Bandwidth parts for a unicast sidelink network
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information to configure a sidelink channel, to be utilized by the UE to conduct unicast sidelink communication, with a plurality of bandwidth parts. The UE may transmit or receive data based at least in part on the plurality of bandwidth parts. Numerous other aspects are provided.
1. A user equipment (UE) for wireless communication, comprising:
a memory; and
one or more processors coupled to the memory, the one or more processors configured to:
receive configuration information to configure a sidelink channel with a plurality of unicast bandwidth parts to be utilized by the UE to conduct unicast sidelink communication with another UE; and
transmit or receive data in a unicast bandwidth part of the plurality of unicast bandwidth parts, wherein the unicast bandwidth part is selected based at least in part on an activation of a resource pool associated with the unicast bandwidth part.
2. The UE of claim 1 , wherein each of the plurality of unicast bandwidth parts is respectively associated with one or more resource pools.
3. The UE of claim 1 , wherein the one or more processors are further configured to:
switch from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part based at least in part on an activation or deactivation of an associated resource pool.
4. The UE of claim 1 , wherein the one or more processors are further configured to:
switch from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part based at least in part on a measure of quality associated with the unicast sidelink communication satisfying a threshold quality level.
5. The UE of claim 1 , wherein the one or more processors are further configured to:
receive, from a base station or a network node, a switching message for the UE to switch from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part.
6. The UE of claim 5 , wherein the switching message includes an index associated with the other unicast bandwidth part and an indication of a switch time, and
wherein the one or more processors are further configured to:
switch from utilizing the active unicast bandwidth part to utilizing the other unicast bandwidth part based at least in part on the index and the switch time.
7. The UE of claim 5 , wherein the one or more processors are further configured to:
transmit, based at least in part on receiving the switching message, a confirmation message or a rejection message associated with utilizing the other unicast bandwidth part.
8. The UE of claim 1 , wherein the one or more processors are further configured to:
receive, from a base station or a network node, a switching message to switch from utilizing an active unicast bandwidth part to utilizing another unicast bandwidth part, and
transmit the switching message to another UE conducting the unicast sidelink communication.
9. The UE of claim 1 , wherein the one or more processors are further configured to:
transmit, based at least in part on receiving a switching message, an assistance information message indicating a preference to utilize a preferred unicast bandwidth part.
10. The UE of claim 1 , wherein the one or more processors are further configured to:
receive, from another UE, a switching message for the UE to switch from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part.
11. The UE of claim 10 , wherein the one or more processors are further configured to:
transmit, based at least in part on receiving the switching message, a confirmation message or a rejection message associated with utilizing the other unicast bandwidth part.
12. The UE of claim 1 , wherein the one or more processors are further configured to:
transmit, to another UE, a switching message for the other UE to switch from utilizing an active unicast bandwidth part, actively utilized by the other UE, to utilizing another unicast bandwidth part.
13. The UE of claim 12 , wherein the one or more processors are further configured to:
receive, from the other UE, a confirmation message or a rejection message associated with utilizing the other unicast bandwidth part.
14. A method of wireless communication performed by a user equipment (UE), comprising:
receiving configuration information to configure a sidelink channel with a plurality of unicast bandwidth parts to be utilized by the UE to conduct unicast sidelink communication with another UE; and
transmitting or receiving data in a unicast bandwidth part of the plurality of unicast bandwidth parts, wherein the unicast bandwidth part is selected based at least in part on an activation of a resource pool associated with the unicast bandwidth part.
15. The method of claim 14 , wherein each of the plurality of unicast bandwidth parts is respectively associated with one or more resource pools.
16. The method of claim 14 , further comprising:
switching from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part based at least in part on an activation or deactivation of an associated resource pool.
17. The method of claim 14 , further comprising:
switching from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part based at least in part on a measure of quality associated with the unicast sidelink communication satisfying a threshold quality level.
18. The method of claim 14 , further comprising:
receiving, from a base station or a network node, a switching message for the UE to switch from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part.
19. The method of claim 18 , wherein the switching message includes an index associated with the other unicast bandwidth part and an indication of a switch time, and
wherein the method further comprises:
switching from utilizing the active unicast bandwidth part to utilizing the other unicast bandwidth part based at least in part on the index and the switch time.
20. The method of claim 18 , further comprising:
transmitting, based at least in part on receiving the switching message, a confirmation message or a rejection message associated with utilizing the other unicast bandwidth part.
21. The method of claim 14 , further comprising:
receiving, from a base station or a network node, a switching message to switch from utilizing an active unicast bandwidth part to utilizing another unicast bandwidth part, and
transmitting the switching message to another UE conducting the unicast sidelink communication.
22. The method of claim 14 , further comprising:
transmitting, based at least in part on receiving a switching message, an assistance information message indicating a preference to utilize a preferred unicast bandwidth part.
23. The method of claim 14 , further comprising:
receiving, from another UE, a switching message for the UE to switch from utilizing an active unicast bandwidth part, actively utilized by the UE, to utilizing another unicast bandwidth part.
24. The method of claim 23 , further comprising:
transmitting, based at least in part on receiving the switching message, a confirmation message or a rejection message associated with utilizing the other unicast bandwidth part.
25. The method of claim 14 , further comprising:
transmitting, to another UE, a switching message for the other UE to switch from utilizing an active unicast bandwidth part, actively utilized by the other UE, to utilizing another unicast bandwidth part.
26. The method of claim 25 , further comprising:
receiving, from the other UE, a confirmation message or a rejection message associated with utilizing the other unicast bandwidth part.
27. 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 user equipment (UE), cause the UE to:
receive configuration information to configure a sidelink channel with a plurality of unicast bandwidth parts to be utilized by the UE to conduct unicast sidelink communication with another UE; and
transmit or receive data in a unicast bandwidth part of the plurality of unicast bandwidth part, wherein the unicast bandwidth part is selected based at least in part on an activation of a resource pool associated with the unicast bandwidth part.
28. The non-transitory computer-readable medium of claim 27 , wherein each of the plurality of unicast bandwidth parts is respectively associated with one or more resource pools.
29. An apparatus for wireless communication, comprising:
means for receiving configuration information to configure a sidelink channel with a plurality of unicast bandwidth parts to be utilized by the apparatus to conduct unicast sidelink communication with another apparatus; and
means for transmitting or receiving data in a unicast bandwidth part of the plurality of unicast bandwidth parts, wherein the unicast bandwidth part is selected based at least in part on an activation of a resource pool associated with the unicast bandwidth part.
30. The apparatus of claim 29 , wherein each of the plurality of unicast bandwidth parts is respectively associated with one or more resource pools.