Granted Patent B2

US 12,563,531 · App. 18/301,067 · Granted Feb 24, 2026

Inventors: Seyed Ali Akbar Fakoorian (San Diego, CA); Jing Sun (San Diego, CA); Xiaoxia Zhang (San Diego, CA)

Assignee: QUALCOMM Incorporated

H04W72/02H04B1/7143H04L1/0071H04L27/26025H04W28/26H04W72/0453H04W74/0816H04W92/18

Abstract

Claims (82)

1 . A method for wireless communication implemented by a first user equipment (UE), comprising:

identifying a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

performing a listen-before-talk procedure to gain access to the shared radio frequency spectrum band for a channel occupancy time to transmit sidelink data to a second UE, the channel occupancy time spanning at least a first time interval and a second time interval of the plurality of contiguous time intervals;

identifying a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting the sidelink data in the first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in the second time interval of the plurality of contiguous time intervals; and

transmitting, to the second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern.

2 . The method of claim 1 , further comprising:

receiving control information indicating at least one set of interleaved frequency resources that is available for each time interval of the plurality of contiguous time intervals, wherein identifying the frequency hopping pattern comprising the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval is based at least in part on receiving the control information.

3 . The method of claim 1 , further comprising:

transmitting, in the first time interval, an indication of the first set of interleaved frequency resources used for transmitting the sidelink data in the first time interval; and

transmitting, in the second time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

4 . The method of claim 1 , further comprising:

transmitting, in the first time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

5 . A method for wireless communication implemented by a first user equipment (UE), comprising:

identifying a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

identifying a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting sidelink data in a first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in a second time interval of the plurality of contiguous time intervals;

transmitting, to a second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern; and

transmitting, in the first time interval, the second time interval, or both, an indication of the frequency hopping pattern used by the first UE to transmit the sidelink data on the first set of interleaved frequency resources in the first time interval and on the second set of interleaved frequency resources in the second time interval.

6 . The method of claim 1 , further comprising:

transmitting an indication of gaps in the first time interval, the second time interval, or both, allocated for other UEs to perform listen-before-talk procedures to gain access to the shared radio frequency spectrum band.

7 . The method of claim 1 , wherein:

respective sets of interleaved frequency resources available to the first UE for sidelink communications in each time interval of the plurality of contiguous time intervals are based at least in part on a subcarrier spacing of a respective time interval, a sidelink identification (ID) of the first UE, a resource pool ID of a respective set of interleaved frequency resources, one or more parameters associated with group hopping of frequency resources, or a combination thereof.

8 . An apparatus for wireless communication at a first user equipment (UE), comprising:

one or more processors; and

memory coupled with the one or more processors, wherein the memory comprises instructions executable by the one or more processors to cause the apparatus to:

receive a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

perform a listen-before-talk procedure to gain access to the shared radio frequency spectrum band for a channel occupancy time to transmit sidelink data to a second UE, the channel occupancy time spanning at least a first time interval and a second time interval of the plurality of contiguous time intervals;

identify a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting the sidelink data in the first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in the second time interval of the plurality of contiguous time intervals; and

transmit, to the second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern.

9 . The apparatus of claim 8 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

receive control information indicating at least one set of interleaved frequency resources that is available for each time interval of the plurality of contiguous time intervals, wherein identifying the frequency hopping pattern comprising the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval is based at least in part on receiving the control information.

10 . The apparatus of claim 8 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

transmit, in the first time interval, an indication of the first set of interleaved frequency resources used for transmitting the sidelink data in the first time interval; and

transmit, in the second time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

11 . The apparatus of claim 8 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

transmit, in the first time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

12 . An apparatus for wireless communication at a first user equipment (UE), comprising:

one or more processors; and

memory coupled with the one or more processors, wherein the memory comprises instructions executable by the one or more processors to cause the apparatus to:

receive a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

identify a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting sidelink data in a first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in a second time interval of the plurality of contiguous time intervals;

transmit, to a second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern; and

transmit, in the first time interval, the second time interval, or both, an indication of the frequency hopping pattern used by the first UE to transmit the sidelink data on the first set of interleaved frequency resources in the first time interval and on the second set of interleaved frequency resources in the second time interval.

13 . The apparatus of claim 8 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

transmit an indication of gaps in the first time interval, the second time interval, or both, allocated for other UEs to perform listen-before-talk procedures to gain access to the shared radio frequency spectrum band.

14 . The apparatus of claim 8 , wherein respective sets of interleaved frequency resources available to the first UE for sidelink communications in each time interval of the plurality of contiguous time intervals are based at least in part on a subcarrier spacing of a respective the time interval, a sidelink identification (ID) of the first UE, a resource pool ID of a respective set of interleaved frequency resources, one or more parameters associated with group hopping of frequency resources, or a combination thereof.

15 . An apparatus for wireless communication implemented by a first user equipment (UE), comprising:

means for identifying a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

means for performing a listen-before-talk procedure to gain access to the shared radio frequency spectrum band for a channel occupancy time to transmit sidelink data to a second UE, the channel occupancy time spanning at least a first time interval and a second time interval of the plurality of contiguous time intervals;

means for identifying a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting the sidelink data in the first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in the second time interval of the plurality of contiguous time intervals; and

means for transmitting, to the second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern.

16 . The apparatus of claim 15 , further comprising:

means for receiving control information indicating at least one set of interleaved frequency resources that is available for each time interval of the plurality of contiguous time intervals, wherein identifying the frequency hopping pattern comprising the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval is based at least in part on receiving the control information.

17 . The apparatus of claim 15 , further comprising:

means for transmitting, in the first time interval, an indication of the first set of interleaved frequency resources used for transmitting the sidelink data in the first time interval; and

means for transmitting, in the second time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

18 . The apparatus of claim 15 , further comprising:

means for transmitting, in the first time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

19 . An apparatus for wireless communication implemented by a first user equipment (UE), comprising

means for identifying a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

means for identifying a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting sidelink data in a first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in a second time interval of the plurality of contiguous time intervals;

means for transmitting, to a second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern; and

means for transmitting, in the first time interval, the second time interval, or both, an indication of the frequency hopping pattern used by the first UE to transmit the sidelink data on the first set of interleaved frequency resources in the first time interval and on the second set of interleaved frequency resources in the second time interval.

20 . The apparatus of claim 15 , further comprising:

means for transmitting an indication of gaps in the first time interval, the second time interval, or both, allocated for other UEs to perform listen-before-talk procedures to gain access to the shared radio frequency spectrum band.

21 . The apparatus of claim 15 , wherein respective sets of interleaved frequency resources available to the first UE for sidelink communications in each time interval of the plurality of contiguous time intervals are based at least in part on a subcarrier spacing of a respective time interval, a sidelink identification (ID) of the first UE, a resource pool ID of a respective set of interleaved frequency resources, one or more parameters associated with group hopping of frequency resources, or a combination thereof.

22 . A non-transitory computer-readable medium storing code for wireless communication implemented by a first user equipment (UE), the code comprising instructions executable by one or more processors to:

identify a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

perform a listen-before-talk procedure to gain access to the shared radio frequency spectrum band for a channel occupancy time to transmit sidelink data to a second UE, the channel occupancy time spanning at least a first time interval and a second time interval of the plurality of contiguous time intervals;

identify a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting the sidelink data in the first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in the second time interval of the plurality of contiguous time intervals; and

transmit, to the second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern.

23 . The non-transitory computer-readable medium of claim 22 , wherein the instructions are further executable by the one or more processors to:

receive control information indicating at least one set of interleaved frequency resources that is available for each time interval of the plurality of contiguous time intervals, wherein identifying the frequency hopping pattern comprising the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval is based at least in part on receiving the control information.

24 . The non-transitory computer-readable medium of claim 22 , wherein the instructions are further executable by the one or more processors to:

transmit, in the first time interval, an indication of the first set of interleaved frequency resources used for transmitting the sidelink data in the first time interval; and

transmit, in the second time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

25 . The non-transitory computer-readable medium of claim 22 , wherein the instructions are further executable by the one or more processors to:

transmit, in the first time interval, an indication of the second set of interleaved frequency resources used for transmitting the sidelink data in the second time interval.

26 . A non-transitory computer-readable medium storing code for wireless communication implemented by a first user equipment (UE), the code comprising instructions executable by one or more processors to:

identify a resource pool configuration indicating resources in a shared radio frequency spectrum band available to the first UE for sidelink communications, the resources comprising a plurality of contiguous time intervals;

identify a frequency hopping pattern comprising a first set of interleaved frequency resources for transmitting sidelink data in a first time interval of the plurality of contiguous time intervals and a second set of interleaved frequency resources for transmitting the sidelink data in a second time interval of the plurality of contiguous time intervals;

transmit, to a second UE, the sidelink data on the first set of interleaved frequency resources in the first time interval and the second set of interleaved frequency resources in the second time interval based at least in part on the frequency hopping pattern; and

transmit, in the first time interval, the second time interval, or both, an indication of the frequency hopping pattern used by the first UE to transmit the sidelink data on the first set of interleaved frequency resources in the first time interval and on the second set of interleaved frequency resources in the second time interval.

Assignments (1)

Continuity (3)

References Cited (16)