SIGNAL TRANSMISSION METHOD, TERMINAL AND NETWORK DEVICE

Abstract

A signal transmission method, a terminal, and a network device are disclosed. The method includes: receiving, by the terminal, first information sent by the network device, where the first information is used to indicate that a first sounding reference signal (SRS) resource is used for multiple usages; and sending, by the terminal, an SRS corresponding to the first SRS resource to the network device according to the first information.

Description

Claims

1. A signal transmission method, performed by a terminal, comprising: receiving first information sent by a network device, wherein the first information is used to indicate that a first sounding reference signal (SRS) resource is used for multiple usages; andsending an SRS corresponding to the first SRS resource to the network device according to the first information.

2. (canceled)

3. The method according to claim 1, wherein the first SRS resource includes all or part of SRS resources in an SRS resource set configured with a first usage type; the first information is further used to indicate that all or part of the SRS resources in the SRS resource set configured with the first usage type are further used for a second usage.

4. The method according to claim 3, wherein the first SRS resource includes a specific SRS resource in the SRS resource set configured with the first usage type, and the first information is used to indicate that the specific SRS resource in the SRS resource set configured with the first usage type is further used for the second usage; or, wherein the first SRS resource includes all or part of SRS resources in the SRS resource set which is configured with the first usage type and a time-domain type of a specific type; the first information is used to indicate that all or part of the SRS resources in the SRS resource set which is configured with the first usage type and the time-domain type of the specific type, are further used for the second usage.

5. (canceled)

6. The method according to claim 4, wherein the first SRS resource includes a specific SRS resource in the SRS resource set which is configured with the first usage type and the time-domain type of the specific type; and the first information is used to indicate that the specific SRS resource in the SRS resource set which is configured with the first usage type and the time-domain type of the specific type, is further used for the second usage; or, wherein the specific SRS resource includes at least one of the following: an SRS resource indicated by the first information;first s SRS resources with smallest indexes in the SRS resource set configured with the first usage type, wherein s is a positive integer;first m SRS resources with earliest transmission moment in the SRS resource set configured with the first usage type, wherein m is a positive integer;an SRS resource in a specific SRS resource set in the SRS resource set configured with the first usage type;an SRS resource, which is configured in the SRS resource set configured with the first usage type and which is simultaneously configured in a second SRS resource set; wherein the second SRS resource set is an SRS resource set whose usage type is configured as a second usage type,first k SRS resources with smallest indexes in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein k is a positive integer;first n SRS resources with earliest transmission moment in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein n is a positive integer;an SRS resource in a specific SRS resource set in the SRS resource set configured with the first usage type and the time-domain type of the specific type; or,an SRS resource, which is configured in the SRS resource set configured with the first usage type and the time-domain type of the specific type and which is simultaneously configured in the second SRS resource set.

7. (canceled)

8. The method according to claim 6, wherein the specific SRS resource set is one of the following: an SRS resource set indicated by the first information;first k SRS resource sets with smallest indexes in the SRS resource set configured with the first usage type, wherein k is a positive integer;first n SRS resource sets with earliest transmission moment in the SRS resource set configured with the first usage type, wherein n is a positive integer;first t SRS resource sets with smallest indexes in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein t is a positive integer;first r SRS resource sets with earliest transmission moment in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein r is a positive integer.

9-10. (canceled)

11. The method according to claim 3, wherein the first SRS resource includes: an SRS resource which is simultaneously included in both the SRS resource set configured with the first usage type and the SRS resource set configured with the second usage type.

12. (canceled)

13. The method according to claim 3, wherein the first information is carried in an SRS resource set configuration signaling sent by the network device to the terminal; in case that the SRS resource set configuration signaling does not configure an SRS resource set whose usage type is the second usage type, the terminal determines that the SRS resource set configured with the first usage type is further used for the second usage; or,in case that the SRS resource set configuration signaling configures an SRS resource set whose usage type is the second usage type, and there presents an SRS resource which is simultaneously included in both the SRS resource set configured with the first usage type and the SRS resource set configured with the second usage type, the terminal determines that the SRS resource set configured with the first usage type is further used for the second usage, or the terminal determines that the SRS resource which is simultaneously included in both the SRS resource set configured with the first usage type and the SRS resource set configured with the second usage type, is further used for the second usage.

14. The method according to claim 3, wherein the sending an SRS corresponding to the first SRS resource to the network device according to the first information, includes: determining the first SRS resource according to the first information; in case that the second usage is downlink CSI acquisition, determining uplink filter of the SRS corresponding to the first SRS resource according to downlink filter of a specific signal; and sending the SRS corresponding to the first SRS resource to the network device, based on the uplink filter of the SRS corresponding to the first SRS resource; or, wherein the sending an SRS corresponding to the first SRS resource to the network device according to the first information, includes: determining the first SRS resource according to the first information;in case that the first SRS resource or the SRS resource set where the first SRS resource is included, is not configured with spatial relation information, sending the SRS corresponding to the first SRS resource set to the network device by using an uplink filter corresponding to spatial relation information indicated for SRS resources in an SRS resource set configured with one of the multiple usage types; or,in case that the first SRS resource or the SRS resource set where the first SRS resource is included, is not configured with a transmission configuration indicator (TCI) state, sending the SRS corresponding to the first SRS resource set to the network device by using an uplink filter corresponding to a TCI state indicated for an SRS resource or an SRS resource set configured with one of the multiple usage types; or,wherein the sending an SRS corresponding to the first SRS resource to the network device according to the first information, includes: determining the first SRS resource according to the first information; determining an uplink filter for SRS transmission corresponding to the first SRS resource, according to one or more of multiple downlink filters for reception of physical downlink shared channel (PDSCH), and sending the SRS corresponding to the first SRS resource according to the uplink filters; or,wherein after the sending an SRS corresponding to the first SRS resource to the network device according to the first information, the method further includes: determining, according to the uplink filter for SRS transmission corresponding to the first SRS resource, downlink filter for reception of PDSCH sent by the network device; or,wherein when transmitting the SRS corresponding to the SRS resource set where the first SRS resource is included, to the network device, SRSs corresponding to any two SRS resources in the SRS resource set where the first SRS resource is included, are transmitted at different moments; and no uplink transmission is performed between any two SRS resources which are configured in a same slot and which are in the SRS resource set where the first SRS resource is included.

15-17. (canceled)

18. A signal transmission method, performed by a network device, comprising: sending first information to a terminal, wherein the first information is used to indicate that a first sounding reference signal (SRS) resource is used for multiple usages;receiving an SRS corresponding to the first SRS resource, which is sent by the terminal to the network device according to the first information.

19. (canceled)

20. The method according to claim 18, wherein the first SRS resource includes all or part of SRS resources in an SRS resource set configured with a first usage type; the first information is further used to indicate that all or part of the SRS resources in the SRS resource set configured with the first usage type are further used for a second usage.

21. The method according to claim 20, wherein the first SRS resource includes a specific SRS resource in the SRS resource set configured with the first usage type, and the first information is used to indicate that the specific SRS resource in the SRS resource set configured with the first usage type is further used for the second usage; or, wherein the first SRS resource includes all or part of SRS resources in the SRS resource set configured with the first usage type and the time-domain type of the specific type; and the first information is used to indicate that all or part of the SRS resources in the SRS resource set configured with the first usage type and the time-domain type of the specific type, are further used for the second usage; or,wherein the first SRS resource includes a specific SRS resource in the SRS resource set configured with the first usage type and the time-domain type of the specific type, and the first information is used to indicate that the specific SRS resource in the SRS resource set configured with the first usage type and the time-domain type of the specific type, is further used for the second usage.

22-23. (canceled)

24. The method according to claim 21, wherein the specific SRS resource includes at least one of the following: an SRS resource indicated by the first information;first s SRS resources with smallest indexes in the SRS resource set configured with the first usage type, wherein s is a positive integer;first m SRS resources with earliest transmission moment in the SRS resource set configured with the first usage type, wherein m is a positive integer;an SRS resource in a specific SRS resource set in the SRS resource set configured with the first usage type;an SRS resource, which is configured in the SRS resource set configured with the first usage type and which is simultaneously configured in a second SRS resource set; wherein the second SRS resource set is an SRS resource set whose usage type is configured as a second usage type,first k SRS resources with smallest indexes in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein k is a positive integer;first n SRS resources with earliest transmission moment in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein n is a positive integer;an SRS resource in a specific SRS resource set in the SRS resource set configured with the first usage type and the time-domain type of the specific type; or,an SRS resource, which is configured in the SRS resource set configured with the first usage type and the time-domain type of the specific type and which is simultaneously configured in the second SRS resource set.

25. The method according to claim 24, wherein the specific SRS resource set is one of the following: an SRS resource set indicated by the first information;first k SRS resource sets with smallest indexes in the SRS resource set configured with the first usage type, wherein k is a positive integer;first n SRS resource sets with earliest transmission moment in the SRS resource set configured with the first usage type, wherein n is a positive integer;first t SRS resource sets with smallest indexes in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein t is a positive integer;first r SRS resource sets with earliest transmission moment in the SRS resource set configured with the first usage type and the time-domain type of the specific type, wherein r is a positive integer.

26. (canceled)

27. The method according to claim 20, wherein the first SRS resource includes: an SRS resource which is simultaneously included in both the SRS resource set configured with the first usage type and the SRS resource set configured with the second usage type; or, wherein the first information is carried in a first signaling or the first information is carried in an SRS resource set configuration signaling sent by the network device to the terminal;the first signaling includes at least one of the following: radio resource control (RRC) signaling;medium access control-control element (MAC-CE) signaling;downlink control information (DCI) signaling; or,SRS trigger signaling; or,wherein the first information is carried in an SRS resource set configuration signaling sent by the network device to the terminal;in case that the SRS resource set configuration signaling does not configure an SRS resource set whose usage type is the second usage type, it indicates that the SRS resource set configured with the first usage type is further used for the second usage; or,in case that the SRS resource set configuration signaling configures an SRS resource set whose usage type is the second usage type, and there presents an SRS resource which is simultaneously included in both the SRS resource set configured with the first usage type and the SRS resource set configured with the second usage type, it indicates that the SRS resource set configured with the first usage type is further used for the second usage, or that the SRS resource which is simultaneously included in both the SRS resource set configured with the first usage type and the SRS resource set configured with the second usage type, is further used for the second usage.

28-31. (canceled)

32. A terminal, comprising: a memory, a transceiver and a processor; wherein the memory is configured to store a computer program; the transceiver is configured to send and receive data under control of the processor; the processor is configured to read the computer program in the memory and perform the following operations:receiving first information sent by a network device, wherein the first information is used to indicate that a first sounding reference signal (SRS) resource is used for multiple usages; andsending an SRS corresponding to the first SRS resource to the network device according to the first information.

33. The terminal according to claim 32, wherein the first SRS resource includes all or part of SRS resources in an SRS resource set configured with a first usage type; the first information is further used to indicate that all or part of the SRS resources in the SRS resource set configured with the first usage type are further used for a second usage.

34. The terminal according to claim 33, wherein the first SRS resource includes a specific SRS resource in the SRS resource set configured with the first usage type, and the first information is used to indicate that the specific SRS resource in the SRS resource set configured with the first usage type is further used for the second usage.

35. A network device for performing the method according to claim 18, comprising: a memory, a transceiver and a processor; wherein the memory is configured to store a computer program; the transceiver is configured to send and receive data under control of the processor; the processor is configured to read the computer program in the memory and perform the following operations:sending first information to a terminal, wherein the first information is used to indicate that a first sounding reference signal (SRS) resource is used for multiple usages;receiving an SRS corresponding to the first SRS resource, which is sent by the terminal to the network device according to the first information.

36. The terminal according to claim 35, wherein the first SRS resource includes all or part of SRS resources in an SRS resource set configured with a first usage type; the first information is further used to indicate that all or part of the SRS resources in the SRS resource set configured with the first usage type are further used for a second usage.

37. The terminal according to claim 36, wherein the first SRS resource includes a specific SRS resource in the SRS resource set configured with the first usage type, and the first information is used to indicate that the specific SRS resource in the SRS resource set configured with the first usage type is further used for the second usage.

38-40. (canceled)