Communication method, communication device and storage medium

Abstract

The invention discloses a communication method, a communication device and a storage medium, and relates to the field of communication. The method comprises: configuring, to a terminal device, a sounding reference signal (SRS) resource of which the number of ports corresponds to the antenna transmission capability of the terminal device, the antenna transmission capability of the terminal device being used for indicating the maximum number of antennas in which the terminal device can transmit signals at the same time; sRS from terminal equipment is received, the terminal equipment comprises at least two sub-receivers, and the SRS is sent by the terminal equipment through antennas of different sub-receivers according to SRS resources; and determining a sub-receiver corresponding to the port corresponding to the SRS according to the number of the ports of the SRS resource and the number of antennas of each sub-receiver of the terminal equipment. Through the method, the network equipment can determine the sub-receivers corresponding to the ports corresponding to the received sounding reference signals, so that the network equipment can conveniently carry out corresponding precoding design (such as EZF precoding), and the communication capability of the split sub-receivers is guaranteed.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of communications, and in particular, to a communication method, a communication device, and a storage medium. Background Art

[0002] With the development of 5G, market demand is getting higher and higher. One of the current demands is that the downlink peak transmission rate needs to be increased to 1.6Gbps. In order to meet this demand, it is necessary to use a higher-than-current 4R receiver, such as a 6R receiver, during the downlink transmission process to effectively improve the spectrum efficiency. A 6R receiver indicates a receiver device with 6 receiving antennas. Compared with a 4R receiver, a 6R receiver can significantly improve the downlink throughput of a single user in a cell and increase the coverage of users at the edge of the cell.

[0003] However, when performing high-stream transmission (the number of transmission streams is greater than 4), the traditional 6R receiver solution is difficult to implement and has high computational complexity. A feasible solution is to split the 6R receiver into two sub-receivers with multiple receiving antennas, each of which receives and processes signals independently, which can effectively solve the problem of the current 6R receiver being difficult to implement and having high computational complexity.

[0004] However, when the terminal adopts this sub-receiver architecture, the base station cannot know the correspondence between the multiple channels (i.e., the antenna ports corresponding to the multiple antennas) obtained through the random measurement of a detection reference signal and the sub-receivers, which makes the base station unable to perform corresponding precoding design (such as EZF precoding) and cannot guarantee the communication capability of the split 6R receiver. Summary of the invention

[0005] The embodiments of the present application provide a communication method, a communication device and a storage medium, which can enable a network device to determine the sub-receiver corresponding to the port corresponding to the detection reference signal it receives, thereby facilitating the network device to perform corresponding precoding design (such as EZF precoding) to ensure the communication capabilities of each sub-receiver after splitting.

[0006] In a first aspect, an embodiment of the present application provides a communication method, the method comprising: configuring a sounding reference signal (SRS) resource having a port number corresponding to an antenna transmission capability of the terminal device to a terminal device, the antenna transmission capability of the terminal device being used to indicate a maximum number of antennas at which the terminal device can simultaneously transmit signals; receiving an SRS from the terminal device, the terminal device comprising at least two sub-receivers, the SRS being sent by the terminal device through antennas of different sub-receivers respectively according to the SRS resources; determining a sub-receiver corresponding to a port corresponding to the SRS according to the port number of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

[0007] Based on this method, the terminal device can send one or more SRSs through the antennas of different sub-receivers in sequence according to the number of ports of the SRS resources configured by the network device (such as a base station) and the number of antennas of each sub-receiver. This facilitates the network device to determine the sub-receivers corresponding to each port of the received different SRSs according to the number of ports of the SRS resources configured by the network device (such as a base station) and the number of antennas of each sub-receiver after receiving the SRS. For example, when the antenna transmission capacity of the terminal device is 2 and the number of antennas corresponding to each sub-receiver is 2, the network device can configure an SRS resource with a port number of 2 to the terminal device, and the terminal device can send SRSs through the two antennas of each sub-receiver in sequence according to the sequence of the sub-receivers, so that the network device can determine that the two ports corresponding to the SRS correspond to the first sub-receiver in the sub-receiver sequence when the SRS is received for the first time, and determine that the two ports corresponding to the SRS correspond to the second sub-receiver in the sub-receiver sequence when the SRS is received for the second time, etc. Therefore, the network device can determine the sub-receiver corresponding to the port (or channel) corresponding to the SRS it receives through this method, so that the network device can perform corresponding precoding design (such as EZF precoding) to ensure the communication capabilities of each sub-receiver after the split.

[0008] In one possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers; according to the number of ports of SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS is determined, including: when K is less than M+N, determining that the ports corresponding to each SRS received a times before correspond to the first sub-receiver, and the ports corresponding to each SRS received b times after correspond to the second sub-receiver, wherein N is S times of K, and M is L times of K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, when L is a non-integer, b is the value of L rounded up.

[0009] Based on this possible design, the network device can configure corresponding SRS resources to the terminal device according to the antenna transmission capability of the terminal device and the number of antennas of each sub-receiver, so that the terminal device can send SRS through the antennas of different sub-receivers in sequence according to a specific number of times and order. This makes it easy for the network device to determine the sub-receiver corresponding to the port corresponding to the corresponding SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver, according to a strategy that matches the way the terminal device sends SRS.

[0010] In one possible design, the sub-receiver corresponding to the port corresponding to the SRS is determined based on the number of ports of SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, and also includes: when K=M+N, based on the port index, or comb teeth, or cyclic shift corresponding to the SRS, and according to the corresponding relationship between the preset port index, or comb teeth, or cyclic shift and the sub-receiver, the sub-receiver corresponding to the port corresponding to the SRS is determined.

[0011] Based on this possible design, when the antenna transmission capability of the terminal device is the same as the total number of antennas of each sub-receiver, all antennas can be measured by sending an SRS only once, and the terminal can determine the sub-receiver corresponding to each port.

[0012] In a possible design, the sub-receiver corresponding to the port corresponding to the SRS is determined according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, and also includes: when K=M+N, and the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols, the sub-receivers corresponding to the ports corresponding to each OFDM symbol of the SRS are determined according to the corresponding relationship between the preset OFDM symbols and the sub-receivers.

[0013] Based on this possible design, when the antenna transmission capability of the terminal device is the same as the total number of antennas of each sub-receiver and the terminal sends SRS with two or more OFDM symbols, the correspondence between OFDM symbols and sub-receivers can be used to distinguish the sub-receivers corresponding to the ports corresponding to different OFDM symbols, thereby improving the efficiency of determining the sub-receivers corresponding to each sub-receiver port.

[0014] In one possible design, the sub-receiver corresponding to the port corresponding to the SRS is determined according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, and also includes: when M=N=K+1, determining that the port corresponding to the SRS received for the first time corresponds to the first sub-receiver, and the port corresponding to the SRS received for the third time corresponds to the second sub-receiver, and according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, determining the sub-receiver corresponding to the port corresponding to the SRS received for the second time according to the port index corresponding to the SRS received for the second time, or the cyclic shift.

[0015] Based on this possible design, when the number of ports of SRS resources is less than the total number of antennas of the terminal device and the number of antennas of the first sub-receiver is equal to the number of antennas of the second sub-receiver, and is 1 greater than the number of ports of SRS resources, the transmission of SRS can be reduced once, thereby improving the efficiency of the selected measurement.

[0016] In one possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers, N is S times K, and M is L times K; according to the number of ports of SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, a sub-receiver corresponding to the port corresponding to the SRS is determined, including: when K is less than M+N, and S and L are both integers, S=L+1, determining that the port corresponding to the SRS corresponding to the odd number of times the SRS is received a times corresponds to the first sub-receiver, and the port corresponding to the SRS corresponding to the even number of times a times corresponds to the second sub-receiver, wherein a=S+L.

[0017] Based on this possible design, the first sub-receiver and the second sub-receiver can alternately send SRS to avoid waiting for the switching time of switching the transmitting antenna of the same sub-receiver, thereby improving the efficiency of the antenna selection measurement.

[0018] In one possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, SRS resources configured for the terminal device include first SRS resources and second SRS resources, the number of ports of the first SRS resources is K, and the number of ports of the second SRS resources is H, wherein N, M, K, and H are respectively positive integers, and the values ​​of K and H are different; according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS is determined, including: when K=N and H=M, determining that the K ports of the SRS received for the first time correspond to the first sub-receiver, and the H ports of the SRS received for the second time correspond to the second sub-receiver.

[0019] Based on this possible design, when the antenna transmission capability of the terminal device matches the number of antennas of each sub-receiver, the antenna selection measurement can be completed quickly by sending SRS twice, and the network device can easily determine the sub-receiver corresponding to each port.

[0020] In one possible design, the sub-receiver corresponding to the port corresponding to the SRS is determined based on the number of ports of SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, and also includes: when K+H=N=M, determining that the K ports of the SRS received for the first time and the H ports of the SRS received for the second time correspond to the first sub-receiver, and determining that the K ports of the SRS received for the third time and the H ports of the SRS received for the fourth time correspond to the second sub-receiver.

[0021] Based on this possible design, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, making it easier for network equipment to easily determine the sub-receiver corresponding to each port.

[0022] In one possible design, the sub-receiver corresponding to the port corresponding to the SRS is determined according to the number of ports of SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, and also includes: when K-1=N=M=H+1, according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, according to the port index or cyclic shift corresponding to the received SRS, it is determined that K-1 ports among the ports of the received SRS including K ports correspond to the first sub-receiver, H ports among the ports of the received SRS including H ports, and 1 port among the ports of the SRS including K ports that does not correspond to the first sub-receiver respectively correspond to the second sub-receiver.

[0023] Based on this possible design, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, and it is convenient for network equipment to easily determine the sub-receiver corresponding to each port.

[0024] In one possible design, the sub-receiver corresponding to the port corresponding to the SRS is determined based on the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, and also includes: when K-1=N=M=H+1, and the value of N is an odd number, according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, determining that K / 2 of the ports of the received SRS including K ports correspond to the first sub-receiver, and another K / 2 correspond to the second sub-receiver, and determining that H / 2 of the ports of the received SRS including H ports correspond to the first sub-receiver, and another H / 2 correspond to the second sub-receiver.

[0025] Based on this possible design, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, and it is convenient for network equipment to easily determine the sub-receiver corresponding to each port.

[0026] In one possible design, at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas through which the sub-receiver can simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, the number of ports of SRS resources applied by the second sub-receiver is B, N, M, A, and B are positive integers, and N=M, A=B, N is S times A, and S is an integer; according to the number of ports of SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS is determined, including: according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, determining A ports corresponding to the first sub-receiver and B ports corresponding to the second sub-receiver among the ports corresponding to the SRS received each time.

[0027] Based on this possible design, it is possible to conveniently perform the selected measurement by using two sub-receivers with the same transmission capacity and limited transmission capacity as sub-receivers, and enable the network device to quickly determine the sub-receiver corresponding to each port.

[0028] In one possible design, at least two sub-receivers each have a limited transmission capability, the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can simultaneously transmit signals, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply A ports of the second SRS resource. B ports of the resource, wherein N, M, A, and B are positive integers respectively, and N=M=A+B; according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS is determined, including: according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, respectively determining A ports corresponding to the first sub-receiver and another A ports corresponding to the second sub-receiver among the 2A ports of the SRS received for the first time, and B ports corresponding to the first sub-receiver and another B ports corresponding to the second sub-receiver among the 2B ports of the SRS received for the second time.

[0029] Based on this possible design, it is possible to conveniently perform natural selection measurements by using two sub-receivers with the same transmission capabilities and limited transmission capabilities, each of which includes two transmission capabilities, as sub-receivers, and enable the network device to quickly determine the sub-receiver corresponding to each port.

[0030] In a possible design, at least two sub-receivers each have a limited transmission capability, the transmission capability of the sub-receiver is used to indicate a maximum number of antennas that can simultaneously transmit signals by the sub-receiver, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources configured for the terminal device is 2A, the first sub-receiver and the second sub-receiver respectively apply A ports of SRS resources, wherein N, M, and A are respectively positive integers, N is greater than M, and N is S times A, M is L times A, and S and L are both integers; according to the number of ports of SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS is determined, including: according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, the A ports corresponding to the first sub-receiver and another A ports corresponding to the second sub-receiver among the 2A ports of the SRS received each time in the first L times are determined, and the A ports of the SRS received each time in the next SL times correspond to the first sub-receiver.

[0031] Based on this possible design, it is possible to conveniently perform antenna selection measurement by using two sub-receivers with the same transmission capacity and a limited transmission capacity whose number of antennas is an integer multiple of the transmission capacity as sub-receivers, and enable the network equipment to quickly determine the sub-receiver corresponding to each port.

[0032] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

[0033] Based on this possible design, an antenna can be set for each sub-receiver in advance according to a plan or routing conditions, thereby reducing interference between antennas.

[0034] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

[0035] Based on this possible design, the antennas of each sub-receiver can be flexibly set according to the correlation between the antennas, thereby reducing interference between the antennas of each sub-receiver and improving downlink transmission performance.

[0036] In one possible design, the antenna set included in the sub-receiver corresponds to one codeword.

[0037] Based on this possible design, the performance of each sub-receiver in receiving signals can be improved, thereby improving the performance of the overall receiver system.

[0038] In one possible design, the antenna set included in the sub-receiver corresponds to a code division multiplexing group.

[0039] Based on this possible design, by having each sub-receiver correspond to a different code division multiplexing group, the interference effect between the sub-receivers can be reduced, thereby improving the performance of the overall receiver system.

[0040] In a second aspect, an embodiment of the present application provides a communication device having the function of implementing the method of the first aspect. The function can be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units or modules corresponding to the functions of the method described in the first aspect, for example, a sending module, a receiving module, a processing module, etc.

[0041] A sending module, used to configure SRS resources corresponding to the number of ports of the terminal device and the antenna sending capability of the terminal device, where the antenna sending capability of the terminal device is used to indicate the maximum number of antennas that the terminal device can use to send signals simultaneously;

[0042] A receiving module, used for receiving an SRS from a terminal device, the terminal device includes at least two sub-receivers, and the SRS is sent by the terminal device through antennas of different sub-receivers according to SRS resources;

[0043] The processing module is used to determine the sub-receiver corresponding to the port corresponding to the SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

[0044] In one possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers; a processing module is specifically used to determine, when K is less than M+N, that the ports corresponding to the SRSs received a times before correspond to the first sub-receiver, and the ports corresponding to the SRSs received b times after correspond to the second sub-receiver, wherein N is S times of K, and M is L times of K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, when L is a non-integer, b is the value of L rounded up.

[0045] In one possible design, the processing module is specifically used to determine the sub-receiver corresponding to the port corresponding to the SRS according to the port index, or comb teeth, or cyclic shift corresponding to the SRS and the correspondence between the preset port index, or comb teeth, or cyclic shift and the sub-receiver when K=M+N.

[0046] In one possible design, the processing module is specifically used to determine the sub-receivers corresponding to the ports corresponding to each OFDM symbol of the SRS according to a preset correspondence between the OFDM symbols and the sub-receivers when K=M+N and the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols.

[0047] In one possible design, the processing module is specifically used to determine, when M=N=K+1, that the port corresponding to the SRS received for the first time corresponds to the first sub-receiver, and that the port corresponding to the SRS received for the third time corresponds to the second sub-receiver, and according to a preset port index, or the correspondence between the cyclic shift and the sub-receivers, determine the sub-receiver corresponding to the port corresponding to the SRS received for the second time according to the port index or cyclic shift corresponding to the SRS received for the second time.

[0048] In one possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers, N is S times K, and M is L times K; a processing module is specifically used to determine that when K is less than M+N, and S and L are both integers, S=L+1, the port corresponding to the SRS corresponding to the odd number of times the SRS is received a times corresponds to the first sub-receiver, and the port corresponding to the SRS corresponding to the even number of times a times corresponds to the second sub-receiver, wherein a=S+L.

[0049] In one possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, and the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; a processing module is specifically used to determine that, when K=N and H=M, the K ports of the SRS received for the first time correspond to the first sub-receiver, and the H ports of the SRS received for the second time correspond to the second sub-receiver.

[0050] In one possible design, the processing module is specifically used to determine that, when K+H=N=M, the K ports of the SRS received for the first time and the H ports of the SRS received for the second time correspond to the first sub-receiver, and determine that the K ports of the SRS received for the third time and the H ports of the SRS received for the fourth time correspond to the second sub-receiver.

[0051] In one possible design, the processing module is specifically used to determine, when K-1=N=M=H+1, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, and according to the port index or cyclic shift corresponding to the received SRS, that K-1 ports among the ports of the received SRS including K ports correspond to the first sub-receiver, determine that H ports among the ports of the received SRS including H ports, and 1 port among the ports of the SRS including K ports that does not correspond to the first sub-receiver respectively correspond to the second sub-receiver.

[0052] In one possible design, the processing module is specifically used to determine, when K-1=N=M=H+1 and the value of N is an odd number, that K / 2 of the ports of the received SRS including K ports correspond to the first sub-receiver and another K / 2 correspond to the second sub-receiver, and determine that H / 2 of the ports of the received SRS including H ports correspond to the first sub-receiver and another H / 2 correspond to the second sub-receiver according to a preset port index or a correspondence between cyclic shifts and sub-receivers.

[0053] In one possible design, at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas through which the sub-receiver can simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, the number of ports of SRS resources applied by the second sub-receiver is B, N, M, A, and B are positive integers respectively, and N=M, A=B, N is S times A, and S is an integer; a processing module is specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, A ports corresponding to the first sub-receiver and B ports corresponding to the second sub-receiver among the ports corresponding to the SRS received each time, and

[0054] In one possible design, at least two sub-receivers each have a limited transmission capability, the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can simultaneously transmit signals, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A of the first SRS resource Port, the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers respectively, and N=M=A+B; a processing module, specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, A ports corresponding to the first sub-receiver and another A ports corresponding to the second sub-receiver among the 2A ports of the SRS received for the first time, and B ports corresponding to the first sub-receiver and another B ports corresponding to the second sub-receiver among the 2B ports of the SRS received for the second time.

[0055] In one possible design, at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, and the second sub-receiver includes M antennas. The number of ports of SRS resources configured for the terminal device is 2A, and the first sub-receiver and the second sub-receiver respectively apply A ports of SRS resources, wherein N, M, and A are positive integers, N is greater than M, and N is S times of A, M is L times of A, and S and L are both integers; a processing module is specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, the A ports corresponding to the first sub-receiver and another A ports corresponding to the second sub-receiver among the 2A ports of the SRS received each time in the first L times, and the A ports of the SRS received each time in the last SL times correspond to the first sub-receiver.

[0056] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

[0057] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

[0058] In one possible design, the antenna set included in the sub-receiver corresponds to one codeword.

[0059] In one possible design, the antenna set included in the sub-receiver corresponds to a code division multiplexing group.

[0060] In a third aspect, an embodiment of the present application also provides a communication device, comprising: a memory and a processor, the processor being used to execute computer instructions stored in the memory, and when the computer instructions are executed, the device executes the method described in the first aspect or any possible design of the first aspect.

[0061] In a fourth aspect, an embodiment of the present application further provides a communication device, comprising: a processor and an interface circuit, the processor being used to communicate with other devices through the interface circuit and execute the method described in the first aspect or any possible design of the first aspect.

[0062] The communication devices described in the second to fourth aspects above can be applied to network equipment.

[0063] In a fifth aspect, an embodiment of the present application further provides a computer-readable storage medium, which stores the method described in the computing aspect.

[0064] In a sixth aspect, an embodiment of the present application further provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the method described in the first aspect or any possible design of the first aspect.

[0065] It can be understood that the beneficial effects that can be achieved by the second to sixth aspects provided above can refer to the beneficial effects in the first aspect and any possible design thereof, and will not be repeated here.

[0066] In the seventh aspect, an embodiment of the present application provides a communication method, the method comprising: receiving SRS resources configured by a network device to a terminal device, the port number of the SRS resources corresponding to the antenna transmission capability of the terminal device, the antenna transmission capability being used to indicate the maximum number of antennas that the terminal device can simultaneously transmit signals, and the terminal device comprising at least two sub-receivers; sending SRS to the network device, the SRS being sent by the terminal device through each antenna of different sub-receivers according to the SRS resources configured by the network device to the terminal device and the number of antennas of each sub-receiver of the terminal device, so that the network device can determine the sub-receiver corresponding to the port corresponding to the SRS according to the port number of the SRS resources configured to the terminal device and the number of antennas of each sub-receiver of the terminal device.

[0067] Based on this method, the terminal device can send one or more SRSs through the antennas of different sub-receivers in sequence according to the number of ports of the SRS resources configured by the network device (such as a base station) and the number of antennas of each sub-receiver. This facilitates the network device to determine the sub-receivers corresponding to each port of the received different SRSs according to the number of ports of the SRS resources configured by the network device (such as a base station) and the number of antennas of each sub-receiver after receiving the SRS. For example, when the antenna transmission capacity of the terminal device is 2 and the number of antennas corresponding to each sub-receiver is 2, the network device can configure an SRS resource with a port number of 2 to the terminal device, and the terminal device can send SRSs through the two antennas of each sub-receiver in sequence according to the sequence of the sub-receivers, so that the network device can determine that the two ports corresponding to the SRS correspond to the first sub-receiver in the sub-receiver sequence when the SRS is received for the first time, and determine that the two ports corresponding to the SRS correspond to the second sub-receiver in the sub-receiver sequence when the SRS is received for the second time, etc. Therefore, the network device can determine the sub-receiver corresponding to the port (or channel) corresponding to the SRS it receives through this method, so that the network device can perform corresponding precoding design (such as EZF precoding) to ensure the communication capabilities of each sub-receiver after the split.

[0068] In a possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers; when K is less than M+N, an SRS is sent to a network device, including: sending an SRS to the network device a times through the antenna of the first sub-receiver, wherein the antenna corresponding to each sent SRS is different; sending an SRS to the network device b times through the antenna of the second sub-receiver, wherein the antenna corresponding to each sent SRS is different; wherein N is S times of K, and M is L times of K, when S is an integer, a=S, when S is a non-integer, a is a value obtained by rounding up S, when L is an integer, b=L, and when L is a non-integer, b is a value obtained by rounding up L.

[0069] Based on this possible design, the network device can configure corresponding SRS resources to the terminal device according to the antenna transmission capability of the terminal device and the number of antennas of each sub-receiver, so that the terminal device can send SRS through the antennas of different sub-receivers in sequence according to a specific number of times and order. This makes it easy for the network device to determine the sub-receiver corresponding to the port corresponding to the corresponding SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver, according to a strategy that matches the way the terminal device sends SRS.

[0070] In one possible design, when K=M+N, sending SRS to the network device includes: sending SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the port index, or comb tooth, or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0071] Based on this possible design, when the antenna transmission capability of the terminal device is the same as the total number of antennas of each sub-receiver, all antennas can be measured by sending an SRS only once, and the terminal can determine the sub-receiver corresponding to each port.

[0072] In a possible design, when K=M+N, sending the SRS to the network device includes: sending the SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols, and different OFDM symbols are sent through corresponding sub-receivers according to a preset correspondence between the OFDM symbols and the sub-receivers, and different OFDM symbols correspond to different ports.

[0073] Based on this possible design, when the antenna transmission capability of the terminal device is the same as the total number of antennas of each sub-receiver and the terminal sends SRS with two or more OFDM symbols, the correspondence between OFDM symbols and sub-receivers can be used to distinguish the sub-receivers corresponding to the ports corresponding to different OFDM symbols, thereby improving the efficiency of determining the sub-receivers corresponding to each sub-receiver port.

[0074] In one possible design, when M=N=K+1, sending the SRS to the network device includes: sending the SRS to the network device through the K antennas of the first sub-receiver; sending the SRS to the network device through another antenna other than the K antennas of the first sub-receiver and the first antenna of the second sub-receiver; sending the SRS to the network device through all antennas other than the first antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other.

[0075] Based on this possible design, when the number of ports of SRS resources is less than the total number of antennas of the terminal device and the number of antennas of the first sub-receiver is equal to the number of antennas of the second sub-receiver, and is 1 greater than the number of ports of SRS resources, the transmission of SRS can be reduced once, thereby improving the efficiency of the selected measurement.

[0076] In a possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers, N is S times of K, and M is L times of K; when K is less than M+N, and S and L are both integers, S=L+1, sending SRS to a network device includes: sending SRS to the network device a times through the antennas of the first sub-receiver and the second sub-receiver respectively, wherein SRS corresponding to odd-numbered times in the a times are sent through the antenna of the first sub-receiver, and SRS corresponding to even-numbered times in the a times are sent through the antenna of the second sub-receiver, and the antenna corresponding to the SRS sent each time is different, a=S+L.

[0077] Based on this possible design, the first sub-receiver and the second sub-receiver can alternately send SRS to avoid waiting for the switching time of switching the transmitting antenna of the same sub-receiver, thereby improving the efficiency of the antenna selection measurement.

[0078] In one possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, and the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers, respectively, and the values ​​of K and H are different; when K=N and H=M, sending the SRS to the network device includes: sending the SRS to the network device through all antennas of the first sub-receiver; sending the SRS to the network device through all antennas of the second sub-receiver.

[0079] Based on this possible design, when the antenna transmission capability of the terminal device matches the number of antennas of each sub-receiver, the antenna selection measurement can be completed quickly by sending SRS twice, and the network device can easily determine the sub-receiver corresponding to each port.

[0080] In one possible design, when K+H=N=M, sending the SRS to the network device includes: sending the SRS to the network device through the K antennas of the first sub-receiver; sending the SRS to the network device through H antennas outside the K antennas of the first sub-receiver; sending the SRS to the network device through the K antennas of the second sub-receiver; sending the SRS to the network device through H antennas outside the K antennas of the second sub-receiver.

[0081] Based on this possible design, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, making it easier for network equipment to easily determine the sub-receiver corresponding to each port.

[0082] In one possible design, when K-1=N=M=H+1, sending SRS to the network device includes: sending SRS to the network device through all antennas of the first sub-receiver and the first antenna of the second sub-receiver; sending SRS to the network device through all antennas except the first antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0083] Based on this possible design, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, and it is convenient for network equipment to easily determine the sub-receiver corresponding to each port.

[0084] In one possible design, when K-1=N=M=H+1, and the value of N is an odd number, sending SRS to the network device includes: sending SRS to the network device through K / 2 antennas of the first sub-receiver and k / 2 antennas of the second sub-receiver; sending SRS to the network device through another H / 2 antennas of the first sub-receiver and another H / 2 antennas of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0085] Based on this possible design, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, and it is convenient for network equipment to easily determine the sub-receiver corresponding to each port.

[0086] In one possible design, at least two sub-receivers each have a limited antenna transmission capability, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, and the number of ports of SRS resources applied by the second sub-receiver is B, wherein N, M, A, and B are positive integers, respectively, and N=M, A=B, N is S times A, and S is an integer; sending SRS to the network device includes: sending S S times of SRS to the network device through A antennas of the first sub-receiver and B antennas of the second sub-receiver, respectively, and the antennas corresponding to the SRS sent each time are different, wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0087] Based on this possible design, it is possible to conveniently perform the selected measurement by using two sub-receivers with the same transmission capacity and limited transmission capacity as sub-receivers, and enable the network device to quickly determine the sub-receiver corresponding to each port.

[0088] In a possible design, at least two sub-receivers have limited antenna transmission capabilities respectively, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers respectively, and N=M=A+B; sending SRS to a network device includes: sending SRS to the network device through A antenna of the first sub-receiver and A antenna of the second sub-receiver; sending SRS to the network device through another B antennas other than A antenna of the first sub-receiver and another B antennas other than A antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other.

[0089] Based on this possible design, it is possible to conveniently perform natural selection measurements by using two sub-receivers with the same transmission capabilities and limited transmission capabilities, each of which includes two transmission capabilities, as sub-receivers, and enable the network device to quickly determine the sub-receiver corresponding to each port.

[0090] In one possible design, at least two sub-receivers each have a limited antenna transmission capability, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources configured for the terminal device is 2A, the first sub-receiver and the second sub-receiver respectively use A ports of SRS resources, wherein N, M, and A are positive integers, N is greater than M, and N is S times of A, M is L times of A, and S and L are both integers; sending SRS to a network device includes: sending L SRS to the network device through A antennas of the first sub-receiver and A antennas of the second sub-receiver; sending SL SRS to the network device through A antennas of the first sub-receiver; wherein the antennas corresponding to the SRS sent each time are different, and the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different.

[0091] Based on this possible design, it is possible to conveniently perform antenna selection measurement by using two sub-receivers with the same transmission capacity and a limited transmission capacity whose number of antennas is an integer multiple of the transmission capacity as sub-receivers, and enable the network equipment to quickly determine the sub-receiver corresponding to each port.

[0092] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

[0093] Based on this possible design, an antenna can be set for each sub-receiver in advance according to a plan or routing conditions, thereby reducing interference between antennas.

[0094] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

[0095] Based on this possible design, the flexibility of the antenna of each sub-receiver can be improved and the interference between the antennas of each sub-receiver can be reduced.

[0096] In one possible design, the antenna set included in the sub-receiver corresponds to one codeword.

[0097] Based on this possible design, the performance of each sub-receiver in receiving signals can be improved, thereby improving the performance of the overall receiver system.

[0098] In one possible design, the antenna set included in the sub-receiver corresponds to a code division multiplexing group.

[0099] Based on this possible design, the performance of each sub-receiver in receiving signals can be improved, thereby improving the performance of the overall receiver system.

[0100] In an eighth aspect, an embodiment of the present application provides a communication device, which has the function of implementing the method described in the seventh aspect. The function can be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units or modules corresponding to the functions of the method described in the seventh aspect, for example, a sending module, a receiving module, etc.

[0101] A receiving module, used to receive SRS resources configured by a network device to a terminal device, wherein the number of ports of the SRS resources corresponds to the antenna transmission capability of the terminal device, and the antenna transmission capability is used to indicate the maximum number of antennas that can simultaneously transmit signals of the terminal device, and the terminal device includes at least two sub-receivers;

[0102] A sending module is used to send SRS to a network device, where SRS is sent by the terminal device through the antennas of different sub-receivers according to the SRS resources configured by the network device for the terminal device and the number of antennas of each sub-receiver of the terminal device, so that the network device can determine the sub-receiver corresponding to the port corresponding to the SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

[0103] In a possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are positive integers respectively; when K is less than M+N, the sending module is specifically used to send an SRS to the network device a times through the antenna of the first sub-receiver, and the antenna corresponding to each SRS sent is different; and the SRS is sent to the network device b times through the antenna of the second sub-receiver, and the antenna corresponding to each SRS sent is different; wherein N is S times of K, and M is L times of K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, and when L is a non-integer, b is the value of L rounded up.

[0104] In one possible design, when K=M+N, the sending module is specifically used to send SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the port index, or comb tooth, or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0105] In a possible design, when K=M+N, the sending module is specifically used to send the SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols, and different OFDM symbols are sent through the corresponding sub-receivers according to a preset correspondence between the OFDM symbols and the sub-receivers, and different OFDM symbols correspond to different ports.

[0106] In one possible design, when M=N=K+1, the sending module is specifically used to send SRS to the network device through the K antennas of the first sub-receiver; send SRS to the network device through another antenna other than the K antennas of the first sub-receiver and the first antenna of the second sub-receiver; send SRS to the network device through all antennas other than the first antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0107] In a possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers, N is S times of K, and M is L times of K; when K is less than M+N, and S and L are both integers, S=L+1, the sending module is specifically used to send a SRS to the network device through the antennas of the first sub-receiver and the second sub-receiver respectively, wherein the SRS corresponding to the odd-numbered times in the a times is sent through the antenna of the first sub-receiver, and the SRS corresponding to the even-numbered times in the a times is sent through the antenna of the second sub-receiver, and the antenna corresponding to the SRS sent each time is different, a=S+L.

[0108] In one possible design, a terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, and the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; when K=N and H=M, the sending module is specifically used to send the SRS to the network device through all antennas of the first sub-receiver; and send the SRS to the network device through all antennas of the second sub-receiver.

[0109] In one possible design, when K+H=N=M, the sending module is specifically used to send SRS to the network device through the K antennas of the first sub-receiver; send SRS to the network device through H antennas outside the K antennas of the first sub-receiver; send SRS to the network device through the K antennas of the second sub-receiver; send SRS to the network device through H antennas outside the K antennas of the second sub-receiver.

[0110] In one possible design, when K-1=N=M=H+1, the sending module is specifically used to send SRS to the network device through all antennas of the first sub-receiver and the first antenna of the second sub-receiver; and to send SRS to the network device through all antennas except the first antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other.

[0111] In one possible design, when K-1=N=M=H+1, and the value of N is an odd number, the sending module is specifically used to send SRS to the network device through K / 2 antennas of the first sub-receiver and k / 2 antennas of the second sub-receiver; and to send SRS to the network device through another H / 2 antennas of the first sub-receiver and another H / 2 antennas of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0112] In one possible design, at least two sub-receivers each have a limited antenna transmission capability, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, and the number of ports of SRS resources applied by the second sub-receiver is B, wherein N, M, A, and B are positive integers, respectively, and N=M, A=B, N is S times A, and S is an integer; a sending module is specifically used to send S SRSs to a network device through A antennas of the first sub-receiver and B antennas of the second sub-receiver, respectively, and the antennas corresponding to the SRSs sent each time are different, wherein the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRSs are different.

[0113] In one possible design, at least two sub-receivers have limited antenna transmission capabilities respectively, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers respectively, and N=M=A+B; a sending module is specifically used to send SRS to a network device through A antennas of the first sub-receiver and A antennas of the second sub-receiver; send SRS to the network device through another B antennas outside the A antenna of the first sub-receiver and another B antennas outside the A antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0114] In one possible design, at least two sub-receivers each have a limited antenna transmission capability, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources configured for the terminal device is 2A, the first sub-receiver and the second sub-receiver respectively use A ports of SRS resources, wherein N, M, and A are positive integers, N is greater than M, and N is S times of A, M is L times of A, and S and L are both integers; a sending module is specifically used to send L SRSs to a network device through the A antennas of the first sub-receiver and the A antennas of the second sub-receiver; and send SL SRSs to the network device through the A antennas of the first sub-receiver; wherein the antennas corresponding to the SRSs sent each time are different, and the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRSs are different.

[0115] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

[0116] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

[0117] In one possible design, the antenna set included in the sub-receiver corresponds to one codeword.

[0118] In one possible design, the antenna set included in the sub-receiver corresponds to a code division multiplexing group.

[0119] In the ninth aspect, an embodiment of the present application also provides a communication device, comprising: a memory and a processor, the processor being used to execute computer instructions stored in the memory, and when the computer instructions are executed, the device executes the method described in the seventh aspect or any possible design of the seventh aspect.

[0120] In the tenth aspect, an embodiment of the present application also provides a communication device, including: a processor and an interface circuit, the processor is used to communicate with other devices through the interface circuit, and execute the method described in the seventh aspect or any possible design of the seventh aspect.

[0121] The communication devices described in the eighth to tenth aspects above can be applied to terminal equipment.

[0122] In the eleventh aspect, an embodiment of the present application also provides a computer-readable storage medium, which stores computer instructions; when the computer instructions are executed in a terminal device or in a chip built into the terminal device, the terminal device executes the method described in the first aspect.

[0123] In the twelfth aspect, the embodiments of the present application also provide a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the method described in the seventh aspect or any possible design of the seventh aspect.

[0124] It can be understood that the beneficial effects that can be achieved by the eighth to twelfth aspects provided above can refer to the beneficial effects in the seventh aspect and any possible design thereof, and will not be repeated here.

[0125] In the thirteenth aspect, an embodiment of the present application also provides a communication system, including: a network device and a terminal device; the network device executes the method described in the first aspect or any possible design of the first aspect; the terminal device executes the method described in the seventh aspect or any possible design of the seventh aspect.

[0126] It can be understood that the beneficial effects that can be achieved by the thirteenth aspect provided above can refer to the beneficial effects described in the first aspect, the seventh aspect, etc., and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0127] Figure 1 A schematic diagram showing the composition of a communication system provided by an embodiment of the present application is shown;

[0128] Figure 2 A schematic diagram showing the composition of a communication device provided in an embodiment of the present application is shown;

[0129] Figure 3 A flow chart of a communication method provided in an embodiment of the present application is shown;

[0130] Figure 4 A schematic diagram showing the composition of a receiver provided in an embodiment of the present application is shown;

[0131] Figure 5 A schematic diagram showing the composition of another receiver provided in an embodiment of the present application is shown;

[0132] Figure 6 A schematic diagram showing the composition of another receiver provided in an embodiment of the present application is shown;

[0133] Figure 7 A schematic diagram showing the composition of another receiver provided in an embodiment of the present application is shown;

[0134] Figure 8 A schematic diagram showing the composition of another communication device provided in an embodiment of the present application is shown;

[0135] Fig. 9 A schematic diagram of the composition of another communication device provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0136] With the development of 5G, market demand is getting higher and higher. One of the current demands is that the downlink peak transmission rate needs to be increased to 1.6Gbps. In order to meet this demand, it is necessary to use a higher-than-current 4R receiver, such as a 6R receiver, during the downlink transmission process to effectively improve the spectrum efficiency. A 6R receiver indicates a receiver device with 6 receiving antennas. Compared with a 4R receiver, a 6R receiver can significantly improve the downlink throughput of a single user in a cell and increase the coverage of users at the edge of the cell.

[0137] However, when performing high-stream transmission (the number of transmission streams is greater than 4), the traditional 6R receiver solution is difficult to implement and has high computational complexity. A feasible solution is to split the 6R receiver into two sub-receivers with multiple receiving antennas, each of which receives and processes signals independently, which can effectively solve the problem of the current 6R receiver being difficult to implement and having high computational complexity.

[0138] However, when the terminal adopts this sub-receiver architecture, the base station cannot know the correspondence between the multiple channels (i.e., the antenna ports corresponding to the multiple antennas) obtained through the random measurement of a detection reference signal and the sub-receivers, which makes the base station unable to perform corresponding precoding design (such as EZF precoding) and cannot guarantee the communication capability of the split 6R receiver.

[0139] Based on this, an embodiment of the present application provides a communication method. When a terminal device includes at least two sub-receivers, the method may include: the terminal device (or user equipment (UE)) sends SRS to the network device through the antennas of different sub-receivers according to the number of ports configured by the network device to the terminal device and the sounding reference signal (SRS) resources corresponding to the antenna transmission capability of the terminal device, and the number of antennas of each sub-receiver of the terminal device. Thus, when the network device receives the SRS from the terminal device, it can determine the sub-receiver corresponding to the antenna port of the SRS according to the number of ports of the SRS resources configured to the terminal device and the number of antennas of each sub-receiver of the terminal device.

[0140] The antenna transmission capability indicates the maximum number of antennas that can simultaneously transmit signals on a terminal device. A sub-receiver is a module or component with independent transceiver capabilities and is a component of the entire receiver system. That is, the entire receiver system can be composed of multiple sub-receivers.

[0141] In actual applications, the network device can configure the number of SRS resources to the terminal device according to the antenna transmission capability of the terminal device and the number of antennas of each sub-receiver, so that the terminal device uses one SRS resource each time it sends SRS. In addition, when the terminal device sends SRS according to the SRS resource, each port can correspond to one antenna for SRS transmission. That is, different antennas correspond to different ports.

[0142] When the terminal device sends the SRS according to the SRS resource, it can use all the ports of the SRS resource to send the SRS according to actual needs, or it can use some of the ports in the SRS resource to send the SRS resource. For example, when the SRS resource includes 3 ports, if a sub-receiver includes only 2 antennas, the terminal device can use the two ports of the SRS resource to send the SRS through the two antennas of the sub-receiver, instead of using all the ports of the SRS resource to send the SRS.

[0143] Optionally, the antenna transmission capability and the number of antennas of each sub-receiver may be reported by the terminal or obtained by the base station, or may be obtained by the base station in other ways in the relevant protocol, which is not limited here. Among them, the antenna transmission capability may also be determined according to the transceiver capability of the terminal device, which is not limited here.

[0144] In this method, the terminal device can send one or more SRSs through the antennas of different sub-receivers in sequence according to the number of ports of the SRS resources configured by the network device (such as a base station) and the number of antennas of each sub-receiver. This facilitates the network device to determine the sub-receivers corresponding to each port of the received different SRSs according to the number of ports of the SRS resources configured by the network device (such as a base station) and the number of antennas of each sub-receiver after receiving the SRS. For example, when the antenna transmission capacity of the terminal device is 2 and the number of antennas corresponding to each sub-receiver is 2, the network device can configure an SRS resource with a port number of 2 to the terminal device, and the terminal device can send SRSs through the two antennas of each sub-receiver in sequence according to the sequence of the sub-receivers, so that the network device can determine that the two ports corresponding to the SRS correspond to the first sub-receiver in the sub-receiver sequence when the SRS is received for the first time, and determine that the two ports corresponding to the SRS correspond to the second sub-receiver in the sub-receiver sequence when the SRS is received for the second time, etc. Therefore, the network device can determine the sub-receiver corresponding to the port (or channel) corresponding to the SRS it receives through this method, so that the network device can perform corresponding precoding design (such as EZF precoding) to ensure the communication capabilities of each sub-receiver after the split.

[0145] The communication method provided in the embodiments of the present application will be exemplarily described below with reference to the accompanying drawings.

[0146] It should be noted that in the description of this application, the words "first", "second", etc. are only used to distinguish the description and are not used to specifically limit a certain feature. In the description of the embodiments of this application, "and / or" describes the association relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. At least one referred to in this application refers to one or more; multiple refers to two or more.

[0147] The communication method provided in the embodiment of the present application can be applied to a communication system composed of a network device and a terminal device. Figure 1 FIG. 1 is a schematic diagram showing the composition of a communication system provided by an embodiment of the present application. Figure 1 As shown, the communication system may include: at least one terminal device 110 ( Figure 1 In the example, a terminal device 110 and at least one network device 120 are given. Figure 1 A network device 120 is given as an example in FIG.

[0148] The network device 120 may also be referred to as a wireless access network device or a next generation wireless access network device. The terminal device 110 may communicate with the network device 120. The network device 120 may provide the terminal device 110 with functional services such as wireless resource management, quality of service management, data encryption and compression, etc. Different network devices 120 may communicate with each other via an Xn interface. Different terminal devices 110 may exchange information and communicate with each other via the network device 120.

[0149] The terminal device 110 is located within the coverage of one or more cells (carriers) provided by the network device 120, and there may be one or more cells serving the terminal device 110. When there are multiple serving cells for the terminal device 110, the terminal device 110 may operate in CA, dual connectivity (DC), or coordinated multi-point transmission mode.

[0150] Optionally, the communication system can be a wideband code division multiple access (WCDMA) system, a long term evolution (LTE) system, an advanced long term evolution LTE-A (LTE advanced) system, an LTE frequency division duplex (FDD) system, a universal mobile telecommunication system (UMTS), a 5G NR system, and other wireless communication systems that apply OFDM technology, etc. This application does not limit the specific type of the communication system.

[0151] For example, when the communication system is a 5G NR system, the communication system may also include a core network device (not shown in the figure), and the core network device and the network device 120 may communicate through a next generation (NG) interface.

[0152] Optionally, the terminal device 110 in the communication system may also be referred to as user equipment (UE), mobile station (MS), mobile terminal (MT), etc. The terminal device 110 may refer to a device that provides voice and / or data connectivity to a user, for example, a mobile phone (“cellular” phone), a mobile phone, a computer, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a laptop computer, a handheld communication device, a handheld computing device, a satellite wireless device, a wireless modem card, a TV set top box (STB), a customer premises equipment (CPE), a wearable device (such as a smart watch, a smart bracelet, a pedometer, etc.), an in-vehicle device (such as a car, a bicycle, an electric car, an airplane, a ship, a train, a high-speed train, etc.), a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a smart home device (such as a refrigerator, a TV, an air conditioner, an electric meter, etc.), an intelligent robot, a workshop device, a wireless terminal in self-driving, a remote medical The terminal device 110 may include wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, or wireless terminals in smart homes, flying equipment (for example, intelligent robots, hot air balloons, drones, airplanes), and other devices for communicating on wireless systems, such as other MTC terminals in IoT, etc. The present application does not limit the specific form of the terminal device 110.

[0153] The network device 120 may be an access network device of the communication system, such as a base station. Optionally, in the embodiment of the present application, the network device 120 may include various forms of macro base stations, micro base stations (also called small stations), etc. For example, the network device 120 may include: a base station in the aforementioned WCDMA or LTE, a next generation base station (next generation nodeB, gNB), a next generation evolved nodeB (ng-eNB), a transmission reception point (transmission reception point, TRP), an evolved Node B (evolved Node B, eNB), a radio network controller (radio network controller, RNC), a Node B (Node B, NB), a base station controller (base station controller, BSC), a base transceiver station (base transceiver station, BTS), a home base station (for example, home evolved NodeB, or home Node B, HNB), a base band unit (base band unit, BBU), or a wireless fidelity (wireless fidelity, Wifi) access point (access point, AP), etc.

[0154] Understandably, the above Figure 1 The communication system shown is only for the purpose of more clearly illustrating the technical solution of the embodiment of the present application, and does not constitute a limitation on the technical solution provided by the embodiment of the present application. For example, the communication system may also include other devices, such as: a network control device. The network control device may be an operation administration and maintenance (OAM) system, also known as a network management system. The network control device may manage the aforementioned network device 120.

[0155] In addition, those skilled in the art will appreciate that, with the evolution of network architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0156] Figure 2 A schematic diagram showing the composition of a communication device provided in an embodiment of the present application is shown. The communication device may be the aforementioned Figure 1 The network device 120 in the communication system shown in FIG. 1 may also be the terminal device 110. Figure 2 As shown, the communication device may include: at least one processor 21 , a memory 22 , a communication interface 23 , and a bus 24 .

[0157] Combine the following Figure 2 The various components of the communication device are introduced in detail.

[0158] The processor 21 is the control center of the communication device, and can be a processor or a general term for multiple processing elements. For example, the processor 21 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present application, such as one or more microprocessors (digital signal processors, DSPs), or one or more field programmable gate arrays (FPGAs).

[0159] The processor 21 can perform various functions of the communication device by running or executing the software program stored in the memory 22 and calling the data stored in the memory 22. For example, the steps performed by the communication device in the signal transmission method provided in the embodiment of the present application can be executed.

[0160] In a specific implementation, as an embodiment, the processor 21 may include one or more CPUs, such as Figure 2 CPU0 and CPU1 are shown in the figure.

[0161] In a specific implementation, as an embodiment, the communication device may include multiple processors, such as Figure 2 21 and processor 25 shown in FIG. Each of these processors may be a single-core processor (single-CPU) or a multi-core processor (multi-CPU). A processor herein may refer to one or more devices, circuits, and / or processing cores for processing data (e.g., computer program instructions).

[0162] The memory 22 is used to store the software program for executing the method steps executed by the communication device of the present application, and is controlled by the processor 21 for execution. The memory 22 can be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, a random access memory (RAM) or other types of dynamic storage devices that can store information and instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto.

[0163] The memory 22 may exist independently and be connected to the processor 21 via the bus 24. Alternatively, the memory 22 may be integrated with the processor 21, which is not limited here.

[0164] The communication interface 23 uses any transceiver or other device for communicating with other devices or communication networks. The communication interface 23 may be an Ethernet interface, a radio access network (RAN) interface, a wireless local area network (WLAN) interface, etc. The communication interface 23 may include a receiving unit to implement a receiving function, and a sending unit to implement a sending function.

[0165] The bus 24 may be an industry standard architecture (ISA) bus, a peripheral component interconnect (PCI) bus, or an extended industry standard architecture (EISA) bus. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 2 Only one thick line is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0166] Although attached Figure 2The bus 24 is used in the embodiment, but it is understandable that the bus can also be replaced by other forms of connection relationships and is not limited to the bus itself.

[0167] By way of example, the communication method provided in the present application will be described below by taking an example where the communication method is applied in a communication system including a terminal device and a network device, and the terminal device includes a first sub-receiver and a second sub-receiver.

[0168] Optionally, the first sub-receiver may include N antennas, the second sub-receiver may include M antennas, and the number of ports of SRS resources configured by the network device to the terminal device may be K, where N, M, and K are positive integers respectively.

[0169] According to the relationship between N, M, and K, when K is less than M+N, Figure 3 As shown, the communication method may include the following S301-S304.

[0170] S301. The terminal device sends an SRS a times to the network device through the antenna of the first sub-receiver.

[0171] The antenna corresponding to the SRS sent each time is different.

[0172] S302: The network device determines that the ports corresponding to the SRSs received a times previously correspond to the first sub-receiver.

[0173] S303: The terminal device sends b SRSs to the network device through the antenna of the second sub-receiver.

[0174] The antenna corresponding to the SRS sent each time is different.

[0175] S304: The network device determines that the port corresponding to each SRS received b times corresponds to the second sub-receiver.

[0176] It should be noted that the number of antennas N of the first sub-receiver is S times the number of ports K of the SRS resources, and the number of antennas M of the second sub-receiver is L times K. When S is an integer, the above a=S, when S is a non-integer, a is the value of S rounded up, and when L is an integer, the above b=L, when L is a non-integer, b is the value of L rounded up.

[0177] The number of SRS resources configured by the network device to the terminal device can be determined according to the antenna transmission capability of the terminal device and the number of antennas of each sub-receiver, so that the terminal device uses one SRS resource each time it sends SRS. Moreover, different antennas correspond to different ports each time when sending SRS.

[0178] For example, the number of ports K of the SRS resources configured by the network device to the terminal device is 1, such as Figure 4 As shown, the number of antennas N of the first sub-receiver 401 is 3, and the number of antennas M of the second sub-receiver 402 is 3 for example. Since N and M are both integer multiples of K, the network device can configure 6 SRS resources to the terminal device, and the terminal device can send SRS to the network device three times respectively through the three antennas of the first sub-receiver 401 (using one SRS resource each time). And the terminal device sends SRS to the network device three times respectively through the three antennas of the second sub-receiver 402 (using one SRS resource each time). Thus, the network device can determine that the ports corresponding to the corresponding SRS correspond to the three antennas of the first sub-receiver 401 when receiving the SRS for the first three times. The corresponding network device can determine that the ports corresponding to the corresponding SRS correspond to the three antennas of the second sub-receiver 402 when receiving the SRS for the last three times.

[0179] That is, for a UE with 1T6R capability, the three ports of three adjacent antenna selection measurements correspond to three antennas of a sub-receiver.

[0180] For another example, take the case where the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, and the number of ports K of the SRS resources configured to the terminal device is 2. Since both N and M are non-integer multiples of K, they are rounded up to 2, so the network device can configure 4 SRS resources to the terminal device. The terminal device can send SRS for the first time through the two ports of the first SRS resource corresponding to the two antennas of the first sub-receiver, and send SRS for the second time through the remaining 1 antenna of the first sub-receiver corresponding to one port of the second SRS resource (wherein the other port can be empty). Thus, the network device can determine that the total of 3 ports of the SRS received in the first two times correspond to the first sub-receiver respectively. Correspondingly, the terminal device can send SRS for the third time through the two ports of the third SRS resource corresponding to the two antennas of the second sub-receiver, and send SRS for the fourth time through the remaining 1 antenna of the second sub-receiver corresponding to one port of the fourth SRS resource (wherein the other port can be empty). Thus, the network device can determine that the total of 3 ports of the SRS received in the last two times correspond to the second sub-receiver respectively.

[0181] That is, for a UE with two-transmit and six-receive (2T6R) capability, all channel measurements are completed through four adjacent aerial selections, where three ports of the first two aerial selection measurements correspond to three antennas of a 3R sub-receiver, and three ports of the last two aerial selection measurements correspond to three antennas of another 3R sub-receiver.

[0182] For another example, take the case where the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, and the number of ports K of the SRS resources configured for the terminal device is 3. Since N and M are both integer multiples of K, the network device can configure 2 SRS resources for the terminal device. The terminal device can send an SRS to the network device once through the 3 ports of an SRS resource corresponding to the 3 antennas of the first sub-receiver. And the terminal device sends an SRS to the network device once through the 3 ports of another SRS resource corresponding to the 3 antennas of the second sub-receiver. Thus, the network device can determine that the ports corresponding to the corresponding SRSs correspond to the 3 antennas of the first sub-receiver when receiving the SRS for the first time. The corresponding network device can determine that the ports corresponding to the corresponding SRSs correspond to the 3 antennas of the second sub-receiver when receiving the SRS for the second time.

[0183] That is, for a UE with three-transmit and six-receive (3T6R) capability, the three ports of an antenna selection measurement correspond to the three antennas of a 3R sub-receiver.

[0184] For another example, take the case where the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, and the number of ports K of the SRS resources configured for the terminal device is 4. Since both N and M are non-integer multiples of K and are rounded up to 1, the network device can configure 2 SRS resources for the terminal device. The terminal device can send SRS to the 3 ports of the first SRS resource corresponding to the 3 antennas of the first sub-receiver for the first time (the other port can be empty). This allows the network device to determine that the 3 ports of the SRS received for the first time correspond to the first sub-receiver respectively. Correspondingly, the terminal device can send SRS to the 3 ports of the second SRS resource corresponding to the 3 antennas of the second sub-receiver for the second time (the other port can be empty). This allows the network device to determine that the 3 ports of the SRS received for the second time correspond to the second sub-receiver respectively.

[0185] That is, for a UE with four-transmit and six-receive (4T6R) capability, three ports in an antenna-selected measurement correspond to three antennas of a 3R sub-receiver.

[0186] For another example, the number of ports K of the SRS resources configured for the terminal device is 1, such as Figure 5As shown, the number of antennas N of the first sub-receiver 501 is 4, and the number of antennas M of the second sub-receiver 502 is 2 for example. Since both N and M are integer multiples of K, the network device can configure 6 SRS resources to the terminal device. The terminal device can send 4 SRSs to the network device through the 4 antennas of the first sub-receiver 501 in sequence (using one SRS resource each time). And the terminal device sends 2 SRSs to the network device in sequence through the 2 antennas of the second sub-receiver 502 in sequence (using one SRS resource each time). Thus, the network device can determine that the ports corresponding to the corresponding SRSs correspond to the 4 antennas of the first sub-receiver 501 when the SRSs are received for the first 4 times. The corresponding network device can determine that the ports corresponding to the corresponding SRSs correspond to the 2 antennas of the second sub-receiver 502 when the SRSs are received for the last 2 times.

[0187] That is, for a UE with 1T6R capability, the 4 ports of 4 adjacent astronomical measurements correspond to the 4 antennas of a 4R sub-receiver, and the 2 ports of 2 adjacent astronomical measurements correspond to the 2 antennas of a 2R sub-receiver.

[0188] For another example, take the case where the number of antennas N of the first sub-receiver is 4, the number of antennas M of the second sub-receiver is 2, and the number of ports K of the SRS resources configured for the terminal device is 2. Since both N and M are integer multiples of K, the network device can configure 3 SRS resources for the terminal device. The terminal device can send the SRS for the first time through the two antennas of the first sub-receiver corresponding to the two ports of the first SRS resource, and then send the SRS for the second time through the other two antennas of the first sub-receiver corresponding to the two ports of the second SRS resource, so that when the network device receives the first two SRSs, it can determine that each port of the SRS corresponds to the first sub-receiver. The terminal device can also send the SRS for the third time through the two antennas of the second sub-receiver corresponding to the two ports of the third SRS resource, so that when the network device receives the SRS for the third time, it can determine that the port corresponding to the SRS corresponds to the second sub-receiver.

[0189] That is, for a UE with two-transmit six-receive (2T6R) capability, all channel measurements are completed through three consecutive selections. The four ports measured in the first two selections correspond to the four antennas of a 4R sub-receiver, and the two ports measured in the third selection correspond to the two antennas of a 2R sub-receiver.

[0190] pass Figure 3The method shown enables the network device to configure corresponding SRS resources to the terminal device according to the antenna transmission capability of the terminal device and the number of antennas of each sub-receiver, so that the terminal device sends SRS through the antennas of different sub-receivers in sequence at a specific number of times and in a certain order. This makes it easy for the network device to determine the sub-receiver corresponding to the port corresponding to the corresponding SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver, in accordance with a strategy that matches the way in which the terminal device sends SRS.

[0191] Optionally, according to the relationship among N, M, and K, when K=M+N, the terminal device may send an SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver.

[0192] Among them, the port index, comb teeth, or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other. Therefore, the network device can distinguish each port according to the port index, comb teeth, or cyclic shift of the channel of each antenna. Therefore, the corresponding relationship between the port index, comb teeth, or cyclic shift of different channels and the sub-receiver can be pre-set, and the network device can determine the sub-receiver corresponding to the port corresponding to each channel according to the corresponding relationship.

[0193] For example, the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, and the number of ports K of the SRS resource configured to the terminal device is 6. Then the network device can configure 1 SRS resource to the terminal device. The terminal device can send SRS through the 6 ports of the SRS resource corresponding to the 6 antennas of the first sub-receiver and the second sub-receiver. Thus, the network device can distinguish different ports according to the port index, comb teeth, or cyclic shift of the channel of each antenna, and then determine the sub-receivers corresponding to different ports according to the preset port index, comb teeth, or cyclic shift and the corresponding relationship between the sub-receiver. For example, the preset corresponding relationship can be set to three ports with port indexes of 0, 1, and 2 corresponding to the first sub-receiver, and three ports with port indexes of 3, 4, and 5 corresponding to the second sub-receiver. Thus, the network device can determine the ports with port indexes of 0, 1, and 2 in the channels of each antenna as corresponding to the first sub-receiver, and accordingly, determine the other three ports as corresponding to the second sub-receiver.

[0194] That is, for a UE with six-transmit six-receive (6T6R) capability, the six ports may be divided into two groups according to different port indices / comb teeth / cyclic shifts, corresponding to the three antennas of the two sub-receivers respectively.

[0195] For another example, the number of antennas N of the first sub-receiver is 4, the number of antennas M of the second sub-receiver is 2, and the number of ports K of the SRS resource configured to the terminal device is 6. Then the network device can configure 1 SRS resource to the terminal device. The terminal device can send SRS through the 6 ports of the SRS resource corresponding to the 6 antennas of the first sub-receiver and the second sub-receiver. Thus, the network device can distinguish different ports according to the port index, comb teeth, or cyclic shift of the channel of each antenna, and then determine the sub-receivers corresponding to different ports according to the preset port index, comb teeth, or cyclic shift and the corresponding relationship between the sub-receiver. For example, the preset corresponding relationship can be set to 4 ports with port indexes of 0, 1, 2, and 3 corresponding to the first sub-receiver, and two ports with port indexes of 4 and 5 corresponding to the second sub-receiver. Thus, the network device can determine the ports with port indexes of 0, 1, 2, and 3 in the channels of each antenna as corresponding to the first sub-receiver, and accordingly, determine the other two ports as corresponding to the second sub-receiver.

[0196] That is, for a UE with six-transmit six-receive (6T6R) capability, the six ports may be divided into 4+2 groups according to different port indices / comb teeth / cyclic shifts, corresponding to the 4 / 2 antennas of the two sub-receivers respectively.

[0197] In this way, when the antenna transmission capability of the terminal device is the same as the total number of antennas of each sub-receiver, all antennas can be measured by sending an SRS only once, and the terminal can determine the sub-receiver corresponding to each port.

[0198] Optionally, when K=M+N, if the K ports of the SRS resource are sent in adjacent X orthogonal frequency-division multiplexing (OFDM) symbols, the terminal device can also send different OFDM symbols through corresponding sub-receivers according to the preset correspondence between OFDM symbols and sub-receivers when sending the SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, and different OFDM symbols correspond to different ports. This facilitates the network device to determine the sub-receivers corresponding to the ports corresponding to each OFDM symbol of the SRS according to the preset correspondence between the OFDM symbols and the sub-receivers.

[0199] For example, the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, the number of ports K of the SRS resource configured for the terminal device is 6, and the 6 ports of the SRS are sent in 2 adjacent OFDM symbols. Then the network device can configure 1 SRS resource to the terminal device. The terminal device can send SRS through all antennas of the first sub-receiver and the second sub-receiver. And when sending, the first OFDM symbol is sent through the 3 ports of the SRS resource corresponding to the 3 antennas of the first sub-receiver, and the second OFDM symbol is sent through the other 3 ports of the SRS resource corresponding to the 3 antennas of the second sub-receiver. Thus, when the network device receives the first OFDM symbol, it can determine that the 3 ports corresponding to the symbol correspond to the first sub-receiver, and when receiving the second OFDM symbol, it can determine that the 3 ports corresponding to the symbol correspond to the second sub-receiver.

[0200] That is, for a UE with six-transmit six-receive (6T6R) capability, if six ports of an SRS resource are sent in two adjacent OFDM symbols, three ports of one OFDM symbol correspond to three antennas of a sub-receiver.

[0201] For another example, take the case where the number of antennas N of the first sub-receiver is 4, the number of antennas M of the second sub-receiver is 2, the number of ports K of the SRS resource configured for the terminal device is 6, and the 6 ports of the SRS are sent in 2 adjacent OFDM symbols. Then the network device can configure 1 SRS resource to the terminal device. The terminal device can send SRS through all antennas of the first sub-receiver and the second sub-receiver together. And, when sending, the first OFDM symbol is sent through the 4 ports of the SRS resource corresponding to the 4 antennas of the first sub-receiver, and the second OFDM symbol is sent through the 2 ports of the SRS resource corresponding to the 2 antennas of the second sub-receiver. Thus, when the network device receives the first OFDM symbol, it can determine that the 4 ports corresponding to the symbol correspond to the first sub-receiver, and when receiving the second OFDM symbol, it can determine that the 2 ports corresponding to the symbol correspond to the second sub-receiver.

[0202] That is, for a UE with six-transmit-six-receive (6T6R) capability, if the six ports of an SRS resource are sent in two adjacent OFDM symbols, the four ports of one OFDM symbol correspond to the four antennas of a 4R sub-receiver, and the two ports of another OFDM symbol correspond to the two antennas of a 2R sub-receiver.

[0203] For another example, the number of antennas N of the first sub-receiver is 4, the number of antennas M of the second sub-receiver is 2, the port K of the SRS resource configured to the terminal device is 6, and the 6 ports of the SRS are sent in 3 adjacent OFDM symbols. Then the network device can configure 1 SRS resource to the terminal device. The terminal device can send SRS together through all antennas of the first sub-receiver and the second sub-receiver. And when sending, the first OFDM symbol is sent through the 2 ports of the SRS resource corresponding to the 2 antennas of the first sub-receiver, the second OFDM symbol is sent through the 2 ports of the SRS resource corresponding to the 2 antennas of the second sub-receiver, and the third OFDM symbol is sent through the 2 ports of the SRS resource corresponding to the remaining 2 antennas of the first sub-receiver. Thus, when the network device receives the first OFDM symbol and the third OFDM symbol, it can determine that the 4 ports corresponding to the 2 symbols correspond to the first sub-receiver, and when receiving the second OFDM symbol, it can determine that the 2 ports corresponding to the symbol correspond to the second sub-receiver.

[0204] That is, for a UE with six-transmit-six-receive (6T6R) capability, if the six ports of an SRS resource are sent in three adjacent OFDM symbols, the total of four ports of the first and third OFDM symbols correspond to the four antennas of a 4R sub-receiver, and the two ports of the second OFDM symbol correspond to the two antennas of a 2R sub-receiver.

[0205] For another example, take the case where the number of antennas N of the first sub-receiver is 4, the number of antennas M of the second sub-receiver is 2, the antenna transmission capacity K of the terminal device is 6, and the 6 ports of SRS are sent in 3 adjacent OFDM symbols. Then the network device can configure 1 SRS resource to the terminal device. The terminal device can send SRS together through all antennas of the first sub-receiver and the second sub-receiver. And when sending, the first OFDM symbol is sent through the 2 ports of the SRS resource corresponding to the 2 antennas of the first sub-receiver, the second OFDM symbol is sent through the 2 ports of the SRS resource corresponding to the remaining 2 antennas of the first sub-receiver, and the third OFDM symbol is sent through the 2 ports of the SRS resource corresponding to the 2 antennas of the second sub-receiver. Thus, when the network device receives the first OFDM symbol and the second OFDM symbol, it can determine that the 4 ports corresponding to the 2 symbols correspond to the first sub-receiver, and when receiving the third OFDM symbol, it can determine that the 2 ports corresponding to the symbol correspond to the second sub-receiver.

[0206] That is, for a UE with six-transmit-six-receive (6T6R) capability, if the six ports of an SRS resource are sent in three adjacent OFDM symbols, the total four ports of the first two OFDM symbols correspond to the four antennas of a 4R sub-receiver, and the two ports of the third OFDM symbol correspond to the two antennas of a 2R sub-receiver.

[0207] In this way, through the above method, when the antenna transmission capacity of the terminal device is the same as the total number of antennas of each sub-receiver, and the terminal sends SRS with two or more OFDM symbols, the correspondence between OFDM symbols and sub-receivers can be used to distinguish the sub-receivers corresponding to the ports corresponding to different OFDM symbols, thereby improving the efficiency of determining the sub-receiver corresponding to each sub-receiver port.

[0208] Optionally, according to the relationship between N, M, and K, when K is less than M+N, if M=N=K+1 is also satisfied, the network device can configure 3 SRS resources to the terminal device. The terminal device can also send SRS to the network device through the K antennas of the first sub-receiver; then send SRS to the network device through another antenna other than the K antennas of the first sub-receiver and the first antenna of the second sub-receiver, and finally send SRS to the network device through all antennas other than the first antenna of the second sub-receiver. In addition, when sending SRS, the port index or cyclic shift of the channel of each antenna corresponding to each SRS is different from each other. Thus, the network device can determine that the port corresponding to the SRS received for the first time corresponds to the first sub-receiver, and the port corresponding to the SRS received for the third time corresponds to the second sub-receiver, and determine the sub-receiver corresponding to the port corresponding to the SRS received for the second time according to the preset port index, or the corresponding relationship between the cyclic shift and the sub-receiver, according to the port index or cyclic shift corresponding to the SRS received for the second time. For example, the port index corresponding to the first sub-receiver or the cyclic shift may be preset to be smaller than the port index or cyclic shift corresponding to the second sub-receiver. Thus, the network device may determine that the port index corresponding to the second received SRS or the port with the smaller cyclic shift corresponds to the first sub-receiver, and the other corresponds to the second sub-receiver.

[0209] For example, the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, the number of ports K of the SRS resources configured to the terminal device is 2, and the port index corresponding to the first sub-receiver or the cyclic shift is preset to be smaller than the port index or cyclic shift corresponding to the second sub-receiver. For example, the network device can configure 3 SRS resources to the terminal device. The terminal device can send SRS for the first time through the 2 antennas of the first sub-receiver corresponding to the 2 ports of the first SRS resource, and the second time through the remaining 1 antenna of the first sub-receiver and the 1 antenna in the second sub-receiver corresponding to the 2 ports of the second SRS resource, and the third time through the remaining 2 antennas of the second sub-receiver corresponding to the 2 ports of the third SRS resource. Thus, the network device can determine the port corresponding to the SRS received for the first time and the port index in the SRS received for the second time, or the port with a smaller cyclic shift as corresponding to the first sub-receiver. The port corresponding to the SRS received for the third time and another port (ie, the port index, or the port with a larger cyclic shift) in the SRS received for the second time are determined to correspond to the second sub-receiver.

[0210] That is, for a UE with two-transmit and six-receive (2T6R) capability, all channel measurements are completed through three consecutive natural selections, where the two ports of the first natural selection measurement and one of the ports of the second natural selection measurement correspond to the three antennas of a 3R sub-receiver, and the two ports of the third natural selection measurement and another port of the second natural selection measurement correspond to the three antennas of another 3R sub-receiver. The two ports of the second natural selection measurement are divided into two groups according to the port index / cyclic shift, corresponding to two sub-receivers respectively.

[0211] In this way, the above method can reduce the sending of SRS by one time when K is less than M+N and satisfies M=N=K+1, thereby improving the efficiency of the sky-selected measurement.

[0212] Optionally, according to the relationship between N, M, and K, when K is less than M+N, if S and L are both integers (where N is S times K, and M is L times K), S=L+1, then the terminal device can also send a times of SRS to the network device through the antennas of the first sub-receiver and the second sub-receiver, respectively, wherein the SRS corresponding to the odd times in a times is sent through the antenna of the first sub-receiver, and the SRS corresponding to the even times in a times is sent through the antenna of the second sub-receiver, and the antenna corresponding to each sent SRS is different, a=S+L. Thus, when the network device receives the SRS for an odd number of times, it can determine that the port corresponding to the corresponding SRS corresponds to the first sub-receiver, and when the SRS is received for an even number of times, it can determine that the port corresponding to the corresponding SRS corresponds to the second sub-receiver.

[0213] For example, take the case where the number of antennas N of the first sub-receiver is 4, the number of antennas M of the second sub-receiver is 2, and the number of ports K of the SRS resources configured for the terminal device is 2. Then the network device can configure 3 SRS resources for the terminal device. The terminal device can send SRS for the first time through the 2 antennas of the first sub-receiver corresponding to the 2 ports of the first SRS resource, the second time through the 2 antennas of the second sub-receiver corresponding to the 2 ports of the second SRS resource, and the third time through the remaining 2 antennas of the first sub-receiver corresponding to the 2 ports of the third SRS resource. Thus, the network device can determine that the corresponding port corresponds to the first sub-receiver when receiving the first and third SRS, and corresponds to the second sub-receiver when receiving the second SRS.

[0214] That is, for a UE with two-transmit and six-receive (2T6R) capability, all channel measurements are completed through three consecutive selections. The two ports measured in the first selection + the two ports measured in the third selection correspond to the four antennas of a 4R sub-receiver, and the two ports measured in the second selection correspond to the two antennas of a 2R sub-receiver.

[0215] In this way, the first sub-receiver and the second sub-receiver can alternately send the SRS, thereby avoiding the waiting time for switching the transmitting antenna of the same sub-receiver, thereby improving the efficiency of the antenna selection measurement.

[0216] As another implementation of the present application, the antenna transmission capability of the terminal device may include more than one capability, and may include two capabilities. Therefore, in another implementation, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of antennas indicated by the antenna transmission capability includes K and H, wherein N, M, K, and H are positive integers respectively, and when the values ​​of K and H are different, the network device may configure two SRS resources corresponding to the antenna transmission capability to the terminal device. For example, a first SRS resource and a second SRS resource, wherein the number of ports of the first SRS resource is K, and the number of ports of the second SRS resource is H.

[0217] At this time, according to the relationship between N, M, and K, when K=N, H=M, the network device can configure 1 first SRS resource and 1 second SRS resource for the terminal device. The terminal device can send SRS to the network device for the first time through all antennas of the first sub-receiver corresponding to the first SRS resource, and send SRS to the network device for the second time through all antennas of the second sub-receiver corresponding to the second SRS resource. Thus, the network device can determine that the K ports of the SRS received for the first time correspond to the first sub-receiver, and the H ports of the SRS received for the second time correspond to the second sub-receiver.

[0218] For example, take the case where the number of antennas N of the first sub-receiver is 4, the number of antennas M of the second sub-receiver is 2, the number of ports K of the first SRS resource configured to the terminal device is 4, and the number of ports H of the second SRS resource is 2. Then, the network device can configure 1 first SRS resource and 1 second SRS resource to the terminal device. The terminal device can send SRS for the first time through the 4 antennas of the first sub-receiver corresponding to the 4 ports of the first SRS resource, and for the second time through the 2 antennas of the second sub-receiver corresponding to the 2 ports of the second SRS resource. Thus, the network device can determine that the corresponding port corresponds to the first sub-receiver when receiving the SRS for the first time, and determine that the corresponding port corresponds to the second sub-receiver when receiving the SRS for the second time.

[0219] That is, for UEs with both four-transmit-six-receive (4T6R) and two-transmit-six-receive (2T6R) capabilities, the four ports of one selected measurement correspond to the four antennas of a 4R sub-receiver, and the two ports of another selected measurement correspond to the two antennas of a 2R sub-receiver.

[0220] In this way, when the antenna transmission capability of the terminal device matches the number of antennas of each sub-receiver, the antenna selection measurement can be quickly completed by sending SRS twice, and the network device can easily determine the sub-receiver corresponding to each port.

[0221] Optionally, when K+H=N=M, the network device can configure 2 first SRS resources and 2 second SRS resources for the terminal device. The terminal device can send SRS to the network device through the K antennas of the first sub-receiver for the first time, send SRS to the network device through H antennas outside the K antennas of the first sub-receiver for the second time, send SRS to the network device through the K antennas of the second sub-receiver for the third time, and send SRS to the network device through H antennas outside the K antennas of the second sub-receiver for the fourth time. Thus, the network device can determine that the K ports of the SRS received for the first time and the H ports of the SRS received for the second time correspond to the first sub-receiver, and determine that the K ports of the SRS received for the third time and the H ports of the SRS received for the fourth time correspond to the second sub-receiver.

[0222] For example, take the case where the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, the number of ports K of the first SRS resource configured to the terminal device is 2, and the number of ports H of the second SRS resource is 1. Then, the network device can configure 2 first SRS resources and 2 second SRS resources to the terminal device. The terminal device can send SRS for the first time through the 2 antennas of the first sub-receiver corresponding to the 2 ports of the first first SRS resource, the second time through the remaining 1 antenna of the first sub-receiver corresponding to the 1 port of the first second SRS resource, the third time through the 2 antennas of the second sub-receiver corresponding to the 2 ports of the second first SRS resource, and the fourth time through the remaining 1 antenna of the second sub-receiver corresponding to the 1 port of the second second SRS resource. Thus, the network device can determine that the two ports of the SRS received for the first time and the one port of the SRS received for the second time correspond to the first sub-receiver, and determine that the two ports of the SRS received for the third time and the one port of the SRS received for the fourth time correspond to the second sub-receiver.

[0223] That is, for a UE having both two-transmit six-receive (2T6R) and one-transmit six-receive (1T6R) capabilities, the three ports of two adjacent antenna-selected measurements correspond to the three antennas of a sub-receiver.

[0224] In this way, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, so that the network device can easily determine the sub-receiver corresponding to each port.

[0225] Optionally, when K-1=N=M=H+1, the network device can configure 1 first SRS resource and 1 second SRS resource to the terminal device. The terminal device can send the SRS to the network device through all antennas of the first sub-receiver and the first antenna of the second sub-receiver for the first time, and send the SRS to the network device through all antennas other than the first antenna of the second sub-receiver for the second time. Among them, the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other. Thus, the network device can determine that K-1 ports of each port of the received SRS including K ports correspond to the first sub-receiver, determine that H ports of each port of the received SRS including H ports, and 1 port of each port of the SRS including K ports that does not correspond to the first sub-receiver respectively correspond to the second sub-receiver according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, and the port index or cyclic shift corresponding to the received SRS.

[0226] For example, the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, the number of ports K of the first SRS resource configured to the terminal device is 4, the number of ports H of the second SRS resource is 2, and the correspondence between the preset port index, or cyclic shift and the sub-receiver is the port index of each port of the first sub-receiver, or the cyclic shift is less than the port index of each port of the second sub-receiver, or the cyclic shift. For example, the network device can configure 1 first SRS resource and 1 second SRS resource to the terminal device. The terminal device can send SRS for the first time through the 3 antennas of the first sub-receiver and the 1 antenna of the second sub-receiver corresponding to the 4 ports of the first SRS resource, and send SRS for the second time through the remaining 2 antennas of the second sub-receiver corresponding to the 2 ports of the second SRS resource. Thus, the network device can determine the port index corresponding to the channel of the antenna in the SRS received for the first time, or the port corresponding to the largest cyclic shift as corresponding to the second sub-receiver according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, thereby determining the remaining ports as corresponding to the first sub-receiver, and determining each port of the SRS received for the second time as corresponding to the second sub-receiver.

[0227] That is, for UEs with both four-transmit-six-receive (4T6R) and two-transmit-six-receive (2T6R) capabilities, three of the ports measured by 4T6R correspond to three antennas of a 3R sub-receiver, and the remaining port + two ports measured by 2T6R correspond to three antennas of another 3R sub-receiver.

[0228] In this way, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, and the network device can easily determine the sub-receiver corresponding to each port.

[0229] Optionally, when K-1=N=M=H+1, if the value of N is an odd number, the network device can configure 1 first SRS resource and 1 second SRS resource for the terminal device. The terminal device can send SRS to the network device for the first time through K / 2 antennas of the first sub-receiver and k / 2 antennas of the second sub-receiver, and send SRS to the network device for the second time through another H / 2 antennas of the first sub-receiver and another H / 2 antennas of the second sub-receiver. In addition, the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other. Thus, the network device can determine, according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, and based on the port index or cyclic shift corresponding to the received SRS, that K / 2 of the ports of the received SRS including K ports correspond to the first sub-receiver, and another K / 2 correspond to the second sub-receiver, and determine that H / 2 of the ports of the received SRS including H ports correspond to the first sub-receiver, and another H / 2 correspond to the second sub-receiver.

[0230] For example, in the above implementation, the SRS sent for the first time may be swapped with the SRS sent for the second time, which is not limited here.

[0231] As an example, the number of antennas N of the first sub-receiver is 3, the number of antennas M of the second sub-receiver is 3, the number of ports K of the first SRS resource configured to the terminal device is 4, the number of ports H of the second SRS resource is 2, and the correspondence between the preset port index, or cyclic shift and the sub-receiver is the port index of each port of the first sub-receiver, or the cyclic shift is less than the port index of each port of the second sub-receiver, or the cyclic shift. Then the network device can configure 1 first SRS resource and 1 second SRS resource to the terminal device. The terminal device can send SRS for the first time through the 2 antennas of the first sub-receiver and the 2 antennas of the second sub-receiver corresponding to the 4 ports of the first SRS resource, and send SRS to the network device for the second time through another antenna of the first sub-receiver and another antenna of the second sub-receiver corresponding to the 2 ports of the second SRS resource. Thus, when the network device receives the SRS for the first time, based on the preset port index or the correspondence between the cyclic shift and the sub-receiver, two of the four ports with smaller port indexes or cyclic shifts can be determined as corresponding to the first sub-receiver, and the other two can be determined as corresponding to the second sub-receiver. When the SRS is received for the second time, based on the preset port index or the correspondence between the cyclic shift and the sub-receiver, one of the two ports with smaller port indexes or cyclic shifts can be determined as corresponding to the first sub-receiver, and the other can be determined as corresponding to the second sub-receiver.

[0232] That is, for UEs with both four-transmit-six-receive (4T6R) and two-transmit-six-receive (2T6R) capabilities, the four ports measured by 4T6R are split into two groups, each group corresponding to the two antennas of a 3R sub-receiver; the two ports measured by 2T6R are split into two groups, each group corresponding to the remaining one antenna of a 3R sub-receiver.

[0233] In this way, the two antenna transmission capabilities of the terminal device can be used to easily and quickly perform antenna selection measurements on different sub-receivers, and the network device can easily determine the sub-receiver corresponding to each port.

[0234] As another feasible implementation in the embodiments of the present application, the sub-receivers of the terminal device may be sub-receivers with limited transmission capabilities (the transmission capabilities of the sub-receivers are used to indicate the maximum number of antennas that the sub-receivers can simultaneously transmit signals). That is, each sub-receiver has a fixed transceiver capability, and the transceiver capability of each sub-receiver cannot be changed as required according to the transceiver capability of the terminal. For example, each sub-receiver uses a corresponding radio frequency chip (radio frequency integrated circuit, RFIC), and the transceiver capability of each sub-receiver corresponds to the radio frequency chip it uses. Thus, when the terminal device sends an SRS, it needs to consider the transceiver capability of each sub-receiver, and the transmission capability of the corresponding sub-receiver cannot be exceeded when sending an SRS through each sub-receiver.

[0235] By way of example, the following will be exemplified by taking a terminal device including a first sub-receiver and a second sub-receiver, the two sub-receivers have limited transmission capabilities, the first sub-receiver includes N antennas, and the second sub-receiver includes M antennas.

[0236] Optionally, the antenna connected to the first sub-receiver and the antenna included in the second sub-receiver can be predetermined according to the antenna polarization and / or routing conditions. It can also be determined by the terminal device according to the channel state information reference signal, or by the network device according to the SRS. After the terminal device or the network device determines the antenna connected to each sub-receiver, it can inform the opposite side through a message. When the antenna included in each sub-receiver is determined by the terminal device according to the channel state information reference signal, or by the network device according to the SRS, the flexibility of the antenna of each sub-receiver can be improved and the interference between the antennas of each sub-receiver can be reduced.

[0237] It should be noted that the antenna transmission capability of the terminal device may be the sum of the transmission capabilities of each sub-receiver. When the network device configures the SRS resource according to the antenna transmission capability of the terminal device, the number of ports of the SRS resource is configured according to the antenna transmission capability of the terminal device. When the SRS is sent through each sub-receiver, the corresponding number of ports in the SRS resource may be used according to the transmission capability of each sub-receiver.

[0238] As an example, the number of ports of SRS resources configured by the network device to the terminal device is A+B, the number of ports of SRS resources applied by the first sub-receiver is A, and the number of ports of SRS resources applied by the second sub-receiver is B, where N, M, A, and B are positive integers respectively, and N=M, A=B, N is S times A, and S is an integer. Then, the network device can configure S SRS resources to the terminal device. The terminal device can send S SRSs to the network device through the A ports in the SRS resources corresponding to the A antennas of the first sub-receiver and the B ports in the SRS resources corresponding to the B antennas of the second sub-receiver, and the antennas and ports corresponding to the SRS sent each time are different, wherein the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRSs are different. Thus, the network device can determine the A ports corresponding to the first sub-receiver and the B ports corresponding to the second sub-receiver among the ports corresponding to the SRS received each time according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver and according to the port index or cyclic shift corresponding to the SRS.

[0239] For example, the number of ports of the SRS resource configured for the terminal device is 2, the first sub-receiver and the second sub-receiver use 1 port respectively, and the corresponding relationship between the preset port index, or cyclic shift and the sub-receiver is the port index of each port of the first sub-receiver, or the cyclic shift is less than the port index of each port of the second sub-receiver, or the cyclic shift, such as Figure 6As shown, the first sub-receiver uses the first RF chip 601 including 3 antennas, and the second sub-receiver uses the second RF chip 602 including 3 antennas as an example. Then the network device can configure 3 SRS resources for the terminal device. The terminal device can send SRS to the network device 3 times through 1 antenna of the first sub-receiver and 1 antenna of the second sub-receiver, respectively corresponding to 1 port of the SRS resource, and the antenna corresponding to each SRS sent is different, and each SRS is sent using an SRS resource. Among them, the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different. Thus, the network device can determine the port index in the port corresponding to each received SRS, or the port with a smaller cyclic shift corresponding to the first sub-receiver, and the other port corresponding to the second sub-receiver according to the preset port index, or the corresponding relationship between the cyclic shift and the sub-receiver, and the port index or cyclic shift corresponding to the SRS.

[0240] That is, the UE divides the two ports selected each time into two groups and notifies the other end (i.e., the network device) that the port with the smaller port index / cyclic shift of the two ports measured each time corresponds to one of the RFICs (sub-receivers), and the port with the larger port index / cyclic shift of the two ports measured each time corresponds to the other RFIC (sub-receiver).

[0241] In this way, it is possible to conveniently perform the celestial measurement by using two sub-receivers with the same transmission capacity and limited transmission capacity as sub-receivers, and enable the network device to quickly determine the sub-receiver corresponding to each port.

[0242] As another example, the SRS resources configured for the terminal device include the first SRS resource and the second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers, and N=M=A+B. Then, the network device can configure 1 first SRS resource and 1 second SRS resource for the terminal device. The terminal device can send SRS to the network device for the first time through the A antenna of the first sub-receiver and the A antenna of the second sub-receiver corresponding to the 2A ports of the first SRS resource, and send SRS to the network device for the second time through another B antenna outside the A antenna of the first sub-receiver and another B antenna outside the A antenna of the second sub-receiver corresponding to the 2B ports of the second SRS resource, wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other. Thus, the network device can determine, according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, and according to the port index or cyclic shift corresponding to the SRS, the A ports corresponding to the first sub-receiver and the other A ports corresponding to the second sub-receiver among the 2A ports of the SRS received for the first time, and the B ports corresponding to the first sub-receiver and the other B ports corresponding to the second sub-receiver among the 2B ports of the SRS received for the second time.

[0243] For example, A is 2, B is 1, the preset port index, or the corresponding relationship between the cyclic shift and the sub-receiver is the port index of each port of the first sub-receiver, or the cyclic shift is smaller than the port index of each port of the second sub-receiver, or the cyclic shift, and the first sub-receiver is connected to 3 antennas, and the second sub-receiver is connected to 3 antennas. Then the terminal device can send SRS to the network device for the first time through the 2 antennas of the first sub-receiver and the 4 ports of the first SRS resource corresponding to the 2 antennas of the second sub-receiver, and send SRS for the second time through the remaining 1 antenna of the first sub-receiver and the remaining 1 antenna of the second sub-receiver corresponding to the 2 ports of the second SRS resource. Thus, the network device can determine the port index of the port corresponding to the SRS received for the first time, or the 2 ports with smaller cyclic shifts corresponding to the first sub-receiver, and the other 2 ports corresponding to the second sub-receiver according to the preset port index, or the corresponding relationship between the cyclic shift and the sub-receiver, and the port index or cyclic shift corresponding to the SRS. It is determined that the port index among the ports corresponding to the SRS received for the second time, or a port with a smaller cyclic shift corresponds to the first sub-receiver, and another port corresponds to the second sub-receiver.

[0244] That is, for the UE, 4T6R: 2 ports of the 4 ports of the first selected measurement are used to measure the channels of 2 antennas connected to the first RFIC, and the other 2 ports are used to measure the channels of 2 antennas connected to the second RFIC. The ports corresponding to different RFICs are distinguished by port index / cyclic shift / comb teeth. 2T6R: 1 port of the 2 ports of the second selected measurement is used to measure the channel of the remaining 1 antenna connected to the first RFIC, and the other port is used to measure the channel of the remaining 1 antenna connected to the second RFIC. The ports corresponding to different RFICs are distinguished by port index / cyclic shift.

[0245] In this way, it is possible to conveniently perform the selected measurement by using two limited-transmission-capacity sub-receivers with the same transmission capacity and both including two transmission capacities as sub-receivers, and enable the network device to quickly determine the sub-receiver corresponding to each port.

[0246] As another example, the number of ports of the SRS resource configured for the terminal device is 2A, and the first sub-receiver and the second sub-receiver use A ports of the SRS resource respectively, wherein N, M, and A are positive integers respectively, N is greater than M, and N is S times of A, M is L times of A, and S and L are both integers. Then, the network device can configure S SRS resources for the terminal device, and the terminal device can send L SRSs to the network device through the 2A ports of the SRS resources corresponding to the A antennas of the first sub-receiver and the A antennas of the second sub-receiver (using one SRS resource each time), and then send SL SRSs to the network device through the A ports of the SRS resources corresponding to the A antennas of the first sub-receiver (using one SRS resource each time, and the other A ports in the SRS resource can be empty). The antennas corresponding to the SRS sent each time are different, and the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRSs are different. Thus, the network device can determine the A ports corresponding to the first sub-receiver and the other A ports corresponding to the second sub-receiver among the 2A ports of the SRS received each time in the first L times according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, and determine that the A ports of the SRS received each time in the next SL times correspond to the first sub-receiver.

[0247] For example, when A is 2, the preset port index, or the corresponding relationship between the cyclic shift and the sub-receiver is the port index of each port of the first sub-receiver, or the cyclic shift is smaller than the port index of each port of the second sub-receiver, or the cyclic shift, such as Figure 7As shown, the first sub-receiver uses the first RF chip 701 including 4 antennas, and the second sub-receiver uses the second RF chip 702 including 2 antennas as an example. Then, the network device can configure 2 SRS resources to the terminal device, and the terminal device can send 1 SRS to the network device through the 2 antennas of the first sub-receiver and the 2 antennas of the second sub-receiver corresponding to the 4 ports of the first SRS resource, and then send 1 SRS to the network device through the 2 antennas of the first sub-receiver corresponding to the 2 ports of the second SRS resource (the other 2 ports can be empty). Among them, the antennas corresponding to the SRS sent each time are different, and the port indexes or cyclic shifts of the channels of each antenna corresponding to the SRS are different. Thus, the network device can determine the port index of the 4 ports of the SRS received for the first time, or the 2 ports with smaller cyclic shifts corresponding to the first sub-receiver, and the other 2 ports corresponding to the second sub-receiver according to the preset port index, or the corresponding relationship between the cyclic shift and the sub-receiver, and according to the port index or cyclic shift corresponding to the SRS. The two ports of the SRS received for the second time correspond to the first sub-receiver.

[0248] That is, for the UE, 4T6R: 2 of the 4 ports in the first selected measurement are used to measure the channels of 2 antennas connected to the first RFIC, and the other 2 ports are used to measure the channels of 2 antennas connected to the second RFIC. The ports corresponding to different RFICs are distinguished by port index / cyclic shift / comb teeth. 2T6R: The 2 ports in the second selected measurement are used to measure the channels of the other 2 antennas connected to the first RFIC.

[0249] In this way, antenna selection measurement can be conveniently performed by using two sub-receivers with the same transmission capacity and a limited transmission capacity whose number of antennas is an integer multiple of the transmission capacity as sub-receivers, and the network device can quickly determine the sub-receiver corresponding to each port.

[0250] Optionally, in an embodiment of the present application, the number of sub-receivers provided in the terminal device, and the number of antennas connected to each sub-receiver, can be set according to actual needs.

[0251] For example, an antenna set for receiving and processing a codeword may correspond to a sub-receiver. That is, the antenna set included in each sub-receiver in the present application (ie, the antenna included in the sub-receiver) corresponds to a codeword.

[0252] For example, taking the processing of two codewords as an example, a sub-receiver 1 corresponding to codeword 1 (ie, a codeword with a smaller index) and a sub-receiver 2 corresponding to codeword 2 (ie, a codeword with a larger index) may be set.

[0253] In this way, the signal receiving performance of each sub-receiver can be improved, thereby improving the performance of the overall receiver system.

[0254] As another example, an antenna set for receiving and processing a data stream contained in a code division multiplexing group (CDM group) may correspond to a sub-receiver. That is, the antenna set corresponding to each sub-receiver in the present application (i.e., the antenna connected to the sub-receiver) corresponds to a code division multiplexing group.

[0255] For example, taking processing two code division multiplexing groups as an example, a sub-receiver 1 corresponding to code division multiplexing group 1 (i.e., the code division multiplexing group with a smaller index) and a sub-receiver 2 corresponding to code division multiplexing group 2 (i.e., the code division multiplexing group with a larger index) can be set.

[0256] In this way, the signal receiving performance of each sub-receiver can be improved, thereby improving the performance of the overall receiver system.

[0257] Based on the aforementioned implementation, the terminal device can send one or more SRSs through the antennas of different sub-receivers in sequence according to the number of ports of the SRS resources configured by the network device and the number of antennas of each sub-receiver. This facilitates the network device to determine the sub-receivers corresponding to each port of the received different SRSs according to the number of ports of the SRS resources configured by the network device and the number of antennas of each sub-receiver after receiving the SRS. For example, when the antenna transmission capacity of the terminal device is 2 and the number of antennas corresponding to each sub-receiver is 2, the network device can configure an SRS resource with a port number of 2 to the terminal device, and the terminal device can send SRSs through the two antennas of each sub-receiver in sequence according to the sequence of the sub-receivers, so that the base station can determine that the two ports corresponding to the SRS correspond to the first sub-receiver in the sub-receiver sequence when the SRS is received for the first time, and determine that the two ports corresponding to the SRS correspond to the second sub-receiver in the sub-receiver sequence when the SRS is received for the second time, etc. Therefore, the base station can determine the sub-receiver corresponding to the port (or channel) corresponding to the SRS it receives through this method, so that the base station can perform corresponding precoding design (such as EZF precoding) to ensure the communication capabilities of each sub-receiver after splitting.

[0258] The above mainly introduces the solution provided by the embodiment of the present application from the perspective of interaction between various network elements. It can be understood that each network element, such as a network device, a terminal device, etc., includes a hardware structure and / or software module corresponding to each function in order to implement the above functions.

[0259] For example, the embodiment of the present application may also provide a communication device that can be applied to a network device. Figure 8 A schematic structural diagram of a communication device provided in an embodiment of the present application is shown.

[0260] like Figure 8 As shown, the communication device may include: a sending module 801, used to configure a sounding reference signal SRS resource whose port number corresponds to the antenna transmission capability of the terminal device to the terminal device, and the antenna transmission capability of the terminal device is used to indicate the maximum number of antennas that the terminal device can simultaneously transmit signals; a receiving module 802, used to receive the SRS from the terminal device, the terminal device includes at least two sub-receivers, and the SRS is sent by the terminal device through each antenna of different sub-receivers respectively; a processing module 803, used to determine the sub-receiver corresponding to the port corresponding to the SRS according to the port number of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

[0261] In one possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers; the processing module 803 is specifically used to determine, when K is less than M+N, that the ports corresponding to the SRSs received a times before correspond to the first sub-receiver, and the ports corresponding to the SRSs received b times after correspond to the second sub-receiver, wherein N is S times of K, and M is L times of K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, when L is a non-integer, b is the value of L rounded up.

[0262] In one possible design, the processing module 803 is specifically used to determine the sub-receiver corresponding to the port corresponding to the SRS according to the port index, or comb teeth, or cyclic shift corresponding to the SRS and the correspondence between the preset port index, or comb teeth, or cyclic shift and the sub-receiver when K=M+N.

[0263] In one possible design, the processing module 803 is specifically used to determine the sub-receivers corresponding to the ports corresponding to each OFDM symbol of the SRS according to a preset correspondence between the OFDM symbols and the sub-receivers when K=M+N and the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols.

[0264] In one possible design, the processing module 803 is specifically used to determine, when M=N=K+1, that the port corresponding to the SRS received for the first time corresponds to the first sub-receiver, and that the port corresponding to the SRS received for the third time corresponds to the second sub-receiver, and according to a preset port index, or the correspondence between the cyclic shift and the sub-receiver, determine the sub-receiver corresponding to the port corresponding to the SRS received for the second time according to the port index or cyclic shift corresponding to the SRS received for the second time.

[0265] In one possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers, N is S times K, and M is L times K; the processing module 803 is specifically used to determine that when K is less than M+N, and S and L are both integers, S=L+1, the port corresponding to the SRS corresponding to the odd number of times the SRS is received a times corresponds to the first sub-receiver, and the port corresponding to the SRS corresponding to the even number of times a times corresponds to the second sub-receiver, wherein a=S+L.

[0266] In one possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, and the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; the processing module 803 is specifically used to determine, when K=N and H=M, that the K ports of the SRS received for the first time correspond to the first sub-receiver, and the H ports of the SRS received for the second time correspond to the second sub-receiver.

[0267] In one possible design, the processing module 803 is specifically used to determine that, when K+H=N=M, the K ports of the SRS received for the first time and the H ports of the SRS received for the second time correspond to the first sub-receiver, and determine that the K ports of the SRS received for the third time and the H ports of the SRS received for the fourth time correspond to the second sub-receiver.

[0268] In one possible design, the processing module 803 is specifically used to determine, when K-1=N=M=H+1, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, and according to the port index or cyclic shift corresponding to the received SRS, that K-1 ports among the ports of the received SRS including K ports correspond to the first sub-receiver, determine that H ports among the ports of the received SRS including H ports, and 1 port among the ports of the SRS including K ports that does not correspond to the first sub-receiver respectively correspond to the second sub-receiver.

[0269] In one possible design, the processing module 803 is specifically used to determine, when K-1=N=M=H+1 and the value of N is an odd number, that K / 2 of the ports of the received SRS including K ports correspond to the first sub-receiver and another K / 2 correspond to the second sub-receiver, and to determine that H / 2 of the ports of the received SRS including H ports correspond to the first sub-receiver and another H / 2 correspond to the second sub-receiver according to a preset port index or a correspondence between cyclic shifts and sub-receivers.

[0270] In one possible design, at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, the number of ports of SRS resources applied by the second sub-receiver is B, N, M, A, and B are positive integers, and N=M, A=B, N is S times A, and S is an integer; the processing module 803 is specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, A ports corresponding to the first sub-receiver and B ports corresponding to the second sub-receiver among the ports corresponding to the SRS received each time.

[0271] In one possible design, at least two sub-receivers each have a limited transmission capability, the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, and the first sub-receiver and the second sub-receiver respectively use A ports of the first SRS resource , the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers respectively, and N=M=A+B; the processing module 803 is specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, A ports corresponding to the first sub-receiver and another A ports corresponding to the second sub-receiver among the 2A ports of the SRS received for the first time, and B ports corresponding to the first sub-receiver and another B ports corresponding to the second sub-receiver among the 2B ports of the SRS received for the second time.

[0272] In one possible design, at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, and the second sub-receiver includes M antennas. The number of ports of SRS resources configured for the terminal device is 2A, and the first sub-receiver and the second sub-receiver respectively apply A ports of SRS resources, wherein N, M, and A are positive integers, N is greater than M, and N is S times of A, M is L times of A, and S and L are both integers; the processing module 803 is specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, the A ports corresponding to the first sub-receiver and another A ports corresponding to the second sub-receiver among the 2A ports of the SRS received each time in the first L times, and the A ports of the SRS received each time in the last SL times correspond to the first sub-receiver.

[0273] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

[0274] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

[0275] In one possible design, the antenna set included in the sub-receiver corresponds to one codeword.

[0276] In one possible design, the antenna set included in the sub-receiver corresponds to a code division multiplexing group.

[0277] For example: The embodiment of the present application can also provide a communication device that can be applied to a terminal device. Fig. 9 A schematic diagram of the structure of another communication device provided in an embodiment of the present application is shown.

[0278] like Fig. 9 As shown, the communication device may include: a receiving module 901, used to receive SRS resources configured by a network device to a terminal device, the port number of the SRS resources corresponds to the antenna transmission capability of the terminal device, the antenna transmission capability is used to indicate the maximum number of antennas that the terminal device can simultaneously transmit signals, and the terminal device includes at least two sub-receivers; a sending module 902, used to send a sounding reference signal SRS to the network device, the SRS is sent by the terminal device through each antenna of different sub-receivers according to the SRS resources configured by the network device to the terminal device and the number of antennas of each sub-receiver of the terminal device, so that the network device can determine the sub-receiver corresponding to the port corresponding to the SRS according to the port number of the SRS resources configured to the terminal device and the number of antennas of each sub-receiver of the terminal device.

[0279] In a possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are positive integers respectively; when K is less than M+N, the sending module 902 is specifically used to send an SRS to the network device a times through the antenna of the first sub-receiver, and the antenna corresponding to each SRS sent is different; and send an SRS to the network device b times through the antenna of the second sub-receiver, and the antenna corresponding to each SRS sent is different; wherein N is S times of K, and M is L times of K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, and when L is a non-integer, b is the value of L rounded up.

[0280] In one possible design, when K=M+N, the sending module 902 is specifically used to send SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the port index, or comb tooth, or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0281] In a possible design, when K=M+N, the sending module 902 is specifically used to send the SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols, and different OFDM symbols are sent through the corresponding sub-receivers according to a preset correspondence between the OFDM symbols and the sub-receivers, and different OFDM symbols correspond to different ports.

[0282] In one possible design, when M=N=K+1, the sending module 902 is specifically used to send SRS to the network device through the K antennas of the first sub-receiver; send SRS to the network device through another antenna other than the K antennas of the first sub-receiver and the first antenna of the second sub-receiver; send SRS to the network device through all antennas other than the first antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0283] In a possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are respectively positive integers, N is S times of K, and M is L times of K; when K is less than M+N, and S and L are both integers, S=L+1, the sending module 902 is specifically used to send a SRS to the network device through the antennas of the first sub-receiver and the second sub-receiver respectively, wherein the SRS corresponding to the odd-numbered times in the a times is sent through the antenna of the first sub-receiver, and the SRS corresponding to the even-numbered times in the a times is sent through the antenna of the second sub-receiver, and the antenna corresponding to the SRS sent each time is different, a=S+L.

[0284] In one possible design, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, and the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; when K=N and H=M, the sending module 902 is specifically used to send the SRS to the network device through all antennas of the first sub-receiver; and send the SRS to the network device through all antennas of the second sub-receiver.

[0285] In one possible design, when K+H=N=M, the sending module 902 is specifically used to send SRS to the network device through the K antennas of the first sub-receiver; send SRS to the network device through H antennas outside the K antennas of the first sub-receiver; send SRS to the network device through the K antennas of the second sub-receiver; send SRS to the network device through H antennas outside the K antennas of the second sub-receiver.

[0286] In one possible design, when K-1=N=M=H+1, the sending module 902 is specifically used to send SRS to the network device through all antennas of the first sub-receiver and the first antenna of the second sub-receiver; and to send SRS to the network device through all antennas except the first antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different from each other.

[0287] In one possible design, when K-1=N=M=H+1, and the value of N is an odd number, the sending module 902 is specifically used to send SRS to the network device through K / 2 antennas of the first sub-receiver and k / 2 antennas of the second sub-receiver; and to send SRS to the network device through another H / 2 antennas of the first sub-receiver and another H / 2 antennas of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0288] In one possible design, at least two sub-receivers each have a limited antenna transmission capability, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, and the number of ports of SRS resources applied by the second sub-receiver is B, wherein N, M, A, and B are positive integers, respectively, and N=M, A=B, N is S times A, and S is an integer; a sending module 902 is specifically used to send S SRSs to a network device through A antennas of the first sub-receiver and B antennas of the second sub-receiver, respectively, and the antennas corresponding to the SRSs sent each time are different, wherein the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRSs are different.

[0289] In one possible design, at least two sub-receivers each have a limited antenna transmission capability, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers, and N=M=A+B; the sending module 902 is specifically used to send the SRS to the network device through the A antenna of the first sub-receiver and the A antenna of the second sub-receiver; send the SRS to the network device through another B antennas other than the A antenna of the first sub-receiver and another B antennas other than the A antenna of the second sub-receiver; wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

[0290] In one possible design, at least two sub-receivers each have a limited antenna transmission capability, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources configured for the terminal device is 2A, the first sub-receiver and the second sub-receiver respectively apply A ports of SRS resources, wherein N, M, and A are positive integers, N is greater than M, and N is S times of A, M is L times of A, and S and L are both integers; a sending module 902 is specifically used to send L SRSs to a network device through the A antennas of the first sub-receiver and the A antennas of the second sub-receiver; and send SL SRSs to the network device through the A antennas of the first sub-receiver; wherein the antennas corresponding to the SRSs sent each time are different, and the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRSs are different.

[0291] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

[0292] In a possible design, the antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

[0293] In one possible design, the antenna set included in the sub-receiver corresponds to one codeword.

[0294] In one possible design, the antenna set included in the sub-receiver corresponds to a code division multiplexing group.

[0295] It should be understood that the division of units (or modules) in the above device is only a division of logical functions. In actual implementation, they can be fully or partially integrated into one physical entity, or physically separated. And the units in the device can all be implemented in the form of software calling through processing elements; or all in the form of hardware; or some units can be implemented in the form of software calling through processing elements, and some units can be implemented in the form of hardware.

[0296] For example, each unit can be a separately established processing element, or it can be integrated in a certain chip of the device. In addition, it can also be stored in a memory in the form of a program, and called and executed by a certain processing element of the device. In addition, all or part of these units can be integrated together, or they can be implemented independently. The processing element described here can also be called a processor, which can be an integrated circuit with signal processing capabilities. In the implementation process, each step of the above method or each unit above can be implemented by an integrated logic circuit of hardware in the processor element or in the form of software called by a processing element.

[0297] In one example, the unit in any of the above devices may be one or more integrated circuits configured to implement the above method, such as: one or more ASICs, or, one or more DSPs, or, one or more FPGAs, or a combination of at least two of these integrated circuit forms.

[0298] For another example, when the units in the device can be implemented in the form of a processing element scheduling program, the processing element can be a general-purpose processor, such as a CPU or other processor that can call a program. For another example, these units can be integrated together and implemented in the form of a system-on-a-chip (SOC).

[0299] The above unit for receiving is an interface circuit or input circuit of the device, which is used to receive signals from other devices. For example, when the device is implemented in the form of a chip, the receiving unit is an interface circuit or input circuit of the chip for receiving signals from other chips or devices. When the communication device includes a unit for sending, the unit for sending is an interface circuit or output circuit of the device, which is used to send signals to other devices. For example, when the device is implemented in the form of a chip, the sending unit is an interface circuit or output circuit of the chip for sending signals to other chips or devices.

[0300] For example, an embodiment of the present application may also provide a communication device, which may be applied to the above network device or terminal device. The communication device may include: a processor and an interface circuit. The processor may include one or more.

[0301] When the communication device is applied to a network device, the processor is used to communicate with other devices through the interface circuit and execute the various steps executed by the network device in the above method.

[0302] When the communication device is applied to a terminal device, the processor is used to communicate with other devices through the interface circuit and execute the various steps executed by the terminal device in the above method.

[0303] In one implementation, the units for implementing the corresponding steps in the above method in the network device or terminal device can be implemented in the form of a processing element scheduling program. For example, the apparatus for the network device or terminal device may include a processing element and a storage element, and the processing element calls the program stored in the storage element to execute the method executed by the corresponding network device or terminal device in the above method embodiment. The storage element may be a storage element on the same chip as the processing element, that is, an on-chip storage element.

[0304] In another implementation, the program for executing the method executed by the network device or terminal device in the above method can be in a storage element on a different chip from the processing element, that is, an off-chip storage element. In this case, the processing element calls or loads the program from the off-chip storage element to the on-chip storage element to call and execute the method executed by the corresponding network device or terminal device in the above method embodiment.

[0305] For example, an embodiment of the present application may also provide a communication device, which may include a memory and a processor, and the processor is used to execute computer instructions stored in the memory, and when the computer instructions are executed, the device executes the method executed by the above network device or terminal device. The memory may be located inside the communication device or outside the communication device. And the processor includes one or more.

[0306] In another implementation, the unit of the network device or terminal device implementing each step in the above method may be configured as one or more processing elements, which may be arranged on the corresponding network device or the first terminal device, and the processing element here may be an integrated circuit, for example: one or more ASICs, or one or more DSPs, or one or more FPGAs, or a combination of these integrated circuits. These integrated circuits may be integrated together to form a chip.

[0307] The units of the network device or terminal device that implement each step in the above method can be integrated together and implemented in the form of a SOC, and the SOC chip is used to implement the corresponding method. The chip can integrate at least one processing element and a storage element, and the corresponding method is implemented in the form of a program stored in the storage element by the processing element; or, the chip can integrate at least one integrated circuit to implement the corresponding method; or, the above implementation methods can be combined, and the functions of some units are implemented in the form of a processing element calling a program, and the functions of some units are implemented in the form of an integrated circuit.

[0308] The processing element here is the same as described above, and can be a general-purpose processor, such as a CPU, or can be one or more integrated circuits configured to implement the above method, such as: one or more ASICs, or, one or more microprocessors DSPs, or, one or more FPGAs, etc., or a combination of at least two of these integrated circuit forms.

[0309] A storage element may be a memory or a collective term for multiple storage elements.

[0310] For example, the present application also provides a chip system, which can be applied to the above network device or terminal device. The chip system includes one or more interface circuits and one or more processors; the interface circuit and the processor are interconnected by lines; the processor receives and executes computer instructions from the memory of the electronic device through the interface circuit to implement the method executed by the corresponding network device or terminal device in the above method embodiment.

[0311] Through the description of the above implementation methods, technical personnel in the relevant field can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above.

[0312] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the modules or units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0313] The units described as separate components may or may not be physically separated, and the components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place or distributed in multiple different places. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0314] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0315] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, such as a program. The software product is stored in a program product, such as a computer-readable storage medium, including a number of instructions to enable a device (which can be a single-chip microcomputer, chip, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as USB flash drives, mobile hard drives, ROM, RAM, magnetic disks, or optical disks.

[0316] For example, an embodiment of the present application may also provide a computer-readable storage medium, which stores computer instructions; when the computer instructions are executed in a network device, or in a chip built into the network device, the network device may execute the method executed by the network device as described in the aforementioned embodiment.

[0317] Alternatively, when the computer instructions are executed in the terminal device or in a chip built into the terminal device, the terminal device executes the method executed by the terminal device as described in the above embodiment.

[0318] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A communication method, characterized in that: Applied to a network device, the method comprises: Configure a sounding reference signal SRS resource for the terminal device, the number of ports corresponding to the antenna transmission capability of the terminal device, where the antenna transmission capability of the terminal device is used to indicate the maximum number of antennas that the terminal device can use to simultaneously transmit signals; receiving an SRS from a terminal device, the terminal device comprising at least two sub-receivers, the SRS being sent by the terminal device through antennas of different sub-receivers respectively according to the SRS resources; The sub-receiver corresponding to the port corresponding to the SRS is determined according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

2. The method according to claim 1, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, where N, M, and K are positive integers respectively; The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS comprises: When K is less than M+N, it is determined that the ports corresponding to the SRSs received respectively in the first a times correspond to the first sub-receiver, and the ports corresponding to the SRSs received in the next b times correspond to the second sub-receiver, wherein N is S times of K, M is L times of K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, when L is a non-integer, b is the value of L rounded up.

3. The method according to claim 2, characterized in that The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS further includes: When K=M+N, the sub-receiver corresponding to the port corresponding to the SRS is determined according to the port index, comb teeth, or cyclic shift corresponding to the SRS and the corresponding relationship between the preset port index, comb teeth, or cyclic shift and the sub-receiver.

4. The method according to claim 2, characterized in that: The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS further includes: When K=M+N, and K ports of SRS resources are sent in X adjacent OFDM symbols, the sub-receivers corresponding to the ports corresponding to each OFDM symbol of SRS are determined according to the preset correspondence between OFDM symbols and sub-receivers.

5. The method according to any one of claims 2 to 4, characterized in that: The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS further includes: When M=N=K+1, it is determined that the port corresponding to the SRS received for the first time corresponds to the first sub-receiver, and the port corresponding to the SRS received for the third time corresponds to the second sub-receiver, and according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, the sub-receiver corresponding to the port corresponding to the SRS received for the second time is determined according to the port index or cyclic shift corresponding to the SRS received for the second time.

6. The method according to claim 1, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are positive integers respectively, N is S times K, and M is L times K; The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS comprises: When K is less than M+N, and S and L are both integers, S=L+1, it is determined that the port corresponding to the SRS corresponding to the odd number of times the SRS is received a times corresponds to the first sub-receiver, and the port corresponding to the SRS corresponding to the even number of times a times corresponds to the second sub-receiver, where a=S+L.

7. The method according to claim 1, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS comprises: When K=N and H=M, it is determined that the K ports of the SRS received for the first time correspond to the first sub-receiver, and the H ports of the SRS received for the second time correspond to the second sub-receiver.

8. The method according to claim 7, characterized in that The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS further includes: When K+H=N=M, it is determined that the K ports of the SRS received for the first time and the H ports of the SRS received for the second time correspond to the first sub-receiver, and it is determined that the K ports of the SRS received for the third time and the H ports of the SRS received for the fourth time correspond to the second sub-receiver.

9. The method according to claim 7 or 8, characterized in that: The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS further includes: When K-1=N=M=H+1, according to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, based on the port index or cyclic shift corresponding to the received SRS, it is determined that K-1 ports among the received SRS including K ports correspond to the first sub-receiver, it is determined that H ports among the received SRS including H ports, and 1 port among the received SRS including K ports that does not correspond to the first sub-receiver respectively correspond to the second sub-receiver.

10. The method according to claim 7 or 8, characterized in that: The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS further includes: When K-1=N=M=H+1, and the value of N is an odd number, according to the preset port index, or the correspondence between the cyclic shift and the sub-receivers, it is determined that K / 2 of the ports of the received SRS including K ports correspond to the first sub-receiver, and another K / 2 correspond to the second sub-receiver, and it is determined that H / 2 of the ports of the received SRS including H ports correspond to the first sub-receiver, and another H / 2 correspond to the second sub-receiver.

11. The method according to claim 1, characterized in that: The at least two sub-receivers each have a limited transmission capability, the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, the number of ports of SRS resources applied by the second sub-receiver is B, N, M, A, and B are positive integers, N=M, A=B, N is S times A, and S is an integer; The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS comprises: According to the preset port index, or the corresponding relationship between the cyclic shift and the sub-receiver, among the ports corresponding to the SRS received each time, the A ports corresponding to the first sub-receiver and the B ports corresponding to the second sub-receiver are determined.

12. The method according to claim 1, characterized in that The at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, and the second sub-receiver includes M antennas. The SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, and the number of ports of the second SRS resource is 2B. The first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers, and N=M=A+B; The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS comprises: According to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, the A ports corresponding to the first sub-receiver and the other A ports corresponding to the second sub-receiver among the 2A ports of the SRS received for the first time are determined, and the B ports corresponding to the first sub-receiver and the other B ports corresponding to the second sub-receiver among the 2B ports of the SRS received for the second time are determined.

13. The method according to claim 1, characterized in that The at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of the SRS resource configured for the terminal device is 2A, and the first sub-receiver and the second sub-receiver use A ports of the SRS resource respectively, wherein N, M, and A are positive integers, N is greater than M, and N is S times A, M is L times A, and S and L are both integers; The determining, according to the number of ports of the SRS resource configured for the terminal device and the number of antennas of each of the sub-receivers of the terminal device, the sub-receiver corresponding to the port corresponding to the SRS comprises: According to the preset port index, or the correspondence between the cyclic shift and the sub-receiver, the A ports corresponding to the first sub-receiver and the other A ports corresponding to the second sub-receiver among the 2A ports of the SRS received each time in the first L times are determined respectively, and the A ports of the SRS received each time in the next SL times correspond to the first sub-receiver.

14. The method according to any one of claims 11 to 13, characterized in that: The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

15. The method according to any one of claims 11 to 13, characterized in that: The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

16. The method according to claim 1, characterized in that The antenna sets included in each of the sub-receivers correspond to a codeword respectively.

17. The method according to claim 1, characterized in that The antenna sets included in each of the sub-receivers correspond to a code division multiplexing group respectively.

18. A communication method, characterized in that: Applied to a terminal device, the method comprises: Receiving a sounding reference signal SRS resource configured by a network device to a terminal device, the number of ports of the SRS resource corresponds to the antenna transmission capability of the terminal device, the antenna transmission capability is used to indicate the maximum number of antennas that the terminal device can simultaneously send signals, and the terminal device includes at least two sub-receivers; An SRS is sent to a network device, wherein the SRS is sent by the terminal device through different antennas of the sub-receivers according to the SRS resources configured by the network device for the terminal device and the number of antennas of each sub-receiver of the terminal device, so that the network device can determine the sub-receiver corresponding to the port corresponding to the SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

19. The method according to claim 18, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, where N, M, and K are positive integers respectively; When K is less than M+N, sending the SRS to the network device includes: Sending an SRS to the network device a times through the antenna of the first sub-receiver, where the antenna corresponding to each sent SRS is different; Sending the SRS to the network device b times through the antenna of the second sub-receiver, where the antenna corresponding to each sent SRS is different; Among them, N is S times K, M is L times K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, when L is a non-integer, b is the value of L rounded up.

20. The method according to claim 19, characterized in that When K=M+N, the sending of the SRS to the network device includes: An SRS is sent to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the port indexes, comb teeth, or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

21. The method according to claim 19, characterized in that When K=M+N, the sending of the SRS to the network device includes: An SRS is sent to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the K ports of the SRS resource are sent in adjacent X orthogonal frequency division multiplexing OFDM symbols, and different OFDM symbols are sent through corresponding sub-receivers according to a preset correspondence between OFDM symbols and sub-receivers, and different OFDM symbols correspond to different ports.

22. The method according to any one of claims 19 to 21, characterized in that: When M=N=K+1, the sending of the SRS to the network device includes: Sending an SRS to the network device through K antennas of the first sub-receiver; Sending an SRS to the network device through another antenna other than the K antennas of the first sub-receiver and the first antenna of the second sub-receiver; Sending an SRS to the network device through all antennas of the second sub-receiver except the first antenna; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

23. The method according to claim 18, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are positive integers respectively, N is S times K, and M is L times K; When K is less than M+N, and S and L are both integers, S=L+1, sending the SRS to the network device includes: An SRS is sent to the network device a times through the antennas of the first sub-receiver and the second sub-receiver respectively, wherein the SRS corresponding to the odd-numbered times among the a times is sent through the antenna of the first sub-receiver, and the SRS corresponding to the even-numbered times among the a times is sent through the antenna of the second sub-receiver, and the antenna corresponding to the SRS sent each time is different, a=S+L.

24. The method according to claim 18, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; When K=N and H=M, the sending of the SRS to the network device includes: Sending an SRS to the network device through all antennas of the first sub-receiver; The SRS is sent to the network device through all antennas of the second sub-receiver.

25. The method according to claim 24, characterized in that When K+H=N=M, sending the SRS to the network device includes: Sending an SRS to the network device through K antennas of the first sub-receiver; Sending an SRS to the network device through H antennas outside the K antennas of the first sub-receiver; Sending an SRS to the network device through K antennas of the second sub-receiver; The SRS is sent to the network device through H antennas outside the K antennas of the second sub-receiver.

26. The method according to claim 24 or 25, characterized in that When K-1=N=M=H+1, the sending of the SRS to the network device includes: Sending an SRS to the network device through all antennas of the first sub-receiver and the first antenna of the second sub-receiver; Sending an SRS to the network device through all antennas except the first antenna of the second sub-receiver; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

27. The method according to claim 24 or 25, characterized in that When K-1=N=M=H+1, and the value of N is an odd number, sending the SRS to the network device includes: Sending an SRS to the network device through K / 2 antennas of the first sub-receiver and k / 2 antennas of the second sub-receiver; Sending the SRS to the network device through another H / 2 antennas of the first sub-receiver and another H / 2 antennas of the second sub-receiver; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

28. The method according to claim 18, characterized in that The at least two sub-receivers respectively have limited antenna transmission capabilities, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, and the number of ports of SRS resources applied by the second sub-receiver is B, wherein N, M, A, and B are positive integers respectively, and N=M, A=B, N is S times A, and S is an integer; The sending of the SRS to the network device includes: S SRSs are sent to the network device through the A antenna of the first sub-receiver and the B antenna of the second sub-receiver respectively, and the antennas corresponding to the SRSs sent each time are different, wherein the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRSs are different.

29. The method according to claim 18, characterized in that The at least two sub-receivers respectively have limited antenna transmission capabilities, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers, and N=M=A+B; The sending of the SRS to the network device includes: Sending an SRS to the network device through the A antennas of the first sub-receiver and the A antennas of the second sub-receiver; Sending an SRS to the network device through another B antennas other than the A antenna of the first sub-receiver and another B antennas other than the A antenna of the second sub-receiver; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

30. The method according to claim 18, characterized in that The at least two sub-receivers respectively have limited antenna transmission capabilities, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources configured for the terminal device is 2A, the first sub-receiver and the second sub-receiver respectively use A ports of the SRS resources, wherein N, M, and A are respectively positive integers, N is greater than M, and N is S times A, M is L times A, and S and L are both integers; The sending of the SRS to the network device includes: Sending L SRSs to the network device through A antennas of the first sub-receiver and A antennas of the second sub-receiver; Sending the SL-second SRS to the network device through the A-th antenna of the first sub-receiver; The antennas corresponding to the SRS sent each time are all different, and the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different.

31. The method according to any one of claims 28 to 30, characterized in that: The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

32. The method according to any one of claims 28 to 30, characterized in that: The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

33. The method according to claim 18, characterized in that The antenna set included in the sub-receiver corresponds to a codeword.

34. The method according to claim 18, characterized in that The antenna set included in the sub-receiver corresponds to a code division multiplexing group.

35. A communication device, characterized in that: The device comprises: A sending module, used to configure a sounding reference signal SRS resource for a terminal device, the number of ports of which corresponds to the antenna transmission capability of the terminal device, where the antenna transmission capability of the terminal device is used to indicate the maximum number of antennas that the terminal device can use to simultaneously transmit signals; A receiving module, configured to receive an SRS from a terminal device, wherein the terminal device includes at least two sub-receivers, and the SRS is sent by the terminal device through antennas of different sub-receivers according to the SRS resources; The processing module is used to determine the sub-receiver corresponding to the port corresponding to the SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

36. The device according to claim 35, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, where N, M, and K are positive integers respectively; The processing module is specifically used to determine, when K is less than M+N, that the ports corresponding to the SRSs received a times previously correspond to the first sub-receiver, and the ports corresponding to the SRSs received b times later correspond to the second sub-receiver, wherein N is S times of K, M is L times of K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, when L is a non-integer, b is the value of L rounded up.

37. The device according to claim 36, characterized in that The processing module is specifically used to determine the sub-receiver corresponding to the port corresponding to the SRS according to the port index, comb tooth, or cyclic shift corresponding to the SRS and the corresponding relationship between the preset port index, comb tooth, or cyclic shift and the sub-receiver when K=M+N.

38. The method according to claim 36, characterized in that The processing module is specifically used to determine the sub-receivers corresponding to the ports corresponding to each OFDM symbol of the SRS according to the preset correspondence between OFDM symbols and sub-receivers when K=M+N and the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols.

39. The device according to any one of claims 36 to 38, characterized in that The processing module is specifically used to determine, when M=N=K+1, that the port corresponding to the SRS received for the first time corresponds to the first sub-receiver, and that the port corresponding to the SRS received for the third time corresponds to the second sub-receiver, and according to a preset port index, or the correspondence between cyclic shift and sub-receivers, determine the sub-receiver corresponding to the port corresponding to the SRS received for the second time according to the port index or cyclic shift corresponding to the SRS received for the second time.

40. The device according to claim 35, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are positive integers respectively, N is S times K, and M is L times K; The processing module is specifically used to determine that when K is less than M+N, and S and L are both integers, S=L+1, the port corresponding to the SRS corresponding to the odd number of times the SRS is received a times corresponds to the first sub-receiver, and the port corresponding to the SRS corresponding to the even number of times a times corresponds to the second sub-receiver, wherein a=S+L.

41. The device according to claim 35, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; The processing module is specifically used to determine that, when K=N and H=M, the K ports of the SRS received for the first time correspond to the first sub-receiver, and the H ports of the SRS received for the second time correspond to the second sub-receiver.

42. The device according to claim 41, characterized in that The processing module is specifically used to determine that the K ports of the SRS received for the first time and the H ports of the SRS received for the second time correspond to the first sub-receiver when K+H=N=M, and determine that the K ports of the SRS received for the third time and the H ports of the SRS received for the fourth time correspond to the second sub-receiver.

43. The device according to claim 41 or 42, characterized in that The processing module is specifically used to determine, when K-1=N=M=H+1, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, and according to the port index or cyclic shift corresponding to the received SRS, that K-1 ports among the ports of the received SRS including K ports correspond to the first sub-receiver, determine that H ports among the ports of the received SRS including H ports, and one port among the ports of the SRS including K ports that does not correspond to the first sub-receiver respectively correspond to the second sub-receiver.

44. The device according to claim 41 or 42, characterized in that The processing module is specifically used to determine, when K-1=N=M=H+1 and the value of N is an odd number, that K / 2 of the ports of the received SRS including K ports correspond to the first sub-receiver and another K / 2 correspond to the second sub-receiver, and determine that H / 2 of the ports of the received SRS including H ports correspond to the first sub-receiver and another H / 2 correspond to the second sub-receiver according to a preset port index or a correspondence between cyclic shifts and sub-receivers.

45. The device according to claim 35, characterized in that The at least two sub-receivers each have a limited transmission capability, the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, the number of ports of SRS resources applied by the second sub-receiver is B, N, M, A, and B are positive integers, N=M, A=B, N is S times A, and S is an integer; The processing module is specifically used to determine A ports corresponding to the first sub-receiver and B ports corresponding to the second sub-receiver among the ports corresponding to the SRS received each time according to the preset port index or the corresponding relationship between the cyclic shift and the sub-receiver.

46. ​​The device according to claim 35, characterized in that The at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, and the second sub-receiver includes M antennas. The SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, and the number of ports of the second SRS resource is 2B. The first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers, and N=M=A+B; The processing module is specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, A ports corresponding to the first sub-receiver and another A ports corresponding to the second sub-receiver among the 2A ports of the SRS received for the first time, and B ports corresponding to the first sub-receiver and another B ports corresponding to the second sub-receiver among the 2B ports of the SRS received for the second time.

47. The device according to claim 35, characterized in that The at least two sub-receivers each have a limited transmission capability, and the transmission capability of the sub-receiver is used to indicate the maximum number of antennas that the sub-receiver can use to simultaneously transmit signals. The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of the SRS resource configured for the terminal device is 2A, and the first sub-receiver and the second sub-receiver use A ports of the SRS resource respectively, wherein N, M, and A are positive integers, N is greater than M, and N is S times A, M is L times A, and S and L are both integers; The processing module is specifically used to determine, according to a preset port index, or a correspondence between a cyclic shift and a sub-receiver, the A ports corresponding to the first sub-receiver and the other A ports corresponding to the second sub-receiver among the 2A ports of the SRS received each time in the first L times, and the A ports of the SRS received each time in the next SL times correspond to the first sub-receiver.

48. The device according to any one of claims 45 to 47, characterized in that The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

49. The device according to any one of claims 45 to 47, characterized in that The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

50. The device according to claim 35, characterized in that The antenna set included in the sub-receiver corresponds to a codeword.

51. The device according to claim 35, characterized in that The antenna set included in the sub-receiver corresponds to a code division multiplexing group.

52. A communication device, characterized in that: Applied to a terminal device, the device comprises: A receiving module, configured to receive a sounding reference signal SRS resource configured by a network device to a terminal device, wherein the number of ports of the SRS resource corresponds to the antenna transmission capability of the terminal device, and the antenna transmission capability is used to indicate the maximum number of antennas that can simultaneously transmit signals of the terminal device, and the terminal device includes at least two sub-receivers; A sending module is used to send an SRS to a network device, wherein the SRS is sent by the terminal device through different antennas of the sub-receivers according to the SRS resources configured by the network device for the terminal device and the number of antennas of each sub-receiver of the terminal device, so that the network device can determine the sub-receiver corresponding to the port corresponding to the SRS according to the number of ports of the SRS resources configured for the terminal device and the number of antennas of each sub-receiver of the terminal device.

53. The device according to claim 52, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, where N, M, and K are positive integers respectively; When K is less than M+N, the sending module is specifically configured to send an SRS a times to the network device through the antenna of the first sub-receiver, and the antenna corresponding to each sent SRS is different; and send an SRS b times to the network device through the antenna of the second sub-receiver, and the antenna corresponding to each sent SRS is different; Among them, N is S times K, M is L times K, when S is an integer, a=S, when S is a non-integer, a is the value of S rounded up, when L is an integer, b=L, when L is a non-integer, b is the value of L rounded up.

54. The device according to claim 53, characterized in that When K=M+N, the sending module is specifically used to send SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the port index, comb teeth, or cyclic shift of the channel of each antenna corresponding to the SRS is different.

55. The device according to claim 53, characterized in that When K=M+N, the sending module is specifically used to send the SRS to the network device through all antennas of the first sub-receiver and the second sub-receiver, wherein the K ports of the SRS resources are sent in X adjacent orthogonal frequency division multiplexing OFDM symbols, and different OFDM symbols are sent through corresponding sub-receivers according to a preset correspondence between OFDM symbols and sub-receivers, and different OFDM symbols correspond to different ports.

56. The device according to any one of claims 53 to 55, characterized in that When M=N=K+1, the sending module is specifically configured to send the SRS to the network device through the K antennas of the first sub-receiver; and send the SRS to the network device through another antenna other than the K antennas of the first sub-receiver and the first antenna of the second sub-receiver; Sending an SRS to the network device through all antennas of the second sub-receiver except the first antenna; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

57. The device according to claim 52, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, and the number of ports of SRS resources configured for the terminal device is K, wherein N, M, and K are positive integers respectively, N is S times K, and M is L times K; When K is less than M+N, and S and L are both integers, S=L+1, the sending module is specifically used to send a SRS to the network device through the antennas of the first sub-receiver and the second sub-receiver respectively, wherein the SRS corresponding to the odd-numbered times in the a times is sent through the antenna of the first sub-receiver, and the SRS corresponding to the even-numbered times in the a times is sent through the antenna of the second sub-receiver, and the antenna corresponding to the SRS sent each time is different, a=S+L.

58. The device according to claim 52, characterized in that The terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, the number of ports of the first SRS resource is K, the number of ports of the second SRS resource is H, wherein N, M, K, and H are positive integers respectively, and the values ​​of K and H are different; When K=N and H=M, the sending module is specifically configured to send the SRS to the network device through all antennas of the first sub-receiver; and send the SRS to the network device through all antennas of the second sub-receiver.

59. The device according to claim 58, characterized in that When K+H=N=M, the sending module is specifically used to send SRS to the network device through the K antennas of the first sub-receiver; send SRS to the network device through H antennas outside the K antennas of the first sub-receiver; send SRS to the network device through the K antennas of the second sub-receiver; send SRS to the network device through H antennas outside the K antennas of the second sub-receiver.

60. The device according to claim 58 or 59, characterized in that When K-1=N=M=H+1, the sending module is specifically configured to send the SRS to the network device through all antennas of the first sub-receiver and the first antenna of the second sub-receiver; Sending an SRS to the network device through all antennas except the first antenna of the second sub-receiver; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

61. The device according to claim 58 or 59, characterized in that When K-1=N=M=H+1, and the value of N is an odd number, the sending module is specifically configured to send the SRS to the network device through K / 2 antennas of the first sub-receiver and k / 2 antennas of the second sub-receiver; and send the SRS to the network device through another H / 2 antennas of the first sub-receiver and another H / 2 antennas of the second sub-receiver; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

62. The device according to claim 52, characterized in that The at least two sub-receivers respectively have limited antenna transmission capabilities, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources applied by the first sub-receiver is A, and the number of ports of SRS resources applied by the second sub-receiver is B, wherein N, M, A, and B are positive integers respectively, and N=M, A=B, N is S times A, and S is an integer; The sending module is specifically used to send S SRS to the network device through the A antenna of the first sub-receiver and the B antenna of the second sub-receiver, and the antennas corresponding to the SRS sent each time are different, wherein the port index or cyclic shift of the channel of each antenna corresponding to the SRS is different.

63. The device according to claim 52, characterized in that The at least two sub-receivers respectively have limited antenna transmission capabilities, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the SRS resources configured for the terminal device include a first SRS resource and a second SRS resource, and the number of ports of the first SRS resource is 2A, the number of ports of the second SRS resource is 2B, the first sub-receiver and the second sub-receiver respectively apply A ports of the first SRS resource, and the first sub-receiver and the second sub-receiver respectively apply B ports of the second SRS resource, wherein N, M, A, and B are positive integers, and N=M=A+B; The sending module is specifically configured to send the SRS to the network device through the A antenna of the first sub-receiver and the A antenna of the second sub-receiver; and send the SRS to the network device through another B antenna outside the A antenna of the first sub-receiver and another B antenna outside the A antenna of the second sub-receiver; The port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different from each other.

64. The device according to claim 52, characterized in that The at least two sub-receivers respectively have limited antenna transmission capabilities, the terminal device includes a first sub-receiver and a second sub-receiver, the first sub-receiver includes N antennas, the second sub-receiver includes M antennas, the number of ports of SRS resources configured for the terminal device is 2A, the first sub-receiver and the second sub-receiver respectively use A ports of the SRS resources, wherein N, M, and A are respectively positive integers, N is greater than M, and N is S times A, M is L times A, and S and L are both integers; The sending module is specifically configured to send L times SRS to the network device through the A antenna of the first sub-receiver and the A antenna of the second sub-receiver; and send SL times SRS to the network device through the A antenna of the first sub-receiver; The antennas corresponding to the SRS sent each time are all different, and the port indexes or cyclic shifts of the channels of the antennas corresponding to the SRS are different.

65. The device according to any one of claims 62 to 64, characterized in that The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively predetermined according to antenna polarization and / or routing conditions.

66. The device according to any one of claims 62 to 64, characterized in that The antenna included in the first sub-receiver and the antenna included in the second sub-receiver are respectively determined by the terminal device according to the channel state information reference signal, or are respectively determined by the network device according to the SRS.

67. The device according to claim 52, characterized in that The antenna set included in the sub-receiver corresponds to a codeword.

68. The device according to claim 52, characterized in that The antenna set included in the sub-receiver corresponds to a code division multiplexing group.

69. A computer-readable storage medium, characterized in that The computer-readable storage medium stores computer instructions, and when the computer instructions are executed in a network device or a chip built into the network device, the network device executes the method according to any one of claims 1 to 17.

70. A computer-readable storage medium, characterized in that The computer-readable storage medium stores computer instructions, and when the computer instructions are executed in a terminal device or a chip built into the terminal device, the terminal device executes the method described in any one of claims 18 to 34.

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