Convergence Analysis of Code-Aided Channel Estimation by Means of Transfer Charts

被引：0
|
作者：
Godtmann, Susanne [1 ]
Ispas, Adrian [1 ]
Ascheid, Gerd [1 ]
机构：
[1] Univ Aachen, Rhein Westfal TH Aachen, Inst Integrated Signal Proc Syst, Aachen, Germany
来源：
2008 5TH INTERNATIONAL SYMPOSIUM ON TURBO CODES AND RELATED TOPICS | 2008年
关键词：
D O I：
10.1109/TURBOCODING.2008.4658719
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, we investigate the convergence behavior of code-aided channel estimation, also denoted as joint iterative channel estimation and decoding. A mutual information transfer chart is introduced in order to trace the information exchange between channel estimator and decoder throughout the iterative process. Furthermore, a heuristic concept to improve code-aided channel estimation is introduced that outperforms the classical concepts and has the major advantage that it allows for accurate convergence analysis.
引用
收藏
页码：321 / 326
页数：6
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