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Blind Detection in CDMA Systems Based Nonparametric Likelihood Ratio Criterion(PDF)

《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

Issue:
2009年04期
Page:
50-53
Research Field:
测控技术与通信工程
Publishing date:

Info

Title:
Blind Detection in CDMA Systems Based Nonparametric Likelihood Ratio Criterion
Author(s):
WEI Qi; ZHANG Xiang-yang; SU Xiao-yu
School of Electric and Electronic Engineering; Harbin University of Science and Technology; Harbin 150040; China
Keywords:
blind multiuser detection independent component analysis nonparametric likelihood ratio
PACS:
TN929.533
DOI:
-
Abstract:
This paper presents a blind interference suppression algorithm used in DS-CDMA system.The algorithm is a nonparametric likelihood ratio(NLR) criterion added to the classic ICA algorithm to decrease the data error rate and improve system performance markedly.The simulation results show that this new algorithm provides better interference suppression and reduce the requirements of the SNR than the other two methods which not use NLR criterion.

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Last Update: 2009-11-12