Performance Evaluation of PRML System Based on Thermal Decay Model(<Special Section>Recent Progress of High-Density Information Storage)

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概要

• 論文の詳細を見る

• The long-term bit error rate (BER) performance of partial response maximum likelihood (PRML) system using an adaptive equalizer in a perpendicular magnetic recording (PMR) channel with thermal decay is studied. A thermal decay model based on the experimental data giving the amplitude change of reproducing waveforms with the elapsed time for CoPtCr-SiO_2 PMR medium is obtained. The BER performance of PR1ML channel for the 16/17(0,6/6) run-length-limited (RLL) code is evaluated by computer simulation using the model. The relationship between the ratio R_J of the jitter-like media noise power to the total noise power at the reading point and the required SNR to achieve a BER of 10^<-4> is also obtained and the performance is compared with that of the conventional equalization. The results show that the significant improvement in SNR by utilizing the adaptive equalization is recognized over all R_J compared with the conventional equalization.

• 社団法人電子情報通信学会の論文
• 2007-08-01

著者

• MURAOKA Hiroaki

  RIEC, Tohoku University

• NAKAMURA Yoshihisa

  RIEC, Tohoku University

• Osawa H

  Graduate School Of Science And Engineering Ehime University

• Osawa H

  Ehime Univ. Matsuyama Jpn

• Osawa Hisashi

  Graduate School Of Science And Engineering Ehime University

• Okamoto Yasuhiro

  Advanced Hf Device R & D Center R & D Association For Future Electron Devices:nec System Dev

• OKAMOTO Yoshihiro

  Graduate School of Advanced Sciences and Matter, Hiroshima University

• Miura Kenji

  Riec Tohoku University

• SHINOHARA Nobuhiko

  Graduate School of Science and Engineering, Ehime University

• TAKEUCHI Keiko

  Graduate School of Science and Engineering, Ehime University

• NAKAMURA Yasuaki

  Graduate School of Science and Engineering, Ehime University

• NAKAMOTO Atsushi

  RIEC, Tohoku University

• MIURA Kenji

  RIEC, Tohoku University

• Okamoto Y

  Graduate School Of Science And Engineering Ehime University

• Okamoto Y

  Department Of Clinical Pharmacy Faculty Of Pharmacy Meijo University

• 中本 篤志

  東北大学電気通信研究所

• Nakamura Yoshihisa

  Graduate School Of Science And Engineering Ehime University

• Takeuchi Keiko

  Graduate School Of Science And Engineering Ehime University

• Muraoka H

  Riec Tohoku University

• Nakamoto Atsushi

  Riec Tohoku University

• Okamoto Yoshihiro

  Graduate School Of Science And Engineering Ehime University

• Okamoto Yoshihiro

  Graduate School Of Advanced Sciences And Matter Hiroshima University

• Nakamura Yasuaki

  Graduate School Of Science And Engineering Ehime University

• Shinohara Nobuhiko

  Graduate School Of Science And Engineering Ehime University

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