{"created":"2024-03-29T07:15:37.450664+00:00","id":2000173,"links":{},"metadata":{"_buckets":{"deposit":"5c39df66-fdd7-424e-a6fb-0df87ad4e1b8"},"_deposit":{"created_by":5,"id":"2000173","owner":"5","owners":[5],"pid":{"revision_id":0,"type":"depid","value":"2000173"},"status":"published"},"_oai":{"id":"oai:niit.repo.nii.ac.jp:02000173","sets":["34"]},"author_link":["5415","5414","5416","5417","12","1118","5410","5409","5411","5412","8","1295"],"item_5_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2017-11-30"},"bibliographicIssueNumber":"247","bibliographicNumberOfPages":"6","bibliographicPageEnd":"80","bibliographicPageStart":"75","bibliographicVolumeNumber":"117","bibliographic_titles":[{"bibliographic_title":"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","bibliographic_titleLang":"ja"}]}]},"item_5_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"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．","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_5_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会","subitem_publisher_language":"ja"}]},"item_5_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright©2017 by IEICE"}]},"item_5_source_id_7":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0913-5685","subitem_source_identifier_type":"ISSN"}]},"item_5_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12826772","subitem_source_identifier_type":"NCID"}]},"item_5_version_type_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"西川, まどか","creatorNameLang":"ja"}],"familyNames":[{"familyName":"西川","familyNameLang":"ja"}],"givenNames":[{"givenName":"まどか","givenNameLang":"ja"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"仲村, 泰明","creatorNameLang":"ja"}],"familyNames":[{"familyName":"仲村","familyNameLang":"ja"}],"givenNames":[{"givenName":"泰明","givenNameLang":"ja"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大沢, 寿","creatorNameLang":"ja"}],"familyNames":[{"familyName":"大沢","familyNameLang":"ja"}],"givenNames":[{"givenName":"寿","givenNameLang":"ja"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡本, 好弘","creatorNameLang":"ja"}],"familyNames":[{"familyName":"岡本","familyNameLang":"ja"}],"givenNames":[{"givenName":"好弘","givenNameLang":"ja"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"金井, 靖","creatorNameLang":"ja"}],"familyNames":[{"familyName":"金井","familyNameLang":"ja"}],"givenNames":[{"givenName":"靖","givenNameLang":"ja"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"村岡, 裕明","creatorNameLang":"ja"}],"familyNames":[{"familyName":"村岡","familyNameLang":"ja"}],"givenNames":[{"givenName":"裕明","givenNameLang":"ja"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2024-04-12"}],"filename":"niit2023_13.pdf","filesize":[{"value":"3.2 MB"}],"format":"application/pdf","url":{"url":"https://niit.repo.nii.ac.jp/record/2000173/files/niit2023_13.pdf"},"version_id":"ec16c7e7-55f7-4768-ae27-cf2d5b20a461"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"SMR"},{"subitem_subject":"LDPC"},{"subitem_subject":"LLR"},{"subitem_subject":"パリティ検査情報"},{"subitem_subject":"しきい値"},{"subitem_subject":"SMR"},{"subitem_subject":"LDPC"},{"subitem_subject":"LLR"},{"subitem_subject":"Party check infomation"},{"subitem_subject":"Threshold"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"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","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"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","subitem_title_language":"ja"}]},"item_type_id":"5","owner":"5","path":["34"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2024-04-12"},"publish_date":"2024-04-12","publish_status":"0","recid":"2000173","relation_version_is_last":true,"title":["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"],"weko_creator_id":"5","weko_shared_id":-1},"updated":"2024-03-29T07:44:51.981259+00:00"}