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引用本文：

吴志刚,龚耀寰.基于MMSE横式滤波器和PIC联合的MUD算法[J].电讯技术，2004，44（4）：29 - 33. [点击复制]
.Multiuser Detection Algorithm Based on the Joint of MMSE Horizontal Filter and Parallel Interference Cancellation[J].，2004，44（4）：29 - 33. [点击复制]

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基于MMSE横式滤波器和PIC联合的MUD算法

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摘要:

多用户检测(MUD)是有效地抑制多址干扰(MAI)的关键技术。本文在对各种现有MUD算法的特点进行认真分析的基础上，提出了将最小均方误差(MMSE)横式滤波器与并行干扰对消(PIC)相结合的联合检测结构。计算机仿真结果表明，该算法计算复杂度不高，性能明显优于传统的MUD算法，具有一定的实际应用价值。

关键词: 码分多址多址干扰 MMSE 并行干扰对消多用户检测

DOI：10.3969/j.issn.1001-893X.

基金项目:国家863计划项目"新型天线及分集技术研究"基金资助(2002AA123032)

Multiuser Detection Algorithm Based on the Joint of MMSE Horizontal Filter and Parallel Interference Cancellation

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Abstract:

Multiuser detection (MUD) is a key technique for combating multiple access interference(MAI) effectively.This paper analyses and compares the characteristics of existing multiuser detectors,and brings forward the algorithms of jointing MMSE horizontal filter and Parallel Interference Cancellation(PIC) together.Simulations show that these algorithms converge faster and have better performances,so they have application value.

Key words: CDMA,Multiple access interference(MAI),MMSE,Parallel Interference Cancellation(PIC),Multiuser detection(MUD)