alamouti的mimo方案，包括1发2收，2发1收，2发2收。里面包含文件：qpsk.m；decode1.m；decode.m；mimo_12.m；mimo_21.m；mimo_22.m以及结果和说明文档mimo.doc。

帧数：1000

帧长：1024

调制方式：qpsk

收发天线数：1*2,2*1,2*2

-alamouti of mimo programs, including a fat, 2 received, 2 fat, 1 received, 2 sent 2 income. Which contains the file: qpsk.m　decode1.m　decode.m　mimo_12.m　mimo_21.m　mimo_22.m and results and documentation mimo.doc. Frames: 1000 Frame Size: 1024 Modulation: qpsk transceiver antennas: 1* 2,2* 1,2* 2