Performance of a decorrelator based successive interference cancellation multiuser receiver for asynchronous multirate DS-CDMA systems

被引：0
|
作者：
Yang, Bin [1 ]
Danilo-Lemoine, Florence [1 ]
机构：
[1] Carleton Univ, Dept Syst & Comp Engn, Ottawa, ON K1S 5B6, Canada
来源：
MILCOM 2005 - 2005 IEEE MILITARY COMMUNICATIONS CONFERENCE, VOLS 1-5 | 2005年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper we investigate the performance of a decorrelator based successive interference cancellation (DBSIC) multirate DS CDMA multiuser receiver over multipath Rayleigh fading channels with both perfect and imperfect channel side information. Variable Processing Gain (VPG) with various numbers of data rate classes is considered. The performance of DBSIC is presented using an analytical approach and simulations, and its improvement over other commonly-used suboptimum detection schemes such as the decorrelating, minimum mean square (MMSE), SIC, parallel interference cancellation (PIC) and decorrelating decision feedback (DF) receivers is demonstrated. In the case of imperfect channel estimates, it can be observed while all the receivers suffer degradation in performance, DBSIC still outperforms the other detection schemes.
引用
收藏
页码：1115 / 1121
页数：7
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