{"_buckets": {"deposit": "64cec9dd-3af9-488f-bc17-e2b47578be46"}, "_deposit": {"created_by": 3, "id": "7653", "owners": [3], "pid": {"revision_id": 0, "type": "depid", "value": "7653"}, "status": "published"}, "_oai": {"id": "oai:kyutech.repo.nii.ac.jp:00007653", "sets": ["24"]}, "author_link": ["25154", "19491", "33173", "33178", "899", "33170", "33175"], "item_21_alternative_title_18": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "Experimental Evaluation of Data Relay Scheme for Inter-Vehicle Information Sharing using Private LoRa"}]}, "item_21_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2022-03-03", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "433", "bibliographicPageEnd": "180", "bibliographicPageStart": "176", "bibliographicVolumeNumber": "121", "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_21_description_4": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "都市部への人口集中と自動車の利用の増加は，交通渋滞を引き起こす原因の一つとなっている．ユーザが交通渋滞を避けるためには，車車間通信(V2V) によるリアルタイムで交通情報が共有できるシステムが有用であると考えられる．しかし，V2V通信の問題点として，建造物や車両の影響により，見通しが取れない環境下での長距離伝送は困難であることが挙げられる．本研究では，低コスト・低消費電力で広域の通信を実現するため，Private LoRaを用いた車車間情報共有のためのデータ転送中継方式を提案する．提案するデータ中継転送方式の有効性を実証実験により検証する． / Population concentration in urban areas and the increase in the use of automobiles are causes of traffic congestion jams. The system sharing traffic information in real-time by vehicle-to-vehicle (V2V) communication is useful for users to avoid traffic jams. However, one of the problems with V2V communication is that it is difficult to transmit over long distances in an environment where visibility is limited due to the influence of buildings and moving vehicles. This paper proposes a data relay scheme for inter-vehicle information sharing using private LoRa with long-range communication. 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