Cognitive unmanned aerial vehicle spectrum sensing method based on reinforcement learning
A technology of reinforcement learning and drones, applied in radio transmission systems, transmission monitoring, advanced technology, etc., can solve problems such as low receiving threshold, perception error, low signal power, etc., to reduce impact, adapt accurately, and enhance robustness sexual effect
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[0032] The specific embodiments of the present invention will be described in detail below with reference to specific embodiments, and the method of the present invention is not limited to the specific embodiments. Consider a cellular network covered by a single base station, the network radius is 500m, the network contains 100 main users, and there are 10 locations where UAVs perform spectrum sensing within the coverage area of the base station, and the location labels k are 1 to 10. The perception radius of the drone is R=50m, so that the drone serves 20 locations as one execution cycle, and the total number of execution cycles of the drone is set to 100. The concrete steps of the inventive method are as follows:
[0033]1. Place a counter at each location where the UAV performs spectrum sensing, record the number of times φ(k) that the UAV has flown to the k-th sensing point for spectrum sensing so far in this cycle, and initialize it to 1, and the action selection probab...
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