US Patent 11448770 Methods and systems for detecting signal spoofing

A method and system for detecting signal spoofing are disclosed. According to certain embodiments, the spoofing detection method may include receiving one or more position signals indicative of a first position of a vehicle at a first time. The method may also include receiving one or more reference signals indicative of a second position of the vehicle at the first time. The method may also include determining a difference between the first position and the second position. The method may also include determining that the difference is above a predetermined tolerance. The method may further include notifying the vehicle positioning system.