Techniques for beam management for secondary component carrier

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

a memory; and

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

establish a communication link using a first serving beam on a secondary component carrier (SCC);

identify a link failure associated with the first serving beam;

transmit, via the SCC and based at least in part on identifying the link failure associated with the first serving beam on the SCC, a channel quality indicator to a network entity;

report measurement information for one or more candidate serving beams;

receive an indication of a second serving beam from the one or more candidate serving beams; and

switch from using the first serving beam to using the second serving beam for the SCC.

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

forego control channel monitoring on the first serving beam in association with the link failure.

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

track a measurement value for the first serving beam and the one or more candidate serving beams after transmitting the channel quality indicator.

4. The UE of claim 1 , wherein the measurement information includes at least one of:

a Layer 1 reference signal received power (RSRP), or

a Layer 3 RSRP.

5. The UE of claim 1 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with the first serving beam, and wherein the one or more processors, to report the measurement information, are configured to:

transmit a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the first serving beam.

6. The UE of claim 1 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with a serving beam of the one or more candidate serving beams, and wherein the one or more processors, to report the measurement information, are configured to:

transmit a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the one or more candidate serving beams.

7. The UE of claim 1 , wherein the indication of the second serving beam indicates, via medium access control signaling, a transmission configuration indicator state associated with the second serving beam.

8. The UE of claim 1 , wherein the measurement information is first measurement information, and

wherein the one or more processors, to establish the communication link, are configured to:

select the first serving beam from second measurement information available prior to establishing the communication link.

9. The UE of claim 1 , wherein a single synchronization signal block is enabled for the UE, and

wherein the one or more processors, to establish the communication link, are configured to:

select the single synchronization signal block for the first serving beam.

10. The UE of claim 1 , wherein multiple synchronization signal blocks are enabled for the UE without available measurement information, and wherein the one or more processors are configured to:

pause loop updates associated with selecting a serving beam for the SCC based at least in part on multiple synchronization signal blocks being enabled for the UE without available measurement information.

11. The UE of claim 1 , wherein the one or more processors, to receive the indication of the second serving beam, are configured to:

receive signaling indicating the second serving beam.

12. The UE of claim 1 , wherein the one or more processors, to receive the indication of the second serving beam, are configured to:

select the second serving beam based at least in part on a synchronization signal block measurement associated with the second serving beam.

13. A network entity for wireless communication, comprising:

a memory; and

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

establish, for a user equipment (UE), a communication link using a first serving beam on a secondary component carrier (SCC);

receive, via the SCC, a channel quality indicator associated with the first serving beam in association with a link failure of the first serving beam on the SCC;

receive measurement information for one or more candidate serving beams; and

switch the UE from using the first serving beam to using a second serving beam, of the one or more candidate serving beams, for the SCC.

14. The network entity of claim 13 , wherein the measurement information includes at least one of:

a Layer 1 reference signal received power (RSRP), or

a Layer 3 RSRP.

15. The network entity of claim 13 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with the first serving beam, and wherein the one or more processors, to receive the measurement information, are configured to:

receive a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the first serving beam.

16. The network entity of claim 13 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with a serving beam of the one or more candidate serving beams, and wherein the one or more processors, to receive the measurement information, are configured to:

receive a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the one or more candidate serving beams.

17. The network entity of claim 13 , further comprising:

transmitting an indication of the second serving beam that indicates, via medium access control signaling, a transmission configuration indicator state associated with the second serving beam.

18. The network entity of claim 13 , wherein the one or more processors are further configured to:

transmit signaling indicating the second serving beam.

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

establishing a communication link using a first serving beam on a secondary component carrier (SCC);

identifying a link failure associated with the first serving beam;

transmitting, via the SCC and based at least in part on identifying the link failure associated with the first serving beam on the SCC, a channel quality indicator to a network entity;

reporting measurement information for one or more candidate serving beams;

receiving an indication of a second serving beam from the one or more candidate serving beams; and

switching from using the first serving beam to using the second serving beam for the SCC.

20. The method of claim 19 , further comprising:

foregoing control channel monitoring on the first serving beam in association with the link failure.

21. The method of claim 19 , further comprising:

tracking a measurement value for the first serving beam and the one or more candidate serving beams after transmitting the channel quality indicator.

22. The method of claim 19 , wherein the measurement information includes at least one of:

a Layer 1 reference signal received power (RSRP), or

a Layer 3 RSRP.

23. The method of claim 19 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with the first serving beam, and wherein the reporting of the measurement information further comprises:

transmitting a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the first serving beam.

24. The method of claim 19 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with a serving beam of the one or more candidate serving beams, and wherein the reporting of the measurement information further comprises:

transmitting a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the one or more candidate serving beams.

25. A method of wireless communication performed by a network entity, comprising:

establishing, for a user equipment (UE), a communication link using a first serving beam on a secondary component carrier (SCC);

receiving, via the SCC, a channel quality indicator associated with the first serving beam in association with a link failure of the first serving beam on the SCC;

receiving measurement information for one or more candidate serving beams; and

switching the UE from using the first serving beam to using a second serving beam, of the one or more candidate serving beams, for the SCC.

26. The method of claim 25 , wherein the measurement information includes at least one of:

a Layer 1 reference signal received power (RSRP), or

a Layer 3 RSRP.

27. The method of claim 25 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with the first serving beam, and wherein the reception of the measurement information further comprises:

receiving a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the first serving beam.

28. The method of claim 25 , wherein the measurement information indicates one or more preferred beams that are quasi-colocated with a serving beam of the one or more candidate serving beams, and wherein the reception of the measurement information further comprises:

receiving a channel state information reference signal resource indicator indicating the one or more preferred beams in association with a synchronization signal block of the one or more candidate serving beams.

29. The method of claim 25 , further comprising:

transmitting an indication of the second serving beam that indicates, via medium access control signaling, a transmission configuration indicator state associated with the second serving beam.

30. The method of claim 25 , further comprising:

transmitting signaling indicating the second serving beam.