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Volume 29 Issue 6
Jan.  2011
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Yang Yi-jin, Zhao Chun-ming, Zhou Peng, Gong Xiao-qun. An Efficient Detection Algorithm for MIMO Systems Approaching ML Performance[J]. Journal of Electronics & Information Technology, 2007, 29(6): 1276-1280. doi: 10.3724/SP.J.1146.2005.01390
Citation: Yang Yi-jin, Zhao Chun-ming, Zhou Peng, Gong Xiao-qun. An Efficient Detection Algorithm for MIMO Systems Approaching ML Performance[J]. Journal of Electronics & Information Technology, 2007, 29(6): 1276-1280. doi: 10.3724/SP.J.1146.2005.01390

An Efficient Detection Algorithm for MIMO Systems Approaching ML Performance

doi: 10.3724/SP.J.1146.2005.01390
  • Received Date: 2005-10-31
  • Rev Recd Date: 2006-05-18
  • Publish Date: 2007-06-19
  • An efficient Sphere Decoding (SD) algorithm is proposed for uncoded Multi-Input Multi-Output (MIMO) systems with a large number of antennas and higher modulation constellations. This method utilizes a channel-based group detection strategy. The transmitted symbols on each substream are detected by performing sphere decoding within each group and successive interference canceling between groups. Analyses and simulations demonstrate that the proposed algorithm can approach Maximum Likelihood (ML) detection with a relatively low complexity.
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  • Jalden J and Ottersten B. On the complexity of sphere decoding in digital communications[J].IEEE Trans. on Signal Proc.2005, 53(4):1474-1484[2]Golden G D, Foschini G J, and Valenzuela R A, et al.. Detection algorithm and initial laboratory results using the V-BLAST space-time communication architecture[J].Electron. Lett.1999, 35(1):14-15[3]Rekaya G and Belfiore J C. Complexity of ML lattice decoders for the decoding of linear full rate space-time codes[C]. IEEE International Symposium on Information Theory (ISIT), Yokohama, Japan, 2003: 206-206.[4]Guo Z and Nilsson P. Reduced complexity Schnorr-Euchner decoding algorithms for MIMO systems[J].IEEE Commun. Lett.2004, 8(5):286-288[5]Kang J W and Kwang B E. Simplified ML detection scheme for MIMO systems[C]. IEEE Vehicular Technology Conference, Orlando, USA, 2004: 824-827.[6]Cui T and Tellambura C. Approximate ML detection for MIMO systems using multistage sphere decoding[J].IEEE Signal Proc. Lett.2005, 12(3):222-225[7]Agrell E, Eriksson T, and Vardy A, et al.. Closest point search in lattices[J].IEEE Trans. on Inform. Theory.2002, 48(8):2201-2214[8]Fincke U and Pohst M. Improved methods for calculating vectors of short length in a lattice, inlcuding a complexity analysis[J].Math. Computat.1985, 44(170):463-471[9]Viterbo E and Boutros J. A universal lattice code decoder for fading channels[J].IEEE Trans. on Inform. Theory.1999, 45(5):1639-1642[10]Hochwald B and Brink S T. Achieving near-capacity on a multipleantenna channel[J].IEEE Trans. on Commun.2003, 51(3):389-399
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