Beam configuration method, beam configuration apparatus and storage medium

1 . A method for beam configuration, performed by a user equipment (UE), comprising:

determining one or more transmission configuration indication (TCI) states of a control resource set (CORESET) based on downlink control information (DCI);

wherein one or more reference signal resources indicated by the one or more TCI states are associated with at least one of:

a serving cell of the UE; and

a non-serving cell of the UE,

wherein the CORESET comprises at least one of a CORESET with index 0 or a CORESET other than a CORESET with index 0,

for the CORESET being the CORESET with index 0, the one or more reference signal resources indicated by the one or more TCI states are associated with the serving cell of the UE, or the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of the serving cell of the UE and the non-serving cell of the UE;

for the CORESET being a CORESET other than the CORESET with index 0, the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of the serving cell of the UE and the non-serving cell of the UE.

2 . The method of claim 1 , wherein the UE is configured to perform transmission with a plurality of transmission and reception points (TRPs), the plurality of TRPs are TRPs of the serving cell of the UE, and the one or more reference signal resources indicated by the one or more TCI states are associated with one or more TRPs of the serving cell of the UE.

3 . The method of claim 1 , wherein determining the one or more TCI states of the CORESET based on the DCI comprises:

receiving the DCI from a network device, and determining the one or more TCI states based on the DCI.

4 . The method of claim 3 , wherein

a codepoint of the DCI corresponds to the one or more TCI states and the DCI is configured to determine a common beam of a common beam group comprising the CORESET.

5 . The method of claim 1 , wherein determining the one or more TCI states of the CORESET comprises:

selecting a target new beam reference signal resource from a new beam reference signal resource set; and

determining one or more TCI states corresponding to the target new beam reference signal resource as the one or more TCI states of the CORESET.

6 . The method of claim 5 , further comprising:

detecting that a beam failure has occurred at a first transmission and reception point (TRP),

detecting that a reference signal received power (RSRP) corresponding to a first reference signal resource in the new beam reference signal resource set corresponding to the first TRP is greater than a first threshold,

determining the first reference signal resource as the target new beam reference signal resource, and

reporting an identifier corresponding to the target new beam reference signal resource.

7 . The method of claim 6 , wherein,

the first reference signal resource is associated with the first TRP; or

the first reference signal resource is associated with a second TRP, wherein the second TRP and the first TRP are configured to perform transmission with the UE; or

the first reference signal resource is associated with a third TRP, wherein the third TRP is a TRP other than the first TRP and the second TRP that are configured to perform transmission with the UE.

8 . A user equipment (UE), comprising:

a processor; and

a memory for storing instructions executable by the processor;

wherein the processor is configured to: determine one or more transmission configuration indication (TCI) states of a control resource set (CORESET) based on downlink control information (DCI);

wherein one or more reference signal resources indicated by the one or more TCI states are associated with at least one of:

a serving cell of the UE; or and

a non-serving cell of the UE,

wherein the CORESET comprises at least one of a CORESET with index 0 or a CORESET other than a CORESET with index 0,

in a case that the CORESET is the CORESET with index 0, the one or more reference signal resources indicated by the one or more TCI states are associated with the serving cell of the UE, or the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of the serving cell of the UE and the non-serving cell of the UE;

in a case that the CORESET is a CORESET other than a CORESET with index 0, the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of the serving cell of the UE and the non-serving cell of the UE.

9 . The method of claim 1 , wherein the UE is configured to perform transmission with a plurality of transmission and reception points (TRPs), the plurality of TRPs comprise a TRP of the serving cell of the UE and TRPs of the non-serving cell of the UE, and the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of one or more TRPs of the serving cell of the UE or one or more TRPs of the non-serving cell of the UE.

10 . A non-transitory computer-readable storage medium, having instructions stored thereon, wherein when the instructions are executed by a processor of a user equipment (UE), the UE is caused to perform the beam configuration method of claim 1 .

11 . A method for beam configuration, performed by a network device, comprising:

configuring one or more transmission configuration indication (TCI) states of a control resource set (CORESET) for a user equipment (UE) based on downlink control information (DCI);

wherein one or more reference signal resources indicated by the one or more TCI states are associated with at least one of:

a serving cell of the UE; or

a non-serving cell of the UE,

wherein the CORESET comprises at least one of a CORESET with index 0 or a CORESET other than a CORESET with index 0,

for the CORESET being the CORESET with index 0, the one or more reference signal resources indicated by the one or more TCI states are associated with the serving cell of the UE, or the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of the serving cell of the UE and the non-serving cell of the UE;

for the CORESET being a CORESET other than a CORESET with index 0, the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of the serving cell of the UE and the non-serving cell of the UE.

12 . The method of claim 11 , wherein the UE is configured to perform transmission with a plurality of transmission and reception points (TRPs), the plurality of TRPs are TRPs of the serving cell of the UE, and the one or more reference signal resources indicated by the one or more TCI states are associated with one or more TRPs of the serving cell of the UE.

13 . The method of claim 11 , wherein configuring the one or more TCI states of the CORESET based on the DCI comprises:

sending the DCI, wherein the DCI is configured to determine the one or more TCI states.

14 . The method of claim 13 ,

wherein a codepoint of the DCI corresponds to the one or more TCI states, and the DCI is configured to determine a common beam of a common beam group comprising the CORESET.

15 . The method of claim 11 , wherein configuring the one or more TCI states of the CORESET for the UE comprises:

sending a new beam reference signal resource set;

wherein the new beam reference signal resource set is used by the UE to determine a target new beam reference signal resource, and the target new beam reference signal resource corresponds to the one or more TCI states of the CORESET.

16 . The method of claim 15 , further comprising:

receiving an identifier of the target new beam reference signal resource;

wherein the identifier of the target new beam reference signal resource is reported by the UE detecting that a beam failure has occurred at a first transmission and reception point (TRP), and detecting that a reference signal received power (RSRP) corresponding to a first reference signal resource in the new beam reference signal resource set corresponding to the first TRP is greater than a first threshold, wherein the first reference signal resource is the target new beam reference signal resource.

17 . The method of claim 16 , wherein

the first reference signal resource is associated with the first TRP; or

the first reference signal resource is associated with a second TRP, wherein the second TRP and the first TRP are configured to perform transmission with the UE; or

the first reference signal resource is associated with a third TRP, wherein the third TRP is a TRP other than the first TRP and the second TRP that are configured to perform transmission with the UE.

18 . A network device, comprising:

a processor; and

a memory for storing instructions executable by the processor;

wherein the processor is configured to perform the beam configuration method of claim 11 .

19 . A non-transitory computer-readable storage medium, having instructions stored thereon, wherein when the instructions are executed by a processor of a network device, the network device is caused to perform the beam configuration method of claim 11 .

20 . The method of claim 11 , wherein the UE is configured to perform transmission with a plurality of transmission and reception points (TRPs), the plurality of TRPs comprise TRPs of the serving cell of the UE and TRPs of the non-serving cell of the UE, and the one or more reference signal resources indicated by the one or more TCI states are associated with at least one of one or more TRPs of the serving cell of the UE or one or more TRPs of the non-serving cell of the UE.