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Network selection in heterogeneous wireless networks

Abstract : in the present trend towards ubiquity of networks and mobility of services, we observe that network access can be provided by different types of access technologies with coverage overlapping, which composes an environment of heterogeneous wireless networks. in this environment, mobile terminals need always select the best network. in this dissertation, we make firstly a survey of existing schemes of network selection, which utilise different mathematical models. then, we establish a simulator by matlab. in our first proposition, the problem of using mobility factors are studied. we explain that the selection of the best network becomes the selection of the best permutation when vertical handover properties are taken into account. in the end, we propose a scheme to find the best permutation. secondly, we analyze the requirement of new subjective weighting method. we propose a new automatic method, which is based on the triggers and is capable of calculating efficiently subjective weights of various attributes, considering terminal and network factors. finally, many other problems of network selection are analyzed and possible solutions are proposed. based on all the above studies, we propose an integrated strategy for network selection.
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Contributor : Lusheng Wang Connect in order to contact the contributor
Submitted on : Monday, September 13, 2010 - 8:40:43 PM
Last modification on : Friday, July 31, 2020 - 10:44:05 AM
Long-term archiving on: : Friday, December 2, 2016 - 10:03:01 AM


  • HAL Id : pastel-00517219, version 1



Lusheng Wang. Network selection in heterogeneous wireless networks. Networking and Internet Architecture [cs.NI]. Télécom ParisTech, 2010. English. ⟨pastel-00517219⟩



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