Clonal selection algorithm for multiuser detection in multicarrier DS-CDMA system

被引：0
|
作者：
Zhang, LY [1 ]
Zhang, R [1 ]
Wang, HY [1 ]
机构：
[1] Harbin Univ Sci & Technol, Sch Measurement Control Technol & Commun Engn, Harbin 150040, Peoples R China
来源：
PROCEEDINGS OF THE 2004 CHINA-JAPAN JOINT MEETING ON MICROWAVES | 2004年
关键词：
cloning; code division multiple access; signal detection; computational complexity;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we applied Clonal selection algorithm (CLONALG) as a suboptimal multiuser detection technique in synchronous Multicarrier direct sequence CDMA (MC-DS-CDMA) system over fading channels. Using greedy search and combinatorial optimization ability of CLONALG determine special combination of each user symbol bit transmitted. It is shown that the proposed CLONALG scheme detector not only has the performance of combating multiple access interference (MAI) but also offer a trade-off between an average BER performance and detection time by adjusting its parameters. Comparing with optimum multiuser detection, the CLONALG scheme can obviously reduce computational complexity, especially for a high number of users.
引用
收藏
页码：463 / 468
页数：6
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