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:
Jan. 28, 2020
Filed:
Jul. 08, 2016
Applicant:
Interstate Electronics Corporation, Anaheim, CA (US);
Inventors:
Ivan L. Johnston, Anaheim, CA (US);
Gilberto Isaac Sada, Irvine, CA (US);
Steven B. Alexander, Orange, CA (US);
Assignee:
Interstate Electronics Corporation, Anaheim, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/21 (2010.01); H04B 1/10 (2006.01); G01S 7/28 (2006.01); H01Q 3/26 (2006.01);
U.S. Cl.
CPC ...
G01S 19/215 (2013.01); G01S 19/21 (2013.01); G01S 7/2813 (2013.01); H01Q 3/2611 (2013.01); H04B 1/10 (2013.01);
Abstract
Disclosed is a technique that can provide one or more countermeasures against spoofers. A beamformer can control an antenna pattern of a CRPA to generate a survey beam. The survey beam is swept across space to determine a characteristic signature based on carrier-to-noise ratios (C/No) for particular space vehicle signals. Matching C/No signatures can be used to identify the existence of spoofers and invoke a countermeasure, such as nulling.