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TitleAnalyzing temporal scale behaviour of connectivity properties of node encounters
Author(s)Jahromi, Karim Keramat
Meneses, Filipe
Moreira, Adriano
KeywordsMobility Modeling
Temporal Scale Free
Issue date27-Nov-2014
JournalProcedia Computer Science
CitationKarim Keramat Jahormi, Filipe Meneses, Adriano Moreira, “Analyzing temporal scale behaviour of connectivity properties of node encounters”, in proceedings of the 2014 International Conference on Selected Topics in Mobile & Wireless Networking (MoWNet’2014), 8-9 September, Rome, Italy, 2014
Abstract(s)Nowadays the growing popularity of wireless networks, combined with a wide availability of personal wireless devices, make the role of human mobility modeling more prominent in wireless networks, particularly in infrastructure-less networks such as Delay Tolerant Networks and Opportunistic Networks. The knowledge about encounters’ patterns among mobile nodes will be helpful for understanding the role and potential of mobile devices as relaying nodes. Data about the usage of Wi-Fi networks can be exploited to analyze the patterns of encounters between pairs of mobile devices and then be extrapolated for other contexts. Since human mobility occurs in different spatial and temporal scales, the role of scale in mobility modeling is crucial. Although spatial properties of mobility have been studied in different scales, by our knowledge there is no fundamental perspective about human mobility properties at different temporal scales. In this paper we evaluate the connectivity properties of node encounters at different temporal durations. We observed that connectivity properties of node encounters follow almost the same trends in different time intervals, although slopes and exponential decaying rates may be different. Our observations illustrate that networks formed from encounters of nodes extracted from Wi-Fi traces do not exhibit a scale free behaviour.
TypeConference paper
Publisher version
AccessOpen access
Appears in Collections:CAlg - Artigos em livros de atas/Papers in proceedings

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