Wireless node self-interference measurements and uplink beam management for full duplex transmissions
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless node may determine, from a plurality of beams associated with the first wireless node, a set of suitable uplink beams and a set of suitable downlink beams, wherein the set of suitable UL beams and the set of suitable DL beams are suitable for full duplex communications, and transmit, to a second wireless node, an indication of the set of suitable uplink beams and the set of suitable downlink beams. Numerous other aspects are provided.
1. A first wireless node 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 second wireless node, an indication of a set of suitable uplink (UL) beams and a set of suitable downlink (DL) beams from a plurality of beams associated with the first wireless node, wherein the set of suitable UL beams and the set of suitable DL beams are suitable for full duplex communications; and
communicate with the second wireless node based at least in part on the indication of the set of suitable UL beams and the set of suitable DL beams.
2. The first wireless node of claim 1 , wherein the one or more processors are further configured to:
perform a self-interference measurement (SIM) associated with an UL transmit (Tx) beam, from the set of suitable UL beams, from one panel of the first wireless node and a DL receive (Rx) beam, from the set of suitable DL beams, from another panel of the first wireless node; and
transmit a measurement report indicating the SIM.
3. The first wireless node of claim 1 , wherein the one or more processors are further configured to:
determine that a beam is suitable for at least one of UL transmission or DL reception based at least in part on at least one of:
a maximum permissible exposure (MPE) limit associated with the beam,
a panel of the first wireless node associated with the beam,
a full duplex transmit/receive (Tx/Rx) capability of the first wireless node,
a channel associated with a DL and UL beam pair, or
a transmit power associated with the beam.
4. The first wireless node of claim 1 , wherein the one or more processors, to transmit the indication, are configured to transmit the indication using radio resource control signaling.
5. The first wireless node of claim 1 , wherein the one or more processors, to transmit the indication, are configured to dynamically transmit the indication using UL control signaling.
6. The first wireless node of claim 1 , wherein the one or more processors are further configured to:
determine that a beam group is suitable for at least one of UL transmission or DL reception based at least in part on at least one of:
a maximum permissible exposure (MPE) limit associated with the beam group,
a panel of the first wireless node associated with the beam group, or
a combination thereof; and
wherein the indication of the set of suitable uplink (UL) beams and the set of suitable downlink (DL) beams is based at least in part on the beam group.
7. The first wireless node of claim 6 , wherein the beam group comprises beams associated with a same antenna panel of the first wireless node.
8. A method of wireless communication performed by a first wireless node, comprising:
transmitting, to a second wireless node, an indication of a set of suitable uplink (UL) beams and a set of suitable downlink (DL) beams from a plurality of beams associated with the first wireless node, wherein the set of suitable UL beams and the set of suitable DL beams are suitable for full duplex communications; and
communicating with the second wireless node based at least in part on the indication of the set of suitable UL beams and the set of suitable DL beams.
9. The method of claim 8 , further comprising:
performing a self-interference measurement (SIM) associated with an UL transmit (Tx) beam, from the set of suitable UL beams, from one panel of the first wireless node and a DL receive (Rx) beam, from the set of suitable DL beams, from another panel of the first wireless node; and
transmitting a measurement report indicating the SIM.
10. The method of claim 8 , further comprising:
determining that a beam is suitable for at least one of UL transmission or DL reception based at least in part on at least one of:
a maximum permissible exposure (MPE) limit associated with the beam,
a panel of the first wireless node associated with the beam,
a full duplex transmit/receive (Tx/Rx) capability of the first wireless node,
a channel associated with a DL and UL beam pair, or
a transmit power associated with the beam.
11. The method of claim 8 , wherein transmitting the indication comprises transmitting the indication using radio resource control signaling.
12. The method of claim 8 , wherein transmitting the indication comprises dynamically transmitting the indication using UL control signaling.
13. The method of claim 8 , further comprising:
determining that a beam group is suitable for at least one of UL transmission or DL reception based at least in part on at least one of:
a maximum permissible exposure (MPE) limit associated with the beam group,
a panel of the first wireless node associated with the beam group, or
a combination thereof; and
wherein the indication of the set of suitable uplink (UL) beams and the set of suitable downlink (DL) beams is based at least in part on the beam group.
14. The method of claim 13 , wherein the beam group comprises beams associated with a same antenna panel of the first wireless node.
15. A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:
one or more instructions that, when executed by one or more processors of a first wireless node, cause the wireless node to:
transmit, to a second wireless node, an indication of a set of suitable uplink (UL) beams and a set of suitable downlink (DL) beams from a plurality of beams associated with the first wireless node, wherein the set of suitable UL beams and the set of suitable DL beams are suitable for full duplex communications; and
communicate with the second wireless node based at least in part on the indication of the set of suitable UL beams and the set of suitable DL beams.
16. The non-transitory computer-readable medium of claim 15 , wherein the one or more instructions further cause the wireless node to:
perform a self-interference measurement (SIM) associated with an UL transmit (Tx) beam, from the set of suitable UL beams, from one panel of the first wireless node, and a DL receive (Rx) beam, from the set of suitable DL beams, from another panel of the first wireless node; and
transmit a measurement report indicating the SIM.
17. The non-transitory computer-readable medium of claim 15 , wherein the one or more instructions further cause the wireless node to:
determine that a beam is suitable for at least one of UL transmission or DL reception based at least in part on at least one of:
a maximum permissible exposure (MPE) limit associated with the beam,
a panel of the first wireless node associated with the beam,
a full duplex transmit/receive (Tx/Rx) capability of the first wireless node,
a channel associated with a DL and UL beam pair, or
a transmit power associated with the beam.
18. The non-transitory computer-readable medium of claim 15 , wherein the one or more instructions, to cause the wireless node to transmit the indication, cause the wireless node to transmit the indication using radio resource control signaling.
19. The non-transitory computer-readable medium of claim 15 , wherein the one or more instructions, to cause the wireless node to transmit the indication, cause the wireless node to dynamically transmit the indication using UL control signaling.
20. The non-transitory computer-readable medium of claim 15 , wherein the one or more instructions further cause the wireless node to:
determine that a beam group is suitable for at least one of UL transmission or DL reception based at least in part on at least one of:
a maximum permissible exposure (MPE) limit associated with the beam group,
a panel of the first wireless node associated with the beam group, or
a combination thereof; and
wherein the indication of the set of suitable uplink (UL) beams and the set of suitable downlink (DL) beams is based at least in part on the beam group.