Techniques for dynamic signaling for wireless coverage enhancement

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

receiving, in a single dynamic signaling communication, an indication to activate coverage enhancement parameters for communications on one or more narrow beams,

wherein the communications on the one or more narrow beams are associated with channel state information (CSI) reporting, physical downlink control channel (PDCCH) communications, physical uplink control channel (PUCCH) communications, or configured grant scheduling, and

wherein the coverage enhancement parameters include:

a repetition parameter,

a frequency resource allocation parameter,

a time resource allocation parameter, and

a payload size parameter; and

activating the coverage enhancement parameters based at least in part on receiving the indication.

2. The method of claim 1 , wherein receiving the indication to activate the coverage enhancement parameters comprises:

receiving the indication to activate the coverage enhancement parameters in a:

a downlink control information (DCI) communication, or

a medium access control control element (MAC-CE) communication.

3. The method of claim 1 , wherein the coverage enhancement parameters are UE-specific coverage enhancement parameters; and

wherein receiving the indication to activate the coverage enhancement parameters comprises:

receiving an indication to activate the UE-specific coverage enhancement parameters.

4. The method of claim 1 , wherein the coverage enhancement parameters are group-common coverage enhancement parameters; and

wherein receiving the indication to activate the coverage enhancement parameters comprises:

receiving an indication to activate the group-common coverage enhancement parameters.

5. The method of claim 4 , further comprising:

receiving an indication of the group-common coverage enhancement parameters in a UE-specific radio resource control (RRC) communication; and

wherein receiving the indication to activate the group-common coverage enhancement parameters comprises:

receiving the indication to activate the group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication.

6. The method of claim 5 , wherein the indication to activate the group-common coverage enhancement parameters is included in a physical downlink control channel (GC-PDCCH) communication; and

the method further comprises:

receiving an indication of the group-common coverage enhancement parameters in a search space configuration for downlink control information (DCI) associated with the GC-PDCCH communication.

7. The method of claim 1 , further comprising:

deactivating the coverage enhancement parameters based at least in part on expiration of a timer associated with the coverage enhancement parameters.

8. The method of claim 1 , further comprising:

receiving a communication to deactivate the coverage enhancement parameters,

wherein the communication to deactivate the coverage enhancement parameters comprises at least one of:

a communication that explicitly indicates that the coverage enhancement parameters are to be deactivated,

a communication that explicitly indicates that the coverage enhancement parameters are to be deactivated after a time duration, or

a beam switch command.

9. The method of claim 1 , wherein receiving the indication to activate the coverage enhancement parameters comprises:

receiving the indication to activate the coverage enhancement parameters based at least in part on beam performance, of one more narrow beams on which the UE communicates with a network entity, not satisfying a performance threshold.

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

determining that beam performance of one or more narrow beams, on which the network entity communicates with one or more user equipments (UEs), does not satisfy a performance threshold;

determining to activate coverage enhancement parameters for one or more UEs for communications on the one or more narrow beams,

wherein the communications on the one or more narrow beams are associated with channel state information (CSI) reporting, physical downlink control channel (PDCCH) communications, physical uplink control channel (PUCCH) communications, or configured grant scheduling, and

wherein the coverage enhancement parameters comprise:

a repetition parameter,

a frequency resource allocation parameter,

a time resource allocation parameter, and

a payload size parameter; and

transmitting, to the one or more UEs and based at least in part on the determination to activate the coverage enhancement parameters, a single dynamic communication indicating to activate the coverage enhancement parameters.

11. The method of claim 10 , wherein transmitting the single dynamic communication indicating to activate the coverage enhancement parameters comprises:

transmitting the single dynamic communication indicating to activate the coverage enhancement parameters in:

a downlink control information (DCI) communication, or

a medium access control control element (MAC-CE) communication.

12. The method of claim 10 , wherein the coverage enhancement parameters are UE-specific coverage enhancement parameters; and

wherein transmitting the single dynamic communication indicating to activate the coverage enhancement parameters comprises:

transmitting an indication to activate the UE-specific coverage enhancement parameters to a single UE.

13. The method of claim 10 , wherein the coverage enhancement parameters are group-common coverage enhancement parameters; and

wherein transmitting the single dynamic communication indicating to activate the coverage enhancement parameters comprises:

transmitting an indication to activate the group-common coverage enhancement parameters to a plurality of UEs.

14. The method of claim 13 , further comprising:

transmitting, to each UE of the plurality of UEs, an indication of the group-common coverage enhancement parameters in respective UE-specific radio resource control (RRC) communications,

wherein the single dynamic communication indicating to activate the group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication.

15. The method of claim 13 , wherein the single dynamic communication indicating to activate the group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication; and

the method further comprises:

transmitting, to the plurality of UEs, an indication of the group-common coverage enhancement parameters in a search space configuration for downlink control information (DCI) associated with the GC-PDCCH communication.

16. The method of claim 10 , wherein the coverage enhancement parameters are active until expiration of a timer associated with the coverage enhancement parameters.

17. The method of claim 10 , further comprising:

transmitting, to the one or more UEs, a communication that deactivates the coverage enhancement parameters,

wherein the communication that deactivates the coverage enhancement parameters comprises at least one of:

a communication that explicitly indicates that the coverage enhancement parameters are deactivated,

a communication that explicitly indicates that the coverage enhancement parameters are to be deactivated after a time duration, or

a beam switch command.

18. The method of claim 10 , wherein determining that the beam performance of the one or more narrow beams does not satisfy the performance threshold comprises:

determining that the beam performance of the one or more narrow beams does not satisfy the performance threshold based at least in part on at least one of:

one or more channel state information (CSI) reports received from at least a subset of the one or more UEs,

one or more hybrid automatic repeat request (HARQ) feedback communications received from at least a subset of the one or more UEs, or

uplink reception quality associated with at least a subset of the one or more UEs.

19. The method of claim 10 , further comprising:

identifying the coverage enhancement parameters from a plurality of candidate coverage enhancement parameters configured for one or more physical channel types or one or more communication procedure types.

20. The method of claim 10 , further comprising:

determining that beam performance of the one or more narrow beams, on which the network entity communicates with the one or more UEs, does not satisfy a performance threshold,

wherein determining to activate the coverage enhancement parameters for the one or more UEs comprises:

determining to activate the coverage enhancement parameters for the one or more UEs based at least in part on the determination that the beam performance of the one or more narrow beams does not satisfy the performance threshold.

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

one or more memories; and

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

receive, in a single dynamic signaling communication, an indication to activate coverage enhancement parameters for communications on one or more narrow beams,

wherein the communications on the one or more narrow beams are associated with channel state information (CSI) reporting, physical downlink control channel (PDCCH) communications, physical uplink control channel (PUCCH) communications, or configured grant scheduling, and

wherein the coverage enhancement parameters include:

a repetition parameter,

a frequency resource allocation parameter,

a time resource allocation parameter, and

a payload size parameter; and

activate the coverage enhancement parameters based at least in part on receiving the indication.

22. The UE of claim 21 , wherein the coverage enhancement parameters are UE-specific coverage enhancement parameters; and

wherein the one or more processors, when receiving the indication to activate the coverage enhancement parameters, are configured to:

receive an indication to activate the UE-specific coverage enhancement parameters.

23. The UE of claim 21 , wherein the coverage enhancement parameters are group-common coverage enhancement parameters; and

wherein the one or more processors, when transmitting the indication to activate the coverage enhancement parameters, are configured to:

receive an indication to activate the group-common coverage enhancement parameters.

24. The UE of claim 23 , wherein the UE wherein the one or more processors are further configured to:

receive an indication of the group-common coverage enhancement parameters in a UE-specific radio resource control (RRC) communication; and

wherein the one or more processors, when receiving the indication to activate the group-common coverage enhancement parameters, are configured to:

receive the indication to activate the group-common coverage enhancement parameters is included in a group-common physical downlink control channel (GC-PDCCH) communication.

25. The UE of claim 21 , wherein the one or more processors, when receiving the indication to activate the coverage enhancement parameters, are configured to:

receive the indication to activate the coverage enhancement parameters based at least in part on beam performance, of the one or more narrow beams on which the UE communicates with a network entity, not satisfying a performance threshold.

26. The UE of claim 21 , wherein the one or more processors, when receiving the indication to activate the coverage enhancement parameters, are configured to:

receive the indication to activate the coverage enhancement parameters in a:

a downlink control information (DCI) communication, or

a medium access control control element (MAC-CE) communication.

27. The UE of claim 21 , wherein the UE wherein the one or more processors are further configured to:

deactivate the coverage enhancement parameters based at least in part on expiration of a timer associated with the coverage enhancement parameters.

28. A network entity for wireless communication, comprising:

one or more memories; and

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

determine to activate coverage enhancement parameters for one or more user equipments (UEs) for communications on one or more narrow beams,

wherein the communications on the one or more narrow beams are associated with channel state information (CSI) reporting, physical downlink control channel (PDCCH) communications, physical uplink control channel (PUCCH) communications, or configured grant scheduling, and

wherein the coverage enhancement parameters include:

a repetition parameter,

a frequency resource allocation parameter,

a time resource allocation parameter, and

a payload size parameter; and

transmit, to the one or more UEs and based at least in part on the determination to activate the coverage enhancement parameters, a single dynamic communication indicating to activate the coverage enhancement parameters.

29. The network entity of claim 28 , wherein the coverage enhancement parameters are group-common coverage enhancement parameters; and

wherein the one or more processors, when transmitting the single dynamic communication indicating to activate the coverage enhancement parameters, are configured to:

transmit an indication to activate the group-common coverage enhancement parameters to a plurality of UEs.

30. The network entity of claim 28 , wherein the one or more processors are further configured to:

determine that beam performance of one or more narrow beams, on which the network entity communicates with the one or more UEs, does not satisfy a performance threshold; and

wherein the one or more processors, when determining to activate the coverage enhancement parameters for the one or more UEs, are configured to:

determine to activate the coverage enhancement parameters for the one or more UEs based at least in part on the determination that the beam performance of the one or more narrow beams does not satisfy the performance threshold.