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.
Patent No.:
Date of Patent:
May. 05, 2026
Filed:
Nov. 30, 2022
Applicant:
U-blox Ag, Thalwil, CH;
Inventor:
Zhenlan Cheng, Thalwil, CH;
Assignee:
u-blox AG, Thalwil, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/05 (2010.01); G01S 19/42 (2010.01); H04W 64/00 (2009.01);
U.S. Cl.
CPC ...
G01S 19/05 (2013.01); G01S 19/42 (2013.01); H04W 64/006 (2013.01);
Abstract
A method and apparatus are provided for demodulating an L1S signal from a satellite in the Quasi-Zenith Satellite System (QZSS). The method comprises tracking another L1 signal transmitted by the satellite, and predicting, based on the tracking parameters of the other L1 signal, one or more parameters of the L1S signal. The L1S signal is demodulated based on the one or more predicted parameters.