Techniques for unified physical downlink control channel configurations
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, configuration information for a physical downlink control channel (PDCCH) associated with single frequency network (SFN) transmissions and PDCCH repetitions, wherein the configuration information indicates a first control resource set (CORESET) and a second CORESET, wherein the first CORESET is associated with a first transmission configuration indicator (TCI) state and the second CORESET is associated with a second TCI state. The UE may receive, from the base station and based at least in part on the reception of the configuration information, at least one of one or more SFN PDCCH messages or one or more PDCCH repetitions. Numerous other aspects are described.
1. A method of wireless communication performed by a user equipment (UE), comprising:
receiving, from a network entity, configuration information for a physical downlink control channel (PDCCH) associated with single frequency network (SFN) transmissions and PDCCH repetitions, wherein the configuration information indicates a first control resource set (CORESET) and a second CORESET, wherein the first CORESET is associated with a first transmission configuration indicator (TCI) state and the second CORESET is associated with a second TCI state, and wherein receiving the configuration information comprises receiving an indication of a search space set that is associated with both the first CORESET and the second CORESET; and
receiving, from the network entity and based at least in part on whether both the first CORESET and the second CORESET that are associated with the search space set are activated, at least one of one or more SFN PDCCH messages or one or more PDCCH repetitions.
2. The method of claim 1 , wherein receiving the configuration information further comprises:
receiving an indication that the first CORESET is associated with a first set of configuration parameters and the second CORESET is associated with a second set of configuration parameters, wherein the first set of configuration parameters and the second set of configuration parameters indicate same information for one or more parameters, and indicate different information for a first parameter associated with a CORESET index and a second parameter associated with an active TCI state.
3. The method of claim 1 , further comprising:
receiving an indication to activate at least one of the first CORESET or the second CORESET.
4. The method of claim 3 , wherein the indication is an indication to activate both the first CORESET and the second CORESET and indicates that the configuration information is activated for the SFN transmissions.
5. The method of claim 3 , wherein the indication is an indication to activate one of the first CORESET or the second CORESET and indicates that the configuration information is activated for the PDCCH repetitions.
6. The method of claim 1 , further comprising:
receiving an indication that the configuration information is activated for the SFN transmissions or for the PDCCH repetitions.
7. The method of claim 1 , wherein the configuration information is activated for the SFN transmissions or for the PDCCH repetitions based at least in part on at least one of a first frequency domain resource allocation associated with the first CORESET or a second frequency domain resource allocation associated with the second CORESET.
8. The method of claim 1 , wherein receiving the configuration information further comprises:
receiving an indication that the first CORESET and the second CORESET are associated with same time domain resources and same frequency domain resources, wherein the first CORESET and the second CORESET being associated with the same time domain resources and the same frequency domain resources indicates that the configuration information is activated for SFN transmissions.
9. The method of claim 1 , wherein the receiving the at least one of the one or more SFN PDCCH messages or the one or more PDCCH repetitions comprises:
receiving the one or more SFN PDCCH messages based at least in part on both the first CORESET and the second CORESET, that are associated with the search space set, being activated; or
receiving the one or more PDCCH repetitions based at least in part on one of the first CORESET or the second CORESET, that are associated with the search space set, being activated.
10. A method of wireless communication performed by a network entity, comprising:
transmitting, to a user equipment (UE), configuration information for a physical downlink control channel (PDCCH) associated with single frequency network (SFN) transmissions and PDCCH repetitions, wherein the configuration information indicates a first control resource set (CORESET) and a second CORESET, wherein the first CORESET is associated with a first transmission configuration indicator (TCI) state and the second CORESET is associated with a second TCI state, and wherein transmitting the configuration information comprises transmitting an indication of a search space set that is associated with both the first CORESET and the second CORESET; and
transmitting, to the UE and based at least in part on whether both the first CORESET and the second CORESET that are associated with the search space set are activated, at least one of one or more SFN PDCCH messages or one or more PDCCH repetitions.
11. The method of claim 10 , wherein transmitting the configuration information further comprises:
transmitting an indication that the first CORESET is associated with a first set of configuration parameters and the second CORESET is associated with a second set of configuration parameters, wherein the first set of configuration parameters and the second set of configuration parameters indicate same information for one or more parameters, and indicate different information for a first parameter associated with a CORESET index and a second parameter associated with an active TCI state.
12. The method of claim 10 , further comprising:
transmitting an indication that the configuration information is activated for the SFN transmissions or for the PDCCH repetitions.
13. The method of claim 10 , wherein the configuration information is activated for the SFN transmissions or for the PDCCH repetitions based at least in part on at least one of a first frequency domain resource allocation associated with the first CORESET or a second frequency domain resource allocation associated with the second CORESET.
14. The method of claim 10 , further comprising:
transmitting an indication to activate at least one of the first CORESET or the second CORESET.
15. The method of claim 14 , wherein the transmission of the indication to activate at least one of the first CORESET or the second CORESET indicates that the configuration information is activated for the SFN transmissions.
16. The method of claim 10 , wherein transmitting the configuration information further comprises:
transmitting an indication that the first CORESET and the second CORESET are associated with same time domain resources and same frequency domain resources, wherein the first CORESET and the second CORESET being associated with the same time domain resources and the same frequency domain resources indicates that the configuration information is activated for SFN transmissions.
17. A user equipment (UE) for wireless communication, comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to:
receive, from a network entity, configuration information for a physical downlink control channel (PDCCH) associated with single frequency network (SFN) transmissions and PDCCH repetitions, wherein the configuration information indicates a first control resource set (CORESET) and a second CORESET, wherein the first CORESET is associated with a first transmission configuration indicator (TCI) state and the second CORESET is associated with a second TCI state, and wherein to receive the configuration information, the one or more processors are configured to receive an indication of a search space set that is associated with both the first CORESET and the second CORESET; and
receive, from the network entity and based at least in part on whether both the first CORESET and the second CORESET that are associated with the search space set are activated, at least one of one or more SFN PDCCH messages or one or more PDCCH repetitions.
18. The UE of claim 17 , wherein the one or more processors, to receive the configuration information, are further configured to:
receive an indication that the first CORESET is associated with a first set of configuration parameters and the second CORESET is associated with a second set of configuration parameters, wherein the first set of configuration parameters and the second set of configuration parameters indicate same information for one or more parameters, and indicate different information for a first parameter associated with a CORESET index and a second parameter associated with an active TCI state.
19. The UE of claim 17 , wherein the one or more processors are further configured to:
receive an indication to activate at least one of the first CORESET or the second CORESET.
20. The UE of claim 19 , wherein the reception of the indication to activate at least one of the first CORESET or the second CORESET indicates that the configuration information is activated for the SFN transmissions.
21. The UE of claim 17 , wherein the one or more processors are further configured to:
receive an indication that the configuration information is activated for the SFN transmissions or for the PDCCH repetitions.
22. The UE of claim 17 , wherein the configuration information is activated for the SFN transmissions or for the PDCCH repetitions based at least in part on at least one of a first frequency domain resource allocation associated with the first CORESET or a second frequency domain resource allocation associated with the second CORESET.
23. The UE of claim 17 , wherein the one or more processors, to receive the configuration information, are further configured to:
receive an indication that the first CORESET and the second CORESET are associated with same time domain resources and same frequency domain resources, wherein the first CORESET and the second CORESET being associated with the same time domain resources and the same frequency domain resources indicates that the configuration information is activated for SFN transmissions.
24. A network entity for wireless communication, comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to:
transmit, to a user equipment (UE), configuration information for a physical downlink control channel (PDCCH) associated with single frequency network (SFN) transmissions and PDCCH repetitions, wherein the configuration information indicates a first control resource set (CORESET) and a second CORESET, wherein the first CORESET is associated with a first transmission configuration indicator (TCI) state and the second CORESET is associated with a second TCI state, and wherein to transmit the configuration information, the one or more processers are configured to transmit an indication of a search space set that is associated with both the first CORESET and the second CORESET; and
transmit, to the UE and based at least in part on whether both the first CORESET and the second CORESET that are associated with the search space set are activated, at least one of one or more SFN PDCCH messages or one or more PDCCH repetitions.
25. The network entity of claim 24 , wherein the one or more processors, to transmit the configuration information, are configured to:
transmit an indication that the first CORESET is associated with a first set of configuration parameters and the second CORESET is associated with a second set of configuration parameters, wherein the first set of configuration parameters and the second set of configuration parameters indicate same information for one or more parameters, and indicate different information for a first parameter associated with a CORESET index and a second parameter associated with an active TCI state.
26. The network entity of claim 24 , wherein the one or more processors are further configured to:
transmit an indication that the configuration information is activated for the SFN transmissions or for the PDCCH repetitions.
27. The network entity of claim 24 , wherein the configuration information is activated for the SFN transmissions or for the PDCCH repetitions based at least in part on at least one of a first frequency domain resource allocation associated with the first CORESET or a second frequency domain resource allocation associated with the second CORESET.
28. The network entity of claim 24 , wherein the one or more processors are further configured to:
transmit an indication to activate at least one of the first CORESET or the second CORESET.