{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00212638","sets":["6164:6165:7651:10646"]},"path":["10646"],"owner":"44499","recid":"212638","title":["コヒーレント通信用DSPの開発"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-08-25"},"_buckets":{"deposit":"95ad8090-523c-43e4-802a-5741b23e096e"},"_deposit":{"id":"212638","pid":{"type":"depid","value":"212638","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"コヒーレント通信用DSPの開発","author_link":["542854"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"コヒーレント通信用DSPの開発"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"招待講演","subitem_subject_scheme":"Other"}]},"item_type_id":"18","publish_date":"2021-08-25","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"NTT未来ねっと研究所"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/212638/files/IPSJ-DAS2021023.pdf","label":"IPSJ-DAS2021023.pdf"},"date":[{"dateType":"Available","dateValue":"2023-08-25"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DAS2021023.pdf","filesize":[{"value":"616.0 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"10"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"ba4aa713-3c94-4b8a-930b-f4b9b6143a1c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"堀越, 建吾"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"現在の光通信はコヒーレントデータ伝送方式によって支えられている．コヒーレント光伝送方式では，偏波や直交位相など光波の自由度をフルに活用して通信を行うため高い伝送容量を達成できる．しかし，光の波形は光ファイバを伝送する際に波長分散や偏波回転などで大きく乱れるため，送受信機で波形歪の補償が必要である．また，大容量のデータ伝送のためには，高度な誤り訂正符号が必要である．これらの演算を高速で実行するため，コヒーレント光通信は強力なデジタル信号処理装置（DSP）を必要とする．本講演では，コヒーレント通信の仕組みと DSP の研究開発，およびその最新動向について紹介する．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"127","bibliographic_titles":[{"bibliographic_title":"DAシンポジウム2021論文集"}],"bibliographicPageStart":"127","bibliographicIssueDates":{"bibliographicIssueDate":"2021-08-25","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2021"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":212638,"updated":"2025-01-19T17:26:12.812229+00:00","links":{},"created":"2025-01-19T01:13:34.453312+00:00"}