ADAPTIVE ITERATIVE DECISION MULTI-FEEDBACK DETECTION FOR MULTI-USER MIMO SYSTEMS

被引：0
|
作者：
Li, Peng [1 ]
Liu, Jingjing [1 ]
de Lamare, Rodrigo C. [1 ]
机构：
[1] Univ York, Dept Elect, Commun Res Grp, York YO10 5DD, N Yorkshire, England
来源：
2012 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP) | 2012年
关键词：
MIMO systems; decision feedback receivers; RLS algorithms; multi-user detection; iterative processing;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
An adaptive iterative decision multi-feedback detection algorithm with constellation constraints is proposed for multiuser multi-antenna systems. An enhanced detection and interference cancellation is performed by introducing multiple constellation points as decision candidates. A complexity reduction strategy is developed to avoid redundant processing with reliable decisions along with an adaptive recursive least squares algorithm for time-varying channels. An iterative detection and decoding scheme is also considered with the proposed detection algorithm. Simulations show that the proposed technique has a complexity as low as the conventional decision feedback detector while it obtains a performance close to the maximum likelihood detector.
引用
收藏
页码：3037 / 3040
页数：4
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