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Volume 23 Issue 9
Sep.  2001
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Gao Hao-Lin, Peng Tian-Qiang, Li Bi-Cheng, Guo Zhi-Gang. A Fast Retrieval Method Based on Frequent Items Voting of Multi Table and Bucket Map Chain[J]. Journal of Electronics & Information Technology, 2012, 34(11): 2574-2581. doi: 10.3724/SP.J.1146.2012.00548
Citation: Wang Yong, You Xiaohu, Chen Ming, Cheng Shixin . A SEMIBLIND MULTIUSER DETECTION ALGORITHM IN MIMO DS/CDMA SYSTEMS[J]. Journal of Electronics & Information Technology, 2001, 23(9): 847-853.

A SEMIBLIND MULTIUSER DETECTION ALGORITHM IN MIMO DS/CDMA SYSTEMS

  • Received Date: 1999-09-20
  • Rev Recd Date: 2000-05-15
  • Publish Date: 2001-09-19
  • Multiuser Detection (MUD) is a key technique in DS/CDMA systems. Antenna array has also promoted the investigation of Multiple Input Multiple Output(MIMO) system. In this paper a MUD method combined with MIMO considerations is proposed for multiuser interference reduction in antenna array DS/CDMA system. The knowledge that the base station knows many users spreading codes is utilized to form a semiblind MUD algorithm. This algorithm can work under slow fading environment, and simulation proves the superiority of the semiblind algorithm over the conventional blind algorithm.
  • S. Verdu, Minimum probability of error for asynchronous Gaussian multiple-access channels, IEEE Trans. on Info. Theory, 1986, 32(1), 85-96.[2]R. Lupas, S. Verdu, Linear multiuser detectors for synchronous code-division multiple-access channels, IEEE Trans. on Info. Theory, 1989, 35(1), 123-136.[3]R. Lupas, S. Verdu, Near-far resistance of multiuser detectors in asynchronous channels, IEEE Trans. on Comm., 1990, 38(4), 496-508.[4]Vafa Ghazi-Moghadam, Mostafa Kaveh, A CDMA interference canceling receiver with an adaptive blind array, IEEE J. on SAC, 1998, 16(8), 1542-1554.[5]T.F. Wong, T. M. Lok, J. S. Lehnert, M. D. Zoltovski, A linear receiver for direct-sequence spread-spectrum multiple-access systems with antenna arrays and blind adaptation, IEEE Trans.on Info. Theory, 1998, 44(2), 659-676.[6]Hui Liu, Michael D. Zoltowski, Blind euqalization in antenna array CDMA systems, IEEE Trans.on Signal Processing, 1997, 45(1), 161-171.[7]S.Y. Miller, S. C. Schwartz, Integrated spatial-temporal detectors for asynchronous Gaussian multiple-access channels, IEEE Trans. on Comm., 1995, 43(2/3/4), 396-411.[8]李国通,CDMA系统中的空间时间处理,[博士论文],杭州,浙江大学,1999.3.[9]Hui Liu, Guanghan Xu, Smart antennas in wireless systems: Uplink multiuser blind channel and sequence detection, IEEE Trans. on Comm., 1997, 45(2), 187-199.[10]Ye Li, K. J. Ray Liu, Adaptive blind source seperation and equalization for multipleinput/multiple-output systems, IEEE Trans. on Info. Theory, 1997, 44(10), 2864-2876.[11]A.J. Veen, S. Talwar, A. Paulraj, A subspace approach to blind space-time signal processing for wireless communication systems, IEEE Trans. on Signal Processing, 1997, 45(1), 173-190.[12]X. Wang, H. V. Poor, Blind equalization and multiuser detection in dispersive CDMA channels,IEEE Trans. on Comm., 1998, 46(1), 91-103.[13]E. Moulines, P. Duhamel, J. F. Cardoso, S. Mayrargue, Subspace methods for the blind identification of multichannel FIR filters, IEEE Trans. on Signal Processing, 1995, 43(2), 516-525.[14]M. Honig, U. Madhow, S. Verdu, Blind adaptive multiuser detection, IEEE Trans. on Info.Theory, 1995, 41(4), 944-960.[15]Xiaodong Wang, H. Vincent Poor, Space-time multiuser detection in multipath CDMA channels,IEEE Trans. on Signal Processing, 1999, 47(9), 2356-2374.[16]David Gesbert, Joakim Sorelius, Petre Stoica, A. Paulraj, Blind multiuser MMSE detector for CDMA signals in ISI channels, IEEE Comm. Lett., 1999, 3(8), 233-235.
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