With increasing popularity of wireless local area network (WLAN) and emerging real-time
applications, seamless mobility has become one of the primary concerns. Hence, the choice …

In 3G-WLAN overlay network environments, a UE is apt to lose the WLAN signal without any
notice by moving while it connects to WLAN because it can be apart from the WLAN …

For real-time applications running over hand-held mobile terminals in heterogeneous
environments, efficient vertical handover (VH) algorithms are required in maintaining a …

With the proliferation of a diverse array of networks in the recent past, the heterogeneous
environment is foreseen to serve mobile terminals (MT) in a complementary fashion at large …

Next generation wireless communications are expected to rely on integrated networks
consisting of multiple wireless technologies. Heterogeneous networks based on Wireless …

The recent advances in wireless communications require integration of multiple network
technologies in order to satisfy the increasing demand of mobile users. Mobility in such a …

Fourth-generation wireless networks may require an integration of mobile ad hoc networks
(MANET) into external network to enhance the flexibility of the communication and roaming …

Seamless wireless local area network (WLAN)-to-cellular handover can often be very
difficult to achieve. A particularly bad scenario may occur when mobile users exit from indoor …

Seamless vertical handoff between different access networks in the next generation wireless
networks remains a challenging problem. A recent vertical handoff scheme that is based on …

In this article new architectures for network-assisted management of vertical handovers are
proposed, relying on IP-based protocols, aiming at achieving the most relevant intersystem …