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http://dx.doi.org/10.12673/jant.2016.20.5.394

Simulation of GNSS Spoofing Detection Method Using Encrypted Ranging Signal  

So, Hyoungmin (Agency for Defense Development)
Publication Information
Journal of Advanced Navigation Technology / v.20, no.5, 2016 , pp. 394-400 More about this Journal
Abstract
It is well known that the encrypted ranging signal, such as GPS P(Y) code, is immune to spoofing attack. However, in order for users to use the signal, there needs permission from the operator. And also there are many restrictions for use because of security issues. In this paper, a ground reference station equipped with high-gain directional antenna and a user receiver were simulated. In the reference station, the encrypted code can be demodulated from the high-gain signal. And then the code can be used to detect spoofing attack in the user receiver. This paper proposes the spoofing detection method using the encrypted signal and deals with simulation results.
Keywords
GPS spoofing; Anti-spoofing; GPS P(Y) code; Directional antenna; Encrypted signal;
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