetition type A: When the network device configures the terminal's PUSCH repetition type to PUSCH repetition type A through higher-layer parameters, the terminal sends PUSCH using PUSCH repetition type A; the network device will indicate the terminal's repetition number, such as K. The K repetitions of the PUSCH are sequentially allocated across K time slots, and the K time slots use the same symbol allocation, that is, the symbol on each time slot is determined according to S and L (or SLIV). The determination of the K time slots can be divided into two methods: physical time slot counting and available time slot counting.
[0173] In one embodiment, the K time slots are determined by physical time slot counting. Based on this, K consecutive time slots are counted starting from the time slot indicated by k2. It should be noted that, due to the conflict criteria defined in 5G NR, not all K time slots may be used for PUSCH transmission. For example, in one of the K time slots, if the symbols indicated by S and L (or SLIV) include downlink symbols or synchronization signal blocks (SSBs), then PUSCH cannot be transmitted in that time slot.
[0174] In one embodiment, the K time slots are determined by counting available time slots. Based on this, if the symbols indicated by S and L (or SLIV) in a time slot include a downlink symbol or an SSB, that time slot cannot be used to transmit PUSCH; otherwise, that time slot can be used to transmit PUSCH. In one embodiment, according to the above criteria, starting from the time slot indicated by k2, the judgment is performed slot by slot until K time slots that can be used to transmit PUSCH are found.
[0175] For example, Figure 1B(b) shows a PUSCH of PUSCH repetition type A under physical slot count. Figure 1B(c) shows a PUSCH of PUSCH repetition type A under available slot count. Referring to (b) and (c), the values of k2, S, and L are consistent with the values of k2, S, and L in the embodiment of (a), where K = 4. In one example, as shown in (b), slots #3 to #6 are allocated to PUSCH repetition type A. On slots #3 and #4, the symbols indicated by S and L (or SLIV) do not include downlink symbols and SSB symbols, while on slots #5 and #6, the symbols indicated by S and L (or SLIV) include downlink symbols. Therefore, the terminal will send PUSCH on slots #3 and #4, but not on slots #5 and #6. In one example, as shown in (c), starting from slot #3, the first four slots that do not include downlink symbols and SSB symbols in the symbols indicated by S and L (or SLIV) are slot #3, slot #4, slot #8 and slot #9, so the terminal can send PUSCH on these four slots.
[0176] In one embodiment, PUSCH repetition type B: The network device configures the terminal's PUSCH repetition type to PUSCH repetition type B through higher-layer parameters. In this case, the terminal sends PUSCH using PUSCH repetition type B; the network device will indicate the terminal to the number of repetitions K. The time-domain resource allocation for PUSCH repetition type B is divided into two steps: the first step is to determine the nominal repetition, and the second step is to determine the actual repetition.
[0177] In one embodiment, nominal repetition: the number of nominal repetitions is K, each nominal repetition includes L consecutive symbols, the starting symbol of the first nominal repetition is the symbol indicated by S in the time slot indicated by k2, the second nominal repetition is the symbol following the last symbol of the first nominal repetition, and so on.
[0178] In one embodiment, actual repetition: A nominal repetition includes at least one actual repetition, each actual repetition being a consecutive set of all potentially valid symbols available for PUSCH transmission within a time slot. Potentially valid symbols are symbols other than invalid symbols, which include downlink symbols, SSB symbols, symbols indicated by higher-layer signaling, etc. If an actual repetition includes only one symbol, then that actual repetition is ignored.
[0179] In some embodiments, PUSCH repeat type B can only use PUSCH mapping type B, so only S and L can be used to indicate time-domain resources, and SLIV cannot be used to indicate time-domain resources.
[0180] For example, Figure 1B(d) shows a PUSCH of PUSCH repetition type B. Referring to (d), k2 indicates slot #3 in the figure, S=12, L=4, K=4. The PUSCH consists of 4 nominal repetitions, each consisting of 4 symbols, which are sequential in the time domain. Due to crossing slot boundaries, nominal repetition #0 includes two actual repetitions (actual #0 and actual #1); the 4th and 9th symbols of slot #4 are invalid symbols. Since the number of symbols in an actual repetition must be greater than 1, nominal repetition #1 includes one actual repetition (actual #2) located on the 5th and 6th symbols of slot #4; nominal repetition #2 includes one actual repetition (actual #3) located on the 7th and 8th symbols of slot #4. Since there are no invalid symbols and it does not cross time slot boundaries, nominal repetition #3 is an actual repetition #5.
[0181] 2. 5G NR PUSCH supports Transport block processing over multiple slots (TBoMS).
[0182] For single-slot PUSCH and PUSCH repetition type A, one transport block (TB) is processed per time slot. The transport block size (TBS) is determined based on the time-domain resources within a time slot. In one embodiment, for a single-slot PUSCH, the TB is transmitted within one time slot. In another embodiment, for a PUSCH repetition type A, the TB is transmitted repeatedly over K time slots.
[0183] In some embodiments, for TBoMS, multiple time slots process a TB, meaning the TBS is determined based on the time-domain resources on multiple time slots, and the TB is transmitted on these multiple time slots. Therefore, the network device notifies the terminal of the number of time slots N (N≥2) for TBoMS. The terminal determines the TBS based on the time-domain resources on N time slots and completes the transmission of the TB on N time slots. The time-domain resource allocation method for TBoMS (including the N time slots and symbol allocation within each time slot) is the same as for PUSCH repetition type A, but only the available time slot count can be used. TBoMS can be used in conjunction with PUSCH repetition type A. When TBoMS and PUSCH repetition type A are used in conjunction, the terminal determines N×K time slots based on the available time slot count method, where K groups of N time slots constitute K repetitions of one TBoMS (N time slots).
[0184] For example, Figure 1B(e) shows a PUSCH combining TBoMS and PUSCH repetition type A, where k2 indicates slot #3 in the figure, N=2, K=2, S=2, L=10. According to the time-domain resource allocation method of PUSCH repetition type A, TBoMS uses the same symbol allocation on each slot, that is, the 3rd to 12th symbols of each slot; according to the available slot counting method, TBoMS is allocated in slots #3, #4, #8 and #9, wherein the first TBoMS repetition is allocated on slots #3 and #4, and the second TBoMS repetition is allocated on slots #8 and #9.
[0185] In some embodiments, to support flexible time-domain resource allocation without incurring significant signaling overhead, 5G NR employs a "TDRA table + row index" approach to indicate the time-domain resources for PUSCH transmission. First, the network device configures a TDRA table for the terminal via higher-layer signaling, or the terminal uses the default TDRA table (default PUSCH TDRA). The TDRA table includes at least one row, each corresponding to at least one of the following: a candidate value for a PUSCH mapping type, a candidate value for k2, a candidate value for S, a candidate value for L, a candidate value for SLIV, a candidate value for K, and a candidate value for N. Then, the network device notifies the terminal of a row index, which indicates a row in the TDRA table. The terminal uses the candidate values for the corresponding PUSCH mapping type, k2, S, L, K, and N to determine the time-domain resources for PUSCH transmission.
[0186] In some embodiments, the following two points should be noted:
[0187] 1. A row in the TDRA table does not necessarily have to include all parameters (PUSCH mapping type, k2, S, L, SLIV, K, N), these parameters are all optional; for example, for single-slot PUSCH, K and N can be left unconfigured; if it is not TBoMS, N can be left unconfigured; for repeating type B, SLIV can be left unconfigured; if SLIV is used, S and L can be left unconfigured.
[0188] 2. A row in the TDRA table can include multiple sets of parameters (PUSCH mapping type, k2, S, L, SLIV, K, N), indicating that multiple PUSCHs can be scheduled at once (multi-PUSCHs, multiple PUSCHs). Each PUSCH uses one set of parameters to determine the time-domain resources. The number of PUSCHs is equal to the number of SLIVs, or the number of sets of S and L.
[0189] 3. Multi-PUSCH scheduling does not support PUSCH duplication. If the higher-layer signaling is configured with K greater than 1, then K is assumed to be equal to 1; or, if a row in the TDRA table includes multiple SLIVs and multiple Ks, and at least one K is greater than 1, then all Ks greater than 1 are assumed to be 1.
[0190] For example, Figure 1C is a schematic diagram of multi-PUSCH scheduling according to an embodiment of the present disclosure. Referring to Figure 1C(a), suppose a row in the TDRA table includes a k2 and two SLIVs, the two SLIVs corresponding to the first 7 symbols and the last 7 symbols of the time slot, respectively. This row schedules two PUSCHs, the first PUSCH is allocated to the first 7 symbols of the time slot indicated by k2, and the second PUSCH is allocated to the last 7 symbols of the time slot indicated by k2. Referring to Figure 1C(b), suppose a row in the TDRA table includes two k2s and two SLIVs, the first k2 and the first SLIV indicating that the first PUSCH is allocated to all symbols of time slot #3, and the second k2 and the second SLIV indicating that the second PUSCH is allocated to all symbols of time slot #4.
[0191] III. 5G NR TBS Calculation
[0192] In 5G NR, the TBS calculation process is as follows:
[0193] Step 1: Determine the number N of resource elements (REs) used for PUSCH transmission within a time slot. RE :
[0194] Step 1-1: Determine the number of REs within a physical resource block (PRB) allocated to PUSCH. in, The number of subcarriers included in a PRB. The number L of symbols allocated to PUSCH, This refers to the number of REs (Resources) occupied by each PRB (Programmable Block) of L symbols, excluding data, in a DMRS (Code Division Multiplexing, CDM) group. The overhead of configuring higher-level signaling. For PUSCH repetition type B, It is determined by the nominal repetition of the number of L symbols.
[0195] Steps 1-2, determine N RE If TBoMS is configured, N RE =N·min(156,N) R ′ E )·n PRB , where n PRB The number of PRBs allocated to PUSCH, where N is the number of time slots in TBoMS; otherwise, N RE =min(156,N) R ′ E)·n PRB .
[0196] Step 2: Calculate the non-quantified intermediate variable N info =N RE ·R·Q m ·v. Where R is the target code rate of PUSCH, Q_m is the modulation order of PUSCH, and v is the number of PUSCH layers.
[0197] Step 3: If N info If the value is ≤3824, perform the following steps: Calculate the intermediate variables for quantification. in, Based on Table 2, find the value not less than N′. info The minimum value is taken as TBS. Table 2 shows N. info ≤3824 TBS.
[0198] Table 2
[0199] Step 4: If N info If the value is greater than 3824, perform the following steps: Calculate the intermediate variables for quantification. in, The round operation represents rounding.
[0200] In some embodiments, if R ≤ 1 / 4, in Otherwise, if N′ info >8424, in otherwise, IV. Transmission Occasion (TO)
[0201] The transmission timing of PUSCH is defined as a time slot index within the system frame corresponding to system frame number (SFN) #SFN. Time slot index The first symbol S in the corresponding time slot, and the number of consecutive symbols L. For PUSCH repetition type B, a PUSCH transmission timing is defined as a nominal repetition.
[0202] V. DMRS Configuration.
[0203] DMRS are transmitted along with PUSCH and are used for channel estimation and demodulation. A set of DMRS consists of one or two symbols; if a set of DMRS consists of one symbol, it is called a single-symbol DMRS; if a set of DMRS consists of two symbols, it is called a double-symbol DMRS.
[0204] In some embodiments, for low-mobility scenarios, configuring a set of DMRS for the terminal by the network device can obtain channel estimation that meets demodulation performance with low overhead. However, for medium- and high-speed mobility scenarios, the network device will configure one to three additional DMRS for the terminal to meet the channel estimation requirements for time-varying channel characteristics. Specifically, for single-symbol DMRS, the network device will configure at most one additional DMRS for the terminal; for dual-symbol DMRS, the network device will configure at most one additional DMRS for the terminal. The pattern of each additional DMRS is the same as the first DMRS, that is, each additional DMRS occupies the same subcarriers and the same number of symbols as the first DMRS.
[0205] In some embodiments, DMRS supports two configuration types: DMRS configuration type 1 and DMRS configuration type 2. The number of DMRS ports for each configuration type is defined in 3GPP release 15. For DMRS configuration type 1, a single-symbol DMRS supports a maximum of 4 DMRS ports, and a dual-symbol DMRS supports a maximum of 8 DMRS ports; for DMRS configuration type 2, a single-symbol DMRS supports a maximum of 6 DMRS ports, and a dual-symbol DMRS supports a maximum of 12 DMRS ports.
[0206] In one embodiment, the resource allocation of DMRS is shown in the following expression (3):
[0207] in,
[0208] In the above expression (3), the parameters are explained as follows:
[0209] l: Symbol index of DMRS, according to And l′ are determined;
[0210] The index of the first DMRS symbol in each DMRS group is shown in Tables 3 to 5 below. Table 3 shows a single-symbol DMRS within a time slot without using in-slot frequency hopping. Table 4 shows the values for a single-slot dual-symbol DMRS without in-slot frequency hopping. Table 5 shows the values for a single-symbol DMRS within a time slot when in-slot frequency hopping is used. The value; in Tables 3 to 5, l0 represents the time-domain position of the first DMRS among all DMRS, l d Indicates the number of symbols used to determine PUSCH;
[0211] In some embodiments, l, The reference point for l0 is related to the PUSCH mapping type. In one embodiment, PUSCH mapping type A: if intra-slot frequency hopping is not used, the reference point is the starting symbol of a slot; otherwise, the reference point is the starting symbol of each hop; l0 is configured according to the higher-layer parameter dmrs-TypeA-Position, with candidate values being the 3rd or 4th symbol. In one embodiment, PUSCH mapping type B: if intra-slot frequency hopping is not used, the reference point is the starting symbol of the scheduled PUSCH; otherwise, the reference point is the starting symbol of each hop; l0 = 0.
[0212] In some embodiments, l d The reference point is related to the PUSCH mapping type. In one embodiment, PUSCH mapping type A: if in-slot frequency hopping is not used, l d The number of symbols between the first and last symbols in a time slot for the scheduled PUSCH; otherwise, l d The number of symbols included in each hop. In one embodiment, PUSCH mapping type B: if in-slot frequency hopping is not used, l d The number of symbols for the scheduled PUSCH; otherwise, l d The number of symbols included in each hop.
[0213] l′: The protocol does not provide an explicit definition of n. Functionally, l′ represents the offset of a DMRS symbol in a set of DMRSs relative to the first DMRS symbol in that set, as shown in Table 6. That is, for a single-symbol DMRS, the value of l′ can only be 0, indicating the unique DMRS symbol in the set. For a double-symbol DMRS, the value of l′ can be 0 or 1, l′ = 0 indicates the first DMRS symbol in the set, and l′ = 1 indicates the second DMRS symbol in the set. At the same time, l′ is also used to indicate the orthogonal cover code (OCC) used by the DMRS on the corresponding symbol, i.e., w t (l′), where the time-domain OCC(w) tAs shown in Tables 7 and 8, Table 7 contains the parameters for DMRS configuration type 1, and Table 8 contains the parameters for DMRS configuration type 2.
[0214] k: The RE index of the DMRS, whose reference point is related to the waveform of the PUSCH. In one embodiment, for a cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) waveform, the reference point is subcarrier 0 of the common resource block (CRB) 0. In one embodiment, for a discrete fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) waveform, the reference point is subcarrier 0 of the first resource block (RB) of the scheduled PUSCH.
[0215] In some embodiments, k is determined using different methods depending on the DMRS configuration type, as shown in expression (1) above, where k is mainly determined based on n, k′, and Δ. In one embodiment, Δ: The protocol does not provide an explicit definition for Δ. Functionally, Δ is associated with the index of the code division multiplexing (CDM) group, as shown in Tables 7 and 8, and is used to indicate the REs included in a CDM group. In one embodiment, k′: The protocol does not provide an explicit definition for k′. Functionally, k′ is used to indicate the frequency domain OCC used by the DMRS on the corresponding RE, i.e., w f (k′), where the frequency domain OCC(w) f As shown in Tables 7 and 8.
[0216] In some embodiments, n: The protocol does not give an explicit definition of n. Functionally, a value of n corresponds to a set of REs. For DMRS configuration type 1, a set of REs includes 4 REs, which is the coefficient 4 multiplied by n in the expression. For DMRS configuration type 2, a set of REs includes 6 REs, which is the coefficient 6 multiplied by n in the expression. This set of REs uses a complete frequency domain OCC sequence. For convenience, it is called a DMRS group. Then n represents the index of a DMRS group.
[0217] p: DMRS port index, j represents the layer (or stream) index of PUSCH's multiple-input multiple-output (MIMO) architecture. jThe DMRS port index corresponding to layer #j is represented by υ, where υ represents the layer number, μ represents the parameter set used to indicate the subcarrier spacing, and r represents the DMRS sequence. This indicates that under parameter set μ, symbols #l, RE#k, and DMRS port p are allocated. j The DMRS sequence obtained by multiplying the time-domain OCC and frequency-domain OCC.
[0218] In some embodiments, the number of DMRS ports for the two DMRS configuration types has been enhanced in the 3GPP release 18 protocol version. For DMRS configuration type 1, single-symbol DMRS supports a maximum of 8 DMRS ports, and dual-symbol DMRS supports a maximum of 16 DMRS ports; for DMRS configuration type 2, single-symbol DMRS supports a maximum of 12 DMRS ports, and dual-symbol DMRS supports a maximum of 24 DMRS ports. The resource allocation for DMRS is shown in the following expression (4):
[0219] in,
[0220] Table 3
[0221] Table 4
[0222] Table 5
[0223] Table 6
[0224] Table 7
[0225] Table 8
[0226] For example, FIG1D is a schematic diagram of a DMRS in release 15 provided according to an embodiment of the present disclosure. FIG1D includes (a), (b), (c) and (d). Among them, (a) shows a single-symbol DMRS of DMRS configuration type 1, (b) shows a double-symbol DMRS of DMRS configuration type 2, (c) shows a single-symbol DMRS of DMRS configuration type 2, and (d) shows a double-symbol DMRS of DMRS configuration type 2.
[0227] For example, FIG1E is a schematic diagram of a DMRS in release 18 provided according to an embodiment of the present disclosure. FIG1E includes (a), (b), (c) and (d). Among them, (a) shows a single-symbol DMRS of DMRS configuration type 1, (b) shows a double-symbol DMRS of DMRS configuration type 2, (c) shows a single-symbol DMRS of DMRS configuration type 2, and (d) shows a double-symbol DMRS of DMRS configuration type 2.
[0228] It is important to note that for PUSCH repetition type B, the time domain location of DMRS is determined based on each actual repetition, not each time slot.
[0229] In some embodiments, in 5G NR, the time-domain resources of the PUSCH are allocated contiguously within a time slot. However, in 6G, the time-domain resources of the PUSCH may be discontinuous within a time slot. Therefore, if the time-domain resources of the PUSCH are discontinuously allocated within a time slot, DMRS will be allocated outside the time-domain resources of the PUSCH, i.e., the DMRS will be discarded.
[0230] For example, Figure 1F is a schematic diagram of a PUSCH provided according to an embodiment of the present disclosure. Referring to Figure 1F, an uplink slot includes 14 symbols, where the PUSCH is allocated only on symbols 1, 2, 7, 8, 13, and 14 of that slot. If PUSCH mapping type A is used, l d If the value is 14, then the DMRS should be allocated to the 3rd or 4th symbol of that time slot, but these two symbols are not allocated to PUSCH, so the DMRS will be discarded.
[0231] It is evident that how to transmit DMRS when PUSCH time-domain resources are not allocated discontinuously is a problem that needs to be solved.
[0232] Figure 2A is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure. The communication method involved in this embodiment can be applied to a communication system 100. As shown in Figure 2A, the communication method of this embodiment includes steps S2101 to S2104.
[0233] In step S2101, the network device sends the first information to the terminal.
[0234] In some embodiments, the network device sends first information. In some embodiments, the terminal receives the first information.
[0235] In some embodiments, the first information is transmitted carried in downlink signaling. In one example, the downlink signaling may include at least one of radio resource control (RRC) signaling, medium access control-control element (MAC-CE) signaling, physical downlink control channel (PDCCH) signaling, and PDSCH signaling.
[0236] In some embodiments, the first information indicates a first time-domain resource of the PUSCH. In one embodiment, the terminal can determine the first time-domain resource of the PUSCH based on the indication of the first information.
[0237] In some embodiments, the first time-domain resource is the time-domain resource of the PUSCH configured by the network device, and it is also the time-domain resource of the PUSCH actually transmitted. In this case, the terminal determines the time-domain resource allocated by the network device for the PUSCH as the time-domain resource of the PUSCH actually transmitted.
[0238] In some embodiments, a network device may allocate one or more first time domain resources for PUSCH, each first time domain resource may include one or more time slots, and each time slot may include one or more symbols.
[0239] In some embodiments, the symbols included in the first time-domain resource are discontinuous in the time domain. In one embodiment, the PUSCH is allocated by the network device on discontinuous time-domain resources.
[0240] In some embodiments, the first information indicates at least one time-domain resource, and the at least one time-domain resource constitutes a first time-domain resource. In one embodiment, the at least one time-domain resource indicated by the first information may also be referred to as at least one symbol set. Each time-domain resource corresponds to at least one symbol (i.e., each time-domain resource corresponds to a symbol set), and the symbols included in each symbol set may be continuous in the time domain, but the symbols between each symbol set are not continuous in the time domain. Therefore, the first time-domain resource composed of these symbol sets is not continuous in the time domain.
[0241] In some embodiments, the at least one time-domain resource indicated by the first information may be located in the same time slot or in different time slots. In one embodiment, when the PUSCH does not use intra-slot frequency hopping, the first time-domain resource may include the symbols of the PUSCH within one time slot. When the PUSCH does not use intra-slot frequency hopping, the first time-domain resource is the time-domain resource allocated for the PUSCH within one time slot. In one embodiment, when the PUSCH uses intra-slot frequency hopping, the first time-domain resource may include the symbols of the PUSCH within one frequency hop. In other words, when the PUSCH uses intra-slot frequency hopping, the first time-domain resource is the time-domain resource allocated for the PUSCH within each hop.
[0242] In some embodiments, the name of the first information is not specifically limited; for example, it may be scheduling information, scheduling instruction, scheduling signaling, control information, control signaling, control instruction, authorization signaling, authorization instruction, etc. In one example, the first information may be downlink control information (DCI) or uplink authorization (UL grant).
[0243] In some embodiments, the first information may include N first parameters, where N is a positive integer. In one embodiment, the first parameters indicate at least one time-domain resource. In one embodiment, each first parameter indicates a symbol set. In one embodiment, when the PUSCH mapping type is mapping type A, the first parameters may include S and L. In one embodiment, when the PUSCH mapping type is mapping type A, the first parameter may be SLIV. In one embodiment, when the PUSCH mapping type is mapping type B, the first parameters may include S and L.
[0244] In some embodiments, the names of information, etc., are not limited to the names described in the embodiments. Terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.
[0245] In some embodiments, the terms "uplink," "uplink," and "physical uplink" can be used interchangeably. The terms "downlink," "downlink," and "physical downlink" can also be used interchangeably.
[0246] In step S2102, the terminal determines the time domain position of the first reference signal in the first time domain resource based on the first time domain resource of PUSCH.
[0247] In some embodiments, the first reference signal may be a DMRS. In some embodiments, the first reference signal may also be a phase-tracking reference signal (PT-RS).
[0248] In some embodiments, the terminal may determine a first time-domain resource based on the indication of the first information, and determine the time-domain position of the first reference signal in the first time-domain resource based on the first time-domain resource.
[0249] In some embodiments, the terminal determines the time-domain position of the first reference signal based on the first time-domain resources of the PUSCH. In one embodiment, the terminal determines the symbol index of the first reference signal based on the first time-domain resources of the PUSCH. In another embodiment, the terminal determines the symbol index of the first reference signal, which may indicate the symbol of the first reference signal in the first time-domain resources.
[0250] In some embodiments, the symbol index of the first reference signal can be the symbol index of the first reference signal in the first time-domain resource. In other words, the symbol index of the first reference signal can be the symbol index of the first time-domain resource.
[0251] In some embodiments, the symbol index of the starting symbol of the first time-domain resource is 0, and the symbol index of the first time-domain resource is referenced to the starting symbol and incremented by 1 for each PUSCH.
[0252] In some embodiments, the symbol index of the first reference signal is i, which indicates the (i+1)th symbol in the first time-domain resource, where i is an integer greater than or equal to 0.
[0253] For example, Figure 3A is a schematic diagram of a first time-domain resource provided according to an embodiment of the present disclosure. Referring to Figure 3A, it is assumed that the PUSCH mapping type is mapping type A, and the PUSCH does not use frequency hopping. In an uplink time slot, the first time-domain resource may include the 1st, 2nd, 7th, 8th, 13th, and 14th symbols in that time slot. At this time, the starting symbol of the first time-domain resource is the 1st symbol in the time slot, and the symbol index of the first time-domain resource corresponding to this symbol is defined as symbol #0. Taking the starting symbol as a reference point, each PUSCH symbol is incremented by 1 successively. Then, the symbol index of the first time-domain resource corresponding to the 2nd symbol in the time slot is symbol #1, the symbol index of the first time-domain resource corresponding to the 7th symbol in the time slot is symbol #2, the symbol index of the first time-domain resource corresponding to the 8th symbol in the time slot is symbol #3, the symbol index of the first time-domain resource corresponding to the 13th symbol in the time slot is symbol #4, and the symbol index of the first time-domain resource corresponding to the 14th symbol in the time slot is symbol #5. Based on this, if the symbol index l of the first reference signal is 0, it means that the first reference signal is located in the first symbol of the first time domain resource; if the symbol index l of the first reference signal is 1, it means that the first reference signal is located in the second symbol of the first time domain resource, and so on.
[0254] In some embodiments, the terminal can determine the symbol index of the first reference signal based on the number of symbols in the first time-domain resource. In one embodiment, the terminal can determine the number of symbols in the first time-domain resource using Tables 3 to 5 above. d The symbol index l of the corresponding first reference signal.
[0255] In some embodiments, the first information indicates N first parameters, and the terminal can determine the number of symbols for the first time-domain resource based on the number of symbols indicated by the N first parameters. d In one embodiment, the N first parameters indicate N SLIVs, and the terminal can determine the number of symbols in the N symbol sets based on the N SLIVs, thereby determining the number of symbols in the first time-domain resource. In another embodiment, the N first parameters indicate N Ls, and the terminal can determine the number of symbols in the N symbol sets based on the N Ls, thereby determining the number of symbols in the first time-domain resource.
[0256] For example, the number of symbols in the first time-domain resource l d It can be determined by expression (1):
[0257] Among them, L n The number of symbols indicated by the nth first parameter, where n = 0, 1, ..., N-1.
[0258] In step S2103, the network device determines the time domain position of the first reference signal in the first time domain resource based on the first time domain resource of PUSCH.
[0259] In some embodiments, in order to receive signals carried on a PUSCH, a network device can determine a first time-domain resource of the PUSCH based on the indication of first information, and then determine the time-domain position of a first reference signal in the first time-domain resource based on the first time-domain resource of the PUSCH. In some embodiments, the network device determines the time-domain position of the first reference signal based on the first time-domain resource of the PUSCH. In one embodiment, the network device determines the symbol index of the first reference signal based on the first time-domain resource of the PUSCH. In one embodiment, the network device determines the symbol index of the first reference signal, which can indicate the symbol of the first reference signal in the first time-domain resource.
[0260] Optional implementations of step S2103 can also be found in optional implementations of step S2102 in Figure 2A, as well as other related parts in the embodiments involved in Figure 2A, which will not be repeated here.
[0261] In some embodiments, steps S2102 and S2103 may be executed simultaneously or sequentially, and this disclosure does not specifically limit this.
[0262] In step S2104, the terminal sends a first signal and a first reference signal to the network device on the first time domain resource.
[0263] In some embodiments, the terminal transmits a first signal and a first reference signal on a first time domain resource. In some embodiments, the network device receives the first signal and the first reference signal on the first time domain resource.
[0264] In some embodiments, the first signal is carried on the PUSCH, and the first reference signal is carried on the PUSCH.
[0265] In some embodiments, the terminal transmits a first signal on a first time-domain resource of the PUSCH according to the instruction of the first information.
[0266] In some embodiments, the terminal transmits the first reference signal at a determined time-domain location of the first reference signal in the first time-domain resource. In one embodiment, the terminal transmits the first reference signal on the first time-domain resource according to the symbol index of the first reference signal.
[0267] In some embodiments, the network device receives a first signal on a first time-domain resource of the PUSCH.
[0268] In some embodiments, the network device receives the first reference signal at a determined time-domain location of the first reference signal in a first time-domain resource. In one embodiment, the network device receives the first reference signal on the first time-domain resource according to the symbol index of the first reference signal.
[0269] In some embodiments, when the first reference signal is DMRS, the network device can demodulate the first signal according to DMRS after receiving DMRS and the first signal.
[0270] In some embodiments, when the first reference signal is PT-RS, the terminal may send PT-RS to the network device on the first time domain resource.
[0271] The method for determining the symbol index of the first reference signal is described below by way of example. FIG3B is a schematic diagram of a symbol index of the first reference signal provided according to an embodiment of the present disclosure. FIG3B includes (a) to (e). FIG3B(a) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH does not use in-slot frequency hopping and the mapping type is PUSCH mapping type A; FIG3B(b) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH uses in-slot frequency hopping and the mapping type is PUSCH mapping type A; FIG3B(c) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH does not use in-slot frequency hopping and the mapping type is PUSCH mapping type B; FIG3B(d) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH uses in-slot frequency hopping and the mapping type is PUSCH mapping type B.
[0272] For example, PUSCH does not use in-slot frequency hopping, and the mapping type is PUSCH mapping type A. Referring to Figure 3B(a), N=3, S0=0, L0=6, S1=2, L1=2, S2=12, L2=2. In this case, the first time-domain resource is the symbols with symbol indices #0, #1, #6, #7, #12, and #13 within the uplink time slot. d =6, and simultaneously configure l0=2, dual-symbol DMRS and no additional DMRS, then according to Table 4, index l=l0=2, then the DMRS is the symbol with index l=2 and the symbol with index l=3 in the first time domain resource, that is, the symbol with symbol index #6 and #7 in the uplink time slot.
[0273] For example, PUSCH uses in-slot frequency hopping, and the mapping type is PUSCH mapping type A. Referring to Figure 3B(b), N=3, S0=0, L0=2, S1=5, L1=4, S2=12, L2=2. In this case, the first time-domain resource of the first hop is the symbols with in-slot symbol indices #0, #1, #5, and #6, l d =4, and simultaneously configured with l0=2, single-symbol DMRS without additional DMRS, then according to Table 5, index l=2, the DMRS is the symbol with index l=2 in the first time domain resource of the first hop, i.e., the symbol with intra-slot symbol index #6; similarly, the first time domain resource of the second hop is the symbol with intra-slot symbol indices #7, #8, #12, and #13, l d =4, then according to Table 5, index l=2, then DMRS is the symbol with index l=2 in the first time domain resource of the second hop, that is, the symbol with index #12 in the slot.
[0274] For example, PUSCH does not use in-slot frequency hopping, and the mapping type is PUSCH mapping type B. Referring to Figure 3B(c), N=2, S0=6, L0=2, S1=12, L1=2. In this case, the first time-domain resource is the symbols with in-slot symbol indices #6, #7, #12, and #13, l d =4, and if a single symbol DMRS is configured and no additional DMRS is added, then according to Table 3, if index l = l0 = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource, that is, the symbol with index #6 in the time slot.
[0275] For example, PUSCH uses in-slot frequency hopping, and the mapping type is PUSCH mapping type B. See Figure 3B(d) as shown. In this case, the first time-domain resource of the first hop is the symbols with in-slot symbol indices #0, #1, #6, and #7. d =3, and a single-symbol DMRS is configured without any additional DMRS, then according to Table 5, if index l = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource of the first hop, i.e., the symbol with index #0 in the time slot; similarly, the first time domain resource of the second hop is the symbol with indexes #7, #12, and #13 in the time slot, l d =3, then according to Table 5, index l = 0, then DMRS is the symbol with index l = 0 in the first time domain resource of the second hop, that is, the symbol with index #7 in the slot.
[0276] In some embodiments, in existing protocols, the symbol index of DMRS is referenced to the starting symbol of PUSCH and incremented by 1 for each subsequent symbol. Therefore, DMRS might be assigned to non-PUSCH symbols for transmission and thus discarded. However, as seen in the examples (a) and (c) of Figure 3B above, the symbol index of DMRS is incremented by 1 for each subsequent PUSCH symbol. Therefore, even when PUSCH is allocated on discontinuous time-domain resources, DMRS can be guaranteed to be assigned to PUSCH symbols for transmission and will not be discarded due to being assigned to non-PUSCH symbols.
[0277] In some embodiments, in existing protocols, the symbol index of DMRS is incremented by 1 for each symbol within a frequency hop, using the starting symbol of the PUSCH as a reference point. Consequently, DMRS might be assigned to non-PUSCH symbols for transmission and thus discarded. However, as seen in the examples (b) and (d) of Figure 3B above, the symbol index of DMRS is incremented by 1 for each PUSCH symbol within a frequency hop. Therefore, even when the PUSCH is allocated to discontinuous time-domain resources, DMRS can be guaranteed to be assigned to PUSCH symbols for transmission and will not be discarded due to being assigned to non-PUSCH symbols.
[0278] In some embodiments, step S2104 may be omitted when implementing time-domain resource allocation for the first reference signal.
[0279] This completes the transmission of the first reference signal.
[0280] The communication method involved in the embodiments of this disclosure may include at least one of steps S2101 to S2104. For example, step S2101 may be implemented as a standalone embodiment. For example, step S2102 may be implemented as a standalone embodiment. For example, step S2103 may be implemented as a standalone embodiment. For example, a combination of steps S2101 and S2102 may be implemented as a standalone embodiment. For example, a combination of steps S2103 and S2104 may be implemented as a standalone embodiment. For example, a combination of steps S2101 to S2103 may be implemented as a standalone embodiment. For example, a combination of steps S2101, S2102, and S2104 may be implemented as a standalone embodiment. For example, a combination of steps S2101 to S2104 may be implemented as a standalone embodiment. It should be noted that the possible standalone embodiments consisting of one or more steps S2101 to S2104 are not limited thereto.
[0281] In some embodiments, step S2104 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0282] In this embodiment of the disclosure, when the first time domain resources of PUSCH are not allocated discontinuously, the terminal determines the position of the first reference signal on the first time domain resources so as to transmit the first reference signal at that position and realize the transmission of the first reference signal. In this way, the first reference signal can be avoided from being dropped due to uplink transmission conflicts, thereby improving the reliability of the first reference signal transmission and enhancing system performance.
[0283] Figure 2B is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure. The communication method involved in the embodiment of the present disclosure can be applied to the communication system 100. As shown in Figure 2B, the communication method of the embodiment of the present disclosure includes steps S2201 to S2206.
[0284] In step S2201, the network device sends the second information to the terminal.
[0285] In some embodiments, the network device sends second information. In some embodiments, the terminal receives the second information.
[0286] In some embodiments, the second information is carried in downlink signaling. In one example, the downlink signaling may include at least one of RRC signaling, MAC-CE, PDCCH signaling, and PDSCH signaling.
[0287] In some embodiments, the second information indicates a third time-domain resource for the PUSCH. In one embodiment, the third time-domain resource is the time-domain resource of the PUSCH configured by the network device. In one embodiment, the network device can allocate one or more third time-domain resources for the PUSCH, each third time-domain resource may include one or more time slots, and each time slot may include one or more symbols.
[0288] In some embodiments, the symbols included in the third time-domain resource are contiguous in the time domain. In one embodiment, the PUSCH is allocated by the network device on contiguous time-domain resources.
[0289] In some embodiments, the name of the second information is not specifically limited; for example, it may be scheduling information, scheduling instruction, scheduling signaling, control information, control signaling, control instruction, authorization signaling, authorization instruction, etc. In one example, the second information may be a DCI or UL grant.
[0290] In some embodiments, the second information may include a first parameter. In one embodiment, the first parameter indicates a third time-domain resource. In one embodiment, when the PUSCH mapping type is mapping type A, the first parameter may include S and L. In one embodiment, when the PUSCH mapping type is mapping type A, the first parameter may be SLIV. In one embodiment, when the PUSCH mapping type is mapping type B, the first parameter may include S and L.
[0291] In step S2202, the terminal determines the first time domain resource according to the instruction of the second information.
[0292] In some embodiments, the symbols included in the first time-domain resource are discontinuous in the time domain.
[0293] In some embodiments, the terminal may determine a third time-domain resource based on the indication of the second information, and designate the third time-domain resource other than the second time-domain resource as the first time-domain resource. In some embodiments, the network device may determine a third time-domain resource based on the indication of the second information, and designate the third time-domain resource other than the second time-domain resource as the first time-domain resource. In this case, the first time-domain resource is the time-domain resource for actual PUSCH transmission. In this situation, the terminal designates the time-domain resources allocated by the network device for PUSCH, excluding the second time-domain resource, as the time-domain resources for actual PUSCH transmission.
[0294] In some embodiments, the second time-domain resource is a time-domain resource not used for PUSCH. In other words, the signal carried by PUSCH is not transmitted on the second time-domain resource. In one embodiment, the second time-domain resource is located in the middle of a third time-domain resource, and the symbols included in the first time-domain resource are discontinuous in the time domain.
[0295] In some embodiments, the second time-domain resource can be understood as an uplink rate matching (RM) resource or an invalid symbol, etc. For example, an invalid symbol may include a downlink symbol, a synchronization signal block (SSB) symbol, a sounding reference signal (SRS) symbol, etc.
[0296] In some embodiments, the second time-domain resource may be configured by the network device for the terminal, or determined by predefined information (such as protocol-fixed information).
[0297] In some embodiments, where the second time-domain resource is configured for the terminal by the network device, the network device may also send third information to the terminal, the third information indicating the second time-domain resource. In one embodiment, the third information is carried in downlink signaling. In one example, the downlink signaling may include at least one of RRC signaling, MAC-CE, PDCCH signaling, and PDSCH signaling.
[0298] In some embodiments, the first time-domain resource may be located in the same time slot or in different time slots. In one embodiment, when the PUSCH does not use intra-slot frequency hopping, the first time-domain resource may include the symbols of the PUSCH within one time slot. When the PUSCH does not use intra-slot frequency hopping, the first time-domain resource is the time-domain resource allocated for the PUSCH within one time slot. In one embodiment, when the PUSCH uses intra-slot frequency hopping, the first time-domain resource may include the symbols of the PUSCH within one frequency hop. In other words, when the PUSCH uses intra-slot frequency hopping, the first time-domain resource is the time-domain resource allocated for the PUSCH within each hop.
[0299] In some embodiments, the symbol index of the starting symbol of the first time-domain resource is 0, and the symbol index of the first time-domain resource is referenced to the starting symbol and incremented by 1 for each PUSCH.
[0300] For example, Figure 3C is another schematic diagram of the first time-domain resource provided according to an embodiment of the present disclosure. Referring to Figure 3C, it is assumed that the PUSCH mapping type is mapping type A, and the PUSCH does not use frequency hopping. In an uplink time slot, the third time-domain resource may include symbols 1 to 14 in the time slot, and the second time-domain resource may include symbols 3 to 6 and symbols 9 to 13. Then, the first time-domain resource may include symbols 1, 2, 7, 8, 13, and 14 in the time slot. At this time, the starting symbol of the first time-domain resource is the first symbol in the time slot, and the symbol index of the first time-domain resource corresponding to this symbol is defined as symbol #0. Using the starting symbol as a reference point, each PUSCH symbol is incremented by 1. Then, the symbol index of the first time domain resource corresponding to the 2nd symbol in the time slot is symbol #1, the symbol index of the first time domain resource corresponding to the 7th symbol in the time slot is symbol #2, the symbol index of the first time domain resource corresponding to the 8th symbol in the time slot is symbol #3, the symbol index of the first time domain resource corresponding to the 13th symbol in the time slot is symbol #4, and the symbol index of the first time domain resource corresponding to the 14th symbol in the time slot is symbol #5.
[0301] In some embodiments, the third information indicates a first parameter. The terminal can determine the number of symbols in the third time-domain resource based on the number of symbols indicated by the first parameter, and then determine the number of symbols in the first time-domain resource based on the number of symbols in the second time-domain resource. d In one embodiment, the first parameter indicates one SLIV, and the terminal can determine the number of symbols for the third time-domain resource based on this SLIV, and then determine the number of symbols for the first time-domain resource. d In one embodiment, the first parameter indicates one L, and the terminal can determine the number of symbols for the third time-domain resource based on this L, and then determine the number of symbols for the first time-domain resource l. d .
[0302] For example, the number of symbols in the first time-domain resource l d It can be determined by expression (2):
[0303] l d =LL′ (2)
[0304] Where L is the number of symbols in the third time-domain resource, n = 0, 1, ..., N–1, and L′ is the number of symbols in the third time-domain resource that overlap with the second time-domain resource.
[0305] In step S2203, the network device determines the first time domain resource according to the indication of the second information.
[0306] In some embodiments, in order to receive signals carried on the PUSCH, the network device may determine the third time-domain resource of the PUSCH according to the indication of the second information, and then determine the first time-domain resource according to the first time-domain resource of the PUSCH.
[0307] Optional implementations of step S2203 can also be found in optional implementations of step S2202 in Figure 2B, as well as other related parts in the embodiments involved in Figure 2B, which will not be repeated here.
[0308] In some embodiments, steps S2202 and S2203 may be executed simultaneously or sequentially, and this disclosure does not specifically limit this.
[0309] In some embodiments, after step S2202, the terminal executes step S2204. In some embodiments, after step S2203, the terminal executes step S2205.
[0310] In step S2204, the terminal determines the time domain position of the first reference signal in the first time domain resource based on the first time domain resource.
[0311] Optional implementations of step S2204 can also be found in optional implementations of step S2102 in Figure 2A, as well as other related parts in the embodiments involved in Figure 2A, which will not be repeated here.
[0312] In step S2205, the network device determines the time domain position of the first reference signal in the first time domain resource based on the first time domain resource.
[0313] Optional implementations of step S2205 can also be found in optional implementations of step S2103 in Figure 2A, as well as other related parts in the embodiments involved in Figure 2A, which will not be repeated here.
[0314] In some embodiments, steps S2203 and S2204 can be executed simultaneously or sequentially, and this disclosure does not specifically limit this.
[0315] In step S2206, the terminal sends a first signal and a first reference signal to the network device on the first time domain resource.
[0316] Optional implementations of step S2206 can also be found in optional implementations of step S2104 in Figure 2A, as well as other related parts in the embodiments involved in Figure 2A, which will not be repeated here.
[0317] The method for determining the symbol index of the first reference signal is described below by way of example. FIG3D is another schematic diagram of the symbol index of the first reference signal provided according to an embodiment of the present disclosure. FIG3D includes (a) to (e). FIG3D(a) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH does not use in-slot frequency hopping and the mapping type is PUSCH mapping type A; FIG3D(b) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH uses in-slot frequency hopping and the mapping type is PUSCH mapping type A; FIG3D(c) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH does not use in-slot frequency hopping and the mapping type is PUSCH mapping type B; FIG3D(d) shows a schematic diagram of the symbol index of the first reference signal when the PUSCH uses in-slot frequency hopping and the mapping type is PUSCH mapping type B.
[0318] For example, PUSCH does not use in-slot frequency hopping, and the mapping type is PUSCH mapping type A. See Figure 3D(a), where S = 0 and L = 14. In this case, the third time-domain resource is all symbols within the time slot, and the second time-domain resource is the symbols with symbol indices #2, #3, #4, #5, #8, #9, #10, and #11 within the time slot. Then, the first time-domain resource is the second time-domain resource excluding the third time-domain resource, that is, the first time-domain resource is the symbols with symbol indices #0, #1, #6, #7, #12, and #13 within the time slot, and l d =6, and simultaneously configure l0=2, dual-symbol DMRS and no additional DMRS, then according to Table 4, index l=l0=2, then the DMRS is the symbol with index l=2 and index l=3 in the first time domain resource, that is, the symbol with indices #6 and #7 in the slot.
[0319] For example, PUSCH uses in-slot frequency hopping, and the mapping type is PUSCH mapping type A. See Figure 3D(b), where S=0 and L=14. In this case, the third time-domain resource of the first hop is the first 7 symbols in the time slot, and the third time-domain resource of the second hop is the last 7 symbols in the time slot. Furthermore, the second time-domain resource consists of symbols with symbol indices #2, #3, #4, #9, #10, and #11 in the time slot. Therefore, the first time-domain resource of the first hop is the third time-domain resource excluding the second time-domain resource; that is, the first time-domain resource of the first hop is the symbols with symbol indices #0, #1, #5, and #6 in the time slot. d =4, and simultaneously configured with l0=2, single-symbol DMRS without additional DMRS, then according to Table 5, index l=2, the DMRS is the symbol with index l=2 in the first time domain resource of the first hop, that is, the symbol with symbol index #5 in the slot; similarly, the first time domain resource of the second hop is the third time domain resource other than the second time domain resource, that is, the first time domain resource of the second hop is the symbol with symbol indexes #7, #8, #12 and #13 in the slot, l d =4, then according to Table 5, index l=2, then DMRS is the symbol with index l=2 in the first time domain resource of the second hop, that is, the symbol with index #12 in the slot.
[0320] For example, PUSCH does not use in-slot frequency hopping, and the mapping type is PUSCH mapping type B. See Figure 3D(c), where S=2 and L=12. In this case, the third time-domain resource is the last 12 symbols within the time slot. Furthermore, the second time-domain resource is the symbols with symbol indices #2, #3, #4, #5, #8, #9, #10, and #11 within the time slot. Therefore, the first time-domain resource is the third time-domain resource excluding the second time-domain resource; that is, the first time-domain resource is the symbols with symbol indices #6, #7, #12, and #13 within the time slot, and l d=4, and at the same time, a single symbol DMRS is configured without any additional DMRS. Then, according to Table 3, if index l = l0 = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource, that is, the symbol with index #6 in the time slot.
[0321] For example, PUSCH uses in-slot frequency hopping, and the mapping type is PUSCH mapping type B. See Figure 3D(d) for example, S = 0, L = 12. The third time-domain resource consists of symbols with indices #2, #3, #4, #5, #8, #9, #10, and #11 within the time slot. Then, assuming the third time-domain resource of the first hop is the first 7 symbols within the time slot, and the first time-domain resource of the first hop is the third time-domain resource excluding the second time-domain resource, i.e., the first time-domain resource of the first hop is the symbols with indices #0, #1, and #6 within the time slot, l d =3, and simultaneously configure a single-symbol DMRS without any additional DMRS, then according to Table 5, if index l = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource of the first hop, i.e., the symbol with index 0 in the time slot; similarly, assuming the third time domain resource of the second hop is the last 7 symbols in the time slot, and the first time domain resource of the second hop is the symbol with index #7, #12, and #13 in the time slot, l d =3, then DMRS is the symbol with index l=0 in the first time domain resource of the second hop, that is, the symbol with index #7 in the slot.
[0322] In some embodiments, in existing protocols, the symbol index of DMRS is referenced to the starting symbol of PUSCH and incremented by 1 for each subsequent symbol. Therefore, DMRS might be allocated to non-PUSCH symbols for transmission and thus discarded. However, as seen in the examples (a) and (c) of Figure 3D above, the symbol index of DMRS is incremented by 1 for each subsequent PUSCH symbol. Therefore, even when PUSCH is allocated on discontinuous time-domain resources, DMRS can be guaranteed to be allocated to PUSCH symbols for transmission and will not be discarded due to allocation to non-PUSCH symbols.
[0323] In some embodiments, in existing protocols, the symbol index of DMRS is incremented by 1 for each symbol within a frequency hop, using the starting symbol of the PUSCH as a reference point. Consequently, DMRS might be allocated to non-PUSCH symbols for transmission and thus discarded. However, as seen in the examples (b) and (d) of Figure 3D above, the symbol index of DMRS is incremented by 1 for each PUSCH symbol within a frequency hop. Therefore, even when the PUSCH is allocated to discontinuous time-domain resources, DMRS can be guaranteed to be allocated to PUSCH symbols for transmission and will not be discarded due to allocation to non-PUSCH symbols.
[0324] In some embodiments, step S2206 may be omitted when implementing time-domain resource allocation for the first reference signal.
[0325] This completes the transmission of the first reference signal.
[0326] The communication method involved in the embodiments of this disclosure may include at least one of steps S2201 to S2206. For example, step S2201 may be implemented as a standalone embodiment. For example, steps S2202 and S2204 may be implemented as standalone embodiments. For example, steps S2203 and S2205 may be implemented as standalone embodiments. For example, a combination of steps S2201 to S2203 may be implemented as a standalone embodiment. For example, a combination of steps S2202, S2204, and S2206 may be implemented as a standalone embodiment. For example, a combination of steps S2203, S2205, and S2206 may be implemented as a standalone embodiment. For example, a combination of steps S2201 to S2204 may be implemented as a standalone embodiment. For example, a combination of steps S2201 to S2205 may be implemented as a standalone embodiment. For example, a combination of steps S2201 to S2206 may be implemented as a standalone embodiment. It should be noted that the possible independent embodiments consisting of one or more steps in steps S2201 to S2206 are not limited thereto.
[0327] In some embodiments, step S2206 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0328] In this embodiment of the disclosure, when the first time domain resources of PUSCH are not allocated discontinuously, the terminal determines the position of the first reference signal on the first time domain resources so as to transmit the first reference signal at that position and realize the transmission of the first reference signal. In this way, the first reference signal can be avoided from being dropped due to uplink transmission conflicts, thereby improving the reliability of the first reference signal transmission and enhancing system performance.
[0329] Figure 4 is another interactive schematic diagram of the communication method provided according to an embodiment of the present disclosure. The communication method involved in the embodiments of the present disclosure can be applied to communication devices in the communication system 100, such as terminals or network devices. As shown in Figure 4, the communication method of the embodiments of the present disclosure includes steps S401 to S402.
[0330] In step S401, the first time-domain resource of PUSCH is determined.
[0331] Optional implementations of step S401 can also be found in optional implementations of step S2101 in Figure 2A, optional implementations of steps S2201 to S2204 in Figure 2B, and other related parts in the embodiments involved in Figures 2A and 2B, which will not be repeated here.
[0332] In some embodiments, the communication device obtains first information and determines a first time-domain resource of the PUSCH according to the indication of the first information. In one embodiment, the communication device can determine the number of symbols in the first time-domain resource according to the number of symbols indicated by N first parameters, where N is a positive integer. The N first parameters are configured by the network device and are used to determine the symbols included in the first time-domain resource. For example, the number of symbols in the first time-domain resource is determined by expression (1).
[0333] In some embodiments, the communication device obtains second information and, according to the indication of the second information, determines a third time-domain resource for PUSCH. Then, it determines the third time-domain resource other than the second time-domain resource as a first time-domain resource, and the second time-domain resource is not used for PUSCH. In one embodiment, the communication device can determine the number of symbols in the first time-domain resource based on the number of symbols indicated by a first parameter and the number of symbols in the second time-domain resource; wherein the first parameter is configured by the network device and is used to determine the symbols included in the third time-domain resource, the first time-domain resource being a third time-domain resource other than the second time-domain resource, and the second time-domain resource is not used for PUSCH. For example, the number of symbols in the first time-domain resource is determined by expression (2).
[0334] In some embodiments, the symbol index of the starting symbol of the first time-domain resource is 0, and the symbol index of the first time-domain resource is referenced to the starting symbol, with the symbol of each PUSCH incremented by 1 successively.
[0335] In some embodiments, the PUSCH does not use intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one time slot; or, the PUSCH uses intra-slot frequency hopping, and the first time domain resource is the symbol of the PUSCH within one frequency hopping.
[0336] In step S402, the time domain position of the first reference signal in the first time domain resource is determined according to the first time domain resource of PUSCH.
[0337] Optional implementations of step S402 can also be found in optional implementations of step S2103 in Figure 2A, step S2205 in Figure 2B, and other related parts in the embodiments involved in Figures 2A and 2B, which will not be repeated here.
[0338] In some embodiments, the symbol index of the first reference signal is i, which indicates the (i+1)th symbol in the first time-domain resource, where i is an integer greater than or equal to 0.
[0339] In some embodiments, the communication device may determine the symbol index of the first reference signal based on the number of symbols in the first time domain resource. The symbol index of the first reference signal is the symbol index of the first reference signal in the first time domain resource, and the symbol index of the first reference signal indicates the symbol of the first reference signal in the first time domain resource.
[0340] The communication method involved in the embodiments of this disclosure may include at least one of steps S401 to S402. For example, step S401 may be implemented as a standalone embodiment. For example, step S402 may be implemented as a standalone embodiment. For example, steps S401 and S402 may be implemented as standalone embodiments. It should be noted that the possible standalone embodiments consisting of one or more steps S401 to S402 are not limited thereto.
[0341] In this embodiment of the disclosure, when the first time domain resources of PUSCH are not allocated discontinuously, the communication device determines the position of the first reference signal on the first time domain resources so as to transmit the first reference signal at that position. In this way, the first reference signal can be avoided from being dropped due to uplink transmission conflicts, thereby improving the reliability of the first reference signal transmission and enhancing system performance.
[0342] In the following, the technical solutions of the embodiments of this disclosure will be described by way of specific implementation.
[0343] In some embodiments, this disclosure provides a DMRS configuration method, specifically including:
[0344] In some embodiments, the symbol index l of the DMRS (i.e., the first reference signal) can be defined as the symbol index of the first time-domain resource. The position of the DMRS in the first time-domain resource can be determined according to the symbol index l of the DMRS. The first time-domain resource includes at least one symbol.
[0345] In some embodiments, the features of the first temporal resource include:
[0346] The symbols included in the first time-domain resources are discontinuous in the time domain;
[0347] If intra-slot frequency hopping is not used, the first time-domain resource is a symbol of an intra-slot PUSCH;
[0348] If intra-slot frequency hopping is used, the first time-domain resource is the symbol of the PUSCH within one frequency hopping;
[0349] The symbol index of DMRS is based on the number of symbols in the first time-domain resource. d Sure.
[0350] In some embodiments, the above method may include:
[0351] Step 1-1: The network device sends first information to the terminal device. The first information is used to instruct the terminal to send a first signal. The first signal is carried on the first PUSCH. The first PUSCH includes a first reference signal. The first reference signal is used by the network device to demodulate the first signal.
[0352] Step 1-2: The terminal receives the first information.
[0353] Step 2-1: The terminal sends the first signal according to the first information instruction.
[0354] Step 2-2: The network device receives the first signal.
[0355] Steps 2-3: The network device demodulates the first signal based on the first reference signal.
[0356] In some embodiments, the first reference signal is DMRS.
[0357] In some embodiments, the first information indicates a first time domain resource, and the terminal sends a first signal based on the first time domain resource.
[0358] In some embodiments, the first time-domain resource includes at least one symbol.
[0359] In some embodiments, the symbols included in the first time-domain resource are discontinuous in the time domain. It should be understood that the first information indicating the first time-domain resource includes two possible methods:
[0360] Method 1: The first information includes at least one SLIV (or S and L), indicating at least one time-domain resource. If the at least one time-domain resource is located in the same time slot, then the at least one time-domain resource constitutes the first time-domain resource. It should be understood that the first information indicates multiple symbol sets, each symbol set including at least one symbol. The symbols included in each symbol set are contiguous in the time domain, but the symbols are discontinuous in the time domain between each symbol set. These symbol sets constitute the first time-domain resource; therefore, the first time-domain resource is discontinuous in the time domain.
[0361] Method 2: The first information includes a SLIV (or S and L) indicating a third time-domain resource; simultaneously, the network device configures a second time-domain resource for the terminal, or the second time-domain resource is predefined by the protocol, in which case the first time-domain resource is a third time-domain resource other than the second time-domain resource. It should be understood that the second time-domain resource can be interpreted as an uplink rate matching resource or an invalid symbol, etc. If the second time-domain resource is located in the middle of the third time-domain resource, the first time-domain resource is discontinuous in the time domain.
[0362] In some embodiments, the above description of the first time-domain resource assumes that no intra-slot frequency hopping is used. If intra-slot frequency hopping is used, then the first time-domain resource is for each hop:
[0363] In some embodiments, method 1: at least one symbol indicated by at least one SLIV (or S and L).
[0364] In some embodiments, method 2: a third time-domain resource in addition to the second time-domain resource.
[0365] In some embodiments, if intra-slot frequency hopping is not used, there is only one first time domain resource in a time slot; otherwise, there are two first time domain resources in a time slot, or at least two first time domain resources, each first time domain resource corresponding to one frequency hopping.
[0366] In some embodiments, the time-domain location of the first reference signal is determined based on a first time-domain resource. Here, the symbol index l of the first reference signal is defined as the index of the symbols of the first time-domain resource. It should be understood that the location of the DMRS in the first time-domain resource can be determined based on index l. For example, l = 0 indicates that the DMRS is located at the first symbol of the first time-domain resource, l = 1 indicates that the DMRS is located at the second symbol of the first time-domain resource, and so on.
[0367] In some embodiments, "determining the time-domain position of the first reference signal based on the first time-domain resources" further includes: determining the symbol number l of the first time-domain resources. d Determine the time-domain location of the first reference signal.
[0368] For example, in method 1, the first time-domain resource includes the number of symbols l. d The determination method includes the expression (1). For method 2, the first time-domain resource includes the number of symbols l. d The method for determining is shown in expression (2).
[0369] In some embodiments, "determining the time-domain position of the first reference signal based on the number of symbols l_d of the first time-domain resource" can be achieved by reusing existing techniques, as shown in Tables 3 to 5.
[0370] For example, if intra-slot frequency hopping is not used, for PUSCH mapping type A, Figure 3B(a) shows a schematic diagram of method 1, where N=3, S0=0, L0=6, S1=2, L1=2, S2=12, L2=2. Therefore, the first time-domain resource is the symbol with intra-slot symbol indices 0, 1, 6, 7, 12, 13. d =6, and simultaneously configure l0=2, double-symbol DMRS and no additional DMRS, then according to Table 4, index l=l0=2, then the DMRS is the symbol with index l=2,3 in the first time domain resource, that is, the symbol with indices 6 and 7 in the slot.
[0371] For example, if intra-slot frequency hopping is not used, for PUSCH mapping type A, Figure 3D(a) shows a schematic diagram of method 2, where S=0, L=14. The third time-domain resource is all symbols within the time slot, and the second time-domain resource is the symbols with symbol indices 2, 3, 4, 5, 8, 9, 10, 11 within the time slot. Since the first time-domain resource is the third time-domain resource excluding the second time-domain resource, the first time-domain resource is the symbols with symbol indices 0, 1, 6, 7, 12, 13 within the time slot, and l d =6, and simultaneously configure l0=2, double-symbol DMRS and no additional DMRS, then according to Table 4, index l=l0=2, then the DMRS is the symbol with index l=2,3 in the first time domain resource, that is, the symbol with indices 6 and 7 in the slot.
[0372] It should be understood that, for the above example, in the prior art, index l is defined as each symbol within a time slot being incremented by 1 with the starting symbol of the time slot as the reference point, while in this disclosure, index l is defined as the symbol index of the first time domain resource.
[0373] For example, if intra-slot frequency hopping is not used, for PUSCH mapping type B, Figure 3B(c) shows a schematic diagram of method 1, where N=2, S0=6, L0=2, S1=12, L1=2, so the first time-domain resource is the symbols with intra-slot symbol indices 6, 7, 12, 13, l d =4, and at the same time, a single symbol DMRS is configured without any additional DMRS. According to Table 3, if index l = l0 = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource, which is the symbol with index 6 in the time slot.
[0374] For example, if in-slot frequency hopping is not used, for PUSCH mapping type B, Figure 3D(c) shows a schematic diagram of method 2, where S=2, L=12. The third time-domain resource is the last 12 symbols within the time slot. The second time-domain resource is the symbols with symbol indices 2, 3, 4, 5, 8, 9, 10, and 11 within the time slot. Since the first time-domain resource is the third time-domain resource excluding the second time-domain resource, the first time-domain resource is the symbols with symbol indices 6, 7, 12, and 13 within the time slot, and l d =4, and at the same time, a single symbol DMRS is configured without any additional DMRS. According to Table 3, if index l = l0 = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource, which is the symbol with index 6 in the time slot.
[0375] It should be understood that, for the above example, in the prior art, index l is defined as each symbol within a time slot being incremented by 1 with reference to the starting symbol of the third time domain resource (i.e., the symbol of PUSCH), while in this disclosure, index l is defined as the symbol index of the first time domain resource.
[0376] For example, if intra-slot frequency hopping is used, taking PUSCH mapping type B as an example, Figure 3B(d) shows a schematic diagram of method 1, where N=3, S0=0, L0=2, S1=6, L1=2, S2=12, L2=2. Assume the first time-domain resource of the first hop is the symbol with intra-slot symbol indices 0, 1, and 6. d =3, and a single-symbol DMRS is configured without any additional DMRS, then according to Table 5, if index l = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource of the first hop, i.e., the symbol with index 0 in the time slot; similarly, assuming the first time domain resource of the second hop is the symbol with index 7, 12, 13 in the time slot, l d =3, then according to Table 5, index l = 0, then DMRS is the symbol with index l = 0 in the first time domain resource of the second hop, that is, the symbol with index 7 in the slot.
[0377] For example, if intra-slot frequency hopping is used, taking PUSCH mapping type B as an example, Figure 3D(d) shows a schematic diagram of method 2, where S=0, L=14, the second time-domain resource is the symbols with symbol indices 2, 3, 4, 5, 8, 9, 10, 11 in the time slot, assuming the third time-domain resource of the first hop is the first 7 symbols in the time slot, then the first time-domain resource of the first hop is the symbols with symbol indices 0, 1, 6 in the time slot, l d=3, and a single-symbol DMRS is configured without any additional DMRS, then according to Table 5, if index l = 0, then the DMRS is the symbol with index l = 0 in the first time domain resource of the first hop, i.e., the symbol with index 0 in the time slot; similarly, assuming the third time domain resource of the second hop is the last 7 symbols in the time slot, and the first time domain resource of the second hop is the symbol with indexes 7, 12, and 13 in the time slot, l d =3, then DMRS is the symbol with index l=0 in the first time domain resource of the second hop, that is, the symbol with index 7 in the slot.
[0378] It should be understood that, for the above example, in the prior art, index l is defined as each symbol within a frequency hopping cycle being incremented by 1 with the starting symbol of the third time-domain resource (i.e., the symbol of PUSCH) as the reference point, while in this disclosure, index l is defined as the symbol index of the first time-domain resource within a frequency hopping cycle.
[0379] It should be understood that the intra-slot frequency hopping scheme also applies to PUSCH mapping type A.
[0380] In the embodiments disclosed herein, some or all of the steps and their optional implementations may be arbitrarily combined with some or all of the steps in other embodiments, or may be arbitrarily combined with the optional implementations in other embodiments.
[0381] This disclosure also provides communication apparatuses for implementing any of the above methods. For example, this disclosure provides a communication apparatus including units or modules for implementing the steps performed by a terminal in any of the above methods. For example, this disclosure provides a communication apparatus including units or modules for implementing the steps performed by a network device in any of the above methods.
[0382] It should be understood that the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, the units or modules in the device can be implemented by a processor calling software: for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device. The processor can be, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory can be internal or external to the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits. The functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors. For example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC). The functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit. In another implementation, the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through a configuration file, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.
[0383] In this disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction read and execute capabilities, such as a central processing unit (CPU), microprocessor, graphics processing unit (GPU) (which can be understood as a type of microprocessor), or digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable. For example, the processor is a hardware circuit implemented as an application-specific integrated circuit (ASIC) or a programmable logic device (FPGA). In a reconfigurable hardware circuit, the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. Furthermore, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), tensor processing unit (TPU), deep learning processing unit (DPU), etc.
[0384] Figure 5 is a schematic diagram of a communication device provided according to an embodiment of the present disclosure. As shown in Figure 5, the communication device 500 may include at least one of the following: a transceiver module 501 and a processing module 502.
[0385] In some embodiments, the communication device 500 may be a terminal. In some embodiments, the processing module 502 is configured to: determine the time-domain position of the first reference signal in the first time-domain resource according to the first time-domain resource of the PUSCH, wherein the symbols included in the first time-domain resource are discontinuous in the time domain. Optionally, the processing module 502 may be configured to perform at least one of the steps performed by the terminal in any of the above methods, other than communication steps such as sending and / or receiving (such as steps S2102, S2202, and S2204, but not limited thereto), which will not be elaborated here. Optionally, the transceiver module 501 may be configured to perform at least one of the communication steps performed by the terminal in any of the above methods, such as sending and / or receiving (such as steps S2101, S2104, S2201, and S2206, but not limited thereto), which will not be elaborated here.
[0386] In some embodiments, the communication device 500 may be a network device. In some embodiments, the processing module 502 is configured to: determine the time-domain position of the first reference signal in the first time-domain resource according to the first time-domain resource of the PUSCH, wherein the symbols included in the first time-domain resource are discontinuous in the time domain. Optionally, the processing module 502 may be configured to perform at least one of the steps performed by the network device in any of the above methods, other than communication steps such as sending and / or receiving (such as steps S2103, S2203, and S2205, but not limited thereto), which will not be elaborated here. Optionally, the transceiver module 501 may be configured to perform at least one of the communication steps performed by the network device in any of the above methods, such as sending and / or receiving (such as steps S2101, S2104, S2201, and S2206, but not limited thereto), which will not be elaborated here.
[0387] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module. The transmitting and receiving modules may be separate or integrated. Optionally, the transceiver module may be interchangeable with a transceiver.
[0388] In some embodiments, the processing module may be a single module or may include multiple sub-modules. Optionally, the multiple sub-modules may each perform all or part of the steps required by the processing module. Optionally, the processing module may be interchangeable with a processor.
[0389] As shown in Figure 6A, Figure 6A is another structural schematic diagram of a communication device provided according to an embodiment of this disclosure. The communication device 6100 can be a terminal or a network device, or it can be a chip, chip system, or processor, etc., that supports the terminal or network device in implementing any of the above methods. The communication device 6100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.
[0390] In some embodiments, the communication device 6100 includes one or more processors 6101. The processor 6101 may be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, terminals, terminal chips, DUs, or CUs), execute programs, and process program data. Optionally, the communication device 6100 may be used to execute any of the above methods. Optionally, one or more processors 6101 may be used to invoke instructions to cause the communication device 6100 to execute any of the above methods.
[0391] In some embodiments, the communication device 6100 further includes one or more transceivers 6102. When the communication device 6100 includes one or more transceivers 6102, the transceivers 6102 perform at least one of the communication steps (such as steps S2101, S2104, S2201, and S2206, but not limited thereto) in the above-described method, including sending and / or receiving. The processor 6101 performs at least one of other steps (such as steps S2102, S2103, S2202, S2203, S2204, and S2205, but not limited thereto). In optional embodiments, the transceivers may include a receiver and / or a transmitter, which may be separate or integrated together. Optionally, terms such as transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, and interface can be used interchangeably; terms such as transmitter, transmitting unit, transmitter, and transmitting circuit can be used interchangeably; and terms such as receiver, receiving unit, receiver, and receiving circuit can be used interchangeably.
[0392] In some embodiments, the communication device 6100 further includes one or more memories 6103 for storing data. Optionally, all or part of the memories 6103 may be located outside the communication device 6100. In optional embodiments, the communication device 6100 may include one or more interface circuits 6104. Optionally, the interface circuits 6104 are connected to the memories 6103 and can be used to receive data from the memories 6103 or other devices, and to send data to the memories 6103 or other devices. For example, the interface circuits 6104 can read data stored in the memories 6103 and send that data to the processor 6101.
[0393] The communication device 6100 described in the above embodiments may be a terminal or a network device, but the scope of the communication device 6100 described in this disclosure is not limited thereto, and the structure of the communication device 6100 may not be limited by FIG. 6A. The communication device may be a standalone device or a part of a larger device. For example, the communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the IC collection may also include storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal, smart terminal, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.
[0394] Figure 6B is a schematic diagram of a chip provided according to an embodiment of the present disclosure. For cases where the communication device 6100 can be a chip or a chip system, please refer to the schematic diagram of the chip 6200 shown in Figure 6B, but it is not limited thereto.
[0395] In some embodiments, chip 6200 includes one or more processors 6201. Chip 6200 is used to perform any of the methods described above.
[0396] In some embodiments, chip 6200 further includes one or more interface circuits 6202. Optionally, terms such as interface circuit, interface, and transceiver pin can be used interchangeably. In some embodiments, chip 6200 further includes one or more memories 6203 for storing data. Optionally, all or part of the memories 6203 may be located outside chip 6200. Optionally, interface circuit 6202 is connected to memory 6203, and interface circuit 6202 can be used to receive data from memory 6203 or other devices, and interface circuit 6202 can be used to send data to memory 6203 or other devices. For example, interface circuit 6202 can read data stored in memory 6203 and send the data to processor 6201.
[0397] In some embodiments, the interface circuit 6202 performs at least one of the communication steps such as sending and / or receiving in the above-described method (e.g., steps S2101, S2104, S2201, and S2206, but not limited thereto). The interface circuit 6202 performing the communication steps such as sending and / or receiving in the above-described method refers, for example, to the interface circuit 6202 performing data interaction between the processor 6201, the chip 6200, the memory 6203, or the transceiver device. In some embodiments, the processor 6201 performs at least one of other steps (e.g., steps S2102, S2103, S2202, S2203, S2204, and S2205, but not limited thereto).
[0398] The modules and / or devices described in the above embodiments, including virtual devices, physical devices, and chips, can be combined or separated arbitrarily as needed. Optionally, some or all steps can be performed collaboratively by multiple modules and / or devices, which is not limited here.
[0399] This disclosure also proposes a storage medium storing instructions that, when executed on a communication device 6100, cause the communication device 6100 to perform any of the methods described above. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.
[0400] This disclosure also provides a program product that, when executed by a communication device 6100, causes the communication device 6100 to perform any of the above methods. Optionally, the program product is a computer program product.
[0401] This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.
[0402] Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the invention are indicated by the following claims.
[0403] It should be understood that the present invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.
Claims
1. A communication method, executed by a terminal, the method comprising: The time domain position of the first reference signal in the first time domain resource is determined based on the first time domain resource of the Physical Uplink Shared Channel (PUSCH). The symbols included in the first time-domain resource are discontinuous in the time domain.
2. The method according to claim 1, wherein, The method further includes: Based on the number of symbols in the first time-domain resource, the symbol index of the first reference signal is determined. The symbol index of the first reference signal is the symbol index of the first reference signal in the first time-domain resource, and the symbol index of the first reference signal indicates the symbol of the first reference signal in the first time-domain resource.
3. The method according to claim 1 or 2, wherein, The symbol index of the starting symbol of the first time-domain resource is 0. The symbol index of the first time-domain resource is incremented by 1 for each PUSCH with the starting symbol as the reference point.
4. The method according to claim 3, wherein, The symbol index of the first reference signal is i, which indicates the (i+1)th symbol in the first time-domain resource, where i is an integer greater than or equal to 0.
5. The method according to any one of claims 2 to 4, wherein, The method further includes: The number of symbols in the first time-domain resource is determined based on the number of symbols indicated by the N first parameters, where N is a positive integer; The N first parameters are configured by the network device and are used to determine the symbols included in the first time-domain resource.
6. The method according to claim 5, wherein, The number of symbols in the first time-domain resource is determined by the following expression: Among them, l d L represents the number of symbols in the first time-domain resource. n The number of symbols indicated by the nth first parameter, where n = 0, 1, ..., N-1.
7. The method according to any one of claims 2 to 4, wherein, The method further includes: The number of symbols in the first time-domain resource is determined based on the number of symbols indicated by a first parameter and the number of symbols in the second time-domain resource. The first parameter is configured by the network device and is used to determine the symbols included in the third time domain resource. The first time domain resource is the third time domain resource other than the second time domain resource, and the second time domain resource is not used for the PUSCH.
8. The method according to claim 7, wherein, The number of symbols for the first time-domain resource is determined by the following expression: l d =LL′; Among them, l d L is the number of symbols in the first time-domain resource, L is the number of symbols in the third time-domain resource, and L′ is the number of symbols in the third time-domain resource that overlap with the second time-domain resource.
9. The method according to any one of claims 1 to 8, wherein, The method further includes: Receive first information sent by a network device, the first information including N first parameters, the first parameters indicating at least one time-domain resource, where N is a positive integer; The time-domain resources indicated by the N first parameters are determined as the first time-domain resources.
10. The method according to any one of claims 1 to 8, wherein, The method further includes: Receive second information sent by a network device, the second information including a first parameter, the first parameter indicating a third time-domain resource; The third time-domain resource, excluding the second time-domain resource, is designated as the first time-domain resource, and the second time-domain resource is not used for the PUSCH.
11. The method according to any one of claims 1 to 10, wherein, The PUSCH does not use intra-slot frequency hopping, and the first time-domain resource is the symbol of the PUSCH within one time slot; or, The PUSCH uses intra-slot frequency hopping, and the first time-domain resource is the symbol of the PUSCH within one frequency hopping.
12. A communication method performed by a network device, the method comprising: The time domain position of the first reference signal in the first time domain resource is determined based on the first time domain resource of the Physical Uplink Shared Channel (PUSCH). The symbols included in the first time-domain resource are discontinuous in the time domain.
13. The method according to claim 12, wherein, The method further includes: Based on the number of symbols in the first time-domain resource, determine the symbol index of the first reference signal, and the symbols of the first reference signal... The index is the symbol index of the symbol of the first reference signal in the first time domain resource, and the symbol index of the first reference signal indicates the symbol of the first reference signal in the first time domain resource.
14. The method according to claim 12 or 13, wherein, The symbol index of the starting symbol of the first time-domain resource is 0. The symbol index of the first time-domain resource is incremented by 1 for each PUSCH with the starting symbol as the reference point.
15. The method according to claim 14, wherein, The symbol index of the first reference signal is i, which indicates the (i+1)th symbol in the first time-domain resource, where i is an integer greater than or equal to 0.
16. The method according to any one of claims 13 to 15, wherein, The method further includes: The number of symbols in the first time-domain resource is determined based on the number of symbols indicated by the N first parameters, where N is a positive integer; The N first parameters are configured by the network device and are used to determine the symbols included in the first time-domain resource.
17. The method according to claim 16, wherein, The number of symbols in the first time-domain resource is determined by the following expression: Among them, l d L represents the number of symbols in the first time-domain resource. n The number of symbols indicated by the nth first parameter, where n = 0, 1, ..., N-1.
18. The method according to any one of claims 13 to 15, wherein, The method further includes: The number of symbols in the first time-domain resource is determined based on the number of symbols indicated by a first parameter and the number of symbols in the second time-domain resource. The first parameter is configured by the network device and is used to determine the symbols included in the third time domain resource. The first time domain resource is the third time domain resource other than the second time domain resource, and the second time domain resource is not used for the PUSCH.
19. The method according to claim 18, wherein, The number of symbols in the first time-domain resource is determined by the following expression: L d =LL′; Among them, l d L is the number of symbols in the first time-domain resource, L is the number of symbols in the third time-domain resource, and L′ is the number of symbols in the third time-domain resource that overlap with the second time-domain resource.
20. The method according to any one of claims 12 to 19, wherein, The method further includes: Send first information to the terminal. The first information includes N first parameters, each of which indicates at least one time-domain resource, where N is a positive integer.
21. The method according to claim 20, wherein, The method further includes: The time-domain resources indicated by the N first parameters are determined as the first time-domain resources.
22. The method according to any one of claims 12 to 19, wherein, The method further includes: Send a second message to the terminal, the second message including a first parameter, the first parameter indicating a third time-domain resource.
23. The method according to claim 22, wherein, The method further includes: The third time-domain resource, excluding the second time-domain resource, is designated as the first time-domain resource, and the second time-domain resource is not used for the PUSCH.
24. The method according to any one of claims 12 to 23, wherein, The PUSCH does not use intra-slot frequency hopping, and the first time-domain resource is the symbol of the PUSCH within one time slot; or, The PUSCH uses intra-slot frequency hopping, and the first time-domain resource is the symbol of the PUSCH within one frequency hopping.
25. A communication device comprising at least one of a terminal and a network device, the terminal being configured to perform the steps of the communication method as claimed in any one of claims 1 to 11, and the network device being configured to perform the steps of the communication method as claimed in any one of claims 12 to 24.
26. A communication device, comprising: One or more processors; The communication device is used to perform the steps of the communication method as described in any one of claims 1 to 24.
27. A computer storage medium storing a computer program, wherein, When the computer program is executed by a processor, it implements the steps of the communication method according to any one of claims 1 to 24.
28. A computer program product comprising instructions, wherein the computer program, when executed by a communication device, implements the steps of the communication method as claimed in any one of claims 1 to 24.