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Rescue Support System with DTN for Earthquake Disasters

Raito MATSUZAKI, Hiroyuki EBARA, Noriaki MURANAKA

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Summary :

In a previous paper, we proposed a rescue support system for victims buried in an earthquake disaster by constructing an ad-hoc network using home-server based smart homes. However, this system has the following two problems: i) it cannot ensure sufficient density of home servers to realize adequate WLAN coverage, ii) the system does not consider areas in which home servers cannot be used such as parks and factories, for example. In this paper, we propose a new method using a delay tolerant network (DTN) technique. In this method, rescuers (such as rescue teams) with mobile devices relay information between disconnected networks by walking around during rescue activities. For a performance evaluation, we performed simulation experiments using a map of Abeno-ku, Osaka. From our results, we show that the proposed method increases the information acquisition rate, and that the network can be maintained. We also quantitatively show the penetration rate of smart homes needed for our system. In addition, we show that the rescue request system is more effective than other systems, and the method with the mobile device relay is better than without this method.

Publication
IEICE TRANSACTIONS on Communications Vol.E98-B No.9 pp.1832-1847
Publication Date
2015/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E98.B.1832
Type of Manuscript
PAPER
Category
Network System

Authors

Raito MATSUZAKI
  Kansai University
Hiroyuki EBARA
  Kansai University
Noriaki MURANAKA
  Kansai University

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