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中文摘要：
为了消除共道干扰，在接收端利用多天线提供空间复用是一种有效手段．传统的接收算法必须预先获得准确的信道状态信息（CSI），在很多实际情况下很难满足．为此提出一种基于独立分量分析（ICA）的干扰消除新算法，该算法不需要估计CSI，仅利用接收信号和通信协议固有的已知信息即可提取出期望信号．实验结果表明，所提算法的期望信号信干噪比（SINR）性能与最优线性接收算法非常接近，差距小于0．1dB．
英文摘要：
To eliminate co-channel interference, multiple antennas are generally used at receiver to pro- vide spatial multiplexing. Because the traditional methods for receiver need precise channel state information （CSI） , a new interference cancellation method based on independent component analysis （ICA） is proposed. The desired signal is extracted according to the received signals and a few known information of communication protocol, hence the CSI is not necessary. Simulations show that the proposed method is approximate to the best linear receiver in terms of signal-to-interferenee-and-noise-ratio （SINR） , the difference is less than 0. 1 dB.
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