A Time-Delay-Based Forwarding UAV Deception Jamming Method

Aiming at the hazards of UAV in the aspects of out-of-control accident and interference with air traffic control, a delay-based forwarding UAV deception jamming method is proposed. By controlling the delay stacking strategy of the forwarding jamming device, the deception position is constructed in real time, the UAV position is pulled off point by point, and the wrong navigation coordinate system is reconstructed to lure the target UAV to fly away from the sensitive area to protect the ground security. Drones are even lured to target areas for capture or shooting down. In this method, the whole UAV deception process is regarded as a time iterative process of single-step position deception pulling. First, the deception position is constructed according to the preset trajectory position and real position of the UAV, and then the optimal delay scheme is obtained through the delay algorithm. After superimposed on the original satellite signal, the position deception is realized through the forwarding jamming device. Finally, the UAV deviates from the preset path to the target area to realize the point-by-point offset deception of the UAV position. The simulation results show that the UAV spoofing method based on time delay can make the target UAV deviate from the original trajectory gradually without being detected, so as to achieve the purpose of satellite navigation spoofing.