Energy efficiency maximization method and system of millimeter wave communication system

The invention discloses an energy efficiency maximization method and system for a millimeter wave communication system, and the method comprises the following steps: firstly, setting a plurality of intelligent reflecting surfaces in the millimeter wave communication system, and constructing a multi-input single-output millimeter wave communication system model; secondly, acquiring a plurality of model parameters of the millimeter wave communication system model, and establishing an energy efficiency maximization model of the millimeter wave communication system; then, decoupling the energy efficiency maximization model of the millimeter wave communication system into three sub-problems of phase optimization, beam forming optimization and intelligent reflector switch optimization; and finally, performing alternate iteration solution on the three sub-problems of phase optimization, beam forming optimization and intelligent reflector switch optimization to obtain a convergence result enabling the energy efficien