{"created":"2025-01-19T00:59:39.189061+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00194610","sets":["1164:4061:9694:9715"]},"path":["9715"],"owner":"44499","recid":"194610","title":["河川域におけるマルチホップLoRa伝送のためのドローンによる置局設計手法"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-02-25"},"_buckets":{"deposit":"a62dbd45-e690-4d8b-a130-422c29d34d72"},"_deposit":{"id":"194610","pid":{"type":"depid","value":"194610","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"河川域におけるマルチホップLoRa伝送のためのドローンによる置局設計手法","author_link":["461082","461081","461077","461079","461076","461080","461078"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"河川域におけるマルチホップLoRa伝送のためのドローンによる置局設計手法"}]},"item_type_id":"4","publish_date":"2019-02-25","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"},{"subitem_text_value":"大阪大学大学院情報科学研究科"},{"subitem_text_value":"大阪大学大学院情報科学研究科"},{"subitem_text_value":"大阪大学大学院情報科学研究科"},{"subitem_text_value":"大阪大学大学院情報科学研究科"},{"subitem_text_value":"大阪大学大学院情報科学研究科"},{"subitem_text_value":"大阪大学大学院情報科学研究科／カリフォルニア大学ロスアンゼルス校"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate 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Angeles","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/194610/files/IPSJ-UBI19061012.pdf","label":"IPSJ-UBI19061012.pdf"},"date":[{"dateType":"Available","dateValue":"2021-02-25"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-UBI19061012.pdf","filesize":[{"value":"25.2 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輝夫"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高井, 峰生"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11838947","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":"2188-8698","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"野生生態系を様々な側面からみえる化し，生態系サービスを定量化することで，経済的 ・ 学術的価値を向上させることへの期待が高まっている．現在，北海道大学が中心となり，鮭に装着したロガーで河川遡上行動をセンシングし，そのデータを河岸付近の陸上中継局を介してクラウドに集約する技術開発を行っている．同プロジェクトにおいて，我々の研究グループは中継局をどの地点に設置するべきかを電波伝搬の側面から検討している．本研究では，特に上流付近まで遡上した鮭の産卵行動などの貴重なセンシングデータの集約を，省電力で長距離通信が可能な LoRa のマルチホップ通信で実現するため，森林 ・ 河川域における植生や地形的起伏が電波伝搬に与える影響に関する基礎調査を実施している．また，置局に必要な現地で実施すべき通信特性調査には大きな労力を要するため，ドローンを用いた植生認識およびリンク測定実験を行い，その効率化を検討した．最後に，対象環境である北海道忠類川において，実際に基礎実験で得られた知見に基づいた置局設計を行い，マルチホップ伝送が可能であることを示した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告ユビキタスコンピューティングシステム（UBI）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2019-02-25","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"12","bibliographicVolumeNumber":"2019-UBI-61"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"links":{},"id":194610,"updated":"2025-01-19T23:25:05.897519+00:00"}