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SMR~HDDにおけるパリティ検査情報による LLR調整器を備えた繰返し復号の一検討
https://niit.repo.nii.ac.jp/records/2000173
https://niit.repo.nii.ac.jp/records/20001731b0549bb-9491-4213-9d05-081475e93056
名前 / ファイル | ライセンス | アクション |
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niit2023_13.pdf (3.2 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2024-04-12 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | SMR~HDDにおけるパリティ検査情報による LLR調整器を備えた繰返し復号の一検討 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | SMR | |||||
キーワード | ||||||
主題 | LDPC | |||||
キーワード | ||||||
主題 | LLR | |||||
キーワード | ||||||
主題 | パリティ検査情報 | |||||
キーワード | ||||||
主題 | しきい値 | |||||
キーワード | ||||||
主題 | SMR | |||||
キーワード | ||||||
主題 | LDPC | |||||
キーワード | ||||||
主題 | LLR | |||||
キーワード | ||||||
主題 | Party check infomation | |||||
キーワード | ||||||
主題 | Threshold | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | article | |||||
著者 |
西川, まどか
× 西川, まどか× 仲村, 泰明× 大沢, 寿× 岡本, 好弘× 金井, 靖× 村岡, 裕明 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 先に我々は,SMR(shingled magnetic recording)を採用したハードディスク装置(HDD:hard disk drive)において,誤り訂正に用いるLDPC(low-density parity-check)符号のパリティ検査情報を用いてAPP(a posteriori probability)復号器出力の復号信頼度である対数尤度比LLR(log-likelihoodratio)を調整することで繰返し復号の性能改善が得られることを示した.本稿では,調整対象のLLRにしきい値を設けて復号信頼度の高いLLRを調整することで繰返し復号の効果を高められることを明らかとしている. | |||||
言語 | ja | |||||
書誌情報 |
ja : 電子情報通信学会技術研究報告. MRIS, 磁気記録・情報ストレージ 巻 117, 号 247, p. 75-80, ページ数 6 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0913-5685 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12826772 | |||||
権利 | ||||||
権利情報 | Copyright©2017 by IEICE | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 電子情報通信学会 |