spaital modulation技术相比于v-blast,mrc等方式有了长足的进步。4bit/s/Hz频谱利用率下的空间调制程序，利用BPSK,4QAM和8QAM调制方式。-spaital modulation technique compared to the v-blast, mrc, etc. has made substantial progress. 4bit/s/Hz spatial modulation spectrum utilization under the progr