Performance of MMSE turbo equalization using outer LDPC coding for magnetic recording channels

被引：0

作者：

Ölçer, S ^{[1
]}

Keskinöz, M ^{[1
]}

机构：

[1] IBM Corp, Zurich Res Lab, CH-8803 Ruschlikon, Switzerland

来源：

2004 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-7 | 2004年

关键词：

LDPC codes; capacity-approaching codes; turbo-equalization; magnetic recording; EXIT-chart analysis;

D O I：

10.1109/ICC.2004.1312581

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We investigate the performance of minimum mean-square error turbo-equalization for LDPC-coded transmission over intersymbol-interference channels. The EXIT-chart technique is used to study the effect of code rate on the convergence of the turbo-equalization process. The analysis is conducted for partial-response channels of various types and for the magnetic recording channel. Performance results obtained from simulations show good agreement with the EXIT-chart analysis. They indicate that for applications requiring high code rates equalizer-based detection may suffer from a nonnegligible loss in performance as compared with maximum a posteriori detection.

引用

页码：645 / 650

页数：6

共 41 条

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