IP Library › Granted Patent US 12,193,010
Granted Patent B2
US 12,193,010 · App. 17/842,862 · Granted Jan 7, 2025

Base station scheduling of sidelink feedback reporting

Inventors: Hyukjin Chae (San Diego, CA); Esmael Hejazi Dinan (McLean, VA); Yunjung Yi (Vienna, VA); Kyungmin Park (Vienna, VA)
Assignee: Ofinno, LLC
H04W72/21H04L1/1819H04L1/1854H04L1/1896H04W72/1263H04W72/20H04W72/23
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Quick Facts
Patent No.
US 12,193,010
App. No.
17/842,862
Granted
Jan 7, 2025
Kind
B2
Abstract

A base station may transmit, to a first wireless device, a timing offset indicator indicating an offset, in slots, between a sidelink feedback resource and an uplink feedback resource. The base station may receive, from the first wireless device and in an uplink slot, a sidelink feedback report. A first sidelink feedback resource within a sidelink slot may be at a time indicated by the offset from a second sidelink feedback resource for a sidelink transport block transmitted by the first wireless device to a second wireless device. The uplink slot may overlap with the first sidelink feedback resource in time, and the uplink slot may be a last uplink feedback slot overlapping with the first sidelink feedback resource.

Claims (50)

1. A method comprising:

transmitting, by a base station to a first wireless device, a timing offset indicator indicating an offset, in a number of slots, between a sidelink feedback resource and an uplink feedback resource for transmitting a sidelink feedback report; and

receiving, by the base station from the first wireless device, the sidelink feedback report in an uplink slot, wherein:

the uplink slot is a last uplink feedback slot overlapping with a first sidelink feedback resource, within a sidelink slot, in time;

the first sidelink feedback resource is offset from a second sidelink feedback resource by the number of slots; and

the second sidelink feedback resource is a feedback resource for a sidelink transport block transmitted by the first wireless device to a second wireless device.

2. The method of claim 1 , wherein the timing offset indicator is transmitted via a downlink control information (DCI).

3. The method of claim 2 , wherein the DCI comprises a field for the timing offset indicator.

4. The method of claim 1 , wherein the timing offset indicator is transmitted via radio resource control (RRC) message.

5. The method of claim 1 , wherein the transmitting further comprises transmitting, by the base station to the first wireless device, an indication of one or more sidelink transmission resources for the first wireless device to transmit the sidelink transport block to the second wireless device.

6. The method of claim 1 , wherein the uplink feedback resource of the uplink slot comprises a physical uplink control channel (PUCCH).

7. The method of claim 1 , wherein the first sidelink feedback resource comprises a physical sidelink feedback channel (PSFCH).

8. The method of claim 1 , wherein the first wireless device operates under resource allocation mode 1 in which the base station schedules sidelink transmissions.

9. The method of claim 1 , wherein the sidelink feedback report comprises at least one of:

a hybrid automatic repeat request (HARQ) acknowledgement (ACK); or

a HARQ non-acknowledgment (NACK).

10. The method of claim 1 , wherein the offset, indicated by the timing offset indicator, is between a first time when the first wireless device receives a sidelink feedback from the second wireless device and a second time when the first wireless device transmits the sidelink feedback report to the base station.

11. A base station comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the base station to:

transmit, to a first wireless device, a timing offset indicator indicating an offset, in a number of slots, between a sidelink feedback resource and an uplink feedback resource for transmitting a sidelink feedback report; and

receive, from the first wireless device, the sidelink feedback report in an uplink slot, wherein:

the uplink slot is a last uplink feedback slot overlapping with a first sidelink feedback resource, within a sidelink slot, in time;

the first sidelink feedback resource is offset from a second sidelink feedback resource by the number of slots; and

the second sidelink feedback resource is a feedback resource for a sidelink transport block transmitted by the first wireless device to a second wireless device.

12. The base station of claim 11 , wherein the timing offset indicator is transmitted via a downlink control information (DCI).

13. The base station of claim 12 , wherein the DCI comprises a field for the timing offset indicator.

14. The base station of claim 11 , wherein the timing offset indicator is transmitted via radio resource control (RRC) message.

15. The base station of claim 11 , wherein the instructions further cause the base station to transmit, by the base station to the first wireless device, an indication of one or more sidelink transmission resources for the first wireless device to transmit the sidelink transport block to the second wireless device.

16. The base station of claim 11 , wherein the uplink feedback resource of the uplink slot comprises a physical uplink control channel (PUCCH).

17. The base station of claim 11 , wherein the first sidelink feedback resource comprises a physical sidelink feedback channel (PSFCH).

18. The base station of claim 11 , wherein the first wireless device operates under resource allocation mode 1 in which the base station schedules sidelink transmissions.

19. The base station of claim 11 , wherein the sidelink feedback report comprises at least one of:

a hybrid automatic repeat request (HARQ) acknowledgement (ACK); or

a HARQ non-acknowledgment (NACK).

20. A system comprising:

a base station comprising: one or more first processors and first memory storing first instructions that, when executed by the one or more first processors, cause the base station to:

transmit a timing offset indicator indicating an offset, in a number of slots, between a sidelink feedback resource and an uplink feedback resource for transmitting a sidelink feedback report; and

receive the sidelink feedback report in an uplink slot;

a first wireless device comprising: one or more second processors and second memory storing second instructions that, when executed by the one or more second processors, cause the first wireless device to:

receive, from the base station, the timing offset indicator;

transmit a sidelink transport block;

receive feedback for the sidelink transport block; and

transmit, to the base station and in the uplink slot, the sidelink feedback report, comprising the feedback, wherein:

the uplink slot is a last uplink feedback slot overlapping with a first sidelink feedback resource, within a sidelink slot, in time;

the first sidelink feedback resource is offset from a second sidelink feedback resource by the number of slots; and

the second sidelink feedback resource is a feedback resource of the feedback for the sidelink transport block; and

a second wireless device comprising: one or more third processors and third memory storing third instructions that, when executed by the one or more third processors, cause the second wireless device to:

receive, from the first wireless device, the sidelink transport block; and

transmit, to the first wireless device and via the second sidelink feedback resource, the feedback for the sidelink transport block.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 20, 2025
From: OFINNO, LLC
To: TOYOTA JIDOSHA KABUSHIKI KAISHA
Reel/Frame 073117/0008 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 17, 2022
From: CHAE, HYUKJIN; DINAN, ESMAEL; YI, YUNJUNG; PARK, KYUNGMIN
To: OFINNO, LLC
Reel/Frame 060238/0983 →
Continuity (4)
Continuation 17399314 · Aug 11, 2021
Continuation PCTUS2020046707 · Aug 17, 2020
Provisional Application 62888364 · Aug 16, 2019
Related Publication 20220330236A1 · Oct 13, 2022
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