Granted Patent B2

US 12,621,825 · App. 17/544,707 · Granted May 5, 2026

Inventors: Gabi Sarkis (San Diego, CA); Guangyi Liu (San Diego, CA); Tien Viet Nguyen (Bridgewater, NJ); Qing Li (Princeton Junction, NJ); Karthika Paladugu (San Diego, CA)

Assignee: QUALCOMM Incorporated

H04W72/1263H04W72/02H04W72/23H04W92/18

Abstract

Claims (61)

1 . A method for wireless communications at a first wireless device, comprising:

receiving, from a second wireless device, a sidelink data message comprising data for the first wireless device and a trigger for a scheduling request, and indicating a set of feedback resources associated with the sidelink data message, wherein a timing of the set of feedback resources is based at least in part on a transmission time interval in which the sidelink data message is received;

transmitting, to the second wireless device via the set of feedback resources based at least in part on receiving the sidelink data message, the scheduling request for sidelink resources for the first wireless device; and

receiving, from the second wireless device, a grant for the sidelink resources in response to the scheduling request.

2 . The method of claim 1 , further comprising:

selecting the set of feedback resources from multiple sets of feedback resources of a second transmission time interval that is associated with the transmission time interval.

3 . The method of claim 2 , wherein selecting the set of feedback resources comprises:

selecting the set of feedback resources based at least in part on an identifier of the first wireless device or an assignment configuration associated with the multiple sets of feedback resources.

4 . The method of claim 2 , wherein selecting the set of feedback resources comprises:

selecting the set of feedback resources based at least in part on a first periodicity associated with the first wireless device, a second periodicity associated with the multiple sets of feedback resources, or both.

5 . The method of claim 1 , further comprising:

receiving an indication of the set of feedback resources indicated in the sidelink data message to use for transmission of the scheduling request, wherein the scheduling request is transmitted via the set of feedback resources based at least in part on receiving the indication.

6 . The method of claim 5 , wherein receiving the indication of the set of feedback resources comprises:

receiving the indication of the set of feedback resources via a PC5 message, a radio resource control (RRC) message, a medium access control (MAC) control element (MAC-CE), or any combination thereof.

7 . The method of claim 5 , wherein the indication of the set of feedback resources comprises a second indication of a second set of feedback resources in a second transmission time interval subsequent the set of feedback resources, the second set of feedback resources corresponding to a subsequent scheduling request occasion for the first wireless device.

8 . The method of claim 1 , wherein transmitting the scheduling request comprises:

transmitting the scheduling request according to a set of transmission parameters associated with the first wireless device, the set of feedback resources, or both.

9 . The method of claim 8 , further comprising:

receiving an indication of the set of transmission parameters from the second wireless device via a PC5 message, a radio resource control (RRC) message, a UE assistance framework message, or any combination thereof.

10 . The method of claim 8 , wherein the set of transmission parameters is specific to the first wireless device or a set of wireless devices including the first wireless device.

11 . The method of claim 8 , wherein the set of transmission parameters comprises a destination identifier, a packet delay budget, a priority level, a number of retransmissions, a transport block size, a number of sub-channels, or any combination thereof.

12 . The method of claim 1 , wherein the set of feedback resources is allocated to a set of wireless devices including the first wireless device.

13 . The method of claim 1 , wherein the sidelink data message comprises a second grant for second sidelink resources for the first wireless device.

14 . A first wireless device for wireless communications, comprising:

one or more processors;

one or more memories coupled with the one or more processors; and

instructions stored in the one or more memories and executable by the one or more processors to cause the first wireless device to:

receive, from a second wireless device, a sidelink data message comprising data for the first wireless device and a trigger for a scheduling request, and indicating a set of feedback resources associated with the sidelink data message, wherein a timing of the set of feedback resources is based at least in part on a transmission time interval in which the sidelink data message is received;

transmit, to the second wireless device via the set of feedback resources based at least in part on receiving the sidelink data message indicating the set of feedback resources, the scheduling request for sidelink resources for the first wireless device; and

receive, from the second wireless device, a grant for the sidelink resources in response to the scheduling request.

15 . The first wireless device of claim 14 , wherein the instructions are further executable by the one or more processors to cause the first wireless device to:

select the set of feedback resources from multiple sets of feedback resources of a second transmission time interval that is associated with the transmission time interval.

16 . The first wireless device of claim 15 , wherein the instructions are further executable by the one or more processors to cause the first wireless device to:

select the set of feedback resources based at least in part on an identifier of the first wireless device or an assignment configuration associated with the multiple sets of feedback resources.

17 . The first wireless device of claim 15 , wherein the instructions are further executable by the one or more processors to cause the first wireless device to:

select the set of feedback resources based at least in part on a first periodicity associated with the first wireless device, a second periodicity associated with the multiple sets of feedback resources, or both.

18 . The first wireless device of claim 14 , wherein the instructions are further executable by the one or more processors to cause the first wireless device to:

receive an indication of the set of feedback resources indicated in the sidelink data message to use for transmission of the scheduling request, wherein the scheduling request is transmitted via the set of feedback resources based at least in part on receiving the indication.

19 . The first wireless device of claim 18 , wherein the instructions are further executable by the one or more processors to cause the first wireless device to:

receive the indication of the set of feedback resources via a PC5 message, a radio resource control (RRC) message, a medium access control (MAC) control element (MAC-CE), or any combination thereof.

20 . The first wireless device of claim 18 , wherein the indication of the set of feedback resources comprises a second indication of a second set of feedback resources in a second transmission time interval subsequent the set of feedback resources, the second set of feedback resources corresponding to a subsequent scheduling request occasion for the first wireless device.

21 . The first wireless device of claim 14 , wherein the instructions are further executable by the one or more processors to cause the first wireless device to:

transmit the scheduling request according to a set of transmission parameters associated with the first wireless device, the set of feedback resources, or both.

22 . The first wireless device of claim 21 , wherein the instructions are further executable by the one or more processors to cause the first wireless device to:

receive an indication of the set of transmission parameters from the second wireless device via a PC5 message, a radio resource control (RRC) message, a UE assistance framework message, or any combination thereof.

23 . The first wireless device of claim 21 , wherein the set of transmission parameters is specific to the first wireless device or a set of wireless devices including the first wireless device.

24 . The first wireless device of claim 21 , wherein the set of transmission parameters comprises a destination identifier, a packet delay budget, a priority level, a number of retransmissions, a transport block size, a number of sub-channels, or any combination thereof.

25 . The first wireless device of claim 14 , wherein the set of feedback resources is allocated to a set of wireless devices including the first wireless device.

26 . The first wireless device of claim 14 , wherein the sidelink data message comprises a second grant for second sidelink resources for the first wireless device.

27 . A non-transitory computer-readable medium storing code for wireless communications at a first wireless device, the code comprising instructions executable by one or more processors to:

receive, from a second wireless device, a sidelink data message comprising data for the first wireless device and a trigger for a scheduling request, and indicating a set of feedback resources associated with the sidelink data message, wherein a timing of the set of feedback resources is based at least in part on a transmission time interval in which the sidelink data message is received;

transmit, to the second wireless device via the set of feedback resources based at least in part on receiving the sidelink data message indicating the set of feedback resources, the scheduling request for sidelink resources for the first wireless device; and

receive, from the second wireless device, a grant for the sidelink resources in response to the scheduling request.

28 . The non-transitory computer-readable medium of claim 27 , wherein the instructions are further executable by the one or more processors to:

select the set of feedback resources from multiple sets of feedback resources of a second transmission time interval that is associated with the transmission time interval.

29 . The non-transitory computer-readable medium of claim 27 , wherein the instructions are further executable by the one or more processors to:

receive an indication of the set of feedback resources indicated in the sidelink data message to use for transmission of the scheduling request, wherein the scheduling request is transmitted via the set of feedback resources based at least in part on receiving the indication.

30 . A first wireless device for wireless communications, comprising:

means for receiving, from a second wireless device, a sidelink data message comprising data for the first wireless device and a trigger for a scheduling request, and indicating a set of feedback resources associated with the sidelink data message, wherein a timing of the set of feedback resources is based at least in part on a transmission time interval in which the sidelink data message is received;

means for transmitting, to the second wireless device via the set of feedback resources based at least in part on receiving the sidelink data message indicating the set of feedback resources, the scheduling request for sidelink resources for the first wireless device; and

means for receiving, from the second wireless device, a grant for the sidelink resources in response to the scheduling request.

Assignments (1)

Continuity (1)

References Cited (12)