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频率选择性衰落信道中V-BLAST系统的改进概率译码算法

赵东峰 莫勇 李道本

赵东峰, 莫勇, 李道本. 频率选择性衰落信道中V-BLAST系统的改进概率译码算法[J]. 电子与信息学报, 2009, 31(6): 1420-1423. doi: 10.3724/SP.J.1146.2008.00747
引用本文: 赵东峰, 莫勇, 李道本. 频率选择性衰落信道中V-BLAST系统的改进概率译码算法[J]. 电子与信息学报, 2009, 31(6): 1420-1423. doi: 10.3724/SP.J.1146.2008.00747
Zhao Dong-feng, Mo Yong, Li Dao-ben. An Improved Iterative Decoding Algorithm for V-BLAST in the Frequency Selective Channel[J]. Journal of Electronics & Information Technology, 2009, 31(6): 1420-1423. doi: 10.3724/SP.J.1146.2008.00747
Citation: Zhao Dong-feng, Mo Yong, Li Dao-ben. An Improved Iterative Decoding Algorithm for V-BLAST in the Frequency Selective Channel[J]. Journal of Electronics & Information Technology, 2009, 31(6): 1420-1423. doi: 10.3724/SP.J.1146.2008.00747

频率选择性衰落信道中V-BLAST系统的改进概率译码算法

doi: 10.3724/SP.J.1146.2008.00747
基金项目: 

国家自然科学基金(90604035)资助课题

An Improved Iterative Decoding Algorithm for V-BLAST in the Frequency Selective Channel

  • 摘要: 该文结合双向M-BCJR算法,提出了一种用于频率选择性信道条件下的V-BLAST系统的改进迭代译码算法。该算法通过改进度量函数与引入Kullback-Leibler距离计算进行双向搜索的方法,在保持算法低复杂度的基础上,提高了算法性能。仿真结果验证了该算法的性能。
  • Foschini G J. Layered space-time architecture for wirelesscommunication in fading environment when usingmulti-element antennas [R]. Bell Labs Technical Journal,1996, 2(1): 41-59.[2]黄丘林, 史小卫. 衰落信道下MIMO-OFDM 系统信道容量分析 [J].电子与信息学报.2007, 29(12):2948-2951浏览[3]刘占利, 赵春明, 王静, 孟庆民. MIMO-OFDM 系统中的Turbo 子载波均衡 [J].电子与信息学报.2007, 29(1):148-151浏览[4]Berrou C, Glavieux A, and Thitimajshima P. Near Shannonlimit error-correcting coding and decoding : Turbo-codes [C][J].IEEE ICC1993. Geneva, May.1993, 2:1064-1070[5]Mackay D J C. Good error-correcting codes based on verysparse matrices [J].IEEE Trans. on Info. Theory.1999, 45(2):399-431[6]Lee Heunchul, Lee Byeongsi, and Lee Inkyu. Iterativedetection and decoding with an improved V-BLAST forMIMO-OFDM systems [J].IEEE Jounal of Selected Areas onCommunications.2006, 24(3):504-513[7]So Daniel K C and Cheng Roger S. Layered maximumlikelihood detection for MIMO systems in frequency selectivefading channels [J]. IEEE Trans. on WirelessCommunications, 2006, 5(4): 752-762.[8]Bahl L R, Cocke J, Jelinek F, and Raviv J. Optimal decodingof linear codes for minimizing symbol error rate [J]. IEEETrans. on Info. Theory, 1974, 20(1): 284-287.[9]Anderson J B. Limited search trellis decoding ofconvolutional codes [J].IEEE Trans. on Info. Theory.1989,35(9):944-955[10]Fragouli C, Al-Dhahir N, Diggavi S N, and Turin W.Prefiltered space-time M-BCJR equalizer for frequencyselectivechannels [J].IEEE Trans. on Communications.2002,50(5):742-753[11]Vithanage C M, Andrieu C, and Piechocki R J. Approximateinference in hidden markov models using iterative active stateselection [J]. IEEE Signal Processing Letters, Feb 2006, 13(2):65-68.[12]Bokolamulla D, Hansson A, and Aulin T M. Low-complexityiterative detection based on limited bi-directional search [J].IEE Proc. Communications.2006, 153(6):933-938[13]Vithanage Cheran M, Andrieu Christophe, and PiechockiRobert J. Novel reduced-state BCJR algorithms [J]. IEEETrans. on Communications, 2007, 55(6): 1144-1152.[14]Cover T and Thomas J. Elements of Information Theory [M].New York: Wiley, 1991: 18-19.
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出版历程
  • 收稿日期:  2008-06-06
  • 修回日期:  2008-10-06
  • 刊出日期:  2009-06-19

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