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:
Oct. 05, 2021

Filed:

Oct. 08, 2019
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Cheol Hee Park, San Diego, CA (US);

Feng Lu, Santa Clara, CA (US);

Arvind Vardarajan Santhanam, San Diego, CA (US);

Subramanya Rao, Sunnyvale, CA (US);

Sivaramakrishna Veerepalli, San Diego, CA (US);

Cheng Tan, Denver, CO (US);

Sean Vincent Maschue, Encinitas, CA (US);

Ashish Shankar Iyer, San Diego, CA (US);

Giridhar Ramakrishnan, San Diego, CA (US);

Yax Patel, San Diego, CA (US);

Srinivasan Rajagopalan, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 56/00 (2009.01); H04W 4/40 (2018.01); H04W 84/00 (2009.01); H04W 80/02 (2009.01);
U.S. Cl.
CPC ...
H04W 56/001 (2013.01); H04W 4/40 (2018.02); H04W 56/005 (2013.01); H04W 84/005 (2013.01);
Abstract

Aspects directed towards synchronizing out of coverage (OOC) vehicle-to-everything (V2X) communications are disclosed. In one example, a scheduled entity detects a loss of a synchronization signal associated with a V2X communication by detecting when a timing uncertainty value or error value is greater than a threshold value. Packet timing information is then received in response to the loss of the synchronization signal from at least one user equipment (UE) synchronized with the synchronization signal. The scheduled entity then maintains the V2X communication by performing a timing adjustment based on the packet timing information.


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