Application-layer mobility using SIP
ACM SIGMOBILE Mobile Computing and Communications Review
P-MIP: paging extensions for mobile IP
Mobile Networks and Applications - Analysis and Design of Multi-Service Wireless Networks
SIP Call Setup Delay in 3G Networks
ISCC '02 Proceedings of the Seventh International Symposium on Computers and Communications (ISCC'02)
A comparison of hard-state and soft-state signaling protocols
Proceedings of the 2003 conference on Applications, technologies, architectures, and protocols for computer communications
An empirical analysis of the IEEE 802.11 MAC layer handoff process
ACM SIGCOMM Computer Communication Review
Mobile Networks and Applications
IEEE Transactions on Mobile Computing
A multilayered hybrid architecture to support vertical handover between IEEE802.11 and UMTS
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Proactive key distribution using neighbor graphs
IEEE Wireless Communications
Combining layer 2-layer 3 paging for wireless LANs
IEEE Transactions on Wireless Communications
Wireless Personal Communications: An International Journal
Location-based vehicular moving predictions for wireless communication
International Journal of Ad Hoc and Ubiquitous Computing
A VoIP system for mobility voice security support using the VPN
Security and Communication Networks
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This paper introduces a new paging technique to track and wake up a mobile node (MN) attached to an access point (AP) in a wireless LAN network after a session initiation protocol (SIP) INVITE message is initiated by a caller. A tracking agent (TA) keeps track of the mobiles' handoffs between the APs. A paging agent (PA) triggers the TA to page the mobile when a SIP INVITE is received for one of its users. The context transfer feature of our paging protocol allows the paging messages to deliver the station context in order to enable faster session reestab-lishment. The AP then does onlink paging in a wireless link. SIP extensions are needed to trigger the PA to start paging MNs to notify their dormant status using an extended SIP REGISTER method. Tracking protocol is analyzed to compare soft- and hard-state approaches for state inconsistency ratio, message rate, and the overall cost. The simulation model we developed enables us to evaluate the traffic introduced by the tracking protocol and the cache (state) size. Paging protocol is analyzed for CPU processing times and the transmission delays in the SIP session setup with paging. Simulation of the paging with context transfer is used to show the gains in reauthentication.