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The diameter of opportunistic mobile networks

Published: 10 December 2007 Publication History

Abstract

Portable devices have more data storage and increasing communication capabilities everyday. In addition to classic infrastructure based communication, these devices can exploit human mobility and opportunistic contacts to communicate. We analyze the characteristics of such opportunistic forwarding paths. We establish that opportunistic mobile networks in general are characterized by a small diameter, a destination device is reachable using only a small number of relays under tight delay constraint. This property is first demonstrated analytically on a family of mobile networks which follow a random graph process. We then establish a similar result empirically with four data sets capturing human mobility, using a new methodology to efficiently compute all the paths that impact the diameter of an opportunistic mobile networks. We complete our analysis of network diameter by studying the impact of intensity of contact rate and contact duration. This work is, to our knowledge, the first validation that the so called "small world" phenomenon applies very generally to opportunistic networking between mobile nodes.

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cover image ACM Conferences
CoNEXT '07: Proceedings of the 2007 ACM CoNEXT conference
December 2007
448 pages
ISBN:9781595937704
DOI:10.1145/1364654
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 10 December 2007

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  • (2023)A Higher-Order Temporal H-Index for Evolving NetworksProceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining10.1145/3580305.3599242(1770-1782)Online publication date: 6-Aug-2023
  • (2023)The impact of pandemic on dynamic volatility spillover network of international stock marketsEmpirical Economics10.1007/s00181-023-02422-w65:5(2115-2144)Online publication date: 24-Apr-2023
  • (2022)TGLib: An Open-Source Library for Temporal Graph Analysis2022 IEEE International Conference on Data Mining Workshops (ICDMW)10.1109/ICDMW58026.2022.00160(1240-1245)Online publication date: Nov-2022
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  • (2020)LoSeRO: A Locality Sensitive Routing Protocol in Opportunistic Networks with Contact ProfilesIEEE Transactions on Mobile Computing10.1109/TMC.2019.292322419:10(2392-2408)Online publication date: 1-Oct-2020
  • (2018)Energy-Aware Temporal Reachability Graphs for Time-Varying Mobile Opportunistic NetworksIEEE Transactions on Vehicular Technology10.1109/TVT.2018.285483267:10(9831-9844)Online publication date: Oct-2018
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