Abstract
Abstract
Global navigation satellite system (GNSS) spoofing interference poses a great threat to the security of end users. Based on the same propagation path characteristics of the spoofing signals transmitted by a single antenna spoofing device, this paper proposes a method against single antenna spoofing jamming utilizing the Fréchet distance of Doppler frequency difference. When the receiver moves, the Doppler data in a window are fitted via the leastsquares method, and the Fréchet distance between the two satellite signals is calculated to obtain the similarity evaluation value between them. The detection of spoofing signal is carried out based on the evaluation value. We use real data to verify the detection performance of the method, and the experimental results show that the method can effectively distinguish the spoofing signal from the authentic signal. In addition, the method has low computational complexity and requires less additional information, which makes it possible to apply it in the anti-spoofing module of a GNSS receiver.
Funder
Key Special Projects of the National Key Research and Development Plan of China
Major Research Plan of the National Natural Science Foundation of China
National Natural Science Foundation of China
Subject
Applied Mathematics,Instrumentation,Engineering (miscellaneous)
Cited by
4 articles.
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2. Adaptive Position Prediction Based GNSS Spoofing Detection for Autonomous Vehicles;2022 3rd International Conference on Electronics, Communications and Information Technology (CECIT);2022-12
3. Overview and Prospect of GNSS Anti-spoofing Technology;2022 2nd International Conference on Computation, Communication and Engineering (ICCCE);2022-11-04
4. A Survey of GNSS Spoofing and Anti-Spoofing Technology;Remote Sensing;2022-09-27