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:
Mar. 19, 2019

Filed:

Sep. 24, 2018
Applicant:

Science Applications International Corporation, Reston, VA (US);

Inventor:

George Fortney, Toms River, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/02 (2010.01); G01S 19/47 (2010.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
G01S 5/0289 (2013.01); G01S 19/47 (2013.01); H04L 63/0435 (2013.01);
Abstract

A process described herein may be used to determine a first asset's position in a GNSS-limited environment. The process includes transmitting a current position for each of at least three additional assets in wireless messages by wireless transmitters. The current position for each of the at least three additional assets is determined using previously received position data and one more additional measurement generated by instruments on board the additional assets. The transmitted messages are received at a device of the first asset and a processor on the device implements pre-programmed instructions to access the current position for each of the three additional assets and determine the first asset's position using the current position for each of the three additional assets.


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