{"id":11189,"updated":"2025-01-23T02:22:41.060577+00:00","links":{},"created":"2025-01-18T22:45:53.370311+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00011189","sets":["581:651:657"]},"path":["657"],"owner":"1","recid":"11189","title":["Bluetoothパケット種別の連続メディア同期品質への影響"],"pubdate":{"attribute_name":"公開日","attribute_value":"2003-07-15"},"_buckets":{"deposit":"3d4fc0cf-49b3-41d0-a612-e7971a9a29df"},"_deposit":{"id":"11189","pid":{"type":"depid","value":"11189","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"Bluetoothパケット種別の連続メディア同期品質への影響","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Bluetoothパケット種別の連続メディア同期品質への影響"},{"subitem_title":"The Effect of Bluetooth Packet Types on Media Synchronization Quality","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"論文","subitem_subject_scheme":"Other"}]},"item_type_id":"2","publish_date":"2003-07-15","item_2_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"三洋電機株式会社デジタルシステム技術開発センター"},{"subitem_text_value":"三洋電機株式会社デジタルシステム技術開発センター"},{"subitem_text_value":"三洋電機株式会社デジタルシステム技術開発センター"},{"subitem_text_value":"名古屋工業大学大学院工学研究科"}]},"item_2_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Digital Sytems Development Center, SANYO Electric Co., Ltd.","subitem_text_language":"en"},{"subitem_text_value":"Digital Sytems Development Center, SANYO Electric Co., Ltd.","subitem_text_language":"en"},{"subitem_text_value":"Digital Sytems Development Center, SANYO Electric Co., Ltd.","subitem_text_language":"en"},{"subitem_text_value":"Department of Computer Science and Engineering, Nagoya Institute of Technology","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/11189/files/IPSJ-JNL4407009.pdf"},"date":[{"dateType":"Available","dateValue":"2005-07-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-JNL4407009.pdf","filesize":[{"value":"959.6 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"481f1e1b-e5b4-4ba2-9720-cc6272f3d64b","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2003 by the Information Processing Society of Japan"}]},"item_2_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"加藤正美"},{"creatorName":"大倉, 浩嗣"},{"creatorName":"田中, 靖浩"},{"creatorName":"田坂, 修二"}],"nameIdentifiers":[{}]}]},"item_2_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Masami, Kato","creatorNameLang":"en"},{"creatorName":"Hirotsugu, Okura","creatorNameLang":"en"},{"creatorName":"Yasuhiro, Tanaka","creatorNameLang":"en"},{"creatorName":"Shuji, Tasaka","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_2_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116647","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_2_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1882-7764","subitem_source_identifier_type":"ISSN"}]},"item_2_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本論文では，BluetoothによるLANアクセスシステムにおいて，蓄積された連続メディアを伝送する場合を考える．そして，Bluetoothのパケット種別の違いがメディア同期品質に及ぼす影響を実験により明らかにする．Bluetoothでは，ARQ（Automatic Repeat Request）とFEC（Forward Error Correction）の組み合わせ方と，1パケットが占有するスロット数に応じて，複数のパケット種別を規定している．これらのパケット種別は，無線通信環境に応じて，それぞれ得られる性能が異なる．特に，連続メディアを伝送する場合には，使用するパケット種別や無線通信環境によっては，再送による遅延の増加やその揺らぎが連続メディアの時間的構造を乱し，メディア同期品質を低下させるおそれがある．そのため，無線通信環境に応じて，どのようにパケット種別を選択するかが重要な課題となる．そこで，筆者らは，Bluetoothを利用したホットスポットにおけるストリーミングサービスを想定し，メディアサーバに蓄積されたビデオや音声をBluetoothのLANアクセスポイントを介してモバイル端末に伝送する実験システムを構築した．そして，無線LANシステムなどからの電波の干渉を模擬するために白色雑音を付加し，各パケット種別において無線通信環境が通信品質，特に，メディア同期品質に及ぼす影響を実験により評価した．また，筆者らが既提案のメディア同期制御方式を実装し，その有効性も確認した．そして，無線通信環境に応じてBluetoothのパケット種別を適応的に選択するための指針を明らかにした．","subitem_description_type":"Other"}]},"item_2_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"This paper examines the effect of Bluetooth packet types on the media synchronization quality by experiment. Bluetooth specifies many packet types that differ in the use of Forward Error Correction (FEC) and the number of time slots occupied by a packet. The performance of Bluetooth communications depends on the selected packet type, which should be suitable for the channel quality provided. In the experiment, we consider a situation where a server transfers stored video and audio streams to a terminal on a point-to-point channel with white noise, which simulates interference from DSSS (Direct Sequence Spread Spectrum) systems. We apply the slide control scheme for media synchronization control and confirm its effectiveness.","subitem_description_type":"Other"}]},"item_2_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"1751","bibliographic_titles":[{"bibliographic_title":"情報処理学会論文誌"}],"bibliographicPageStart":"1740","bibliographicIssueDates":{"bibliographicIssueDate":"2003-07-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicVolumeNumber":"44"}]},"relation_version_is_last":true,"item_2_alternative_title_2":{"attribute_name":"その他タイトル","attribute_value_mlt":[{"subitem_alternative_title":"無線・モバイルネットワーク"}]},"weko_creator_id":"1"}}