Seamless mobility across IP networks using Mobile IP
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Towards a new internet architecture
WCDMA and WLAN for 3G and beyond
IEEE Wireless Communications
WLAN-GPRS integration for next-generation mobile data networks
IEEE Wireless Communications
QoS in next-generation wireless multimedia communications systems
IEEE Wireless Communications
An IP-based QoS architecture for 4G operator scenarios
IEEE Wireless Communications
Transparent IP radio access for next-generation mobile networks
IEEE Wireless Communications
A multilayered mobility management scheme for auto-configured wireless IP networks
IEEE Wireless Communications
Supporting packet-data QoS in next generation cellular networks
IEEE Communications Magazine
Position-based routing in ad hoc networks
IEEE Communications Magazine
Investigation of radio resource scheduling in WLANs coupled with 3G cellular network
IEEE Communications Magazine
Network mobility in beyond-3G systems
IEEE Communications Magazine
Hotspot wireless LANs to enhance the performance of 3G and beyond cellular networks
IEEE Communications Magazine
Interworking architecture between 3GPP and WLAN systems
IEEE Communications Magazine
Policy-based QoS-management architecture in an integrated UMTS and WLAN environment
IEEE Communications Magazine
Scalable routing protocols for mobile ad hoc networks
IEEE Network: The Magazine of Global Internetworking
Interworking architectures for IP multimedia subsystems
Mobile Networks and Applications
LCSCW2: an architecture for IP multimedia subsystems
The Fourth International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness & Workshops
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A consequence of the fast spreading of WLAN implementations aiming at offering communications capability in public hot-spot locations, such as airports and stations, is the growing need of studying possible WLAN and UMTS cellular network integration solutions in a unique augmented infrastructure. In this paper the prospects of an efficient interaction between UMTS and 802.11-based networks are analysed in view of the achievement of a "Global IP" idea. The authors' intention is to give a picture of the current standardisation activities in this field, to enable the reader to better understand what has been done and what can still be done towards an efficient joint exploitation of both technologies. Therefore, possible scenarios of WLAN-UMTS interconnection/integration are investigated to point out requirements, enabling technologies, proposed solutions and open issues. Furthermore, for some of the scenarios highlighted, preliminary studies of the authors on AAA (Authentication, Authorisation and Accounting) and QoS management are presented.