The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 06, 2026

Filed:

May. 08, 2020
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Yi Qin, Beijing, CN;

Jintao Hou, Beijing, CN;

Xiaochen Chen, Beijing, CN;

Chunxia Li, Beijing, CN;

Zengyu Hao, Beijing, CN;

Haizhou Liu, Beijing, CN;

Feng Chen, Beijing, CN;

Ang Li, Tongzhou, CN;

Hongjin Guo, Beijing, CN;

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 56/00 (2009.01); G04R 20/02 (2013.01);
U.S. Cl.
CPC ...
H04W 56/0015 (2013.01); G04R 20/02 (2013.01);
Abstract

Methods and systems for performing time synchronization for a Cellular Vehicle-to-Everything (C-VX) wireless interface of a vehicle are provided. In one example, a method comprises: determining, by a vehicle UE, whether a Global Navigation Satellite System (GNSS) receiver of the vehicle receives a GNSS signal including time information for a time synchronization operation for the vehicle's local clock source; based on whether the GNSS receiver receives a GNSS signal including the time information, adjusting a local clock time of the vehicle's local clock source based on one of: the time information included in the GNSS signal, or one or more wireless signals broadcasted from a base station; and adjusting, based on the adjusted local clock time, at least one of: a phase or a frequency of a clock signal supplied to the C-VX wireless interface.


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