Wireless Ad Hoc Dissemination for Search and Rescue

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Executive Summary

In search and rescue scenarios local information on victims and other finds needs to be disseminated rapidly to other rescue workers and team leaders. However, post disaster scenarios may imply the collapse of information infrastructure including cellular communication and Internet connectivity. Even if one considers wireless ad hoc communication as a means of information dissemination one should count on frequent partitions in the network due to unpredictable mobility and sparse network topologies. This paper presents the realization of an existing manycast protocol (random walk gossip) on commodity handheld devices running the Android platform. This communication mode is used to demonstrate the potential for distributed information dissemination on victims and finds.

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