Performance Evaluation of PRML Systems with Concatenated Codes by Using Soft-outputs Bidirection Viterbi Decoding

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概要

• 論文の詳細を見る

• An effective signal processing technique for high density digital magnetic recording is essential to development of a high reliable mass data storage system. A concatenated code combining a 16/17 maximum transition run code and cyclic redundancy check code is known as a system providing an excellent large performance because this system uses a maximum likelihood decoding with soft-outputs and a list decoding for erasure errors based on the differential log- likelihood information between received and error pattern sequences. In this paper, the new system using soft-outputs bidirection Viterbi decoding and list decoding for tentative errors with low reliable information symbols obtained from a bidirectional Viterbi decoder is proposed. The bit error rate performance for our system combined with several PRML systems is obtained by computer simulation and the PRML system which shows a better performance is cleared.

• 社団法人電子情報通信学会の論文
• 2002-03-01

著者

• SAITO Hidetoshi

  Faculty of Applied Biological Science

• Saito Hidetoshi

  Riec Tohoku University

• OKAMOTO Yoshihiro

  Faculty of Engineering, Ehime University

• OSAWA Hisashi

  Faculty of Engineering, Ehime University

• KOGURI Yoshimasa

  Graduate Course of Electrical and Electronic Engineering, Ehime 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

• Osawa Hisashi

  Faculty Of Engineering Ehime University

• Okamoto Yasuhiro

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

• Okamoto Y

  Graduate School Of Science And Engineering Ehime University

• Okamoto Y

  Department Of Clinical Pharmacy Faculty Of Pharmacy Meijo University

• Koguri Yoshimasa

  Graduate Course Of Electrical And Electronic Engineering Ehime University

• Okamoto Yoshihiro

  Graduate School Of Science And Engineering Ehime University

• Okamoto Yoshihiro

  Faculty Of Engineering Ehime University

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