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稳健的高效MIMO检测器 被引量：1

Robust Efficient MIMO Detector
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摘要 无偏最小均方误差迭代树搜索(MMSE-ITS)检测器是目前性能最好的多输入多输出(MIMO)检测器之一。该文通过选择性地扩展部分长度路径和添加一位互补矢量,对无偏MMSE-ITS检测器作了改进。仿真和分析结果表明,和无偏MMSE-ITS检测算法相比,改进算法能以相对较低的处理复杂度获得更好的检测性能。另外,改进的检测器彻底避免了削剪处理,对MIMO信道状况具有较好的适应性,稳健性较强。 The unbiased Minimum Mean-Square Error-Iterative Tree Search（MMSE-ITS） detector,which is known to be one of the most efficient Multi-Input Multi-Output（MIMO） detectors available,is improved by selectively augmenting partial length paths and by adding one bit complement vectors.Simulation and analysis results show that the improved detector provides better detection performance with lower complexity than the unbiased MMSE-ITS detector does.In addition,the improved.detector avoids the clipping operation completely and is robust to any MIMO channels.
作者 胡军锋 张海林 杨远
机构地区 西安电子科技大学综合业务网理论及关键技术国家重点实验室 中国电子科技集团公司第二十研究所
出处 《电子与信息学报》 EI CSCD 北大核心 2009年第11期2665-2670,共6页 Journal of Electronics & Information Technology
基金 陕西省自然科学基础研究计划项目(2006F30)资助课题
关键词 多输入多输出 低密度奇偶校验码 空时比特交织编码调制 迭代检测 Multi-Input Multi-Output（MIMO） Low-Density Parity-Check（LDPC） codes Space-Time Bit-Interleaved Coded Modulation（ST-BICM） Iterative detection
分类号 TN911.25 [电子电信—通信与信息系统]
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参考文献22

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二级参考文献12

  • 1孙艳华,龚萍,梁鹏,吴伟陵.基于列表的迭代分枝定界MIMO检测算法[J].北京邮电大学学报,2006,29(5):50-53. 被引量：3
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电子与信息学报
2009年 第11期

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