Semi-Blind HEBB-PPIC Multiuser Detection Algorithm

被引:0
|
作者
Li Yanping [1 ]
Zong Hengshan
Zhang Yongbo
机构
[1] Taiyuan Univ Technol, Coll Informat Engn, Taiyuan, Shanxi Province, Peoples R China
来源
2012 INTERNATIONAL CONFERENCE ON FUTURE ELECTRICAL POWER AND ENERGY SYSTEM, PT A | 2012年 / 17卷
关键词
Inter-cell interference; Hebb-PPIC; Multi-user Detection;
D O I
10.1016/j.egypro.2012.02.143
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Inter-cell interference greatly impairs the capacity of CDMA system. 4G era is coming with much severer inter-cell inte-rference, and it's important to find a good solution to inter-cell Interference cancellation. In this paper, the semi-blind Hebb-PPIC Multi-User Detection (MUD) algorithm which applied in the CDMA uplink is proposed. This approach fully utilizes all known users' information, performs Hebb-PPIC detector to suppress the int-erferers within the cell, and exploits the blind detector to suppress the inter-cell interference. Simulation results demonstrate that the proposed Hebb-PPIC semi-blind algorithm offers substantial perfo-rmance gains over the blind multi-user detection methods, and the Multiple Access Interference and Near-Far effect can be suppressed effectively in a CDMA uplink environment. (C) 2012 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Hainan University.
引用
收藏
页码:607 / 614
页数:8
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