ABSOLUTE TIME CORRECTION FOR SIDELINK COMMUNICATION

Title:

ABSOLUTE TIME CORRECTION FOR SIDELINK COMMUNICATION

Document Type and Number:

WIPO Patent Application WO/2023/184074

Kind Code:

A1

Abstract:

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first sidelink device may obtain an absolute time. The first sidelink device may perform a ranging session on a first sidelink connection with a second sidelink device to obtain a first propagation delay between the first sidelink device and the second sidelink device. The first device may generate a first corrected absolute time for the second sidelink device based at least in part on the absolute time and the first propagation delay such that the second sidelink device will also have the absolute time. The first sidelink device may transmit the first corrected absolute time to the second sidelink device in a first message on the first sidelink connection. Numerous other aspects are described.

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Inventors:

VASSILOVSKI DAN (US)
SARKIS GABI (US)
PALADUGU KARTHIKA (US)
ULUPINAR FATIH (US)
OZTURK OZCAN (US)
CHENG PENG (US)
CHENG HONG (US)
LI QING (US)
NGUYEN TIEN VIET (US)
MARSH GENE WESLEY (US)
HORN GAVIN BERNARD (US)

Application Number:

PCT/CN2022/083313

Publication Date:

October 05, 2023

Filing Date:

March 28, 2022

Export Citation:

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Assignee:

QUALCOMM INC (US)
VASSILOVSKI DAN (US)
SARKIS GABI (US)
PALADUGU KARTHIKA (US)
ULUPINAR FATIH (US)
OZTURK OZCAN (US)
CHENG PENG (CN)
CHENG HONG (US)
LI QING (US)
NGUYEN TIEN VIET (US)
MARSH GENE WESLEY (US)
HORN GAVIN BERNARD (US)

International Classes:

H04W56/00; H04W64/00

Domestic Patent References:

WO2022025868A1

2022-02-03

Foreign References:

US20210321344A1	2021-10-14
US20200396734A1	2020-12-17

Other References:

ERICSSON: "Propagation Delay Compensation Enhancements for Time Synchronization", 3GPP TSG RAN WG1 #107-E, R1-2111191, 6 November 2021 (2021-11-06), XP052074730

Attorney, Agent or Firm:

NTD PATENT & TRADEMARK AGENCY LTD. (CN)

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