An easy way for location-based services
IMSA'07 IASTED European Conference on Proceedings of the IASTED European Conference: internet and multimedia systems and applications
An Empirical Analysis of Handoff Performance for SIP, Mobile IP, and SCTP Protocols
Wireless Personal Communications: An International Journal
Design and implementation of soft handoff support for SIP-NEMO
Mobility '08 Proceedings of the International Conference on Mobile Technology, Applications, and Systems
An easy way for location-based services
EurolMSA '07 Proceedings of the Third IASTED European Conference on Internet and Multimedia Systems and Applications
A reconfigurable test platform to experiment with wireless heterogeneous networks in a laboratory
International Journal of Communication Networks and Distributed Systems
Mobility protocols for handoff management in heterogeneous networks
PWC'06 Proceedings of the 11th IFIP TC6 international conference on Personal Wireless Communications
The multimedia service session handoff method in heterogeneous wireless networks
International Journal of Grid and Utility Computing
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Application-level protocol abstraction is required to support seamless mobility in next generation heterogeneous wireless networks. Session Initiation Protocol (SIP) provides such an abstraction in providing mobility support in such networks. However, the handoff procedure with SIP suffers from undesirable delay and hence packet loss for some cases, which is detrimental to applications such as Voice over IP (VoIP) or streaming video with stringent quality of service (QoS) requirements. In this paper, we propose a SIP based architecture that supports soft handoff for IP centric wireless networks alleviating the problem of packet loss. The proposed architecture ensures that there is no packet loss and the end-to-end delay jitter is kept under control, thus maintaining two important parameters dictating the QoS for streaming multimedia applications.