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Volume 31 Issue 1
Dec.  2010
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Xu Jin, Tao Xiao-feng, Zhang Ping. Coded MIMO Detection Based on Iterative Channel Soft Information[J]. Journal of Electronics & Information Technology, 2009, 31(1): 57-60. doi: 10.3724/SP.J.1146.2007.01202
Citation: Xu Jin, Tao Xiao-feng, Zhang Ping. Coded MIMO Detection Based on Iterative Channel Soft Information[J]. Journal of Electronics & Information Technology, 2009, 31(1): 57-60. doi: 10.3724/SP.J.1146.2007.01202

Coded MIMO Detection Based on Iterative Channel Soft Information

doi: 10.3724/SP.J.1146.2007.01202
  • Received Date: 2007-07-16
  • Rev Recd Date: 2008-01-27
  • Publish Date: 2009-01-19
  • In this paper, the influence of error propagation on soft demodulation in coded MIMO system is analyzed in detail. Besides, based on the thought of soft symbol interference cancellation, Iterative Channel Soft Information (ICSI) for coded MIMO system is further deduced and proved to have the same form as the inverse of row norm of Moore-Penrose inverse of channel matrix. Theoretical analysis and simulation results indicate that the proposed coded MIMO detection algorithm based on ICSI could improve the system performance effectively without additional calculation complexity.
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  • Recommendation ITU-R M.1645. Framework and overallobjectives of the future development of IMT-2000 and systembeyond IMT-2000[S], 2003.[2]Zhang Ping, Tao Xiaofeng, and Zhang Jianhua, et al.. Thevisions from FuTURE beyond 3G TDD. IEEECommunications Magazine, 2005, 43(1): 38-44.[3]Telatar I E. Capacity of multi-antenna Gaussian channels[J].European Trans. on Telecommunications.1999, 10(6):585-595[4]Foschini G J and Gans M J. On limits of wirelesscommunications in a fading environment when using multipleantennas[J].Wireless Personal Communications.1998, 6(3):311-335[5]Berrou C and Glavieux A. Near optimum error-correctingcoding and decoding: Turbo codes[J].IEEE Trans. onCommunications.1996, 44(10):1261-1271[6]Sellathurai M and Haykin S. Turbo-BLAST for wirelesscommunications: Theory and experiments[J].IEEE Trans. onSignal Processing.2002, 50(10):2538-2546[7]Foschini G J. Layered space-time architecture for wirelesscommunication in a fading environment when usingmulti-element antennas[J].Bell Labs Technical Journal.1996,1(2):41-59[8]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. IEEE InternationalSymposium on Secure Software Engineering, Pisa, Italia,1998: 295-300.[9]Golden G D and Foschini G J. Detection algorithm and initiallaboratory results using V-BLAST space-timecommunication architecture[J].Electron. Letter.1999, 35(1):14-16[10]Li Yabo and Xia Xianggen. Iterative demodulation/decodingmethods based on Gaussian approximation for Lattice basedspace-time coded systems. IEEE Trans. on WirelessCommunications, 2006, 5(8): 1976-1983.[11]王小东.[J].Poor H V 等. 无线通信系统信号接收与处理的高级技术. 北京: 电子工业出版社.2005,:-[12]程云鹏, 张凯院, 徐仲等. 矩阵论. 第3 版, 西安: 西北工业大学出版社, 2006: 315-319.Cheng Yun-peng, Zhang Kai-yuan, and Xu Zhong, et al..Matrix Theory. 3rd Edition, Xian: NorthwestenPolytechnical University Press, 2006: 315-319.[13][13] 3GPP TS 25.222, Multiplexing and channel coding (TDD)(V6.2.0)[S]. 2004.
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