对ALamouti方案中输入输出为（2，1）的情况下，随信噪比的增大的误码率性能进行了仿真。并将其与没有任何分集的单发单收小性能做了对比。-ALamouti program for input and output for the (2,1), the signal to noise ratio increases with the BER performance is simulated. And diversity and there is no single collection of a single small to do a comparison of performance.