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:
May. 27, 2025

Filed:

Jun. 07, 2023
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Vinod Kumar Saini, Bengaluru, IN;

Abdelmonaem Lakhzouri, San Francisco, CA (US);

Bo Zheng, Sunnyvale, CA (US);

William Morrison, San Francisco, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/47 (2010.01); G01S 19/39 (2010.01); G01S 19/42 (2010.01); G01S 19/52 (2010.01);
U.S. Cl.
CPC ...
G01S 19/47 (2013.01); G01S 19/393 (2019.08); G01S 19/428 (2013.01); G01S 19/52 (2013.01);
Abstract

A mobile device in a moving vehicle initializes a Global Navigation Satellite System (GNSS)—Inertial Navigation System (INS) system while the vehicle is in-motion with the orientation of the mobile device with respect to a global reference frame. The mobile device uses gyroscope measurements made while the vehicle is turning to determine a gravity vector. The gravity vector and accelerometer measurements may be used to determine a forward vector for the mobile device. A north vector is determined using the GNSS measurements. After the GNSS-INS system is calibrated, the mobile device may be positioned with respect to the vehicle. The orientation of the mobile device, prior to repositioning, may be compared to a current orientation, determined while the vehicle is in motion, in order to determine whether the GNSS-INS system should be re-initialized.


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