Search space set for wakeup signal

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

monitoring a wakeup signal search space (WUS-SS) set for a physical downlink control channel (PDCCH) wakeup signal (WUS), wherein the WUS-SS is associated with an overbooking rule that indicates whether PDCCH overbooking is permitted for a slot associated with the WUS-SS set; and

detecting the PDCCH WUS in the WUS-SS set based at least in part on monitoring the WUS-SS set.

2. The method of claim 1 , further comprising:

receiving a signaling communication that includes an indication of the WUS-SS set,

wherein monitoring the WUS-SS set for the PDCCH WUS comprises:

monitoring the WUS-SS set based at least in part on the indication of the WUS-SS set.

3. The method of claim 2 , wherein the indication of the WUS-SS set comprises:

a search space set identifier associated with the WUS-SS set.

4. The method of claim 2 , wherein the signaling communication comprises at least one of:

a radio resource control (RRC) communication,

a medium access control (MAC) control element (MAC-CE) communication, or

a downlink control information (DCI) communication.

5. The method of claim 1 , wherein the WUS-SS set is associated with a search space type,

wherein the search space type comprises:

a common search space (CSS), or

a UE-specific search space (USS).

6. The method of claim 5 , wherein the CSS is a default search space type for the WUS-SS set.

7. The method of claim 5 , wherein the search space type, associated with the WUS-SS set, is indicated in a signaling communication.

8. The method of claim 1 , wherein the WUS-SS set is associated with a WUS common search space (CSS) type;

wherein the WUS CSS type, associated with the WUS-SS set, is indicated by:

a cell-specific radio resource control (RRC) configuration included in a signaling communication, or

a UE-specific RRC configuration included in the signaling communication.

9. The method of claim 1 , wherein a search space type, associated with the WUS-SS set, comprises:

a common search space (CSS);

wherein a CSS type, associated with the WUS-SS set, is indicated by a UE-specific RRC configuration; and

wherein the CSS type, associated with the WUS-SS set, is indicated as a Type3-PDCCH CSS set in the UE-specific RRC configuration.

10. The method of claim 1 , wherein the overbooking rule indicates that the PDCCH overbooking is not permitted for the slot associated with the WUS-SS set.

11. The method of claim 1 , wherein at least one of:

a blind decode limit, for the slot associated with the WUS-SS set, is lower relative to a blind decode limit for another slot that is not associated with the WUS-SS set, or

a control channel element (CCE) limit, for the slot associated with the WUS-SS set, is lower relative to a CCE limit for the other slot that is not associated with the WUS-SS set.

12. The method of claim 1 , wherein the PDCCH WUS is configured to be monitored in a search space set by the UE; and

wherein an aggregation level and a quantity of PDCCH candidates, for the PDCCH WUS in the search space set, are configured separately from an aggregation level and a quantity of PDCCH candidates for another search space set associated with the UE; and

wherein the aggregation level and the quantity of PDCCH candidates, for the PDCCH WUS in the search space set, are configured separately from an aggregation level and a quantity of PDCCH candidates that are not for the PDCCH WUS in the search space set associated with the UE.

13. The method of claim 1 , wherein the PDCCH WUS is configured to be monitored in a search space set for the UE; and

at least one of:

aggregation levels, for the PDCCH WUS, include a subset of available aggregation levels that are not configured for the PDCCH WUS in the search space set, or

a quantity of PDCCH candidates per aggregation level, for the PDCCH WUS, includes a subset of a quantity of PDCCH candidates per aggregation level that are not configured for the PDCCH WUS in the search space set.

14. The method of claim 1 , wherein the WUS-SS set is located in one or more symbols at a beginning of the slot.

15. The method of claim 1 , wherein respective occasions, of the WUS-SS set, are included in span of one or more symbols in a fixed location in a plurality of slots.

16. The method of claim 1 , wherein respective occasions, of the WUS-SS set, are included in different locations in a plurality of slots.

17. The method of claim 1 , wherein the PDCCH WUS is monitored for in the slot

wherein the slot includes respective pluralities of occasions of one or more search space sets; and

wherein monitoring the PDCCH WUS comprises:

monitoring a single occasion, of the pluralities of occasions of one or more search space sets, in the slot.

18. The method of claim 1 , wherein the PDCCH WUS is monitored for in the slot;

wherein the slot includes respective pluralities of occasions of more than one search space sets;

wherein the more than one search space sets are included in one or more control resource sets (CORESETs); and

wherein monitoring the PDCCH WUS comprises:

monitoring at most one respective search space set occasion for each CORESET of the one or more CORESETs.

19. The method of claim 1 , wherein the WUS-SS set is included in the slot and no other search space sets are included in the slot.

20. The method of claim 1 , wherein the WUS-SS set is included in the slot and no other PDCCHs are monitored in the slot.

21. The method of claim 1 , wherein monitoring the WUS-SS set for the PDCCH WUS comprises:

transitioning out of a power-saving mode for a WUS occasion; and

monitoring the WUS-SS set during the WUS occasion.

22. The method of claim 21 , wherein the WUS occasion corresponds to one or more slots that include WUS-SS occasions included in the WUS-SS set.

23. The method of claim 1 , wherein monitoring the WUS-SS set for the PDCCH WUS comprises:

monitoring the WUS-SS set in one or more slots that include the slot.

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

a memory; and

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

monitor a wakeup signal search space (WUS-SS) set for a physical downlink control channel (PDCCH) wakeup signal (WUS), wherein the WUS-SS is associated with an overbooking rule that indicates whether PDCCH overbooking is permitted for a slot associated with the WUS-SS set; and

detect the PDCCH WUS in the WUS-SS set based at least in part on monitoring the WUS-SS set.

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

receive a signaling communication that includes an indication of the WUS-SS set,

wherein one or more processors, when monitoring the WUS-SS set for the PDCCH WUS, are to:

monitor the WUS-SS set based at least in part on the indication of the WUS-SS set.

26. The UE of claim 24 , wherein the WUS-SS set is associated with a search space type,

wherein the search space type comprises:

a common search space (CSS), or

a UE-specific search space (USS).

27. A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising:

one or more instructions that, when executed by one or more processors of a user equipment (UE), cause the one or more processors to:

monitor a wakeup signal search space (WUS-SS) set for a physical downlink control channel (PDCCH) wakeup signal (WUS), wherein the WUS-SS is associated with an overbooking rule that indicates whether PDCCH overbooking is permitted for a slot associated with the WUS-SS set; and

detect the PDCCH WUS in the WUS-SS set based at least in part on monitoring the WUS-SS set.

28. The non-transitory computer-readable medium of claim 27 , wherein the WUS-SS set is associated with a search space type,

wherein the search space type comprises:

a common search space (CSS), or

a UE-specific search space (USS).

29. An apparatus for wireless communication, comprising:

means for monitoring a wakeup signal search space (WUS-SS) set for a physical downlink control channel (PDCCH) wakeup signal (WUS), wherein the WUS-SS is associated with an overbooking rule that indicates whether PDCCH overbooking is permitted for a slot associated with the WUS-SS set; and

means for detecting the PDCCH WUS in the WUS-SS set based at least in part on monitoring the WUS-SS set.

30. The apparatus of claim 29 , wherein the WUS-SS set is associated with a search space type,

wherein the search space type comprises:

a common search space (CSS), or

a user equipment (UE)-specific search space (USS).