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Title: A SIP-based seamless-handoff (S-SIP) scheme for heterogeneous mobile networks
Authors: Zhang, J
Chan, HCB 
Leung, VCM
Keywords: Mobile communication
Mobility management (mobile radio)
Radio access networks
Issue Date: 2007
Publisher: IEEE
Source: IEEE Wireless Communications and Networking Conference, 2007 : WCNC 2007, 11-15 March 2007, Kowloon, p. 3946-3950 How to cite?
Abstract: One of the prominent goals of next-generation mobile communication systems is to support seamless roaming of users across heterogeneous wireless access networks. Although SIP has been regarded as an attractive candidate to provide mobility management in B3G/4G networks because of its flexibility and ease of deployment, it still suffers from unacceptably long handoff delays. In this paper, a SIP-based seamless-handoff (S-SIP) scheme is proposed to overcome this problem in inter-domain roaming. Unlike the other SIP-based handoff methods, S-SIP employs a "make-before-break" procedure for seamless handoffs. Moreover, we also propose the appropriate handoff triggering point for this scheme based on location tracking techniques. Simulations results show that the proposed scheme greatly outperform the general SIP-based handoff scheme.
ISBN: 1-4244-0658-7
1-4244-0659-5 (E-ISBN)
ISSN: 1525-3511
DOI: 10.1109/WCNC.2007.721
Appears in Collections:Conference Paper

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