{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00214227","sets":["1164:3865:10488:10731"]},"path":["10731"],"owner":"44499","recid":"214227","title":["SD-RoFネットワークに関する一検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-11-30"},"_buckets":{"deposit":"49866b7a-4bde-44d0-b7d4-ff7a5be2b280"},"_deposit":{"id":"214227","pid":{"type":"depid","value":"214227","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"SD-RoFネットワークに関する一検討","author_link":["549170"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"SD-RoFネットワークに関する一検討"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"奨励講演","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2021-11-30","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"大阪大学大学院情報科学研究科"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/214227/files/IPSJ-MBL21101004.pdf","label":"IPSJ-MBL21101004.pdf"},"date":[{"dateType":"Available","dateValue":"2023-11-30"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MBL21101004.pdf","filesize":[{"value":"613.3 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":"35"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"8f9e1d24-ba0d-47ba-9794-6c119e881a9a","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"相浦, 一樹"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11851388","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8817","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年,Internet of Things の発展とともに,無線と有線のネットワークを介する End-to-End の通信において,大容量性,低遅延性を両立することが課題となっている.筆者らは,プロトコルフリー,大容量,低遅延の通信を両立する新しい無線アクセスネットワークアーキテクチャとして,Software-Defined Radio over Fiber (SD-RoF) を提案している.SD-RoFは,SD-RoF スイッチと SD-RoF エッジを用いて構築される Radio over Fiber (RoF) ネットワーク,SD-RoF コントローラ,および無線トランシーバーで構成される.本研究では、RoF ネットワークの設計と実装について詳細に述べる.SD-RoF が,様々な IoT サービスに対して大容量かつ低遅延な通信を保証するためには,ユーザの要求に応じて RoF 伝送路を適応的に割り当てることが必要である.これを実現するために,単純な光回路スイッチに elastic RoF モジュールを組み合わせた RoF ネットワークを提案する.Elastic RoF モジュールは,周波数変換や信号合成を,光領域ではなく電気領域で行うことで,安価な実装で柔軟に RoF 伝送路を割り当てることができる.Elastic RoF モジュールを試作した結果,実装したエラスティック RoF モジュールは,周波数 2.4~2.5GHz で帯域幅 20MHz の周波数変換および無線信号合成を,約 995.0 ドルで実現することができた.また,実験評価の結果,実装した周波数変換器による CNR (Carrier to Noise Ratio) の劣化は約 10dB であり,通信距離 3 m での CNR の劣化はほぼ無視できることが分かった.また,信号合成による CNR への影響も無視できる程度であることが分かった.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"1","bibliographic_titles":[{"bibliographic_title":"研究報告モバイルコンピューティングと新社会システム(MBL)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2021-11-30","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"2021-MBL-101"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":214227,"updated":"2025-01-19T16:51:21.066595+00:00","links":{},"created":"2025-01-19T01:15:03.237458+00:00"}