Minimizing SIP session re-setup delay over wireless link in 3G handover scenarios

Authors:
Bongkyo Moon
Affiliations:
Department of Computer Science and Engineering, Dongguk University-Seoul, Seoul, South Korea
Venue:
EURASIP Journal on Wireless Communications and Networking
Year:
2010

Citing 4
Cited 1

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Analysis of SIP-Based IMS Session Establishment Signaling for WiMax-3G Networks

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A Cross-Layer Analysis of Session Setup Delay in IP Multimedia Subsystem (IMS) With EV-DO Wireless Transmission

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Analysis of SIP-based mobility management in 4G wireless networks

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Analysis of Ongoing SIP Session with Resource Reservation in Vertical Handover Scenario

Wireless Personal Communications: An International Journal

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Abstract

The delay in transmitting SIPmessages over the wireless link for session resetup at handover is still major bottleneck for interactive multimedia service. In this paper, a proxy agent-based scheme is proposed to minimize the SIP session setup delay over a wireless link in 3G inter-subnet handover scenarios. This scheme is based on the two characteristics. One is that the major factor of SIP session re-setup delay is generally caused by the retransmissions in the unreliable wireless links, and the other is that most of the fields in request messages as well as response messages are duplicated when a set of SIP messages are exchanged during session re-setup procedure. In this scheme, no change is required in the SIP message processing except for the proxy agents in both BS and MH.