Research Unit in Networking
	Abstract

Prédiction de mobilité par le mobile ou par le point d'accès: comparaison sur base de traces réelles J.-M. François1 and G. Leduc1 1 Research unit in Networking, EECS department, University of Liège, Belgium 2 Research unit in Networking, EECS department, University of Liège, Belgium (2006) Abstract The mobility prediction problem is defined as guessing a mobile node's next access point as it moves through a wireless network. Those predictions help take proactive measures in order to guarantee a given quality of service. Prediction agents can be divided into two main categories: agents related to a specific terminal (responsible for anticipating its movements) and those related to an access point (which predict the next access point of all the mobiles connected through it). This paper aims at comparing those two schemes using real traces of a large WiFi network. It shows that commonly admitted hypotheses (such as the different motion behaviour between the week-end and the rest of the week) should be revised. Keywords Mobile Networks, Mobility prediction, QoS

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