{"created":"2023-05-15T11:59:37.476858+00:00","id":6136,"links":{},"metadata":{"_buckets":{"deposit":"bec0f780-b23b-498c-8b8a-c9c938c80d24"},"_deposit":{"created_by":3,"id":"6136","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"6136"},"status":"published"},"_oai":{"id":"oai:kyutech.repo.nii.ac.jp:00006136","sets":["15:20"]},"author_link":["25209","25214","25213","25212","25210","25208","899"],"item_23_alternative_title_18":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"A QoE estimation method by exploiting OpenFlow control messages —Effectiveness against realtime streaming services over wireless mesh network—"}]},"item_23_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-02-25","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"465","bibliographicPageEnd":"140","bibliographicPageStart":"135","bibliographicVolumeNumber":"118","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会技術研究報告. NS, ネットワークシステム"}]}]},"item_23_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"先行研究では，無線メッシュネットワーク(WMN)においてSDN(OpneFlow)制御による複数チャネルを有効利用手法を提案し，ネットワーク資源の有効利用を実現した．しかし，複数のアプリケーションが共存する場合には，品質評価指標の差異によってアプリケーション毎のQoEが維持できない．そこで，アプリケーションの通信フローの転送途中にQoEを考慮したフロー制御の実現を目指す．しかし，QoEはエンド端末での主観的な品質指標であるため，本研究ではフローを転送しながらOpenFlowによる計測に基づいてQoE推定を行う．ネットワーク内部では収集できないパラメータがあるため，本研究ではOpenFlowの制御メッセージから得られる情報を活用するだけでなく，それらの情報を用いてQoE計算に必要なパラメータ推定も行うことでアプリケーションのQoE推定を行う．本発表では，動画配信を対象としたQoE推定手法とその有効性を示す． / The previous study proposed a channel utilization method SDN-enabled in multi-channel wireless mesh network(SD-WMN), which utilizes all of channel resources efficiently. However, when multiple applications are transferred on SD-WMN, their QoE can not be maintained because of differences in important factors for QoE depending on applications. Therefore, in order to handle application flow more efficiently based on QoE, this paper focus on QoE estimation for every flow being going through SD-WMN. In the QoE calculation, there are parameters that can not be collected with OpenFlow. In this study, we estimate QoE of application not only by a SDN-based measurement but also estimating parameters necessary for QoE calculation.Finally, we show the effectiveness of the proposed QoE estimation method with a video application.","subitem_description_type":"Abstract"}]},"item_23_description_5":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"電子情報通信学会 ネットワークシステム研究会（NS）, 2019年3月4日-5日, 沖縄県宜野湾市, 日本","subitem_description_type":"Other"}]},"item_23_description_60":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"Conference Paper","subitem_description_type":"Other"}]},"item_23_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"25212","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Shimokawa,  Shunpei"}]},{"nameIdentifiers":[{"nameIdentifier":"25213","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Kanaoka,  Takuya"}]},{"nameIdentifiers":[{"nameIdentifier":"25214","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Taenaka,  Yuzo"}]},{"affiliations":[{"affiliationNames":[{"affiliationName":"","lang":"ja"}],"nameIdentifiers":[]}],"familyNames":[{},{},{}],"givenNames":[{},{},{}],"nameIdentifiers":[{"nameIdentifier":"899","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"20452823","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/ja/nrid/1000020452823"},{"nameIdentifier":"8237935100","nameIdentifierScheme":"Scopus著者ID","nameIdentifierURI":"https://www.scopus.com/authid/detail.uri?authorId=8237935100"},{"nameIdentifier":"218","nameIdentifierScheme":"九工大研究者情報","nameIdentifierURI":"https://hyokadb02.jimu.kyutech.ac.jp/html/218_ja.html"}],"names":[{"name":"Tsukamoto, Kazuya","nameLang":"en"},{"name":"塚本, 和也","nameLang":"ja"},{"name":"ツカモト, カズヤ","nameLang":"ja-Kana"}]}]},"item_23_publisher_7":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会"}]},"item_23_relation_14":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"https://www.ieice.org/ken/paper/20190304G1LG/"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.ieice.org/ken/paper/20190304G1LG/","subitem_relation_type_select":"URI"}}]},"item_23_rights_13":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright (c) 2019 by IEICE"}]},"item_23_select_59":{"attribute_name":"査読の有無","attribute_value_mlt":[{"subitem_select_item":"yes"}]},"item_23_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11546431","subitem_source_identifier_type":"NCID"}]},"item_23_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0913-5685","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"2432-6380","subitem_source_identifier_type":"ISSN"}]},"item_23_text_37":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州工業大学 情報工学部 電子情報工学科/大学院 情報工学府・情報工学研究院 〒820–8502 福岡県飯塚市川津680–4"},{"subitem_text_value":"九州工業大学 情報工学部 電子情報工学科/大学院 情報工学府・情報工学研究院 〒820–8502 福岡県飯塚市川津680–4"},{"subitem_text_value":"奈良先端科学技術大学院大学情報科学研究科 〒630–0192 奈良県生駒市高山町8916–5"},{"subitem_text_value":"九州工業大学 情報工学部 電子情報工学科/大学院 情報工学府・情報工学研究院 〒820–8502 福岡県飯塚市川津680–4"}]},"item_23_text_62":{"attribute_name":"連携ID","attribute_value_mlt":[{"subitem_text_value":"7852"}]},"item_23_version_type_58":{"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":"下川,  駿平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"金岡,  拓哉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"妙中,  雄三"}],"nameIdentifiers":[{}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"Tsukamoto, Kazuya","creatorNameLang":"en"},{"creatorName":"塚本, 和也","creatorNameLang":"ja"},{"creatorName":"ツカモト, 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