Adaptive Subchannel Allocation for MC-CDMA System

被引：0

作者：

Li, Cuiran ^{[1
]}

Xie, Jianli

Li, Chengshu ^{[1
]}

机构：

[1] No JiaoTong Univ, Dept Elect Engn, Beijing, Peoples R China

来源：

PROCEEDINGS OF WORLD ACADEMY OF SCIENCE, ENGINEERING AND TECHNOLOGY, VOL 7 | 2005年 / 7卷

关键词：

MC-CDMA; Rayleigh fading; Narrowband interference; Channel estimation;

D O I：

暂无

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Multicarrier code-division multiple-access is one of the effective techniques to gain its multiple access capability, robustness against fading, and to mitigate the ISI. In this paper, we propose an improved mulcarrier CDMA system with adaptive subchannel allocation. We analyzed the performance of our proposed system in frequency selective fading environment with narrowband interference existing and compared it with that of parallel transmission over many subchannels (namely, conventional MC-CDMA scheme) and DS-CDMA system. Simulation results show that adaptive subchannel allocation scheme, when used in conventional multicarrier CDMA system, the performance will be greatly improved.

引用

页码：422 / 425

页数：4

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