说明：  不同数量的收发天线配置方式对应的信道容量仿真，可以计算当发射端未知CSI时，MIMO信道在不同信噪比下的遍历容量。
(A different number of receiving antenna configuration corresponding to the channel capacity of the simulation can be calculated when the transmitter is unknown CSI, MIMO channel ergodic capacity under different SNR.)