Abstract
Spoofing interference can mislead a target receiver to report a wrong position and time. This can pose a serious threat to the security of global navigation satellite system (GNSS) applications, and may cause undesirable consequences. As such, anti-spoofing techniques have become a hot research topic within the GNSS discipline. This paper provides a review of recent research in the field of GNSS anti-spoofing on the receiver side. The vulnerability of GNSS receivers to spoofing attacks is studied, and the anti-spoofing algorithms around the base band digital signal processing layer and the information processing layer of the receiver is discussed. The limitation, cost and applicability of these anti-spoofing methods are investigated and the trend of anti-spoofing research in the future is analyzed.
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