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Volume 26 Issue 5
May  2004
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Lan Yang, Wang Hai-feng, Chen Ming, Cheng Shi-xin . Partial Decision OSIC:a Modified Detection Algorithm for VBLAST[J]. Journal of Electronics & Information Technology, 2004, 26(5): 760-765.
Citation: Lan Yang, Wang Hai-feng, Chen Ming, Cheng Shi-xin . Partial Decision OSIC:a Modified Detection Algorithm for VBLAST[J]. Journal of Electronics & Information Technology, 2004, 26(5): 760-765.

Partial Decision OSIC:a Modified Detection Algorithm for VBLAST

  • Received Date: 2002-12-22
  • Rev Recd Date: 2003-03-28
  • Publish Date: 2004-05-19
  • Ordered Successive Interference Cancellation (OSIC), the conventional detec-tion algorithm for VBLAST, decreases the complexity, comparing with the Maximum Like-lihood (ML), but its performance is much worse than that of ML. In this paper, Partial Decision OSIC (PD_OSIC), a modified detection algorithm is presented for VBLAST. It in-creases the number of candidate decision symbols and uses ML detection in the last layer, so it improves the detection performance. The simulation results show that the algorithm proposed gets far better performance than OSIC.
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  • Foschini G J, Gans M J. On limits of wireless communications in a fading environment when using multiple antennas[J].Wireless Personal Communications.1998, 6(3):311-335[2]Golden G D, Foschini G J, Valenzuela R A, Wolniansky P W. Detection algorithm and initial laboratory results using V-BLAST space-time communication architecture[J].IEE Electronics Letter.1999, 35(1):14-16[3]Foschini Jr. G J, Golden G D, Valenzuela R A, Wolniansky P W. Simplified processing for high spectral effciency wireless communication employing multi-element arrays. IEEE J. on Select.Areas Commun., 1999, 17(11): 1841-1851.[4]Wolniansky P W, Foschini G J, Golden G D, Valenzuela R A. V-BLAST: An architecture for realizing very high data rates over the rich-scattering wireless channel. ISSSE, Pisa, Italy, 1998:295-300.[5]Chin W H, Constantinides A G, Ward D B. Parallel multistage detection for multiple antenna wireless systems[J].Electronics Letters.2002, 38(12):597-599[6]Golub G H, Van LoanC F. Matrix Computations. Baltimore: Johns Hopkins University Press,MD, 3rd edition, 1996: 237-305.[7]Wong Kwan Wai, Chi-Ying Tsui, Cheng R S. A low complexity architecture of the V-BLAST system. Wireless Communications and Networking Conference, WCNC. IEEE, Chicago, 2000,vol.1: 310-314.
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