中文说明：
利用matlab实现简易的MIMO系统仿真，其中包括AWGN信道和瑞利信道的2发2收有无信道编码的比较，以及1发2收。
English Description：
Using MATLAB to achieve simple MIMO system simulation, including AWGN channel and Rayleigh channel two send two receive with or without channel coding comparison, as well as one send two receive.