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Securing SOS Messages in Uncommunicable Areas via Information Sharing Cluster
Louie ZAMORA Noriyuki SUZUKI Hiroaki TAKEMOTO Shigeru KASHIHARA Suguru YAMAGUCHI
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/08/01
Online ISSN: 1745-1337
Type of Manuscript: Special Section PAPER (Special Section on Information and Communication Systems for Safe and Secure Life)
disaster, battery saving, information-sharing cluster, smartphone, Bluetooth,
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A prompt rescue is a serious operation when a catastrophic disaster occurs. In an uncommunicable area where the existing communication systems are damaged, it is, however, difficult to collect SOS messages of victims. So far, we have proposed a smartphone application named SOSCast to collect SOS messages via device-to-device transmission in such an area. However, with the limitation of coverage area and battery consumption, it decreases the possibility of finding the victim due to the risk of losing the SOS messages. In this paper, thus, we propose an information-sharing cluster to virtually extend the communication coverage area and to secure the SOS messages by reducing the battery consumption. In the performance evaluation, compared with the original SOSCast, we showed that the proposed method can reduce battery consumption to secure the message through a prototype system and simulation experiments.