Channel state information report configuration

1 . A user equipment (UE) for wireless communication, comprising:

one or more memories; and

one or more processors, coupled to the one or more memories, configured to:

receive a channel state information (CSI) configuration associated with a joint procedure of base station beam refinement and UE beam refinement, wherein the CSI configuration is associated with multiple reference signal resource sets that are each associated with a different base station beam of multiple base station beams, and wherein each reference signal resource set, of the multiple reference signal resource sets, includes multiple reference signal repetitions for a particular base station beam of the multiple base station beams, wherein the CSI configuration includes a first indication, within a repetition field associated with all reference signal resources in a first reference signal resource set, that all reference signal resources in the first reference signal resource set are associated with a first base station beam, and wherein the CSI configuration includes a second indication, within a repetition field associated with all reference signal resources in a second reference signal resource set, that all reference signal resources in the second reference signal resource set are associated with a second base station beam;

receive, for each reference signal resource set of the multiple reference signal resource sets, the multiple reference signal repetitions for the particular base station beam using different UE beams; and

determine preferred UE beams for pairing with each base station beam, of the multiple base station beams, based at least in part on receiving the multiple reference signal repetitions for each reference signal resource set of the multiple reference signal resource sets.

2 . The UE of claim 1 , wherein the one or more processors are further configured to:

perform the joint procedure of the base station beam refinement and the UE beam refinement based at least in part on reception of one or more reference signals associated with reference signal resources of the multiple reference signal resource sets.

3 . The UE of claim 1 , wherein the one or more processors are further configured to perform the joint procedure of the base station beam refinement and the UE beam refinement comprising:

receipt, using a first UE beam, of a first reference signal associated with a first reference signal resource of the first reference signal resource set, associated with the first base station beam;

receipt, using a second UE beam, of a second reference signal associated with a second reference signal resource of the first reference signal resource set, associated with the first base station beam;

receipt, using the first UE beam, of a third reference signal associated with a third reference signal resource of the second reference signal resource set, associated with the second base station beam; and

receipt, using the second UE beam, of a fourth reference signal associated with a fourth reference signal resource of the second reference signal resource set, associated with the second base station beam.

4 . The UE of claim 3 , wherein the one or more processors, to perform beam refinement, are further configured to:

determine to use the first UE beam or the second UE beam for subsequent communications using the first base station beam associated with the first reference signal resource set; or

determine to use the first UE beam or the second UE beam for subsequent communications using the second base station beam associated with the second reference signal resource set.

5 . The UE of claim 1 , wherein the CSI configuration indicates, via a first transmission configuration indicator (TCI) state identification, that the first reference signal resource set is associated with the first base station beam, and

wherein the CSI configuration indicates, via a second TCI state identification, that the second reference signal resource set is associated with the second base station beam.

6 . The UE of claim 1 , wherein the one or more processors, to perform base station refinement, are further configured to

determine one or more base station beams, paired with one or more UE beams, to recommend for subsequent communications; or

transmit a report that indicates the one or more base station beams to recommend for the subsequent communications.

7 . The UE of claim 6 , wherein the report indicates a base station beam, of the one or more base station beams, via one or more of:

an identification of a reference signal resource set associated with the base station beam, or

a resource identification of a reference signal resource of the reference signal resource set associated with the base station beam.

8 . The UE of claim 7 , wherein the resource identification comprises:

a resource identification as defined in radio resource control signaling, or

a resource identification as defined by a location index of a resource of an associated reference signal resource set.

9 . The UE of claim 8 , wherein the location index comprises one or more of:

an index associated with any location within the associated reference signal resource set, or

an index associated with a particular location within the associated reference signal resource set.

10 . The UE of claim 6 , wherein the report indicates one or more beam metrics associated with the one or more base station beams.

11 . The UE of claim 1 , wherein the CSI configuration indicates a configuration of a first set of channel measurement resources with repetitions to be used to receive, via multiple UE beams, a first set of reference signals transmitted via the first base station beam,

wherein the CSI configuration indicates a configuration of a first set of interference measurement resources with repetitions, paired with the first set of channel measurement resources, to be used to receive, via the multiple UE beams, the first set of reference signals transmitted via the first base station beam,

wherein the CSI configuration indicates a configuration of a second set of channel measurement resources with repetitions to be used to receive, via the multiple UE beams, a second set of reference signals transmitted via the second base station beam, and

wherein the CSI configuration indicates a configuration of a second set of interference measurement resources with repetitions, paired with the second set of channel measurement resources, to be used to receive, via the second base station beam using multiple UE beams, the second set of reference signals transmitted via the second base station beam.

12 . The UE of claim 11 , wherein the one or more processors, to perform beam refinement, are further configured to:

measure a layer 1 signal-to-interference-plus-noise ratio associated with pairs of channel measurement resources and interference measurement resources using multiple UE beams.

13 . A base station for wireless communication, comprising:

one or more memories; and

one or more processors, coupled to the one or more memories, configured to:

transmit a channel state information (CSI) configuration associated with a joint procedure of base station beam refinement and user equipment (UE) beam refinement, associated with a UE, wherein the CSI configuration is associated with multiple reference signal resource sets that are each associated with a different base station beam of multiple base station beams, and wherein each reference signal resource set, of the multiple reference signal resource sets, includes multiple reference signal repetitions for a particular base station beam of the multiple base station beams, wherein the CSI configuration includes a first indication, within a repetition field associated with all reference signal resources in a first reference signal resource set, that all reference signal resources in the first reference signal resource set are associated with a first base station beam, and wherein the CSI configuration includes a second indication, within a repetition field associated with all reference signal resources in a second reference signal resource set, that all reference signal resources in the second reference signal resource set are associated with a second base station beam; and

transmit, for each reference signal resource set of the multiple reference signal resource sets, the multiple reference signal repetitions for the particular base station beam, wherein the multiple reference signal repetitions for the particular base station beam are configured to be received using different beams to determine preferred UE beams for pairing with each base station beam of the multiple base station beams.

14 . The base station of claim 13 , wherein the one or more processors are further configured to:

receive a report, based at least in part on the CSI configuration, that indicates one or more base station beams recommended for subsequent communications with the UE.

15 . The base station of claim 13 , wherein the base station beam refinement comprises:

a determination of one or more base station beams, paired with one or more UE beams, to recommend for subsequent communications.

16 . The base station of claim 13 , wherein the CSI configuration indicates, via a first transmission configuration indicator (TCI) state identification, that the first reference signal resource set is associated with the first base station beam, and

wherein the CSI configuration indicates, via a second TCI state identification, that the second reference signal resource set is associated with the second base station beam.

17 . The base station of claim 13 , wherein a report, that is based at least in part on the CSI configuration and indicates one or more base station beams recommended for subsequent communications with the UE indicates a base station beam, of the one or more base station beams, via one or more of:

an identification of a reference signal resource set associated with the base station beam, or

a resource identification of a reference signal resource of the reference signal resource set associated with the base station beam.

18 . The base station of claim 17 , wherein the resource identification comprises:

a resource identification as defined in radio resource control signaling, or

a resource identification as defined by a location index of a resource of an associated reference signal resource set.

19 . The base station of claim 18 , wherein the location index comprises one or more of:

an index associated with any location within the associated reference signal resource set, or

an index associated with a particular location within the associated reference signal resource set.

20 . The base station of claim 13 , wherein the CSI configuration indicates a configuration of a first set of channel measurement resources with repetitions to be used to receive, via multiple UE beams, a first set of reference signals transmitted via the first base station beam,

wherein the CSI configuration indicates a configuration of a first set of interference measurement resources with repetitions, paired with the first set of channel measurement resources, to be used to receive, via the multiple UE beams, the first set of reference signals transmitted via the first base station beam,

wherein the CSI configuration indicates a configuration of a second set of channel measurement resources with repetitions to be used to receive, via the multiple UE beams, a second set of reference signals transmitted via the second base station beam, and

wherein the CSI configuration indicates a configuration of a second set of interference measurement resources with repetitions, paired with the second set of channel measurement resources, to be used to receive, via the second base station beam using multiple UE beams, the second set of reference signals transmitted via the second base station beam.

21 . A method of wireless communication performed by a user equipment (UE), comprising:

receiving a channel state information (CSI) configuration associated with a joint procedure of base station beam refinement and UE beam refinement, wherein the CSI configuration is associated with multiple reference signal resource sets that are each associated with a different base station beam of multiple base station beams, and wherein each reference signal resource set, of the multiple reference signal resource sets, includes multiple reference signal repetitions for a particular base station beam of the multiple base station beams, wherein the CSI configuration includes a first indication, within a repetition field associated with all reference signal resources in a first reference signal resource set, that all reference signal resources in the first reference signal resource set are associated with a first base station beam, and wherein the CSI configuration includes a second indication, within a repetition field associated with all reference signal resources in a second reference signal resource set, that all reference signal resources in the second reference signal resource set are associated with a second base station beam;

receiving, for each reference signal resource set of the multiple reference signal resource sets, the multiple reference signal repetitions for the particular base station beam using different UE beams; and

determining preferred UE beams for pairing with each base station beam, of the multiple base station beams, based at least in part on receiving the multiple reference signal repetitions for each reference signal resource set of the multiple reference signal resource sets.

22 . The method of claim 21 , wherein the CSI configuration indicates, via a first transmission configuration indicator (TCI) state identification, that the first reference signal resource set is associated with the first base station beam, and

wherein the CSI configuration indicates, via second TCI state identification, that the second reference signal resource set is associated with the second base station beam.

23 . The method of claim 21 , wherein performing the joint procedure of base station beam refinement and UE beam refinement comprises:

receiving, using a first UE beam, a first reference signal associated with a first reference signal resource of a first reference signal resource set, associated with the first base station beam;

receiving, using a second UE beam, a second reference signal associated with a second reference signal resource of the first reference signal resource set, associated with the first base station beam;

receiving, using the first UE beam, a third reference signal associated with a third reference signal resource of a second reference signal resource set, associated with the second base station beam; and

receiving, using the second UE beam, a fourth reference signal associated with a fourth reference signal resource of the second reference signal resource set, associated with the second base station beam.

24 . The method of claim 21 , wherein the CSI configuration indicates a configuration of a first set of channel measurement resources with repetitions to be used to receive, via multiple UE beams, a first set of reference signals transmitted via the first base station beam,

wherein the CSI configuration indicates a configuration of a first set of interference measurement resources with repetitions, paired with the first set of channel measurement resources, to be used to receive, via the multiple UE beams, the first set of reference signals transmitted via the first base station beam,

wherein the CSI configuration indicates a configuration of a second set of channel measurement resources with repetitions to be used to receive, via the multiple UE beams, a second set of reference signals transmitted via the second base station beam, and

wherein the CSI configuration indicates a configuration of a second set of interference measurement resources with repetitions, paired with the second set of channel measurement resources, to be used to receive, via the second base station beam using multiple UE beams, the second set of reference signals transmitted via the second base station beam.

25 . The method of claim 21 , further comprising:

performing the joint procedure of the base station beam refinement and the UE beam refinement based at least in part on reception of one or more reference signals associated with reference signal resources of the multiple reference signal resource sets.

26 . The method of claim 23 , wherein performing the joint procedure of base station beam refinement comprises:

determining to use the first UE beam or the second UE beam for subsequent communications using the first base station beam associated with the first reference signal resource set; or

determining to use the first UE beam or the second UE beam for subsequent communications using the second base station beam associated with the second reference signal resource set.

27 . The method of claim 21 , wherein the CSI configuration indicates, via a first transmission configuration indicator (TCI) state identification, that the first reference signal resource set is associated with the first base station beam, and

wherein the CSI configuration indicates, via a second TCI state identification, that the second reference signal resource set is associated with the second base station beam.

28 . The method of claim 23 , wherein performing the joint procedure of base station beam refinement comprises:

determining one or more base station beams, paired with one or more UE beams, to recommend for subsequent communications; or

transmitting a report that indicates the one or more base station beams to recommend for the subsequent communications.

29 . A method of wireless communication performed by a base station, comprising:

transmitting a channel state information (CSI) configuration associated with a joint procedure of base station beam refinement and user equipment (UE) beam refinement, associated with a UE, wherein the CSI configuration is associated with multiple reference signal resource sets that are each associated with a different base station beam of multiple base station beams, and wherein each reference signal resource set, of the multiple reference signal resource sets, includes multiple reference signal repetitions for a particular base station beam of the multiple base station beams, wherein the CSI configuration includes a first indication, within a repetition field associated with all reference signal resources in a first reference signal resource set, that all reference signal resources in the first reference signal resource set are associated with a first base station beam, and wherein the CSI configuration includes a second indication, within a repetition field associated with all reference signal resources in a second reference signal resource set, that all reference signal resources in the second reference signal resource set are associated with a second base station beam; and

transmitting, for each reference signal resource set of the multiple reference signal resource sets, the multiple reference signal repetitions for the particular base station beam, wherein the multiple reference signal repetitions for the particular base station beam are configured to be received using different beams to determine preferred UE beams for pairing with each base station beam of the multiple base station beams.

30 . The method of claim 29 , wherein the CSI configuration indicates, via a first transmission configuration indicator (TCI) state identification, that the first reference signal resource set is associated with the first base station beam, and

wherein the CSI configuration indicates, via a second TCI state identification, that the second reference signal resource set is associated with the second base station beam.