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摘要

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify a channel sensing mode, from one or more channel sensing modes for sensing channel availability of a sidelink channel, for a communication on the sidelink channel, each of the one or more channel sensing modes associated with a set of resources. The UE may transmit, using resources selected from the set of resources associated with the channel sensing mode, the communication on the sidelink channel in accordance with the channel sensing mode. Numerous other aspects are provided.

說(shuō)明書(shū)

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CROSS-REFERENCE TO RELATED APPLICATION

This patent application claims priority to U.S. Provisional Patent Application No. 63/104,860, filed on Oct. 23, 2020, entitled “TECHNIQUES FOR CHANNEL SENSING MODE SELECTION,” and assigned to the assignee hereof. The disclosure of the prior application is considered part of and is incorporated by reference into this patent application.

FIELD OF THE DISCLOSURE

Aspects of the present disclosure generally relate to wireless communication and to techniques and apparatuses for channel sensing mode selection.

DESCRIPTION OF RELATED ART

Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts. Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, or the like). Examples of such multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency-division multiple access (FDMA) systems, orthogonal frequency-division multiple access (OFDMA) systems, single-carrier frequency-division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and Long Term Evolution (LTE). LTE/LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).

權(quán)利要求

1

What is claimed is:

1. A method of wireless communication performed by a user equipment (UE), comprising:receiving, from a transmitter, information to be used by the UE to identify a channel sensing mode, from one or more channel sensing modes for sensing channel availability of a sidelink channel, for a communication on the sidelink channel, wherein each of the one or more channel sensing modes are associated with a set of resources; and

transmitting, based at least in part on an identification of the channel sensing mode and using resources selected from the set of resources associated with the channel sensing mode, the communication on the sidelink channel in accordance with the channel sensing mode, wherein the identification of the channel sensing mode is based at least in part on the received information and a power constraint of the UE.

2. The method of claim 1, wherein transmitting the communication on the sidelink channel comprises:selecting resources associated with the sidelink channel for the communication in accordance with the channel sensing mode; and

transmitting, using the resources, the communication on the sidelink channel.

3. The method of claim 1, wherein the one or more channel sensing modes include at least one of:a first channel sensing mode associated with a channel sensing window that occurs before a resource selection trigger in a time domain,

a second channel sensing mode associated with a channel sensing window that occurs after a resource selection trigger in the time domain,

a third channel sensing mode associated with initiating sensing after a resource selection trigger, or

a fourth channel sensing mode that is associated with no channel sensing window.

4. The method of claim 1, wherein the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel comprises:determining a value of one or more parameters related to a quality of service (QOS) associated with the communication; and

identifying the channel sensing mode, from the one or more channel sensing modes, based at least in part on the value of the one or more parameters.

5. The method of claim 4, wherein identifying the channel sensing mode based at least in part on the value of the one or more parameters comprises determining at least one of:whether a transmission priority level, associated with the communication, satisfies a first threshold,

whether a packet delay budget value, associated with the communication, satisfies a second threshold, or

whether a remaining packet delay budget value, associated with the communication, satisfies a third threshold.

6. The method of claim 1, wherein the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel comprises:determining a transmission priority level associated with the communication;

determining whether the transmission priority level satisfies a threshold; and

identifying the channel sensing mode, from the one or more channel sensing modes, based at least in part on the determination of whether the transmission priority level satisfies the threshold.

7. The method of claim 1, wherein the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel comprises:determining a packet delay budget value associated with the communication;

determining whether the packet delay budget value satisfies a threshold; and

identifying the channel sensing mode, from the one or more channel sensing modes, based at least in part on the determination of whether the packet delay budget value satisfies the threshold.

8. The method of claim 1, wherein the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel comprises:determining a remaining packet delay budget value associated with the communication;

determining whether the remaining packet delay budget value satisfies a threshold; and

identifying the channel sensing mode, from the one or more channel sensing modes, based at least in part on the determination of whether the remaining packet delay budget value satisfies the threshold.

9. The method of claim 1, wherein receiving the information from the transmitter comprises:receiving, from the transmitter, an indication of the channel sensing mode to be used by the UE,

wherein the identification of the channel sensing mode, from the one or more channel sensing modes, is based at least in part on the indication of the channel sensing mode to be used by the UE.

10. The method of claim 1, wherein the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel comprises:identifying the channel sensing mode, from the one or more channel sensing modes, based at least in part on a configuration in the received information.

11. The method of claim 1, wherein the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel comprises:identifying the channel sensing mode, from the one or more channel sensing modes, based at least in part on a value associated with one or more parameters corresponding to the power constraint of the UE.

12. The method of claim 1, further comprising:determining whether the UE is enabled to change the channel sensing mode associated with the UE based at least in part on a configuration in the received information.

13. The method of claim 1, wherein the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel comprises:determining one or more permitted channel sensing modes from the one or more channel sensing modes; and

identifying the channel sensing mode, from the one or more permitted channel sensing modes, based at least in part on the determination of the one or more permitted channel sensing modes.

14. A user equipment (UE) for wireless communication, comprising:one or more memories; and

one or more processors, coupled to the one or more memories, configured to:receive, from a transmitter, information to be used by the UE to identify a channel sensing mode, from one or more channel sensing modes for sensing channel availability of a sidelink channel, for a communication on the sidelink channel, wherein each of the one or more channel sensing modes are associated with a set of resources; and

transmit, based at least in part on an identification of the channel sensing mode and using resources selected from the set of resources associated with the channel sensing mode, the communication on the sidelink channel in accordance with the channel sensing mode, wherein the identification of the channel sensing mode is based at least in part on the received information and a power constraint of the UE.

15. The UE of claim 14, wherein the one or more processors, to transmit the communication on the sidelink channel, are configured to:select resources associated with the sidelink channel for the communication in accordance with the channel sensing mode; and

transmit, using the resources, the communication on the sidelink channel.

16. The UE of claim 14, wherein the one or more channel sensing modes include at least one of:a first channel sensing mode associated with a channel sensing window that occurs before a resource selection trigger in a time domain,

a second channel sensing mode associated with a channel sensing window that occurs after a resource selection trigger in the time domain,

a third channel sensing mode associated with initiating sensing after a resource selection trigger, or

a fourth channel sensing mode that is associated with no channel sensing window.

17. The UE of claim 14, wherein the one or more processors, to perform the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel, are configured to:determine a value of one or more parameters related to a quality of service (QOS) associated with the communication; and

identify the channel sensing mode, from the one or more channel sensing modes, based at least in part on the value of the one or more parameters.

18. The UE of claim 17, wherein the one or more processors, to identify the channel sensing mode based at least in part on the value of the one or more parameters, are configured to determine at least one of:whether a transmission priority level, associated with the communication, satisfies a first threshold,

whether a packet delay budget value, associated with the communication, satisfies a second threshold, or

whether a remaining packet delay budget value, associated with the communication, satisfies a third threshold.

19. The UE of claim 14, wherein the one or more processors, to perform the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel, are configured to:determine a transmission priority level associated with the communication;

determine whether the transmission priority level satisfies a threshold; and

identify the channel sensing mode, from the one or more channel sensing modes, based at least in part on the determination of whether the transmission priority level satisfies the threshold.

20. The UE of claim 14, wherein the one or more processors, to perform the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel, are configured to:determine a packet delay budget value associated with the communication;

determine whether the packet delay budget value satisfies a threshold; and

identify the channel sensing mode, from the one or more channel sensing modes, based at least in part on the determination of whether the packet delay budget value satisfies the threshold.

21. The UE of claim 14, wherein the one or more processors, to perform the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel, are configured to:determine a remaining packet delay budget value associated with the communication;

determine whether the remaining packet delay budget value satisfies a threshold; and

identify the channel sensing mode, from the one or more channel sensing modes, based at least in part on the determination of whether the remaining packet delay budget value satisfies the threshold.

22. The UE of claim 14, wherein the one or more processors, to receive the information from the transmitter, are configured to:receive, from the transmitter, an indication of the channel sensing mode to be used by the UE,

wherein the identification of the channel sensing mode, from the one or more channel sensing modes, is based at least in part on the indication of the channel sensing mode to be used by the UE.

23. The UE of claim 14, wherein the one or more processors, to perform the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel, are configured to:identify the channel sensing mode, from the one or more channel sensing modes, based at least in part on a configuration in the received information.

24. The UE of claim 14, wherein the one or more processors, to perform the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel, are configured to:identify the channel sensing mode, from the one or more channel sensing modes, based at least in part on a value associated with one or more parameters corresponding to the power constraint of the UE.

25. The UE of claim 14, wherein the one or more processors are further configured to:determine whether the UE is enabled to change the channel sensing mode associated with the UE based at least in part on a configuration in the received information.

26. The UE of claim 14, wherein the one or more processors, to perform the identification of the channel sensing mode, from the one or more channel sensing modes for sensing channel availability of the sidelink channel, for the communication on the sidelink channel, are configured to:determine one or more permitted channel sensing modes from the one or more channel sensing modes; and

identify the channel sensing mode, from the one or more permitted channel sensing modes, based at least in part on the determination of the one or more permitted channel sensing modes.

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, from a transmitter, information to be used by the UE to identify a channel sensing mode, from one or more channel sensing modes for sensing channel availability of a sidelink channel, for a communication on the sidelink channel, wherein each of the one or more channel sensing modes are associated with a set of resources; and

transmit, based at least in part on an identification of the channel sensing mode and using resources selected from the set of resources associated with the channel sensing mode, the communication on the sidelink channel in accordance with the channel sensing mode, wherein the identification of the channel sensing mode is based at least in part on the received information and a power constraint of the UE.

28. The non-transitory computer-readable medium of claim 27, wherein the one or more instructions, that cause the UE to transmit the communication on the sidelink channel, cause the UE to:select resources associated with the sidelink channel for the communication in accordance with the channel sensing mode; and

transmit, using the resources, the communication on the sidelink channel.

29. An apparatus for wireless communication, comprising:means for receiving, from a transmitter, information to be used by the apparatus to identify a channel sensing mode, from one or more channel sensing modes for sensing channel availability of a sidelink channel, for a communication on the sidelink channel, wherein each of the one or more channel sensing modes are associated with a set of resources; and

means for transmitting, based at least in part on an identification of the channel sensing mode and using resources selected from the set of resources associated with the channel sensing mode, the communication on the sidelink channel in accordance with the channel sensing mode, wherein the identification of the channel sensing mode is based at least in part on the received information and a power constraint of the apparatus.

30. The apparatus of claim 29, wherein the means for transmitting the communication on the sidelink channel comprises:means for selecting resources associated with the sidelink channel for the communication in accordance with the channel sensing mode; and

means for transmitting, using the resources, the communication on the sidelink channel.

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Techniques for channel sensing mode selection

摘要

說(shuō)明書(shū)

權(quán)利要求

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Techniques for channel sensing mode selection

摘要

說(shuō)明書(shū)

權(quán)利要求

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