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MIMO系统中一种低复杂度联合检测算法 被引量：4

A Low-complexity Joint Detection Algorithm for MIMO Channels
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摘要 本文改进了概率数据辅助(probabilistic data association,PDA)算法,将其应用于MIMO(multiple-input multi- ple-output)系统中,并提出了一种partial-PDA+LDPC联合检测算法,比PDA+LDPC联合检测算法的计算复杂度更低。计算机仿真结果显示,partial-PDA+LDPC联合检测算法能够取得非常接近于PDA+LDPC联合检测算法的系统性能。 In this paper, we derive a modified probabilistic data association （PDA）algorithm for MIMO channels, and present a partial-PDA ＋ LDPC joint detection algorithm, which has a low computational complexity than the PDA ＋ LDPC joint detection algorithm. Simulation results show that, the performance of partial-PDA ＋ LDPC joint detection algorithm can well approximate to that of the PDA ＋ LDPC joint detection algorithm.
作者 梅中辉 殷玮玮 吴乐南
机构地区 东南大学无线电工程系
出处 《信号处理》 CSCD 北大核心 2007年第1期112-115,共4页 Journal of Signal Processing
基金 国家自然科学基金资助(60472054)
关键词 概率数据辅助(PDA)算法 联合检测 低密度校验码(LDPC) 多入多出(MIMO) probabilistic data association（PDA） joint detection low-density parity-check codes（LDPC） multiple-input multiple-output （MIMO）
分类号 TP273 [自动化与计算机技术—检测技术与自动化装置]
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参考文献12

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同被引文献51

  • 1吴乐南等.高频带利用率的信息调制和解调方法[P].发明专利公开号:1494284,2004.
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信号处理
2007年 第1期

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