Capability report for digital beamforming configuration

1. An apparatus for wireless communication at a user equipment (UE), comprising:

a memory; and

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

transmit capability information including information regarding a beamforming capability of the UE, the capability information indicating a bit granularity of an analog-to-digital converter (ADC) of the UE, the bit granularity being selected in accordance with a throughput for one or more communications;

receive configuration information indicating a beamforming configuration, the beamforming configuration being selected in accordance with the capability information, and the beamforming configuration associated at least in part with digital beamforming, analog beamforming, or a combination thereof; and

communicate the one or more communications in accordance with the beamforming configuration.

2. The apparatus of claim 1 , wherein the information regarding the beamforming capability of the UE is associated with a millimeter wave frequency.

3. The apparatus of claim 1 , wherein the capability information is included in a UE capability report.

4. The apparatus of claim 1 , wherein the capability information indicates a first beamforming capability for a data communication and a second beamforming capability for a control communication.

5. The apparatus of claim 4 , wherein the configuration information indicates a first beamforming configuration, corresponding to the first beamforming capability, for the data communication, and a second beamforming configuration, corresponding to the second beamforming capability, for the control communication.

6. The apparatus of claim 5 , wherein the first beamforming configuration is a digital beamforming configuration and the second beamforming configuration is a hybrid or analog beamforming configuration.

7. The apparatus of claim 5 , wherein the configuration information indicates a third beamforming configuration for a data and control transmission.

8. The apparatus of claim 7 , wherein the third beamforming configuration is a digital beamforming configuration.

9. The apparatus of claim 1 , wherein the configuration information is received via medium access control signaling or downlink control information.

10. The apparatus of claim 1 , wherein a scheduling offset between the configuration information and a communication fails to satisfy a threshold, and wherein the communication is performed using a transmission configuration indicator state indicated by scheduling information associated with the communication.

11. The apparatus of claim 1 , wherein the one or more processors, to communicate the one or more communications in accordance with the beamforming configuration, are configured to:

communicate the one or more communications in accordance with the beamforming configuration using a frequency that satisfies a frequency threshold.

12. The apparatus of claim 1 , wherein the bit granularity is associated with a beamforming mode of the UE.

13. The apparatus of claim 12 , wherein the one or more processors are further configured to:

select the bit granularity associated with the beamforming mode of the UE,

the bit granularity associated with the beamforming mode being less than a maximum ADC resolution that the UE supports.

14. The apparatus of claim 12 , wherein the indication of the bit granularity is associated with a beamforming mode of the UE for downlink communications within frequency range 2 or frequency range 4.

15. The apparatus of claim 1 , wherein the capability information is transmitted via one or more of a physical uplink control channel message or one or more medium access control control elements.

16. The apparatus of claim 1 , wherein the configuration information is received via a downlink control information communication, one or more medium access control control elements, or radio resource control signaling.

17. The apparatus of claim 1 , wherein the configuration information comprises an indication of a selected beamforming mode, of a set of beamforming modes that includes a digital beamforming mode, to use to receive the one or more communications.

18. An apparatus for wireless communication at a base station, comprising:

a memory; and

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

receive capability information including information regarding a beamforming capability of a user equipment (UE), the capability information indicating a bit granularity of an analog-to-digital converter (ADC) of the UE, the bit granularity being selected in accordance with a throughput for one or more communications;

transmit configuration information indicating a beamforming configuration, the beamforming configuration being selected in accordance with the capability information, and the beamforming configuration associated at least in part with digital beamforming, analog beamforming, or a combination thereof; and

communicate the one or more communications at least in accordance with the beamforming configuration.

19. The apparatus of claim 18 , wherein the information regarding the beamforming capability of the UE is associated with a millimeter wave frequency.

20. The apparatus of claim 18 , wherein the capability information is included in a UE capability report.

21. The apparatus of claim 18 , wherein the capability information indicates a first beamforming capability for a data communication and a second beamforming capability for a control communication.

22. The apparatus of claim 21 , wherein the configuration information indicates a first beamforming configuration, corresponding to the first beamforming capability, for the data communication, and a second beamforming configuration, corresponding to the second beamforming capability, for the control communication.

23. The apparatus of claim 18 , wherein the configuration information is received via medium access control signaling or downlink control information.

24. The apparatus of claim 18 , wherein a scheduling offset between receiving the configuration information and a communication fails to satisfy a threshold, and wherein the communication is performed using a transmission configuration indicator state indicated by scheduling information associated with the communication.

25. The apparatus of claim 18 , wherein the one or more processors, to communicate the one or more communications at least in accordance with the beamforming configuration, are configured to:

communicate the one or more communications at least in accordance with the beamforming configuration using a frequency that satisfies a frequency threshold.

26. The apparatus of claim 18 , wherein the bit granularity is associated with a beamforming mode of the UE.

27. The apparatus of claim 26 , wherein the indication of the bit granularity is associated with a beamforming mode of the UE for downlink communications within frequency range 2 or frequency range 4.

28. The apparatus of claim 18 , wherein the capability information is received via one or more of a physical uplink control channel message or one or more medium access control control elements.

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

transmitting capability information including information regarding a beamforming capability of the UE, the capability information indicating a bit granularity of an analog-to-digital converter (ADC) of the UE, the bit granularity being selected in accordance with a throughput for one or more communications;

receiving configuration information indicating a beamforming configuration, the beamforming configuration being selected in accordance with the capability information, and the beamforming configuration associated at least in part with digital beamforming, analog beamforming, or a combination thereof; and

communicating the one or more communications in accordance with the beamforming configuration.

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

receiving capability information including information regarding a beamforming capability of a user equipment (UE), the capability information indicating a bit granularity of an analog-to-digital converter (ADC) of the UE, the bit granularity being selected in accordance with a throughput for one or more communications;

transmitting configuration information indicating a beamforming configuration, the beamforming configuration being selected in accordance with the capability information, and the beamforming configuration associated at least in part with digital beamforming, analog beamforming, or a combination thereof; and

communicating the one or more communications in accordance with the beamforming configuration.