Global navigation satellite system spoofer identification technique based on carrier to noise ratio signatures

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United States of America Patent

PATENT NO 11194053
SERIAL NO

16751582

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
L3HARRIS INTERSTATE ELECTRONICS CORPORATION602 EAST VERMONT AVENUE P O BOX 3117 ANAHEIM CA 92803-3117

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alexander, Steven B Orange, US 32 203
Johnston, Ivan L Anaheim, US 9 164
Sada, Gilberto Isaac Irvine, US 8 48

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