Detection of deception signal used to deceive geolocation...

Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite

Reexamination Certificate

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C342S357490, C342S357490

Reexamination Certificate

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07623068

ABSTRACT:
A method for detecting the presence of a deception signal associated with a satellite navigation system. The deception signal has certain “observables”, which can be used by a GPS receiver to detect the presence of the deception signal.

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patent: 6396432 (2002-05-01), Riemschneider et al.
patent: 6686877 (2004-02-01), Ishigaki et al.
patent: 14116245 (2002-04-01), None
International Preliminary Report on Patentability, PCT/US2007/069043, 6 pages, Nov. 27, 2008.
International Search Report and Written Opinion PCT/US2007/069043, 10 pages, Mar. 12, 2008.

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