Disruption detection of a positioning measurement differential correction message of a satellite geolocation device

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United States of America Patent

PATENT NO 9977130
SERIAL NO

14918795

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Abstract

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The invention relates to a disruption detection method and device for a positioning measurement correction message of a satellite geolocation device, able to receive a composite radio signal including a plurality of signals each emitted by a satellite in view of the geolocation device, and a positioning measurement differential correction message (MC) emitted by a satellite geolocation precision augmentation system. The device (20) according to the invention includes modules (32) computing, for each of the satellites in view, at least one differential correction coherence metric depending on a positioning measurement differential correction (CAS) extracted from the received differential correction message (MC). The device (20) also includes a module (34) detecting a disruption of the correction message when the number of satellites for which the differential correction coherence metric is above a predetermined threshold exceeds a predetermined number of satellites (N0), strictly greater than one.

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Patent Owner(s)

Patent OwnerAddress
THALES92190 MEUDON

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Corazza, Stéphane Valence, FR 4 8
Guilloton, Audrey Valence, FR 1 0
Montagne, Bruno Valence, FR 6 19
Papin, Laurent Valence, FR 2 0
Rollet, Stéphane Valence, FR 4 30

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