Unmanned aerial vehicle (UAV) GPS spoofing detection method

A technology of deception detection and UAV, which is applied in the direction of radio wave measurement system, measurement device, satellite radio beacon positioning system, etc. It can solve the problems of powerlessness, the inability of UAV to calculate the flight status, and low computational complexity.
CN110308464APending Publication Date: 2019-10-08XIDIAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
XIDIAN UNIV
Publication Date
2019-10-08

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Abstract

The invention discloses a UAV GPS spoofing detection method, and belongs to the technical field of UAV positioning. When a UAV U needs to determine whether spoofing attack occurs in a UAV formation flight state, the UAF sends a positioning request to a ground state and other group members; after receiving the request, the other UAVs upload position information data packages with time stamps to theground station, and the present position of the UAV V can be resolved if three UAVs or more in the group make response; and when the number of responded UAVs is lower than 3, the target UAV is positioned and tracked in the area in real time by a related angle and angle change rate combined method. The UAV position information is calculated actively in real time and compared with positioning information, not proved, received from a GPS receiver, so that attack of the group member the moment that the UAV system suffers GPS spoofing attack, and safe flight of the UAV is effectively ensured.
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Description

technical field

[0001] The invention belongs to the technical field of unmanned aerial vehicle positioning, and in particular relates to a method for detecting unmanned aerial vehicle GPS spoofing. Background technique

[0002] At present, GPS spoofing is to make the GPS receiver of the attacked target receive false GPS signals by forging or replaying GPS signals, so that the GPS receiver of the target can calculate wrong position and time information. GPS spoofing can be divided into two types: generative GPS spoofing and forwarding GPS spoofing in terms of the generation of spoofing signals: (1) forwarding GPS spoofing is to record the real GPS signal through a GPS signal simulator or transponder, plus After a certain delay, it is transmitted to the target GPS receiver, so that the attacked target can calculate the wrong position and time information; (2) the generative GPS spoofing is relatively more complicated, and the attacker usually extracts the position, time, and t...

Claims

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