Nowadays, the huge worldwide mobile-phone penetration is increasingly turning the mobile
network into a gigantic ubiquitous sensing platform, enabling large-scale analysis and …

Mobile positioning has drawn significant attention in recent years. Nonline-of-sight (NLOS)
propagation error is the dominant error source in mobile positioning. Most previous research …

Unlike the bandwidth in a wired network, radio spectrum is a significantly scarce resource.
This resource needs to be efficiently shared and reused by a number of users who may be …

This work presents SUTIL, a mechanism for network selection in the context of next
generation networks (NGN). SUTIL selection mechanism prioritizes networks with higher …

Advances in cellular mobile technology have engendered a new paradigm of computing,
called mobile computing. The frequency spectrum allocated to this service is not sufficient …

The present invention provides a method of providing rate tiers in a wireless communication
system. Embodiments of the method include forming, at a network element in the wireless …

Mobility prediction is defined as guessing the next access point (s) a mobile terminal will join
so as to connect to a (wired or wireless) network. Knowing in advance where a terminal is …

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 …

A billing mediation system for use within a communications network that correlates session
records pertaining to usage of network resources is disclosed. The billing mediation system …

Future wireless/mobile system is expected to have heterogeneous wireless overlay
networks for ubiquitous multimedia communication. In a such network environment, mobile …