TAO Huiqi, WU Hailing, LI Hong, LU Mingquan. GNSS Spoofing Detection Based on Consistency Check of Velocities[J]. Chinese Journal of Electronics, 2019, 28(2): 437-444. doi: 10.1049/cje.2019.01.006
Citation: TAO Huiqi, WU Hailing, LI Hong, LU Mingquan. GNSS Spoofing Detection Based on Consistency Check of Velocities[J]. Chinese Journal of Electronics, 2019, 28(2): 437-444. doi: 10.1049/cje.2019.01.006

GNSS Spoofing Detection Based on Consistency Check of Velocities

doi: 10.1049/cje.2019.01.006
Funds:  This work is supported by the National Natural Science Foundation of China (No.61571255)
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  • Corresponding author: LI Hong (corresponding author) was born in 1981. He received the B.S. degree (with honors) from Sichuan University, Chengdu, China, in 2004, and the Ph.D. degree (with honors) from Tsinghua University, Beijing, China, in 2009. Then, he joined the Department of Electronic Engineering of Tsinghua University, and has been an associate professor since August 2014. He leads the research of GNSS security in the GNSS lab of the department. He has received the Academic Young Talent of Tsinghua University for young faculties, innovation foundation for Young Talents of National Remote Sensing Center of China (NRSCC), Leadership Scholarship Program (LSP) of Committee of 100, several excellent paper awards for young scholars of China Satellite Navigation Conference (CSNC), outstanding Ph.D. graduate award, excellent doctoral dissertation award and top ten outstanding graduate students of Tsinghua University. (Email:lihongee@tsinghua.edu.cn)
  • Received Date: 2016-06-27
  • Rev Recd Date: 2016-11-26
  • Publish Date: 2019-03-10
  • Spoofing attacks for Global navigation satellite system (GNSS) would cause the abnormal changes of receiver measurements. Monitoring the abnormal changes is the main pattern of anti-spoofing techniques. Anomalies of Doppler shifts are important for GNSS spoofing detection. Most researchers focus on the consistency of Doppler such as the consistency of carrier Doppler and code rate. But the method is powerless in some cases. Doppler shift measurement is proportional to change rate of pseudorange, and the relationship would be broken in the case of spoofing attack. As both Doppler measurements and pseudoranges are related to velocity of receiver, two approaches of computing velocity can be used to check the consistency of Doppler shifts and pseudoranges measurements. An efficient spoofing detection method based on the consistency check of velocities is proposed in the paper. Principle of the method is given in detail and its performance evaluations are provided as well. Simulation results demonstrate the effectiveness of the solution.
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