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一种基于子空间的多速率DS-CDMA盲多用户检测器

A Blind Multiuser Detector Based on Subspace for Multirate DS-CDMA System
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摘要 提出了一种基于子空间的多速率DS CDMA盲多用户检测器,从理论和仿真两方面分析了该检测器的性能。该检测器的计算复杂度较低,有较强的抗远近效应和抗多址干扰的能力。 A blind multiuser detector based on subspace is proposed in the multirate DS-CDMA system. Its performance is analyzed theoretically and numerically. It offers lower computational complexity, better far-near resistance and less multi-access inference(MAI).
出处 《太原理工大学学报》 CAS 2004年第3期356-358,378,共4页 Journal of Taiyuan University of Technology
关键词 多速率 盲多用户检测 子空间 multirate blind multiuser detection subspace
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参考文献4

  • 1Ma Jinghong ,Jitendra K Tugnait. Blind detection of multirate asynchronous CDMA signals in muhipath channels[J]. IEEE Trans Signal Processing, 2002,50 (9): 2258-2272.
  • 2Chen Jiangxin ,Urbashi Mitra. Analysis of decorrelator-based receivers for multirate DS/CDMA communications[J]. IEEE Trans Vehicular Technology, 1999(4):1-5.
  • 3Wang Xiaodong , H Vincent Poor. Blind multiuser detection: a subspace approach[J]. IEEE Trans Information Theory,1998,44(2) :677-690.
  • 4Xu Zhengyuan . Asymptotic performance of subspace method for synchronous multirate CDMA systems[J]. IEEE Trans Signal Processing, 2002,50(8): 2015-2026.

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