{"created":"2025-01-19T01:25:20.957096+00:00","updated":"2025-01-19T12:39:38.063327+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00225852","sets":["1164:3865:11134:11252"]},"path":["11252"],"owner":"44499","recid":"225852","title":["NWDAFに着目した分散モバイルコアネットワークに関する検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-05-11"},"_buckets":{"deposit":"524112b4-a610-4bf3-8aec-3cd714981677"},"_deposit":{"id":"225852","pid":{"type":"depid","value":"225852","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"NWDAFに着目した分散モバイルコアネットワークに関する検討","author_link":["598533","598531","598532"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"NWDAFに着目した分散モバイルコアネットワークに関する検討"},{"subitem_title":"Consideration of Distributed Mobile Core Networks Focusing on NWDAF","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"分散ネットワーク","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2023-05-11","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"KDDI Research, Inc."},{"subitem_text_value":"KDDI Research, Inc."},{"subitem_text_value":"KDDI Research, Inc."}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"KDDI Research, Inc.","subitem_text_language":"en"},{"subitem_text_value":"KDDI Research, Inc.","subitem_text_language":"en"},{"subitem_text_value":"KDDI Research, Inc.","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/225852/files/IPSJ-MBL23107037.pdf","label":"IPSJ-MBL23107037.pdf"},"date":[{"dateType":"Available","dateValue":"2025-05-11"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MBL23107037.pdf","filesize":[{"value":"1.8 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"35"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"1634b54b-821d-41ec-989c-3fbec0b298c0","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"倉田, 真之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"鈴木, 陽登"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"鈴木, 理基"}],"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":"5G のモバイルコアネットワークの Control-Plane (C-Plane) は，機能の細分化，アーキテクチャの単純化，プロトコルの統一を目的として，任意の Network Function (NF) が直接メッセージングを行う，Service Based Architecture (SBA) を採用している．5G では，Internet of Things (IoT) デバイスが普及し，モバイルコアへの接続端末数，モバイルコアに同時に接続する端末数の増加に伴い，C-Plane への制御メッセージが増大することによって発生する，シグナリングストームが懸念されている．特に AI を活用した分析提供を行う NF である NetWork Data Analytics Function (NWDAF) は，分析生成/AI モデルの学習のためのデータ収集，コンシューマへの分析提供を C-Plane 上で行う．AI 利用の高まりと共に，NWDAF によるシグナリング数が増加する可能性があるため，NWDAF においてもシグナリングストームの発生を回避するための工夫が必要となる．本報告では，エッジサイト・セントラルサイトから成る分散コアネットワークアーキテクチャにおいて，NWDAF によるシグナリング数やそのメッセージサイズを低減するための方式として，NF を同一プロセス空間上で組み合わせるコンポーネント化，Federated Learning を活用した選択的なモデル統合手法を紹介する．また，後者の提案方式のプロトタイプ評価を通して，サイト間のシグナリング数とそのメッセージサイズを減らし，帯域使用の効率化が実現できることを確認する．","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新社会システム（MBL）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-05-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"37","bibliographicVolumeNumber":"2023-MBL-107"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":225852,"links":{}}