SNR Evaluation of Punctured Convolutional Coded PR4ML System in Digital Magnetic Recording with Partial Erasure Effect
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概要
- 論文の詳細を見る
A punctured convolutional coded PR4ML system for digital magnetic recording, which applies a punctured coding method to the convolutional code and records the punctured code sequences on two tracks, is proposed. In this study, the bit error rate performance of the proposed system is obtained by computer simulation taking account of partial erasure, which is one of the nonlinear distortions at high densities, and it is compared with those of a conventional 8/9 coded PR4ML system and an I-NRZI coded PR4ML system. The results show that the proposed system is hardly affected by partial erasure and exhibits good performance in high-density recording. A bit error rate of 10^lt-4gt can be achieved with SNR's of approximately 13.2 dB and 9.1 dB less than those of the conventional 8/9 coded and I-NRZI coded PR4ML systems, respectively, at a normalized linear density of 3.
- 社団法人電子情報通信学会の論文
- 1997-09-25
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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SOUMA Minoru
the Faculty of Engineering, Ehime University
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TOMIMOTO Shin
the Faculty of Engineering, Ehime University
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Souma Minoru
The Faculty Of Engineering Ehime University
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Tomimoto Shin
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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