Timely In-Network Data Aggregation in Disaster Areas
スポンサーリンク
概要
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A common characteristic in disaster areas is the partial or complete failure of the telecommunications infrastructure. This study proposes the use of mobile phones of the people to serve as sensing nodes for collecting disaster-related information in the affected area. Existing delay tolerant network (DTN) technologies allow propagation of disaster-related information created by the people to some extent, but it is difficult to achieve coverage of the area of interest (AoI) by the obtained messages in a short time due to the small data transfer capacity of a DTN. In this paper, a DTN-based data aggregation method is proposed that achieves the AoI coverage in minimal time by merging multiple messages (obtained through DTN) and their affected areas into a new message with the merged area. To keep sufficient details of the aggregated messages, the query sender can specify the maximum area size covered by each message. The evaluation method of the proposed method is also shown.
- 2011-08-29
著者
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Minrou Ito
Graduate School of Information Science, Nara Institute of Science and Technology
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Minrou Ito
Graduate School Of Information Science Nara Institute Of Science And Technology
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Keiichi Yasumoto
Graduate School Of Information Science Nara Institute Of Science And Technology
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Minoru Ito
Nara Institute of Science and Technology
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Minoru Ito
Graduate School of Information Science, Nara Institute of Science and Technology
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Naoki Shibata
Department of Information Processing and Management, Shiga University|Japan Science and Technology A
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Weihua Sun
Graduate School of Information Science, Nara Institute of Science and Technology|Japan Science and T
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Naoki Shibata
Department Of Information Processing And Management Shiga University|japan Science And Technology Ag
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Weihua Sun
Graduate School Of Information Science Nara Institute Of Science And Technology|japan Science And Te
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