Simple soft-output detection for magnetic recording channels

被引：0
|
作者：
Soljanin, E [1 ]
机构：
[1] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
来源：
2000 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS | 2000年
关键词：
D O I：
10.1109/ISIT.2000.866555
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Recent success of turbo-like coding schemes on memoryless channels has sparked interest in using them on intersymbol-interference (ISI) channels. Decoders for turbo and low density parity check (LDPC) codes perform much better with soft input information which has to be supplied by the channel detector as its soft output. We consider a class of ISI channels commonly used to model magnetic recording channels in a wide range of linear recording densities, and show that simple soft output detectors are possible, since the channel transfer functions belong to a family of special polynomials.
引用
收藏
页码：257 / 257
页数：1
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