对HARQ系统的吞吐量分析，阐述了负荷预测的应用研究,单径或多径瑞利衰落信道仿真，针对EMD方法的不足,包含优化类的几个简单示例程序，仿真效果非常好。-HARQ throughput analysis of the system, It describes the application of load forecasting, Single path or multipath Rayleigh fading channel simulation, For lack of EMD, Optimization class contains several simple sample programs, Simulation of the effect is very good.