Error Rate Performance of Turbo Coding for E^2PR4 Channel
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概要
- 論文の詳細を見る
Turbo coding is widely known as one of effective error control coding techniques in various digital communication systems since this coding method has proposed by C. Berrou, etc in 1993. In digital magnetic recording, it has been cleared that the error correcting capability of turbo coding is superior to most of conventional recording codes as a matter of course. But, the performance of a partial response maximum-likelihood(PRML)system combined with any recording code is degraded by many undesirable factors or effects. To improve the performance of the PRML system in high areal density recording, it is useful to adopt a higher order PRML system or high rate code in a general case. In this paper, the rate 32/34 turbo code combined with an enhanced extended class-4 partial response(E^2PR4)is proposed. We call this trellis coded partial response(TCPR)system the rate 32/34 turbo-coded E^2PR4(32/34 TC-E^2PR4). Our proposed TCPR system can be expected to get large coding gain and improve the performance of PRML system. As a result, the proposed coding system provides a good performance compared with the conventional systems. In especial, our system can achieve a BER of 10^<-5> with SNR of approximately 1.5dB less than the conventional 8/9 maximum transition run(MTR)coded E^2PR4ML system at a normalized linear density of 3.
- 社団法人電子情報通信学会の論文
- 2001-11-01
著者
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Saito Hidetoshi
Riec Tohoku University
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SAITO Hidetoshi
the Faculty of Engineering, Ehime University
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OKAMOTO Yoshihiro
the Faculty of Engineering, Ehime University
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OSAWA Hisashi
the Faculty of Engineering, Ehime University
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Osawa H
Graduate School Of Science And Engineering Ehime University
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Osawa H
Ehime Univ. Matsuyama Jpn
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Osawa Hisashi
Graduate School Of Science And Engineering Ehime University
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Osawa Hisashi
The Faculty Of Engineering Ehime Universtiy
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Okamoto Yasuhiro
Advanced Hf Device R & D Center R & D Association For Future Electron Devices:nec System Dev
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Okamoto Y
Graduate School Of Science And Engineering Ehime University
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Okamoto Y
Department Of Clinical Pharmacy Faculty Of Pharmacy Meijo University
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Okamoto Yoshihiro
Graduate School Of Science And Engineering Ehime University
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Okamoto Yoshihiro
The Faculty Of Engineering Ehime Universtiy
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