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. 06, 2023

Filed:

Aug. 20, 2020
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Min Wang, Tustin, CA (US);

Mangesh Chansarkar, Irvine, CA (US);

Ning Luo, Cupertino, CA (US);

Gengsheng Zhang, Cupertino, CA (US);

David Tuck, San Juan Capistrano, CA (US);

Bo Zheng, Sunnyvale, CA (US);

Yinghua Yang, San Jose, CA (US);

Han Zhang, Sunnyvale, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/41 (2010.01); G01S 19/07 (2010.01); G01S 19/44 (2010.01);
U.S. Cl.
CPC ...
G01S 19/41 (2013.01); G01S 19/071 (2019.08); G01S 19/072 (2019.08); G01S 19/44 (2013.01);
Abstract

A Real-Time Kinematic (RTK) solution is provided to mobile devices having multi-constellation, multi-frequency (MCMF) functionality, in which a single base station may have a baseline much farther than traditional base station. To enable this, embodiments account for differences in atmospheric effects between the rover station and base station when determining a GNSS position fix for a mobile device (rover station), allowing for a separate tropospheric delay error for a base station to be determined. Embodiments may use additional satellite measurements for which no RTK correction is available, and may further use orbital clock correction for these additional satellite measurements.


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