An Adaptive Blind Multiuser Detection Based on Constraint Least Mean Fourth

ZHENG Lin; OUYANG Shan

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An Adaptive Blind Multiuser Detection Based on Constraint Least Mean Fourth

更新时间：2025-07-16

- An Adaptive Blind Multiuser Detection Based on Constraint Least Mean Fourth
- Acta Electronica Sinica Vol. 34, Issue 9, Pages: 1631-1634(2006)
- 作者机构：
  
  1. 西安电子科技大学通信工程学院,陕西,西安,710071
  2. 桂林电子科技大学通信与信息工程系,广西,桂林,541004
  3. 西安电子科技大学通信工程学院陕西西安,710071
  4. 桂林电子科技大学通信与信息工程系广西桂林,541004
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN914.5
- Published Online：25 September 2006，
  
  Published：2006
- 稿件说明：
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ZHENG Lin, OUYANG Shan. An Adaptive Blind Multiuser Detection Based on Constraint Least Mean Fourth[J]. Acta Electronica Sinica, 2006, 34(9): 1631-1634.
DOI：

ZHENG Lin, OUYANG Shan. An Adaptive Blind Multiuser Detection Based on Constraint Least Mean Fourth[J]. Acta Electronica Sinica, 2006, 34(9): 1631-1634. DOI：

摘要

基于约束最小四阶矩(Least Mean Fourth

LMF)准则

提出了一种新的高阶统计类型的盲多用户检测方法.通过理论分析和证明

采用此准则的盲多用户检测算法能够收敛于全局最小值

且该极值点符合多用户信号迫零解相关的要求.利用最速下降梯度方法

文中给出了盲自适应LMF接收机形式.该多用户接收机具有运算复杂度低

收敛性能好的特点.在AWGN信道和多用户环境中的仿真结果进一步验证了理论分析的结论.

Abstract

In CDMA system

a constrained least mean fourth (LMF) criterion is proposed to construct a multi-user detection algorithm.The criterion is proven to have global minima in AWGN environment

and these stationary points can all decorrelate the multiuser signal as expected.The algorithm is a higher-order statistics type approach.Furthermore

an adaptive multiuser detector is obtained by using the method of the steepest descent.The detector has the virtues of global convergence and low computational complexity.In AWGN channel and multiuser environment

the simulation is studied and its results further demonstrate theoretic conclusion.

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