GA based adaptive receiver for MC-CDMA system

被引：38
|
作者：
Khan, Muhammad Adnan [1 ]
Umair, Muhammad [1 ]
Choudhry, Muhammad Aamer Saleem [1 ]
机构：
[1] Isra Univ, Sch Engn & Appl Sci, Islamabad, Pakistan
来源：
TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES | 2015年 / 23卷
关键词：
Multiple input and multiple output; multicarrier code division multiple access; space time block coding; genetic algorithm;
D O I：
10.3906/elk-1303-202
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Multicarrier systems like the multicarrier code division multiple access (MC-CDMA) systems are designed for maximum usability of available bandwidth. We use the MC-CDMA system with Alamouti's space time coding in this paper. We propose the genetic algorithm (GA) in order to calculate MC-CDMA receiver weights with two variation schemes. The proposed schemes reduce receiver complexity. The bit error rate and convergence rate are also improved by increasing the number of genes and chromosomes of the GA in both schemes as compared with conventional LMS based receivers of the MC-CDMA system. This is verified via simulations.
引用
收藏
页码：2267 / 2277
页数：11
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