Abstract
Natural disasters often destroy and disrupt communication infrastructures that hinder the utilization of disaster applications and services needed by emergency responders. During these circumstances an implementation of a standalone communication system (SCS) that serves as an alternative communication
platform for vital disaster management activities is essential. In this study, we present a design and implementation of an SCS realized using an inexpensive microcontroller platform. Specifically, the study employed Raspberry Pi (RPi) devices as rapidly deployable relay nodes designed with a context-aware
routing mechanism. The routing mechanism decides the most efficient route to send messages or disseminate information in the network by utilizing a context-aware factor (CF) calculated using several context information such as delivery probability and link quality. Moreover, with the use of this context
information, the proposed scheme aims to reduce communication delay and overhead in the network commonly caused by resource contention of users.
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