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:
Apr. 11, 2023

Filed:

Dec. 19, 2019
Applicant:

Star Ally International Limited, Tortola, VG;

Inventor:

Wensheng Hua, Fremont, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/08 (2010.01); G01S 19/05 (2010.01);
U.S. Cl.
CPC ...
G01S 19/08 (2013.01); G01S 19/05 (2013.01);
Abstract

An ephemeris server performs a method that includes (a) (i) obtaining broadcast ephemeris information by accessing a source of broadcast information on a wide area communication network; (ii) extracting, from broadcast ephemeris information, orbital trajectory information of each satellite, and (iii) creating and storing in a real-time database modified orbital trajectory information for each of the satellites from the extracted orbital trajectory information; (b) at each of a plurality of designated time points, updating the modified trajectory information in the real-time database, based upon evaluation of an update criterion; and (c) providing the modified trajectory information to each of a plurality of devices, each device having a GNSS receiver capable of using the modified trajectory information to process broadcast signals of the satellites.


Find Patent Forward Citations

Loading…