Common beam direction indication for single-target and multi-target communications

1 . A method for wireless communication performed at a wireless communication device, the method comprising:

communicating a configuration associated with a plurality of transmission configuration indications (TCIs);

communicating a first indication of a first TCI of the plurality of TCIs, wherein the first indication indicates that the first TCI is associated exclusively with a single first signal;

communicating a second indication of a second TCI of the plurality of TCIs, wherein the second indication indicates that the second TCI is associated with a plurality of second signals, and wherein the first indication and the second indication are active concurrently during a same time period;

communicating, based on the first TCI, the single first signal; and communicating, based on the second TCI, the plurality of second signals, wherein the first TCI associated with the single first signal and the second TCI associated with the plurality of second signals correspond to a common TCI.

2 . The method of claim 1 ,

wherein the second TCI includes a joint uplink/downlink (UL/DL) common TCI state indicating a beam pair associated with:

at least one of a DL channel signal or a DL reference signal, and

at least one of a UL channel signal or a UL reference signal.

3 . The method of claim 1 ,

wherein the second TCI includes a downlink (DL) common TCI state indicating a common beam associated with at least two of: a first DL channel signal, a second DL channel signal, a first DL reference signal, or a second DL reference signal.

4 . The method of claim 1 ,

wherein the second TCI includes a uplink (UL) common TCI state indicating a common beam associated with at least two of a first UL channel signal, a second UL channel signal, a first UL reference signal, or a second UL reference signal.

5 . The method of claim 1 , wherein:

the communicating the first indication comprises:

communicating a first radio resource configuration (RRC) configuration comprising the first indication, and

the communicating the second indication comprises:

communicating a second RRC configuration comprising the second indication.

6 . The method of claim 1 , wherein:

the communicating the first indication comprises:

communicating a first medium access control-control element (MAC-CE) comprising the first indication, and

the communicating the second indication comprises:

communicating a second MAC-CE comprising the second indication.

7 . The method of claim 6 , wherein:

a type of the first MAC-CE indicates the first indication, and

a type of the second MAC-CE indicates the second indication.

8 . The method of claim 6 , wherein:

the first MAC-CE comprises a first field comprising the first indication, and

the second MAC-CE comprises a second field comprising the second indication.

9 . The method of claim 1 , wherein:

the communicating the first indication comprises:

communicating a first downlink control information (DCI) comprising the first indication, and

the communicating the second indication comprises:

communicating a second DCI comprising the second indication.

10 . The method of claim 1 , further comprising:

communicating an indication indicating that the common TCI is associated with a single-target beam indication or a multiple-target beam indication.

11 . The method of claim 1 ,

wherein a first subset of the plurality of TCIs are associated with a single-target beam indication, and

wherein a second subset of the plurality of TCIs are associated with a multiple-target beam indication and non-overlaps with the first subset of the plurality of TCIs,

wherein the first TCI is within the first subset of the plurality of TCIs, and

wherein the second TCI is within the second subset of the plurality of TCIs.

12 . The method of claim 11 ,

wherein the configuration associated with the plurality of TCIs further indicates:

a first TCI pool associated with the single-target beam indication and includes the first subset of the plurality of TCIs, and

a second TCI pool associated with multiple-target beam indication and includes the second subset of the plurality of TCIs.

13 . The method of claim 1 , wherein:

the wireless communication device includes a user equipment (UE),

communicating the configuration comprises receiving the configuration,

communicating the first indication comprises receiving the first indication, and

communicating the second indication comprises receiving the second indication.

14 . The method of claim 1 , wherein:

the wireless communication device includes a network entity,

communicating the configuration comprises transmitting the configuration,

communicating the first indication comprises transmitting the first indication, and

communicating the second indication comprises transmitting the second indication.

15 . The method of claim 1 ,

wherein the communicating the first indication and the communicating the second indication occur simultaneously.

16 . A wireless node, comprising:

at least one transceiver;

at least one memory comprising instructions; and

at least one processor configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, a configuration associated with a plurality of transmission configuration indications (TCIs);

communicate, via the at least one transceiver, a first indication of a first TCI of the plurality of TCIs, wherein the first indication indicates that the first TCI is associated exclusively with a single first signal;

communicate, via the at least one transceiver, a second indication of a second TCI of the plurality of TCIs, wherein the second indication indicates that the second TCI is associated with a plurality of second signals, and wherein the first indication and the second indication are active concurrently during a same time period;

communicate, via the at least one transceiver and based on the first TCI, the single first signal; and

communicate, via the at least one transceiver and based on the second TCI, the plurality of second signals, wherein:

the first TCI associated with the single first signal and the second TCI associated with the plurality of second signals correspond to a common TCI.

17 . The wireless node of claim 16 ,

wherein the second TCI includes a joint uplink/downlink (UL/DL) common TCI state indicating a beam pair associated with:

at least one of a DL channel signal or a DL reference signal; and

at least one of a UL channel signal or a UL reference signal.

18 . The wireless node of claim 16 , wherein:

to communicate the first indication, the at least one processor is configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, a first radio resource configuration (RRC) configuration comprising the first indication, and

to communicate the second indication, the at least one processor is configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, a second RRC configuration comprising the second indication.

19 . The wireless node of claim 16 , wherein:

to communicate the first indication, the at least one processor is configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, a first medium access control-control element (MAC-CE) comprising the first indication, and

to communicate the second indication, the at least one processor is configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, a second MAC-CE comprising the second indication.

20 . The wireless node of claim 19 , wherein:

a type of the first MAC-CE indicates the first indication, and

a type of the second MAC-CE indicates the second indication.

21 . The wireless node of claim 19 , wherein:

the first MAC-CE comprises a first field comprising the first indication, and

the second MAC-CE comprises a second field comprising the second indication.

22 . The wireless node of claim 16 , wherein:

to communicate the first indication, the at least one processor is configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, a first downlink control information (DCI) comprising the first indication, and

to communicate the second indication, the at least one processor is configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, a second DCI comprising the second indication.

23 . The wireless node of claim 16 ,

wherein the at least one processor is further configured to execute the instructions to cause the wireless node to:

communicate, via the at least one transceiver, an indication indicating that the common TCI is associated with a single-target beam indication or a multiple-target beam indication.

24 . The wireless node of claim 16 ,

wherein a first subset of the plurality of TCIs are associated with a single-target beam indication, and

wherein a second subset of the plurality of TCIs are associated with a multiple-target beam indication and non-overlaps with the first subset of the plurality of TCIs,

wherein the first TCI is within the first subset of the plurality of TCIs, and

wherein the second TCI is within the second subset of the plurality of TCIs.

25 . The wireless node of claim 24 ,

wherein the configuration associated with the plurality of TCIs further indicates:

a first TCI pool associated with the single-target beam indication and including the first subset of the plurality of TCIs, and

a second TCI pool associated with a multi-target beam indication and including the second subset of the plurality of TCIs.

26 . The wireless node of claim 16 , wherein:

the wireless node comprises a user equipment (UE),

to communicate the configuration, the at least one processor is configured to execute the instructions to cause the UE to:

receive, via the at least one transceiver, the configuration,

to communicate the first indication, the at least one processor is configured to execute the instructions to cause the UE to:

receive, via the at least one transceiver, the first indication, and

to communicate the second indication, the at least one processor is configured to execute the instructions to cause the UE to:

receive, via the at least one transceiver, the second indication.

27 . The wireless node of claim 16 , wherein:

the wireless node comprises a network entity,

to communicate the configuration, the at least one processor is configured to execute the instructions to cause the network entity to:

transmit, via the at least one transceiver, the configuration,

to communicate the configuration, the at least one processor is configured to execute the instructions to cause the network entity to:

transmit, via the at least one transceiver, the first indication, and

to communicate the configuration, the at least one processor is configured to execute the instructions to cause the network entity to:

transmit, via the at least one transceiver, the second indication.

28 . The wireless node of claim 16 ,

wherein the first indication and the second indication are simultaneously communicated.

29 . A non-transitory computer-readable medium storing a set of instructions, the set of instructions comprising:

one or more instructions that, when executed by one or more processors of a wireless node, cause the wireless node to:

communicate a configuration associated with a plurality of transmission configuration indications (TCIs);

communicate a first indication of a first TCI of the plurality of TCIs, wherein the first indication indicates that the first TCI is associated exclusively with a single first signal;

communicate a second indication of a second TCI of the plurality of TCIs, wherein the second indication indicates that the second TCI is associated with a plurality of second signals, and wherein the first indication and the second indication are active concurrently during a same time period;

communicate, based on the first TCI, the single first signal; and

communicate, based on the second TCI, the plurality of second signals, wherein:

the first TCI associated with the single first signal and the second TCI associated with the plurality of second signals correspond to a common TCI.

30 . A wireless node, comprising:

means for communicating a configuration associated with a plurality of transmission configuration indications (TCIs);

means for communicating a first indication of a first TCI of the plurality of TCIs, wherein the first indication indicates that the first TCI is associated exclusively with a single first signal;

means for communicating a second indication of a second TCI of the plurality of TCIs, wherein the second indication indicates that the second TCI is associated with a plurality of second signals, and wherein the first indication and the second indication are active concurrently during a same time period;

means for communicating, based on the first TCI, the single first signal; and

means for communicating, based on the second TCI, the plurality of second signals, wherein:

the first TCI associated with the single first signal and the second TCI associated with the plurality of second signals correspond to a common TCI.