Blind decoding limits
Certain aspects of the present disclosure provide techniques for allocating a resource budget for blinding decoding among various types of DCI. A method that may be performed by a user equipment (UE) includes allocating a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by the UE; and monitoring, from a network entity, PDCCH candidates in accordance with the allocated resource budget.
1. A method of wireless communication by a user equipment (UE), comprising:
allocating a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by the UE; and
monitoring, from a network entity, PDCCH candidates in accordance with the allocated resource budget, wherein the PDCCH candidates include:
a first PDCCH candidate associated with the first type of DCI, and
a second PDCCH candidate associated with the second type of DCI, wherein the first PDCCH candidate and the second PDCCH candidate are decodable based on a same blind decode.
2. The method of claim 1 , wherein the number of PDCCH blind decodes includes a first number of PDCCH blind decodes associated with the first type of DCI and a second number of PDCCH blind decodes associated with the second type of DCI.
3. The method of claim 1 , wherein monitoring the PDCCH candidates comprises:
receiving and decoding the PDCCH candidates; and
counting the first PDCCH candidate towards a first number of PDCCH blind decodes associated with the first type of DCI and counting the second PDCCH candidate towards a second number of PDCCH blind decodes associated with the second type of DCI, if the first type of DCI or the second type of DCI is detected among the first PDCCH candidate and the second PDCCH candidate of the decoded PDCCH candidates.
4. The method of claim 1 , wherein monitoring the PDCCH candidates comprises:
receiving and decoding the PDCCH candidates; and
counting the first PDCCH candidate towards a first number of PDCCH blind decodes associated with the first type of DCI and counting the second PDCCH candidate towards a second number of PDCCH blind decodes associated with the second type of DCI if only the first type of DCI is detected among the first PDCCH candidate and the second PDCCH candidate, and
counting the second PDCCH candidate towards the second number of PDCCH blind decodes, but not counting the first PDCCH candidate towards the first number of PDCCH blind decodes, if only the second type of DCI is detected among the first PDCCH candidate and the second PDCCH candidate of the decoded PDCCH candidates.
5. The method of claim 1 , wherein monitoring the PDCCH candidates comprises counting, before decoding the PDCCH candidates, the first PDCCH candidate towards a first number of PDCCH blind decodes associated with the first type of DCI and counting the second PDCCH candidate towards a second number of PDCCH blind decodes associated with the second type of DCI separately.
6. The method of claim 1 , wherein monitoring the PDCCH candidates comprises:
counting, before decoding the PDCCH candidates, the first PDCCH candidate towards a first number of PDCCH blind decodes if PDCCH blind decodes are counted for the PDCCH candidates associated with the first type of DCI before PDCCH blind decodes are counted for the PDCCH candidates associated with the second type of DCI.
7. The method of claim 1 , wherein:
the first type of DCI is associated with a first type of wireless communication service;
the second type of DCI is associated with a second type of wireless communication service; and
the span of symbols comprises consecutive symbols in a slot.
8. A method of wireless communication by a user equipment (UE), comprising:
allocating a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by the UE, wherein the number of CCEs includes a first number of CCEs associated with the first type of DCI and a second number of CCEs associated with the second type of DCI; and
monitoring, from a network entity, PDCCH candidates in accordance with the allocated resource budget, wherein:
monitoring the PDCCH candidates comprises processing a plurality of CCEs;
the CCEs include a first set of one or more CCEs of a first PDCCH candidate associated with the first type of DCI and a second set of one or more CCEs of a second PDCCH candidate associated with the second type of DCI; and
the first set of one or more CCEs and the second set of one or more CCEs are able to be processed as a same set of one or more CCEs.
9. The method of claim 8 , wherein processing the CCEs comprises:
receiving and decoding the PDCCH candidates associated with the CCEs; and
counting the first set of one or more CCEs towards the first number of CCEs and counting the second set of one or more CCEs towards the second number of CCEs, if the first type of DCI or the second type of DCI is detected among the first PDCCH candidate and the second PDCCH candidate of the decoded PDCCH candidates.
10. The method of claim 8 , wherein processing the CCEs comprises:
receiving and decoding the first PDCCH candidate and the second PDCCH candidate; and
counting the first set of one or more CCEs towards the first number of CCEs and counting the second set of one or more CCEs towards the second number of CCEs, if only the first type of DCI is detected among the first PDCCH candidate and the second PDCCH candidate, and
counting the second set of one or more CCEs towards the second number of CCEs, but not counting the first set of one or more CCEs towards the first number of CCEs, if only the second type of DCI is detected among the first PDCCH candidate and the second PDCCH candidate.
11. The method of claim 8 , wherein processing the CCEs comprises counting, before decoding the PDCCH candidates, the first set of one or more CCE towards the first number of CCEs and counting the second set of one or more CCE towards the second number of CCEs separately.
12. The method of claim 8 , wherein processing the CCEs comprises:
counting, before decoding the PDCCH candidates, the first set of one or more CCE towards the first number of CCEs if CCEs are counted for the PDCCH candidates associated with the first type of DCI before CCEs are counted for the PDCCH candidates associated with the second type of DCI.
13. A method of wireless communication by a network entity, comprising:
allocating a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by a user equipment (UE);
transmitting, to the UE, signals indicating DCI via one or more PDCCH candidates allocated to the resource budget, wherein the PDCCH candidates include:
a first PDCCH candidate associated with the first type of DCI, and
a second PDCCH candidate associated with a second type of DCI, wherein the first PDCCH candidate and the second PDCCH candidate are decodable based on a same blind decode; and
communicating with the UE based on the indicated DCI.
14. The method of claim 13 , wherein the number of PDCCH blind decodes includes a first number of PDCCH blind decodes associated with the first type of DCI and a second number of PDCCH blind decodes associated with the second type of DCI.
15. The method of claim 13 , wherein transmitting the PDCCH candidates comprises:
counting the first PDCCH candidate towards a first number of PDCCH blind decodes associated with the first type of DCI and counting the second PDCCH candidate towards a second number of PDCCH blind decodes associated with the second type of DCI, if the first type of DCI or the second type of DCI is transmitted via the first PDCCH candidate or the second PDCCH candidate.
16. The method of claim 13 , wherein transmitting the PDCCH candidates comprises:
counting the first PDCCH candidate towards a first number of PDCCH blind decodes associated with the first type of DCI and counting the second PDCCH candidate towards a second number of PDCCH blind decodes associated with the second type of DCI, if only the first type of DCI is transmitted among the first PDCCH candidate and the second PDCCH candidate, and
counting the second PDCCH candidate towards the second number of PDCCH blind decodes, but not counting the first PDCCH candidate towards the first number of PDCCH blind decodes, if only the second type of DCI is transmitted among the first PDCCH candidate and the second PDCCH candidate.
17. The method of claim 13 , wherein transmitting the PDCCH candidates comprises counting the first PDCCH candidate towards a first number of PDCCH blind decodes associated with the first type of DCI and counting the second PDCCH candidate towards a second number of PDCCH blind decodes associated with the second type of DCI separately.
18. The method of claim 13 , wherein transmitting the PDCCH candidates comprises:
counting the first PDCCH candidate towards a first number of PDCCH blind decodes if PDCCH blind decodes are counted for the PDCCH candidates associated with the first type of DCI before PDCCH blind decodes are counted for the PDCCH candidates associated with the second type of DCI.
19. The method of claim 13 , wherein:
the first type of DCI is associated with a first type of wireless communication service;
the second type of DCI is associated with a second type of wireless communication service; and
the span of symbols comprises consecutive symbols in a slot.
20. A method of wireless communication by a network entity, comprising:
allocating a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by a user equipment (UE), wherein the number of CCEs includes a first number of CCEs associated with the first type of DCI and a second number of CCEs associated with the second type of DCI;
transmitting, to the UE, signals indicating DCI via one or more PDCCH candidates allocated to the resource budget, wherein the PDCCH candidates include:
a first set of one or more CCEs of a first PDCCH candidate associated with the first type of DCI, and
a second set of one or more CCEs of a second PDCCH candidate associated with the second type of DCI, wherein the first set of one or more CCEs and the second set of one or more CCEs are able to be processed as a same set of one or more CCEs; and communicating with the UE based on the indicated DCI.
21. The method of claim 20 , wherein transmitting the PDCCH candidates comprises:
counting the first set of one or more CCEs towards the first number of CCEs and counting the second set of one or more CCEs towards the second number of CCEs, if the first type of DCI or the second type of DCI is transmitted via the first PDCCH candidate or the second PDCCH candidate.
22. The method of claim 20 , wherein transmitting the PDCCH candidates comprises:
counting the first set of one or more CCEs towards the first number of CCEs and counting the second set of one or more CCEs towards the second number of CCE, if only the first type of DCI is transmitted among the first PDCCH candidate and the second PDCCH candidate, and
counting the second set of one or more CCEs towards the second number of CCEs, but not counting the first set of one or more CCEs towards the first number of CCEs, if only the second type of DCI is transmitted among the first PDCCH candidate and the second PDCCH candidate.
23. The method of claim 20 , wherein transmitting the PDCCH candidates comprises counting the first set of one or more CCE towards the first number of CCEs and counting the second set of one or more CCE towards the second number of CCEs separately.
24. The method of claim 20 , wherein transmitting the PDCCH candidates comprises:
counting the first set of one or more CCE towards the first number of CCEs if CCEs are counted for the PDCCH candidates associated with the first type of DCI before CCEs are counted for the PDCCH candidates associated with the second type of DCI.
25. A user equipment (UE) configured for wireless communication, comprising:
a memory comprising computer-executable instructions; and
a processor configured to execute the computer-executable instructions and cause the UE to:
allocate a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by the UE; and
monitor, from a network entity, PDCCH candidates in accordance with the allocated resource budget, wherein the PDCCH candidates include:
a first PDCCH candidate associated with the first type of DCI, and
a second PDCCH candidate associated with the second type of DCI, wherein the first PDCCH candidate and the second PDCCH candidate are decodable based on a same blind decode.
26. A network entity configured for wireless communication, comprising:
a memory comprising computer-executable instructions; and
a processor configured to execute the computer-executable instructions and cause the network entity to:
allocate a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by a user equipment (UE);
transmit, to the UE, signals indicating DCI via one or more PDCCH candidates allocated to the resource budget, wherein the PDCCH candidates include:
a first PDCCH candidate associated with the first type of DCI, and
a second PDCCH candidate associated with a second type of DCI, wherein the first PDCCH candidate and the second PDCCH candidate are decodable based on a same blind decode; and
communicate with the UE based on the indicated DCI.
27. A user equipment (UE) configured for wireless communication, comprising:
a memory comprising computer-executable instructions; and
a processor configured to execute the computer-executable instructions and cause the UE to:
allocate a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by the UE, wherein the number of CCEs includes a first number of CCEs associated with the first type of DCI and a second number of CCEs associated with the second type of DCI; and
monitor, from a network entity, PDCCH candidates in accordance with the allocated resource budget, wherein:
the processor being configured to monitor the PDCCH candidates comprises the processor being configured to process a plurality of CCEs;
the CCEs include a first set of one or more CCEs of a first PDCCH candidate associated with the first type of DCI and a second set of one or more CCEs of a second PDCCH candidate associated with the second type of DCI; and
the first set of one or more CCEs and the second set of one or more CCEs are able to be processed as a same set of one or more CCEs.
28. A network entity configured for wireless communication, comprising:
a memory comprising computer-executable instructions; and
a processor configured to execute the computer-executable instructions and cause the network entity to:
allocate a resource budget per a span of symbols among a first type of downlink control information (DCI) and a second type of DCI, wherein the resource budget includes a number of physical downlink control channel (PDCCH) blind decodes (BDs) and a number of control channel elements (CCEs) supported by a user equipment (UE), wherein the number of CCEs includes a first number of CCEs associated with the first type of DCI and a second number of CCEs associated with the second type of DCI;
transmit, to the UE, signals indicating DCI via one or more PDCCH candidates allocated to the resource budget, wherein the PDCCH candidates include:
a first set of one or more CCEs of a first PDCCH candidate associated with the first type of DCI, and
a second set of one or more CCEs of a second PDCCH candidate associated with the second type of DCI, wherein the first set of one or more CCEs and the second set of one or more CCEs are able to be processed as a same set of one or more CCEs; and
communicate with the UE based on the indicated DCI.