User equipment capability-based transmission configuration indicator state configuration
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information identifying a transmission configuration indicator (TCI) state mode, wherein the TCI state mode is a first TCI state mode or a second TCI state mode. The UE may communicate using a beam associated with the TCI state mode. Numerous other aspects are described.
1. A user equipment (UE) for wireless communication, comprising:
one or more memories comprising processor-executable instructions; and
one or more processors configured to execute the processor-executable instructions and cause the UE to:
receive configuration information identifying a transmission configuration indicator (TCI) state mode, wherein the TCI state mode is a first TCI state mode or a second TCI state mode, wherein the TCI state mode is configured for a carrier of a band, and wherein no other TCI state mode is configured for any of the other carriers of the band; and
communicate using a beam associated with the TCI state mode.
2. The UE of claim 1 , wherein the TCI state mode is unified TCI state or Release 15 (R15) or Release 16 (R16) TCI state.
3. The UE of claim 1 , wherein the TCI state mode is configured for a carrier of a band, and
wherein a third TCI state mode is configured for another carrier of another band.
4. The UE of claim 1 , wherein the TCI state mode is one of:
only a first type of beam indication with a first set of parameters,
only a second type of beam indication with a second set of parameters,
only a third type of beam indication with a third set of parameters,
at least one of the first, second, or third type of beam indication for a group of beams, or
a first one of the first, second, or third type of beam indication for a first beam of the group of beams and a second one of the first, second, or third type of beam indication for a second beam of the group of beams.
5. The UE of claim 1 , wherein the one or more processors are configured to cause the UE to:
transmit a report including a UE capability indicator identifying a capability of the UE associated with a transmission configuration indicator (TCI) state; and
wherein the one or more processors, that cause the UE to receive the configuration information identifying the TCI state mode, are configured to cause the UE to:
receive configuration information associated with a beam, wherein the beam is associated with a value of the UE capability indicator in the report.
6. The UE of claim 5 , wherein the value of the UE capability indicator in the report is associated with a deployment scenario of the UE.
7. The UE of claim 5 , wherein the UE capability indicator is associated with a communication direction.
8. The UE of claim 7 , wherein the report includes another UE capability indicator associated with another communication direction.
9. The UE of claim 5 , wherein the UE capability indicator indicates whether the UE supports a configuration relating to a beam misalignment event.
10. The UE of claim 9 , wherein the beam misalignment event is associated with a spatial relation reference signal in a TCI state not being a quasi-co-location type-D reference signal of a pathloss reference signal of an indicated quasi-co-location type-D reference signal of the pathloss reference signal.
11. The UE of claim 9 , wherein the beam misalignment event is associated with a spatial relation reference signal in a TCI state not being a pathloss reference signal when there is no indicated quasi-co-location type-D reference signal of the pathloss reference signal.
12. The UE of claim 9 , wherein the UE capability indicator indicates that the UE supports the configuration relating to the beam misalignment event, and
wherein the configuration information indicates, for the beam, the configuration relating to the beam misalignment event.
13. The UE of claim 1 , wherein the configuration information identifies a set of TCI state modes, and
wherein the one or more processors are further configured to cause the UE to:
receive dynamic signaling switching between TCI state modes of the set of TCI state modes.
14. A network entity for wireless communication, comprising:
one or more memories comprising processor-executable instructions; and
one or more processors configured to execute the processor-executable instructions and cause the network entity to:
transmit configuration information identifying a transmission configuration indicator (TCI) state mode, wherein the TCI state mode is a first TCI state mode or a second TCI state mode, wherein the TCI state mode is configured for a carrier of a band, and wherein no other TCI state mode is configured for any of the other carriers of the band; and
communicate using a beam associated with the TCI state mode.
15. The network entity of claim 14 , wherein the TCI state mode is unified TCI state or Release 15 (R15) or Release 16 (R16) TCI state.
16. The network entity of claim 14 , wherein the TCI state mode is configured for a carrier of a band, and
wherein a third TCI state mode is configured for another carrier of another band.
17. The network entity of claim 14 , wherein the TCI state mode is one of:
only a first type of beam indication with a first set of parameters,
only a second type of beam indication with a second set of parameters,
only a third type of beam indication with a third set of parameters,
at least one of the first, second, or third type of beam indication for a group of beams, or
a first one of the first, second, or third type of beam indication for a first beam of the group of beams and a second one of the first, second, or third type of beam indication for a second beam of the group of beams.
18. The network entity of claim 14 , comprising:
receive a report including a UE capability indicator identifying a capability of the UE associated with a transmission configuration indicator (TCI) state; and
wherein the one or more processors, to transmit the configuration information identifying the TCI state mode, are configured to:
transmit configuration information associated with a beam, wherein the beam is associated with a value of the UE capability indicator in the report.
19. The network entity of claim 18 , wherein the value of the UE capability indicator in the report is associated with a deployment scenario of the UE.
20. The network entity of claim 18 , wherein the UE capability indicator is associated with a communication direction.
21. The network entity of claim 20 , wherein the report includes another UE capability indicator associated with another communication direction.
22. The network entity of claim 18 , wherein the UE capability indicator indicates whether the UE supports a configuration relating to a beam misalignment event.
23. The network entity of claim 22 , wherein the beam misalignment event is associated with a spatial relation reference signal in a TCI state not being a quasi-co-location type-D reference signal of a pathloss reference signal of an indicated quasi-co-location type-D reference signal of the pathloss reference signal.
24. The network entity of claim 22 , wherein the beam misalignment event is associated with a spatial relation reference signal in a TCI state not being a pathloss reference signal when there is no indicated quasi-co-location type-D reference signal of the pathloss reference signal.
25. The network entity of claim 22 , wherein the UE capability indicator indicates that the UE supports the configuration relating to the beam misalignment event, and
wherein the configuration information indicates, for the beam, the configuration relating to the beam misalignment event.
26. The network entity of claim 18 , wherein the configuration information identifies a set of TCI state modes, and
wherein the one or more processors are further configured to:
transmit dynamic signaling switching between TCI state modes of the set of TCI state modes.
27. A method of wireless communication performed by a user equipment (UE), comprising:
receiving configuration information identifying a transmission configuration indicator (TCI) state mode, wherein the TCI state mode is a first TCI state mode or a second TCI state mode, wherein the TCI state mode is configured for a carrier of a band, and wherein no other TCI state mode is configured for any of the other carriers of the band; and
communicating using a beam associated with the TCI state mode.
28. A method of wireless communication performed by a network entity, comprising:
transmitting configuration information identifying a transmission configuration indicator (TCI) state mode, wherein the TCI state mode is a first TCI state mode or a second TCI state mode, wherein the TCI state mode is configured for a carrier of a band, and wherein no other TCI state mode is configured for any of the other carriers of the band; and
communicating using a beam associated with the TCI state mode.