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GPS navigation and guidance has become more prevalent in critical systems such as UAV and shipping. Attacks on GPS are now becoming of greater concern. In this paper, an evidence accrual system is discussed that looks to identify when a GPS navigation system may be compromised. The techniques use a novel fuzzy Kalman filter to drive the evidence generation in conjunction with an image-based correlation...
Military GPS, such as used for UAVs, is vulnerable to spoofing, and civilian GPS is even more vulnerable. Reliance on GPS, though, continues to increase across all sectors where moving people or products are involved or where mobile surveillance is needed. A research effort has begun to investigate approaches to identify and possibly counter GPS spoofing techniques. In this phase of the effort, an...
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