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Internet Network ArchitecturesDelay Tolerant Networks: Selected Publications

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Selected Publications on Delay Tolerant Networks

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Impact of Human Mobility on Opportunistic Forwarding Algorithms
Zitatschlüssel CHCDGS-IHMOFA-07
Autor Chaintreau, Augustin and Hul, Pan and Crowcroft, Jon and Diot, Christohpe and Gass, Richard and Scott, James
Seiten 606–620
Jahr 2007
ISSN i1536-1233
DOI http://dx.doi.org/10.1109/TMC.2007.1060
Journal IEEE Transactions on Mobile Computing
Jahrgang 6
Nummer 6
Zusammenfassung iWe study data transfer opportunities between wireless devices carried by humans. We observe that the distribution of the intercontact time (the time gap separating two contacts between the same pair of devices) may be well approximated by a power law over the range [10 minutes; 1 day]. This observation is confirmed using eight distinct experimental data sets. It is at odds with the exponential decay implied by the most commonly used mobility models. In this paper, we study how this newly uncovered characteristic of human mobility impacts one class of forwarding algorithms previously proposed. We use a simplified model based on the renewal theory to study how the parameters of the distribution impact the performance in terms of the delivery delay of these algorithms. We make recommendations for the design of well-founded opportunistic forwarding algorithms in the context of human-carried devices
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