GNSS time spoofing detection and discrimination based on clock bias hypothesis test

被引：0
|
作者：
Fu D. [1 ]
Peng J. [1 ]
Ma M. [1 ]
Chen F. [1 ]
Ou G. [1 ]
机构：
[1] College of Electronic Science and Technology, National University of Defense Technology, Changsha
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2022年 / 44卷 / 03期
关键词：
Clock bias; Global navigation satellite system (GNSS); Spoofing detection; Time spoofing;
D O I：
10.12305/j.issn.1001-506X.2022.03.27
中图分类号：
学科分类号：
摘要：
Aiming at the problem that traction deception is harmful to the time service receiver and difficult to detect, based on the implementation principle of time service deception, the change law of time service solution is analyzed. Taking advantage of the characteristics that the clock difference must accumulate abnormity after the implementation of deception, a time service deception detection and recognition method using the clock difference to construct the test statistics is proposed. The detection performance of this method is analyzed, and the correctness of the theory is verified by Monte Carlo simulation. Finally, the software receiver is used to test the time spoofing scene data of TEXBAT (Texas spoofing test battery) to verify the effectiveness of this method. Because there is no need to add additional hardware to the receiver and the algorithm can still detect deception without the assistance of location information, it has high application value for global navigation satellite system timing security. © 2022, Editorial Office of Systems Engineering and Electronics. All right reserved.
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页码：948 / 955
页数：7
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