New Reduced State Space BCJR Algorithms for the ISI Channel

被引：22
作者：
Anderson, John B. [1 ,2 ]
Prlja, Adnan [1 ,2 ]
Rusek, Fredrik [1 ,2 ]
机构：
[1] Lund Univ, Elect & Informat Tech Dept, Box 118, SE-22100 Lund, Sweden
[2] Lund Univ, Strateg Ctr High Speed Wireless Commun, SE-22100 Lund, Sweden
来源：
2009 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, VOLS 1- 4 | 2009年
基金：
瑞典研究理事会;
关键词：
INTERSYMBOL INTERFERENCE;
D O I：
10.1109/ISIT.2009.5205622
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：
A critical component in detection under intersymbol interference (ISI) and in turbo equalization is the BCJR algorithm. We combine three approaches to reducing its computation. First, energy seen by the receiver is focused by a phase-maximizing all pass filter; an improvement on this older idea is proposed. Then the state used by the BCJR is broken into an offset state and a main state. Finally, some reduced-state BCJR procedures are evaluated. These receivers are tested by ISI detection and turbo equalization over strongly bandlimited channels.
引用
收藏
页码：889 / +
页数：2
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