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:
Jun. 23, 2020

Filed:

Sep. 15, 2017
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Harisrinivas Chandrasekar, San Diego, CA (US);

Prabhu Kandasamy, San Diego, CA (US);

Naveen Kumar V. Bonda, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/25 (2010.01); G01S 19/09 (2010.01); H04L 12/18 (2006.01); H04W 4/02 (2018.01);
U.S. Cl.
CPC ...
G01S 19/256 (2013.01); G01S 19/09 (2013.01); H04L 12/18 (2013.01); H04W 4/02 (2013.01); G01S 19/258 (2013.01); G01S 2205/008 (2013.01); H04L 2209/80 (2013.01);
Abstract

A method for validating time assistance data includes receiving, at a mobile device, the time assistance data via a first wireless communication technology from a serving cell. The method also includes obtaining a reference global navigation satellite system (GNSS) time, at the mobile device, via a second wireless communication technology and determining whether the time assistance data is valid based on the reference GNSS time. Further included in the method is determining a validated GNSS time based on the time assistance data in response to determining that the time assistance data is valid.


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