Sun Yan-hua, Gong Ping, Wu Wei-ling. An Improved Algorithm Based on List Sequential Detector for MIMO System[J]. Journal of Electronics & Information Technology, 2007, 29(2): 260-264. doi: 10.3724/SP.J.1146.2005.00952
Citation:
Sun Yan-hua, Gong Ping, Wu Wei-ling. An Improved Algorithm Based on List Sequential Detector for MIMO System[J]. Journal of Electronics & Information Technology, 2007, 29(2): 260-264. doi: 10.3724/SP.J.1146.2005.00952
Sun Yan-hua, Gong Ping, Wu Wei-ling. An Improved Algorithm Based on List Sequential Detector for MIMO System[J]. Journal of Electronics & Information Technology, 2007, 29(2): 260-264. doi: 10.3724/SP.J.1146.2005.00952
Citation:
Sun Yan-hua, Gong Ping, Wu Wei-ling. An Improved Algorithm Based on List Sequential Detector for MIMO System[J]. Journal of Electronics & Information Technology, 2007, 29(2): 260-264. doi: 10.3724/SP.J.1146.2005.00952
An improved iterative detection algorithm is proposed in this paper, which introduces a new method of computing soft information based on the idea of semidefinite relaxation rather than on a list. Also a head-first list search algorithm is put forward to improve the performance of list sequential detector. Simulations show that the head-first list sequential detector outperforms the basic list sequential detector at the cost of little increasing complexity and the proposed iterative detector achieves the same performance of head-first list sequential detector but decreases the complexity.
[1] Telatar I E. Capacity of multi-antenna Gaussian channels. Bell Labs Technical Memo, June 1995. [2] Hochwald B M and Brink S T. Achieving near-capacity on a multiple-antenna channel[J].IEEE Trans. on Communications.2003, 51(3):389-399 [3] Steingrimsson B, Lou Z Q, and Wong K M. Soft quasi-maximum-likelihood detection for multiple antenna wireless channels[J].IEEE Trans. on Signal Processing.2003, 51(11):2710-2718 [4] Xu Weiyu and Wang Youzheng. Stack based detection algorithms for V-BLAST wireless system. The 5th international Symposium on Multi-Dimensional Mobile Communications Proceedings, 2004, vol 1: 313-317. [5] Baro S, Hagenauer J, and Witzke MI. Iterntive detection of MIIMIO transmission using a list sequential detector. IEEE International Conference on Communication, 2003 Anchorage, vol.4: 2653-2657. [6] Jalden J and Ottersten B. Reduced the average complexity of MIL detection using semidefinite relnxntion. IEEE Internntionnl Conference on Acoustics, Speech, and Signal Proc essing,2005,vol 3:iii/1021-iii/1024.