Performance analysis for OFDM-CDMA with joint frequency-time spreading

被引：26
作者：
Zheng, K [1 ]
Zeng, GY [1 ]
Wang, WB [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Telecommun Engn, Beijing 100876, Peoples R China
来源：
IEEE TRANSACTIONS ON BROADCASTING | 2005年 / 51卷 / 01期
关键词：
CDMA; maximum ratio combining; multiple access; OFDM;
D O I：
10.1109/TBC.2004.839609
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, a novel OFDM-CDMA system with joint time-frequency spreading methods is proposed. The average bit error probability of the proposed system using maximum-ratio combining (MRC) is derived for a frequency-selective fading channel and that of conventional MC-CDMA is also presented for comparison. Numerical analysis and simulation results indicate that the proposed system outperforms MC-CDMA system.
引用
收藏
页码：144 / 148
页数：5
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