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一种组合的LSD和DFE V-BLAST检测算法

肖海勇 毕光国 金秀峰

肖海勇, 毕光国, 金秀峰. 一种组合的LSD和DFE V-BLAST检测算法[J]. 电子与信息学报, 2007, 29(1): 143-147. doi: 10.3724/SP.J.1146.2005.00571
引用本文: 肖海勇, 毕光国, 金秀峰. 一种组合的LSD和DFE V-BLAST检测算法[J]. 电子与信息学报, 2007, 29(1): 143-147. doi: 10.3724/SP.J.1146.2005.00571
Xiao Hai-yong, Bi Guang-guo, Jin Xiu-feng. Combined LSD and DFE Detection for V-BLAST[J]. Journal of Electronics & Information Technology, 2007, 29(1): 143-147. doi: 10.3724/SP.J.1146.2005.00571
Citation: Xiao Hai-yong, Bi Guang-guo, Jin Xiu-feng. Combined LSD and DFE Detection for V-BLAST[J]. Journal of Electronics & Information Technology, 2007, 29(1): 143-147. doi: 10.3724/SP.J.1146.2005.00571

一种组合的LSD和DFE V-BLAST检测算法

doi: 10.3724/SP.J.1146.2005.00571
基金项目: 

国家自然科学基金重大项目(60496311)资助课题

Combined LSD and DFE Detection for V-BLAST

  • 摘要: 在多天线系统中,BLAST是提高系统通信容量的有效方式。最简单的空间复用方式是V-BLAST,它的检测算法相对简单,有ZF-DFE,MMSE-DFE,ML和ML-DFE等检测算法。该文在这几种算法的基础上,讨论了改进ML-DFE性能的方法,给出了ZF和MMSE方式的组合LSD和DFE检测算法。仿真表明LSD算法只需输出3个检测结果,在复杂度增加不多的条件下,就可以获得大的性能改进,而MMSE方式的算法较ZF算法有更好的性能。
  • [1] Wolniansky P W, Foschini G J, and Golden G D, et al.. V-BLAST: An architecture for realizing very high data rates over the rich-scattering wireless channel[J].IEEE ISSSE98. Pisa, Italy, Sept.1998, 1:295-300 [2] Hassibi B. An efficient square-root algorithm for BLAST. in Proc. IEEE Intl. Conf. Acoustic, Speech, Signal Processing, Istanbul, Turkey, June 2000: 5-9. [3] Hochwald B M and ten Brink S. Achieving near-capacity on a multiple-antenna channel[J].IEEE Trans. Comm.2003, 51(3):389-399 [4] Foschini G J, Golden G D, and Valenzuela R A, et al.. Simplified processing for high spectral efficiency wireless communication employing multi-element arrays. IEEE J.SAC, 1999, 17(11): 1841-1852. [5] Choi W, Negi R, and Cioffi J M. Combined ML and DFE decoding for the V-BLAST system. in Proc. ICC 2000, New Orleans, LA, 2000: 1243-1248. [6] Golub G H and Van Loan C F. Matrix Computations, 3rd ed., Baltimore and London: The Johns Hopkins University Press. 1996, chapter 5. [7] Hassibi B and Vikalo H. On the expected complexity of sphere decoding. in Proc. Signals, Systems and Computers, Pacific Grove, CA, 2001: 1051-1055.
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出版历程
  • 收稿日期:  2005-05-23
  • 修回日期:  2005-10-08
  • 刊出日期:  2007-01-19

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