IP Library › Granted Patent US 12,363,681
Granted Patent B2
US 12,363,681 · App. 17/731,540 · Granted Jul 15, 2025

Data transmission method, data transmission device, non-transitory computer readable medium, and chip

Inventors: Huei-Ming Lin (Taipei, TW); Zhenshan Zhao (Dongguan, CN); Qianxi Lu (Dongguan, CN)
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
H04W72/02H04L1/1812H04L5/0053H04L27/2607H04W72/0453H04W72/20
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Quick Facts
Patent No.
US 12,363,681
App. No.
17/731,540
Granted
Jul 15, 2025
Kind
B2
Abstract

A data transmission method, a data transmission device, a non-transitory computer readable medium, and a chip for sidelink communication.

Claims (42)

1. A data transmission method performed by a device, wherein the device is configured for sidelink communication, the method comprising:

determining an index of a Physical Sidelink Feedback Channel (PSFCH) resource as a sidelink feedback resource;

wherein PSFCH resources are first indexed according to a frequency resource block and second according to a cyclic shift pair;

wherein the index is determined based on a pre-determined formula; and

wherein the pre-determined formula is based on a physical layer source ID of an associated Physical Sidelink Control Channel (PSCCH)/Physical Sidelink Shared Channel (PSSCH), a member ID of the device, a number of physical resource blocks, and a number of cyclic shifted pairs in each physical resource block for a resource pool.

2. The data transmission method of claim 1 ,

wherein the index is determined based on a physical layer source ID of the associated Physical Sidelink Control Channel (PSCCH)/Physical Sidelink Shared Channel (PSSCH).

3. The data transmission method of claim 1 ,

wherein the index is determined based on a member ID of the device.

4. The data transmission method of claim 1 ,

wherein the index is determined based on a number of physical resource blocks.

5. The data transmission method of claim 1 ,

wherein the index is determined based on a number of cyclic shifted pairs in each physical resource block for a resource pool.

6. The data transmission method of claim 1 ,

wherein the pre-determined formula is I=(K+M)mod(Z*Y); and

wherein I is the index, K is the physical layer source ID of the associated PSCCH/PSSCH, M is the member ID of the device, Z is the number of physical resource blocks, and Y is the number of cyclic shifted pairs in the each physical resource block for the resource pool.

7. The data transmission method of claim 1 ,

wherein the sidelink feedback resource is used to transmit an ACK report and/or a NACK report.

8. The data transmission method of claim 1 ,

wherein the sidelink feedback resource is used to transmit a feedback using unicast.

9. The data transmission method of claim 1 ,

wherein the sidelink feedback resource is used to transmit a feedback using groupcast option 1.

10. The data transmission method of claim 1 ,

wherein the sidelink feedback resource is used to transmit a feedback using groupcast option 2.

11. A data transmission apparatus, comprising one or more processors and one or more memory storing program instructions, the apparatus being configured, when the program instructions are executed by the one or more processors, to carry out a data transmission method, the method comprising:

determining an index of a Physical Sidelink Feedback Channel (PSFCH) resource as a sidelink feedback resource;

wherein PSFCH resources are first indexed according to a frequency resource block and second according to a cyclic shift pair;

wherein the index is determined based on a pre-determined formula; and

wherein the pre-determined formula is based on a physical layer source ID of an associated Physical Sidelink Control Channel (PSCCH)/Physical Sidelink Shared Channel (PSSCH), a member ID of the device, a number of physical resource blocks, and a number of cyclic shifted pairs in each physical resource block for a resource pool.

12. The data transmission apparatus of claim 11 ,

wherein the pre-determined formula is I=(K+M)mod(Z*Y); and

wherein I is the index, K is the physical layer source ID of the associated PSCCH/PSSCH, M is the member ID of the device, Z is the number of physical resource blocks, and Y is the number of cyclic shifted pairs in the each physical resource block for the resource pool.

13. The data transmission apparatus of claim 11 ,

wherein the sidelink feedback resource is used to transmit an ACK report and/or a NACK report.

14. The data transmission apparatus of claim 11 ,

wherein the sidelink feedback resource is used to transmit a feedback using unicast.

15. A non-transitory computer-readable medium, comprising instructions executed by a processor to carry out a data transmission method, the method comprising:

determining an index of a Physical Sidelink Feedback Channel (PSFCH) resource as a sidelink feedback resource;

wherein PSFCH resources are first indexed according to a frequency resource block and second according to a cyclic shift pair;

wherein the index is determined based on a pre-determined formula; and

wherein the pre-determined formula is based on a physical layer source ID of an associated Physical Sidelink Control Channel (PSCCH)/Physical Sidelink Shared Channel (PSSCH), a member ID of the device, a number of physical resource blocks, and a number of cyclic shifted pairs in each physical resource block for a resource pool.

16. A chip, comprising one or more processors configured to execute program instructions stored in one or more memory to carry out the method of claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 28, 2022
From: LIN, HUEI-MING; ZHAO, ZHENSHAN; LU, QIANXI
To: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Reel/Frame 059757/0916 →
Continuity (3)
Continuation PCTCN2020130676 · Nov 20, 2020
Provisional Application 62939555 · Nov 22, 2019
Related Publication 20220264536A1 · Aug 18, 2022
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