{"updated":"2025-01-21T19:00:50.511176+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00082382","sets":["1164:3865:6711:6787"]},"path":["6787"],"owner":"11","recid":"82382","title":["無線LANにおけるピース分割とオーバヒアリングを用いた冗長トラヒック削減方式"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-05-14"},"_buckets":{"deposit":"59fa56c3-f4c7-49ec-a95b-6723e165d54a"},"_deposit":{"id":"82382","pid":{"type":"depid","value":"82382","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"無線LANにおけるピース分割とオーバヒアリングを用いた冗長トラヒック削減方式","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"無線LANにおけるピース分割とオーバヒアリングを用いた冗長トラヒック削減方式"},{"subitem_title":"A Method for Eliminating Redundant Traffic using Piece Dividing and Overhearing","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2012-05-14","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"電気通信大学大学院情報システム学研究科"},{"subitem_text_value":"電気通信大学大学院情報システム学研究科"},{"subitem_text_value":"電気通信大学大学院情報システム学研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications","subitem_text_language":"en"}]},"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/82382/files/IPSJ-MBL12062009.pdf"},"date":[{"dateType":"Available","dateValue":"2100-01-01"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MBL12062009.pdf","filesize":[{"value":"513.5 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"35"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"cde15d1b-d677-4f8a-b35d-6821ee813555","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2012 by the Institute of Electronics, Information and Communication Engineers\nThis SIG report is only available to those in membership of the SIG."}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"横瀬, 広明"},{"creatorName":"大坐畠, 智"},{"creatorName":"加藤, 聰彦"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Hiroaki, Yokose","creatorNameLang":"en"},{"creatorName":"Satoshi, Ohzahata","creatorNameLang":"en"},{"creatorName":"Toshihiko, Kato","creatorNameLang":"en"}],"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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"無線 LAN において同一のコンテンツを多数の端末が同時にダウンロードすると，同じ内容が各端末に宛ててそれぞれ送信されるため冗長であり，ダウンロードの速度も低下する．本稿では，他の端末あての無線フレームを互いにオーバヒアリングし，まだ所持していないコンテンツの一部分を入手することで冗長なトラヒックを削減し，ダウンロード速度を向上させる方式を提案する．コンテンツはピースに分割して管理し，コンテンツ配信サーバが各端末のピースのダウンロード状況をもとに送信宛先端末や送信ピースを決定する．実機を用いた実験を行い，提案方式が冗長トラヒックを削減しスループットを向上させること，ダウンロード開始のタイミングが端末ごとに異なる場合でも有効であることを示す．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"In wireless LAN, since the bandwidth is shared with the terminals, the download speed is reduced even if the same content is downloaded. We propose a download acceleration method for content distribution by overhearing packets of the same content for other nodes in wireless LAN. Since parts of the content are obtained by the overhearing, the download time is reduced. In the proposed method, the content is divided into pieces and the server distributes them with considering download status of the receivers. We developed a testbed and confirmed that the proposed method accelerates the download speed even if terminals start downloading at different timing. ","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告モバイルコンピューティングとユビキタス通信（MBL）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2012-05-14","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"2012-MBL-62"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-18T23:36:17.042692+00:00","id":82382,"links":{}}