An Adaptive Scheme for Vertical Handoff in Wireless Overlay Networks
ICPADS '04 Proceedings of the Parallel and Distributed Systems, Tenth International Conference
Handoff Trigger Nodes for Hybrid IEEE 802.11 WLAN/Cellular Networks
QSHINE '04 Proceedings of the First International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks
Authentication platform for seamless handover in heterogeneous environments
ICAS-ICNS '05 Proceedings of the Joint International Conference on Autonomic and Autonomous Systems and International Conference on Networking and Services
Vertical Handoff between WWAN and WLAN
ICNICONSMCL '06 Proceedings of the International Conference on Networking, International Conference on Systems and International Conference on Mobile Communications and Learning Technologies
A soft-handoff transport protocol for media flows in heterogeneous mobile networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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Computer Networks: The International Journal of Computer and Telecommunications Networking
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Computer Communications
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Computer Communications
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Computer Communications
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Computer Communications
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Computer Communications
An Agile Vertical Handoff Scheme for Heterogeneous Networks
PERSER '06 Proceedings of the 2006 ACS/IEEE International Conference on Pervasive Services
A flexible handover mechanism for seamless service continuity in heterogeneous environments
Computer Communications
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Computer Communications
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Computer Communications
Using abstract interpretation to add type checking for interfaces in Java bytecode verification
Theoretical Computer Science
Review: An overview of vertical handover techniques: Algorithms, protocols and tools
Computer Communications
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Proceedings of the 7th ACM workshop on Performance monitoring and measurement of heterogeneous wireless and wired networks
The end-to-end QoS guarantee framework for interworking WiMAX PMP and mesh networks with Internet
Computers and Electrical Engineering
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The development of wireless networks brings people great convenience. More state-of-the-art communication protocols of wireless networks are getting mature. People attach more importance to the connections between heterogeneous wireless networks as well as the transparency of transmission quality guarantees. In this paper, WiFi wireless networks and WiMAX mobile communication system are selected as our research subjects. VHTC (Vertical Handoff Translation Center Architecture) is proposed to improve the transmission QoS guarantees. Thus, the quality of transmission cannot be reduced enormously even by the effect of vertical handoff between heterogeneous wireless networks. This paper includes new approaches and architecture among Packet Translation, QoS Mapping, Bandwidth Borrowing Management and Vertical Handoff Protocol with a view to achieve the goal, that is, an advanced seamless heterogeneous wireless networks. Also, through the modification of WiFi module of TKN and WiMAX module of NIST, these two heterogeneous wireless networks can be connected and embedded in NS2 (Network Simulator version 2) simulation system. Afterwards, the methods, proposed in this paper, can be implemented in such simulation system. Finally, lots of satisfactory simulation results about throughput, delay, jitter and packet loss rate were given to show the brilliant performance of vertical handoff implemented by VHTC.