A Robust Adaptive MMSE Rake Receiver for DS-CDMA System in a Fast Multipath Fading Channel

被引：0
|
作者：
Jeong, Kilsoo [1 ]
Yokoyama, Mitsuo [1 ]
Uehara, Hideyuki [1 ]
机构：
[1] Toyohashi Univ Technol, Dept Informat & Comp Sci, Toyohashi, Aichi 4418580, Japan
来源：
RADIOENGINEERING | 2006年 / 15卷 / 04期
关键词：
DS-CDMA; modified MMSE; time-varying multipath fading; Rake receiver;
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 propose a robust adaptive minimum mean square error (MMSE) Rake receiver for asynchronous DS-CDMA systems. The receiver uses the modified MMSE criterion that incorporates the differential detection and the amplitude compensation for interference cancellation in a time-varying multipath fading channel. We investigate that the proposed Rake receiver can achieve the higher output signal to interference plus noise ratio (SINR) than the conventional adaptive Rake receiver, since the modified MMSE criterion does not attempt to track the time-varying MMSE solution. Computer simulations verify that the performance of the proposed Rake receiver is better than those of the conventional and the adaptive Rake receiver.
引用
收藏
页码：65 / 70
页数：6
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