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A heterogeneous wireless network is characterized by the presence of different wireless access technologies that coexist in an overlay fashion. These wireless access technologies usually differ in terms of their operating parameters. On the other hand, Mobile Stations (MSs) in a heterogeneous wireless network are equipped with multiple interfaces to access(More)
Even though various wireless Network Access Technologies (NATs) with different specifications and applications have been developed in the recent years, no single wireless technology alone can satisfy the anytime , anywhere, and any service wireless access needs of mobile users. A real seamless wireless mobile environment is only realized by considering(More)
Keywords: WLAN WMAN WWAN Network access selection Vertical handoff Heterogeneous networks FVIKOR a b s t r a c t In a highly integrated ubiquitous wireless environment, the selection of a network that can fulfill end-users' service requests while keeping their overall satisfaction at a high level, is vital. The wrong selection can lead to undesirable(More)
Given a bounded n-connected domain Ω in the plane bounded by n non-intersecting Jordan curves and given one point b j on each boundary curve, L. Bieberbach proved that there exists a proper holomorphic mapping f of Ω onto the unit disc that is an n-to-one branched covering with the properties: f extends continuously to the boundary and maps each boundary(More)
In the present scenario various wired and wireless networks are contributing in information access for different users. But as we are moving towards next generation, the communication is targeting for integration of these wired and wireless networks. Once a client obtains a global address from Internet gateway it is able to communicate with nodes in(More)