On the Signaling Analysis of SIP-Based Terminal Mobility Management within IEEE 802.11 and 802.16 Heterogeneous Networks

Provided by: International Journal of Computer Networks and Communications Security (IJCNCS)
Topic: Mobility
Format: PDF
In this paper, the authors analyze the SIP-based mobility management behavior within a heterogeneous network interconnecting IEEE 802.11-based Wireless Local Area Network (WLAN) and IEEE 802.16-based Wireless Metropolitan Area Network (WMAN). Their work focuses on signaling processes, during handoff between 802.11 and 802.16 networks. Particularly, the MAC layer technologies of 802.11 and 802.16 are examined in great detail. The SIP-based handoff procedure consists of the following sub-procedures: Mobile Host (MH) initialization at MAC layer, acquisition of a new IP address using Dynamic Host Configuration Protocol (DHCP) in a newly connected network and SIP terminal mobility management process for both pre-call mobility and mid-call mobility.

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