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| GNSS Anti-Spoofing Technology Based on ESPRIT and GS-SMI Algorithm |
| GU Nianzu1，2， TAO Qingchang1， XING Fei1， Sun Xin3， #br#
WU Zhilin1， YOU Zheng1 |
| 1. Key Laboratory of Smart Microsystem （Tsinghua University） Ministry of Education， Tsinghua University， Beijing 100084， China；2. 91977 Unit， Beijing 10036， China；3. Shanghai Radio Research Institute， Shanghai 200090， China |
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Abstract Aiming at global navigation satellite system (GNSS) spoofing signal recognition and intelligent anti-spoofing, this paper proposes a method of GNSS spoofing signal identification, spoofing signals orienting and adaptive nulling, based on estimation of signal parameters via rotation invariant technique (ESPRIT) algorithm and generated-signal sample matrix inversion (GS-SMI), combining the spatial spectrum estimation technology and adaptive array processing technology in array signal processing. The results of the simulation indicate that the proposed method is effective to restrain the influence of the GNSS spoofing attack. It provides theoretical support for further application of array antenna in GNSS spoofing environment.
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Received: 06 December 2021
Published: 25 March 2022
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2022, Vol. 5 
