Anti-spoofing in a satellite navigation system
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United States of America Patent
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Sep 5, 2017
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app pub date -
Oct 9, 2013
filing date -
Oct 9, 2013
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Abstract
Embodiments are generally directed to anti-spoofing techniques for satellite navigation systems. In general, the anti-spoofing techniques use codeless or semi-codeless tracking of encrypted satellite signals to generate measurements that can be used to perform consistency checks to received non-encrypted signals. The consistency checks will detect if the non-encrypted signal is a genuine satellite signal or a spoofing signal.
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