Smart Home Delay Tolerant Network for an Earthquake Disaster
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概要
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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 smart homes. However, this system has the following two problems: i) it cannot ensure sufficient density of home servers for a WLAN communication range, ii) the system does not consider areas in which home servers cannot be used such as in parks and factories, for example. In this research, we propose a new method using a delay tolerant network (DTN) technique. In this method, rescuers 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 the network can be maintained. In addition, we quantitatively show the penetration of the smart home needed for our system.
- 2012-07-09