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Blind Multiuser Detection in Multipath CDMA Channels Based on Subspace Tracking
Author(s): 
Pages: 46-48
Year: Issue:  3
Journal: MEASUREMENT & CONTROL TECHNOLOGY

Keyword:  码分多址盲多用户检测子空间跟踪;
Abstract: 算法收敛性与计算复杂度之间的矛盾是目前基于子空间的多用户检测技术难以投入实际应用的主要问题.将内部模型法则(IMP)与PAST算法相结合,提出了一种改进的子空间跟踪算法--newPAST-IMP算法,并应用于盲MMSE检测器中.该方法收敛速度快,跟踪性能好且计算复杂度较低.仿真表明,该检测器具有优异的抗多址、多径干扰以及抗远近效应的能力.
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