Supporting Communication in Time of Disaster

It was found that at the disaster-hit area, communication supporting systems using the existing mobile ad hoc network technique could not function as expected, and a communication process between two end users would be interrupted from time to time. This is because existing techniques have not taken into consideration the sleep operation of mobile users, which is a very common and frequently-used means for them to save their battery consumption. This paper proposes a routing-based approach to solving this problem. For the proposed approach, power management application and routing protocol are incorporated so that mobile users can help each other by technical means to maintain the network accessible. This approach has been demonstrated to be effective by simulation experiments.