Mobility

HERO - A Home Based Routing in Pocket Switched Networks

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Executive Summary

Pocket Switched Networks (PSNs) take advantage of human mobility to distribute data. Investigations on real-world trace data indicate that human mobility follows a simple reproducible pattern: a human being usually visits a few places at high frequencies. These most frequently visited places form the home of a node, which is exploited in this paper to design two HomE based ROuting (HERO) algorithms. In the basic HERO, the first encountered relay whose home contains the place where the destination resides is selected to deliver the data. The enhanced HERO, on the other hand, continuously selects a better relay that visits the destination place at a higher frequency.

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