Abstract
With the increasing complexity of the electromagnetic environment and the increasing intensity of military confrontations, the potential security exposure in applications of satellite navigation has become a serious concern. Traditional GNSS anti-interference technology generally focuses on eliminating the jamming interference, while providing comparatively less attention to the elimination of spoofing interference. However, the potential risk induced by spoofing interference is no less than that caused by jamming interference. This paper first gives a broad overview of the research background on anti-spoofing technology, including the concept, theory, application cases, etc. Then it concludes and summarizes the research status of GNSS anti-spoofing technology in depth. Finally, it expounds emphatically some viewpoints on the prospect of GNSS anti-spoofing technology.
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