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平坦衰落MIMO信道的序列蒙特卡罗双层迭代检测

丁睿 高西奇 尤肖虎

丁睿, 高西奇, 尤肖虎. 平坦衰落MIMO信道的序列蒙特卡罗双层迭代检测[J]. 电子与信息学报, 2008, 30(12): 2955-2958. doi: 10.3724/SP.J.1146.2007.00857
引用本文: 丁睿, 高西奇, 尤肖虎. 平坦衰落MIMO信道的序列蒙特卡罗双层迭代检测[J]. 电子与信息学报, 2008, 30(12): 2955-2958. doi: 10.3724/SP.J.1146.2007.00857
Ding Rui, Gao Xi-Qi, You Xiao-Hu. Sequential Monte Carlo Double Iterative Detection for Flat Fading MIMO Channel[J]. Journal of Electronics and Information Technology, 2008, 30(12): 2955-2958. doi: 10.3724/SP.J.1146.2007.00857
Citation: Ding Rui, Gao Xi-Qi, You Xiao-Hu. Sequential Monte Carlo Double Iterative Detection for Flat Fading MIMO Channel[J]. Journal of Electronics and Information Technology, 2008, 30(12): 2955-2958. doi: 10.3724/SP.J.1146.2007.00857

平坦衰落MIMO信道的序列蒙特卡罗双层迭代检测

doi: 10.3724/SP.J.1146.2007.00857

Sequential Monte Carlo Double Iterative Detection for Flat Fading MIMO Channel

  • 摘要: 针对平坦衰落MIMO信道,该文在传统采样检测技术仅依靠时间或空间样本的基础上,提出一种基于序列蒙特卡罗的空时双层迭代采样检测算法。算法将符号的后验概率计算分解为多维的空时双层积分,利用序列蒙特卡罗技术在空间和时间维度上抽取样本,通过加权样本累加得到多维积分的解;同时利用时间样本对信道进行联合估计。仿真结果表明算法可以逼近理想条件下的最优性能,并具有较低的计算复杂度。
  • [1] Wolniansky P W, Foschini G J, and Golden G D, et al..V-BLAST: An architecture for realizing very high data ratesover the rich-scattering wireless channel[C]. in Proc. Int.Symp. Signals, Syst., Electron., Pisa, Italy, Sep. 1998:295-300. [2] Golden G D, Foschini G J, and Valenzuela R A, et al..Detection algorithm and initial laboratory results usingV-BLAST space-time communication architecture[J].Electron. Lett.1999, 35(1):14-16 [3] Viterbo E and Boutros J. A universal lattice code decoder forfading channels[J].IEEE Trans. on Information Theory.1999,45(5):1639-1642 [4] Hochwald B M and Brink S T. Achieving near-capacity on amultiple-antenna channel[J].IEEE Trans. on Communica-tions.2003, 51(3):389-399 [5] Liu J and Chen R. Sequential Monte Carlo methods fordynamic systems[J].J. Amer. Statist. Assoc.1998, 93(443):1032-1044 [6] Doucet A, Godsill S J, and Andrieu C. On sequential MonteCarlo sampling methods for Bayesian filtering[J].Statist.,Comput.2001, 10(3):197-208 [7] Dong B, Wang X, and Doucet A. A new class of MIMOdemodulation algorithms[J].IEEE Trans. on SignalProcessing.2003, 51(11):2752-2763 [8] Guo D and Wang X. Blind detection in MIMO systems viasequential Monte Carlo[J].IEEE J. Sel. Areas Commun.2003, 21(3):464-473 [9] Dong B and Wang X. Sampling-based soft equalization forfrequency-selective MIMO channels[J].IEEE Trans. onCommunications.2005, 53(2):278-288 [10] Su Y T, Zhang X D, and Zhu X L. A low-complexitysequential Monte Carlo algorithm for blind detection inMIMO systems[J].IEEE Trans. on Signal Processing.2006,54(7):2485-2496
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出版历程
  • 收稿日期:  2007-06-01
  • 修回日期:  2008-02-04
  • 刊出日期:  2008-12-19

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