A closed-form solution to the autocorrelation matching method for wireless MIMO communications

Hui Luo, L. Luo, Ruey-Wen Liu
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Abstract

Wireless MIMO (multiple input multiple output) communication techniques are proposed to boost spectrum efficiency using antenna arrays so that broadband data such as multimedia signals can be transmitted over a limited bandwidth. The AM (autocorrelation matching) method is a SOS (second-order statistics) based blind MIMO-FIR equalization technique that may enable wireless MIMO communications without identifying MIMO-FIR channels. This paper presents a closed-form solution to computing the optimal zero-forcing equalizer for the AM method using the knowledge of second-order statistics of the transmitted signals and received signals. Numerical simulations are given to show the effectiveness of the AM method and the performance of the closed-form solution.
无线MIMO通信中自相关匹配方法的封闭解
无线MIMO(多输入多输出)通信技术提出了提高频谱效率,利用天线阵列,使宽带数据,如多媒体信号,可以在有限的带宽传输。AM(自相关匹配)方法是一种基于SOS(二阶统计)的盲MIMO- fir均衡技术,可以在不识别MIMO- fir信道的情况下实现无线MIMO通信。本文利用发射信号和接收信号二阶统计量的知识,提出了一种计算调幅法最优零强迫均衡器的封闭解。数值仿真结果表明了调幅法的有效性和闭式解的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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