| Citation: | Dan LU, Tianlin BAI. Global Navigation Satellite System Spoofing Mitigation Method by Utilizing Signal Reconstruction[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1268-1273. doi: 10.11999/JEIT190321
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Spoofing misleads the receiver to generate the wrong position information by trans-mitting signals similar to authentic satellite signals, which has great harm. In this paper, a single-antenna spoofing mitigation algorithm based on signal reconstruction is proposed for meaconing. Firstly, the carrier frequency and code phase of spoofing signal are obtained by parameter estimation method, and then the orthogonal projection matrix of spoofing signal subspace is constructed to suppress spoofing. The simulation results show that the algorithm has a good suppression effect on spoofing and ensure the receiver can locate effectively in the interference environment, and the algorithm also has lower computational complexity.
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