Wireless hotspots: current challenges and future directions
Proceedings of the 1st ACM international workshop on Wireless mobile applications and services on WLAN hotspots
An end-to-end approach for transparent mobility across heterogeneous wireless networks
Mobile Networks and Applications
Integrating heterogeneous wireless technologies: a cellular aided mobile Ad Hoc network (CAMA)
Mobile Networks and Applications
Providing Throughput Guarantees in 802.11e WLAN Through a Dynamic Priority Assignment Mechanism
Wireless Personal Communications: An International Journal
Load balancing in the call admission control of heterogeneous wireless networks
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Wireless hotspots: current challenges and future directions
Mobile Networks and Applications - Special issue: Wireless mobile wireless applications and services on WLAN hotspots
Signal threshold adaptation for vertical handoff in heterogeneous wireless networks
Mobile Networks and Applications
802.11-based wireless-LAN and UMTS interworking: requirements, proposed solutions and open issues
Computer Networks: The International Journal of Computer and Telecommunications Networking - Wireless IP through integration of wireless LAN and cellular networks
Analysis of handoff in a location-aware vertical multi-access network
Computer Networks: The International Journal of Computer and Telecommunications Networking - Wireless IP through integration of wireless LAN and cellular networks
Support of subscribers' certificates in a hybrid WLAN-3G environment
Computer Networks: The International Journal of Computer and Telecommunications Networking
Computer Networks: The International Journal of Computer and Telecommunications Networking - Selected papers from the European wireless 2004 conference
A Development Environment for OSA-Based Applications over the Interworked WLAN and Cellular Networks
Wireless Personal Communications: An International Journal
WLAN-GPRS Tight Coupling Based Interworking Architecture with Vertical Handoff Support
Wireless Personal Communications: An International Journal
Investment decisions in the wireless industry applying real options
Telecommunications Policy
Context-for-wireless: context-sensitive energy-efficient wireless data transfer
Proceedings of the 5th international conference on Mobile systems, applications and services
Wireless Personal Communications: An International Journal
Towards a Wi-Fi ecosystem: Technology integration and emerging service models
Telecommunications Policy
Seamless multimedia sessions and real-time measurements in hybrid 3G and WLAN networks
International Journal of Wireless and Mobile Computing
A rate adaptation scheme for media streaming over heterogeneous networks
International Journal of Wireless and Mobile Computing
Interworking of 3G cellular networks and wireless LANs
International Journal of Wireless and Mobile Computing
Modelling and evaluation of the 3G mobile networks with hot-spot WLANs
International Journal of Wireless and Mobile Computing
Power-efficient communication protocol for integrated WWAN and WLAN
EURASIP Journal on Wireless Communications and Networking - Multimedia over Wireless Networks
IMCAS'07 Proceedings of the 6th WSEAS International Conference on Instrumentation, Measurement, Circuits and Systems
Secure authentication in heterogeneous wireless networks
Mobile Information Systems - Mobile Systems and Applications
Interworking architectures for IP multimedia subsystems
Mobile Networks and Applications
Ubiquitous computing for remote cardiac patient monitoring: a survey
International Journal of Telemedicine and Applications - Regular issue
Dual home agent (DHA)-based location management scheme in integrated cellular-WLAN networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
A scenario of voice services delivery over enterprise W/LAN networked platform
Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia
Mobility-aware management of internet connectivity in always best served wireless scenarios
Mobile Networks and Applications
A novel network mobility handoff scheme using SIP and SCTP for multimedia applications
Journal of Network and Computer Applications
LCSCW2: an architecture for IP multimedia subsystems
The Fourth International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness & Workshops
Adaptive guard channel based CAC scheme in a 3G-WLAN integrated network
Proceedings of the 4th International Conference on Queueing Theory and Network Applications
Seamless continuity of PS-services in WLAN/3G interworking
Computer Communications
802.11-Based Wireless-LAN and UMTS interworking: requirements, proposed solutions and open issues
Computer Networks: The International Journal of Computer and Telecommunications Networking - Wireless IP through integration of wireless LAN and cellular networks
Analysis of handoff in a location-aware vertical multi-access network
Computer Networks: The International Journal of Computer and Telecommunications Networking - Wireless IP through integration of wireless LAN and cellular networks
Computer Networks: The International Journal of Computer and Telecommunications Networking - Selected papers from the European wireless 2004 conference
Fuzzy neural control for economic-driven radio resource management in beyond 3G networks
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
IEEE Transactions on Wireless Communications
Secure interworking & roaming of WiMAX with 3G and Wi-Fi
IM'09 Proceedings of the 11th IFIP/IEEE international conference on Symposium on Integrated Network Management
An analytical evaluation of mobility management in integrated WLAN-UMTS networks
Computers and Electrical Engineering
Interworking in heterogeneous wireless networks: comprehensive framework and future trends
IEEE Wireless Communications
Computer Networks: The International Journal of Computer and Telecommunications Networking
Virtualconnection: opportunistic networking for web on demand
ICDCN'10 Proceedings of the 11th international conference on Distributed computing and networking
ICCSA'11 Proceedings of the 2011 international conference on Computational science and Its applications - Volume Part V
A one-pass method of MIP registration by WLAN host through GPRS network
ICDCN'06 Proceedings of the 8th international conference on Distributed Computing and Networking
Performance evaluation of authentication certificate based seamless vertical handoff in GPRS-WLAN
HPCA'09 Proceedings of the Second international conference on High Performance Computing and Applications
Integrating WMAN with WWAN for seamless services
ICN'05 Proceedings of the 4th international conference on Networking - Volume Part I
Secure electronic payments in heterogeneous networking: new authentication protocols approach
ICCSA'05 Proceedings of the 2005 international conference on Computational Science and Its Applications - Volume Part III
Application signal threshold adaptation for vertical handoff in heterogeneous wireless networks
NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
Location assisted fast vertical handover for UMTS/WLAN overlay networks
WWIC'05 Proceedings of the Third international conference on Wired/Wireless Internet Communications
AAA for spontaneous roaming agreements in heterogeneous wireless networks
ATC'07 Proceedings of the 4th international conference on Autonomic and Trusted Computing
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The ongoing wireless LAN standardization and R&D activities worldwide, which target bit rates higher than 100 Mb/s, combined with the successful deployment of WLANs in numerous hotspots justify the fact that WLAN technology will play a key role in wireless data transmission. Cellular network operators have recognized this fact, and strive to exploit WLAN technology and integrate this technology into their cellular data networks. For this reason, there is currently a strong need for interworking mechanisms between WLANs and cellular data networks. We focus on these interworking mechanisms, which effectively combine WLANs and cellular data networks into integrated wireless data environments capable of ubiquitous data services and very high data rates in hotspot locations. We discuss the general aspects of integrated WLANs and cellular data networks, and we examine the generic interworking architectures that have been proposed in the technical literature. In addition, we review the current standardization activities in the area of WLAN-cellular data network integration. Moreover, we propose and explain two different interworking architectures, which feature different coupling mechanisms. Finally, we compare the proposed interworking architectures, and discuss their advantages and drawbacks.