Adaptive service provisioning for emergency communications with DTN

An architecture for wireless communication between control centers and registered users in emergency situations when the cellular network is not operational is described. It is based on delay tolerant networks (DTN) and enables mobile users with multiple radio interface technologies to communicate across heterogeneous network technologies. With the help of asynchronous bundles passing from hop to hop, short message service (SMS), multimedia messaging and walkie-talkie communication services are provided. The security issues for deployment of DTN communication applications using this architecture are also described. To assess the performance of the system, results from simulations for the degree of message penetration of broadcasts into the community and the probability that a control centre receives uplink messages are presented for different user densities, routing protocols on the system. The approach has been implemented on the Android mobile platform.

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