Social mobility models attempt to mimic human movement characteristics with the motivation to provide more realistic experimentation environments. Being recent, these models have a few gaps, being one of them the lack of a realistic function to dynamically track pauses. This paper proposes and evaluates such a function against real-traces.Index Terms-Wireless networks; pause time; social mobility models; human movement. This is the author's pre-print version. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising, promotion or for creating new collective works for resale or for redistribution to thirds must be obtained from the camera-ready copyright owner. The camera-ready version of this work has been published in ISWSC2012.

Wireless networks growing popularity coupled with a wide availability of wireless-enabled personal devices is today the basis for user-centric Internet architectures to evolve. Central to this new paradigm of user-centricity is the fact that today the Internet end-user exhibits a highly nomadic behavior, where most of the portable devices are carried by humans. The thesis proposed relates to the recent trend of social mobility modeling as a way to improve mobile network operation. The work is focused on the analysis of social mobility models and how to propose new models having in mind an overall network optimization due to the possibility to predict adequately node movement on mobile networks.Index Terms-wireless networks, social mobility models, human movement.

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