Sidelink feedback format
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive at least one sidelink communication on a sidelink, wherein the at least one sidelink communication includes at least one of a grant, data received on a resource identified by a grant, a multi-stage grant, a multi-packet grant, or a relaying communication; and transmit, on the sidelink or an uplink, a feedback message including a plurality of acknowledgements in connection with receiving the at least one sidelink communication. Numerous other aspects are provided.
1. A method of wireless communication performed by a wireless communication device, comprising:
receiving at least one sidelink communication on a sidelink, wherein the at least one sidelink communication includes at least one of a grant for a transmission on a physical sidelink shared channel, a multi-stage grant for a transmission on the physical sidelink shared channel, a multi-packet grant for a transmission on the physical sidelink shared channel, or a relaying communication on the physical sidelink shared channel; and
transmitting, on the sidelink or an uplink, a feedback message including a plurality of acknowledgements, wherein at least one of the plurality of acknowledgements is for the grant, the multi-stage grant, the multi-packet grant, or the relaying communication received on the sidelink, wherein the feedback message is associated with an indication that the feedback message includes the plurality of acknowledgments, and wherein the feedback message is quasi-co-located with at least one packet of the at least one sidelink communication.
2. The method of claim 1 , wherein the feedback message is a physical sidelink control channel format message including the indication that the feedback message includes the plurality of acknowledgments.
3. The method of claim 2 , wherein a resource for the feedback message is pre-configured.
4. The method of claim 1 , wherein the feedback message is a medium access control (MAC) control element format message.
5. The method of claim 1 , wherein the feedback message is associated with a static resource or modulation and coding scheme.
6. The method of claim 1 , wherein the feedback message is a physical uplink shared channel message.
7. The method of claim 1 , wherein the wireless communication device is configured to process the feedback message using a physical layer transmit chain.
8. The method of claim 1 , further comprising:
transmitting or receiving the indication that the feedback message includes the plurality of acknowledgements.
9. The method of claim 8 , wherein the indication is included in at least one of:
a grant,
a physical sidelink control channel communication,
a physical sidelink shared channel communication,
a physical downlink control channel communication,
a physical uplink shared channel communication, or
some combination thereof.
10. The method of claim 8 , further comprising:
receiving or transmitting another feedback message as a response to transmitting or receiving the indication.
11. The method of claim 1 , further comprising:
identifying a resource allocation for transmitting the feedback message; and
wherein transmitting the feedback message comprises:
transmitting the feedback message using the resource allocation.
12. The method of claim 11 , wherein the resource allocation is identified based at least in part on a scheduling physical sidelink control channel.
13. The method of claim 11 , wherein the resource allocation includes at least one of a time allocation, a frequency allocation, a beam allocation, or some combination thereof.
14. The method of claim 11 , wherein the resource allocation is based at least in part on a destination wireless node for the feedback message.
15. The method of claim 1 , further comprising:
selecting a packet of the at least one sidelink communication, with which to quasi-co-locate the feedback message.
16. A wireless communication device for wireless communication, comprising:
one or more memories; and
one or more processors operatively coupled to the one or more memories, the one or more memories and the one or more processors configured to:
receive at least one sidelink communication on a sidelink, wherein the at least one sidelink communication includes at least one of a grant for a transmission on a physical sidelink shared channel, a multi-stage grant for a transmission on the physical sidelink shared channel, a multi-packet grant for a transmission on the physical sidelink shared channel, or a relaying communication on the physical sidelink shared channel; and
transmit, on the sidelink or an uplink, a feedback message including a plurality of acknowledgements, wherein at least one of the plurality of acknowledgements is for the grant, the multi-stage grant, the multi-packet grant, or the relaying communication received on the sidelink, wherein the feedback message is associated with an indication that the feedback message includes the plurality of acknowledgments, and wherein the feedback message is quasi-co-located with at least one packet of the at least one sidelink communication.
17. The wireless communication device of claim 16 , wherein the feedback message is a physical sidelink control channel format message including the indication that the feedback message includes the plurality of acknowledgments.
18. The wireless communication device of claim 17 , wherein a resource for the feedback message is pre-configured.
19. The wireless communication device of claim 16 , wherein the feedback message is a medium access control (MAC) control element format message.
20. The wireless communication device of claim 16 , wherein the feedback message is associated with a static resource or modulation and coding scheme.
21. The wireless communication device of claim 16 , wherein the feedback message is a physical uplink shared channel message.
22. The wireless communication device of claim 16 , wherein the wireless communication device is configured to process the feedback message using a physical layer transmit chain.
23. The wireless communication device of claim 16 , wherein the one or more processors are further configured to:
transmit or receive the indication that the feedback message includes the plurality of acknowledgements.
24. The wireless communication device of claim 23 , wherein the indication is included in at least one of:
a grant,
a physical sidelink control channel communication,
a physical sidelink shared channel communication,
a physical downlink control channel communication,
a physical uplink shared channel communication, or
some combination thereof.
25. The wireless communication device of claim 23 , wherein the one or more processors are further configured to:
receive or transmit another feedback message as a response to transmitting or receiving the indication.
26. The wireless communication device of claim 16 , wherein the one or more processors are further configured to:
identify a resource allocation for transmitting the feedback message; and
wherein the one or more processors, when transmitting the feedback message, are configured to:
transmit the feedback message using the resource allocation.
27. The wireless communication device of claim 26 , wherein the resource allocation is identified based at least in part on a scheduling physical sidelink control channel.
28. The wireless communication device of claim 26 , wherein the resource allocation includes at least one of a time allocation, a frequency allocation, a beam allocation, or some combination thereof.
29. A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising:
one or more instructions that, when executed by one or more processors of a wireless communication device, cause the one or more processors to:
receive at least one sidelink communication on a sidelink, wherein the at least one sidelink communication includes at least one of a grant for a transmission on a physical sidelink shared channel, a multi-stage grant for a transmission on the physical sidelink shared channel, a multi-packet grant for a transmission on the physical sidelink shared channel, or a relaying communication on the physical sidelink shared channel; and
transmit, on the sidelink or an uplink, a feedback message including a plurality of acknowledgements, wherein at least one of the plurality of acknowledgements is for the grant, the multi-stage grant, the multi-packet grant, or the relaying communication received on the sidelink, wherein the feedback message is associated with an indication that the feedback message includes the plurality of acknowledgments, and wherein the feedback message is quasi-co-located with at least one packet of the at least one sidelink communication.
30. An apparatus for wireless communication, comprising:
means for receiving at least one sidelink communication on a sidelink, wherein the at least one sidelink communication includes at least one of a grant for a transmission on a physical sidelink shared channel, a multi-stage grant for a transmission on the physical sidelink shared channel, a multi-packet grant for a transmission on the physical sidelink shared channel, or a relaying communication on the physical sidelink shared channel; and
means for transmitting, on the sidelink or an uplink, a feedback message including a plurality of acknowledgements, wherein at least one of the plurality of acknowledgements is for the grant, the multi-stage grant, the multi-packet grant, or the relaying communication received on the sidelink, wherein the feedback message is associated with an indication that the feedback message includes the plurality of acknowledgments, and wherein the feedback message is quasi-co-located with at least one packet of the at least one sidelink communication.