数字通信方式广泛应用于无线通信,但由于无线信道的开放性,接收信号易受同道信号干扰。分析了盲源分离理论抑制同道干扰的可行性,并采用著名的盲源分离算法—FastICA算法进行计算机仿真,结果表明,可采用FastICA算法分离同道的BASK和QPSK及BPSK和BFSK信号,并消除同道干扰。
- Abstract:
- Digital communications system is widely used in current wireless communication.However because of the open-ing of the wireless channel,the received signal often is interferenced by co-channel signal.We analysis the valadity of blind source separation applied in co-channel interference restraint and apply FastICA algorithm to separate BASK and QPSK,BPSK and BFSK,the simulation results show the validity.
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