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        <datestamp>2025-01-22T09:54:59Z</datestamp>
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          <dc:title>安全運転支援を目的とした二周波チャネル併用路車間通信方式</dc:title>
          <dc:title xml:lang="en">A roadside to vehicle communication system for vehicle safety using dual frequency channels</dc:title>
          <jpcoar:creator>
            <jpcoar:creatorName>前島, 治</jpcoar:creatorName>
            <jpcoar:creatorName>浦山, 博史</jpcoar:creatorName>
            <jpcoar:creatorName>察晟蔚</jpcoar:creatorName>
            <jpcoar:creatorName>本多, 輝彦</jpcoar:creatorName>
            <jpcoar:creatorName>小坂, 哲也</jpcoar:creatorName>
            <jpcoar:creatorName>平, 明徳</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Osamu, MAESHIMA</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Hirofumi, URAYAMA</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Shengwei, CAI</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Teruhiko, HONDA</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Tetsuya, KOSAKA</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Akinori, TAIRA</jpcoar:creatorName>
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          <datacite:description descriptionType="Other">安全運転支援を目的とした路車間通信システムにおいて緊急通信に求められる要求条件を整理し、複数種別のアプリケーションに対応しつつ緊急通信を優先しうるメディアアクセス制御方式を提案する｡本方式は､従来のＤＳＲＣ用周波数である5.8GＨｚ帯の他、より回折しやすいVHIVUHF帯の二周波の通信チャネルを併用することにより周波数ダイバーシチ効果をもたせ、かつ各通信チャネルにおいて緊急通信を優先的に送信させるメディアアクセス制御方式とした。緊急情報の送信完了までに要する時間を評価項目として、想定サービスエリア内の車両台数、発生トラヒックをパラメータにしたシミュレーションにより本手法の有効性を評価したので報告する。</datacite:description>
          <datacite:description descriptionType="Other">This paper addresses requirements for providing urgent communication in a roadside to vehicle communication system for vehicle safety and proposes a new media access control technique which meets both handling multi applications and prioritizing urgent communication. The proposed technique utilizes two channels, one uses 5.8GHz band assigned for DSRC (Dedicated Short Rage Communication) system in Japan and the other uses VHF/UHF band expecting more diffraction around obstacles. This paper also presents some simulation results that explore the performance of the technique we have designed.</datacite:description>
          <dc:publisher xml:lang="ja">情報処理学会</dc:publisher>
          <datacite:date dateType="Issued">2006-09-28</datacite:date>
          <dc:language>jpn</dc:language>
          <dc:type rdf:resource="http://purl.org/coar/resource_type/c_18gh">technical report</dc:type>
          <jpcoar:identifier identifierType="URI">https://ipsj.ixsq.nii.ac.jp/records/45565</jpcoar:identifier>
          <jpcoar:sourceIdentifier identifierType="NCID">AA11515904</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle>情報処理学会研究報告高度交通システム（ITS）</jpcoar:sourceTitle>
          <jpcoar:volume>2006</jpcoar:volume>
          <jpcoar:issue>103(2006-ITS-026)</jpcoar:issue>
          <jpcoar:pageStart>13</jpcoar:pageStart>
          <jpcoar:pageEnd>18</jpcoar:pageEnd>
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            <datacite:date dateType="Available">2008-09-28</datacite:date>
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