MIMO系统的低复杂度两级检测方案

2007 IEEE Information Theory Workshop on Information Theory for Wireless Networks Pub Date : 2007-07-01 DOI:10.1109/ITWITWN.2007.4318062

M. Chouayakh, A. Knopp, B. Lankl

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引用次数: 12

摘要

本文为MIMO系统提供了一种接近最大似然性能的方法，大大减少了计算量。该方法基于两步检测。第一步检测将通过使用MMSE均衡器和随后的决策单元来执行。第二步是简化搜索(RS)算法，该算法仅应用于第一步检测到的符号的邻域。由于复杂性的原因，RS算法只处理最不可靠的符号。仿真结果表明，该MMSE RS检测器优于MMSE V-BLAST检测器。它使用相同的复杂度提供了改进的性能。

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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Low Complexity Two Stage Detection Scheme for MIMO Systems

This paper provides an approach to reach a near maximum likelihood performance, for MIMO systems, with a strongly reduced computational effort. This method is based on a two-step detection. The first detection step will be performed by using a MMSE equalizer and a subsequent decision unit The second step is a reduced search (RS) algorithm, that is applied only in a neighborhood of the detected symbols of the first step. For complexity reasons only the least reliable symbols are processed by the RS algorithm. The simulation results show that this MMSE RS detector outperforms the MMSE V-BLAST detector. It provides an improved performance using the same complexity.

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2007 IEEE Information Theory Workshop on Information Theory for Wireless Networks

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