Low earth orbit satellite switching method based on multi-agent cooperation

The invention provides a low earth orbit satellite switching method based on multi-agent collaboration, which comprises the following steps that a satellite communication system is established, and the relative positions of satellites and users are continuously changed in the continuous movement process of the satellites; establishing a multi-objective optimization function Jm by taking maximization of the communication transmission rate, the frequency band resource utilization rate and the total residual service duration as objectives; setting an action space and a state space of each satellite according to the initial environment parameters of each satellite, and initializing the maximum capacity T of an experience pool D, Actor strategy network parameters of each satellite and Critic value network parameters; and training the Actor strategy network and the Critic value network for Z times. According to the invention, autonomous optimization selection is continuously carried out in the beam selection proces