PDCCH monitoring span determination

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

transmitting, to a base station, information identifying one or more control channel monitoring span capabilities;

receiving, from the base station, information identifying a plurality of control channel monitoring occasions;

generating a bitmap based at least in part on the plurality of control channel monitoring occasions, wherein the bitmap corresponds to a plurality of slots, and wherein an lth bit of the bitmap is equal to 1 when an lth symbol of any slot is part of any control channel monitoring occasion of the plurality of control channel monitoring occasions; and

determining, in accordance with the bitmap and based at least in part on the information identifying the one or more control channel monitoring span capabilities, a span pattern indicating one or more locations of one or more spans in a slot of the plurality of slots.

2. The method of claim 1 , wherein a control channel monitoring span capability, of the one or more control channel monitoring span capabilities, identifies a minimum distance between a start of two spans and a maximum length of a span of the one or more spans.

3. The method of claim 1 , wherein determining the span pattern indicating the one or more locations of the one or more spans in the slot is based at least in part on determining a span length, wherein the span length is based at least in part on the one or more control channel monitoring span capabilities and a maximum length of respective control resource sets of the plurality of control channel monitoring occasions.

4. The method of claim 3 , wherein determining the span pattern indicating the one or more locations is based at least in part on locations of UE-specific search spaces identified by the plurality of control channel monitoring occasions.

5. The method of claim 3 , wherein determining the span pattern indicating the one or more locations is based at least in part on locations of UE-specific search spaces and common search spaces identified by the plurality of control channel monitoring occasions.

6. The method of claim 1 , wherein the one or more locations are determined based at least in part on combining information indicating locations of the plurality of control channel monitoring occasions across multiple different slots of the plurality of slots.

7. The method of claim 1 , wherein a location, of the one or more locations, starts at a first symbol of a first control channel monitoring occasion, of the plurality of control channel monitoring occasions, across all slots that include the plurality of control channel monitoring occasions.

8. The method of claim 7 , wherein a last span, of the one or more spans, is shortened when the last span is associated with a span length that would exceed an end of the slot.

9. The method of claim 8 , wherein a last symbol of the last span is determined as a last symbol of the slot.

10. The method of claim 1 , wherein determining the span pattern indicating the one or more locations of the one or more spans in the slot comprises:

mapping a first span, of the one or more spans, to begin at a smallest lth bit of the bitmap which is equal to 1,

wherein a span length of the one or more spans is equal to a maximum between a maximum value of all control resource set durations of the plurality of control channel monitoring occasions and a minimum value of maximum span lengths identified by the information identifying the one or more control channel monitoring span capabilities.

11. The method of claim 1 , wherein the span pattern repeats across multiple slots of the plurality of slots.

12. The method of claim 1 , wherein the one or more locations of the one or more spans are determined for multiple slots of the plurality of slots, and wherein a first symbol of every span, of the one or more spans, has a monitoring occasion in at least one slot of the multiple slots.

13. A user equipment 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:

transmit, to a base station, information identifying one or more control channel monitoring span capabilities;

receive, from the base station, information identifying a plurality of control channel monitoring occasions;

generate a bitmap based at least in part on the plurality of control channel monitoring occasions, wherein the bitmap corresponds to a plurality of slots, and wherein an lth bit of the bitmap is equal to 1 when an lth symbol of any slot is part of any control channel monitoring occasion of the plurality of control channel monitoring occasions; and

determine, in accordance with the bitmap and based at least in part on the information identifying the one or more control channel monitoring span capabilities, a span pattern indicating one or more locations of one or more spans in a slot of the plurality of slots.

14. The UE of claim 13 , wherein a control channel monitoring span capability, of the one or more control channel monitoring span capabilities, identifies a minimum distance between a start of two spans and a maximum length of a span of the one or more spans.

15. The UE of claim 13 , wherein determining the span pattern indicating the one or more locations of the one or more spans in the slot is based at least in part on determining a span length, wherein the span length is based at least in part on the one or more control channel monitoring span capabilities and a maximum length of respective control resource sets of the plurality of control channel monitoring occasions.

16. The UE of claim 13 , wherein a control channel monitoring occasion, of the plurality of control channel monitoring occasions, is associated with a search space periodicity longer than the slot, and

wherein the one or more locations of the one or more spans in the slot are based at least in part on the search space periodicity.

17. The UE of claim 16 , wherein determining the span pattern indicating the one or more locations is based at least in part on locations of UE-specific search spaces identified by the plurality of control channel monitoring occasions.

18. The UE of claim 16 , wherein determining the span pattern indicating the one or more locations is based at least in part on locations of UE-specific search spaces and common search spaces identified by the plurality of control channel monitoring occasions.

19. The UE of claim 16 , wherein the one or more locations are determined based at least in part on combining information indicating locations of the plurality of control channel monitoring occasions across multiple different slots of the plurality of slots.

20. The UE of claim 16 , wherein a location, of the one or more locations, starts at a first symbol of a first control channel monitoring occasion, of the plurality of control channel monitoring occasions, across all slots that include the plurality of control channel monitoring occasions.

21. The UE of claim 20 , wherein a last span, of the one or more spans, is shortened when the last span is associated with a span length that would exceed an end of the slot.

22. The UE of claim 21 , wherein a last symbol of the last span is determined as a last symbol of the slot.

23. The UE of claim 13 , wherein the one or more processors, when determining the span pattern indicating the one or more locations of the one or more spans in the slot, are configured to:

map a first span, of the one or more spans, to begin at a smallest lth bit of the bitmap which is equal to 1,

wherein a span length of the one or more spans is equal to a maximum between a maximum value of all control resource set durations of the plurality of control channel monitoring occasions and a minimum value of maximum span lengths identified by the information identifying the one or more control channel monitoring span capabilities.

24. The UE of claim 13 , wherein the span pattern repeats across multiple slots of the plurality of slots.

25. 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, cause the one or more processors to:

transmit, to a base station, information identifying one or more control channel monitoring span capabilities;

receive, from the base station, information identifying a plurality of control channel monitoring occasions;

generate a bitmap based at least in part on the plurality of control channel monitoring occasions, wherein the bitmap corresponds to a plurality of slots, and wherein an lth bit of the bitmap is equal to 1 when an lth symbol of any slot is part of any control channel monitoring occasion of the plurality of control channel monitoring occasions; and

determine, in accordance with the bitmap and based at least in part on the information identifying the one or more control channel monitoring span capabilities, a span pattern indicating one or more locations of one or more spans in a slot of the plurality of slots.

26. The non-transitory computer-readable medium of claim 25 , wherein the one or more locations are determined based at least in part on combining information indicating locations of the plurality of control channel monitoring occasions across multiple different slots of the plurality of slots.

27. An apparatus for wireless communication, comprising:

means for transmitting, to a base station, information identifying one or more control channel monitoring span capabilities;

means for receiving, from the base station, information identifying a plurality of control channel monitoring occasions;

means for generating a bitmap based at least in part on the plurality of control channel monitoring occasions, wherein the bitmap corresponds to a plurality of slots, and wherein an lth bit of the bitmap is equal to 1 when an lth symbol of any slot is part of any control channel monitoring occasion of the plurality of control channel monitoring occasions; and

means for determining, in accordance with the bitmap and based at least in part on the information identifying the one or more control channel monitoring span capabilities, a span pattern indicating one or more locations of one or more spans in a slot of the plurality of slots.

28. The apparatus of claim 27 , wherein the means for determining the span pattern indicating the one or more locations of the one or more spans of the slot comprises:

means for mapping a first span, of the one or more spans, to begin at a smallest lth bit of the bitmap which is equal to,

wherein a span length of the one or more spans is equal to a maximum between a maximum value of all control resource set durations of the plurality of control channel monitoring occasions and a minimum value of maximum span lengths identified by the information identifying the one or more control channel monitoring span capabilities.

29. The method of claim 1 , wherein determining the span pattern indicating the one or more locations of the one or more spans in the slot comprises:

mapping a next span, of the one or more spans, to begin at a smallest lth bit of the bitmap which is equal to 1 and is not included in one or more previous spans of the one or more spans.

30. The UE of claim 13 , wherein the one or more processors, when determining the span pattern indicating the one or more locations of the one or more spans in slot, are configured to:

map a next span, of the one or more spans, to begin at a smallest lth bit of the bitmap which is equal to 1 and is not included in one or more previous spans of the one or more spans.