The results of Matlab simulation show that the multi-sending antennas system can reduce the send power and enhance SNR than the single sending antenna at the same BER.

• 在对多天线MIMO系统信道容量研究的基础上,分析正交空时分组编码的原理,并采用matldb给出了仿真结果,仿真结果表明,要得到相同误码率,采用多副发送天线的系统比采用单副发送天线的系统能提高信噪比,从而降低发送功率。