On the performance of LDPC coded MC-CDMA in Rayleigh fading channels

被引：0
|
作者：
Xiong, L [1 ]
Tan, ZH [1 ]
Wen, YH [1 ]
Chen, XA [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing 100044, Peoples R China
来源：
IEEE 2005 International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications Proceedings, Vols 1 and 2 | 2005年
关键词：
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 evaluate the performance of LDPC coded MC-CDMA in Rayleigh fading channels. We derive an exact expression of the, variance of multiuser interference and obtain the optimal maximum number of iterations in LDPC decoding. Compared to turbo coded MC-CDMA, the LDPC coded MC-CDMA has advantages in BER performance and complexity. The simulation results also show that the system using MMSEC outperforms the system using MRC in BER performance and complexity.
引用
收藏
页码：1178 / 1181
页数：4
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