Vertical handoffs in wireless overlay networks
Mobile Networks and Applications - Special issue: mobile networking in the Internet
The mobile people architecture
ACM SIGMOBILE Mobile Computing and Communications Review - Special issue dedicated to Mark Weiser
Browser State Repository Service
Pervasive '02 Proceedings of the First International Conference on Pervasive Computing
Comparison of IP micromobility protocols
IEEE Wireless Communications
A neural-network-based context-aware handoff algorithm for multimedia computing
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
An area-based vertical motion estimation on heterogeneous wireless networks
WASA'06 Proceedings of the First international conference on Wireless Algorithms, Systems, and Applications
An Optimum Vertical Handoff Decision Algorithm Based on Adaptive Fuzzy Logic and Genetic Algorithm
Wireless Personal Communications: An International Journal
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To realize a ubiquitous multimedia environments utilizing mobile devices with multimedia appliances over heterogeneous access networks, we design and implement a service handoff (HO) system which supports two kinds of mobility; vertical HO between 3G Cellular and wireless LAN, and media redirection from mobile devices to multimedia applicances. To overcome inherently high setup latency of Cellular and multimedia appliances, which causes severe media disruption and throughput degradation, we propose a proactive service HO method with a soft HO mechanism based on a geographical resource map. Location-aided HO using the map allows the system to initiate HO in advance for concealment of setup latency. We evaluate HO performance on a testbed.