中文说明：
2*2空间复用信道MIMO仿真，其中包含整套通信系统的编码解码，调制解调，噪声信道，并有文件对应说明文档。
English Description：
2*2 spatial multiplexing channel MIMO simulation, including the coding and decoding, modulation and demodulation, and noise channel of the entire communication system, with corresponding documentation