Cooperative allocation method and device for downlink transmission resources of cellular network

The invention provides a cellular network downlink transmission resource cooperative allocation method and device, and relates to the technical field of wireless communication, and the method comprises the steps: firstly constructing an initial optimization problem model of downlink transmission resource cooperative allocation in a cellular network; then determining a revenue function, a state space and an action space corresponding to the initial optimization problem model, and determining an initial experience tuple corresponding to the initial optimization problem model; based on the equivalence of the optimization problem, equivalently converting the initial optimization problem model into a target optimization problem model, and augmenting the initial experience tuple to obtain a target experience tuple; and finally, solving the target optimization problem model by adopting a depth deterministic policy gradient algorithm through the target experience tuple to obtain a downlink transmission resource colla