On the self-similar nature of Ethernet traffic (extended version)
IEEE/ACM Transactions on Networking (TON)
Wide area traffic: the failure of Poisson modeling
IEEE/ACM Transactions on Networking (TON)
Analysis of delay and delay jitter of voice traffic in the internet
Computer Networks: The International Journal of Computer and Telecommunications Networking
On the deployment of VoIP in Ethernet networks: methodology and case study
Computer Communications
Performance evaluation of SIP-based multimedia services in UMTS
Computer Networks: The International Journal of Computer and Telecommunications Networking - Selected papers from the European wireless 2004 conference
WLAN-GPRS integration for next-generation mobile data networks
IEEE Wireless Communications
Interworking techniques and architectures for WLAN/3G integration toward 4G mobile data networks
IEEE Wireless Communications
Interworking of IP multimedia core networks between 3GPP and WLAN
IEEE Wireless Communications
SIP-based vertical handoff between WWANs and WLANs
IEEE Wireless Communications
Architecture for mobility and QoS support in all-IP wireless networks
IEEE Journal on Selected Areas in Communications
A linear chained approach for service invocation in IP Multimedia Subsystem
Computers and Electrical Engineering
Mobile Networks and Applications
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Ensuring uninterrupted service continuity for handoff calls in an all-IP inter-networked heterogeneous environment requires successful session management among participating access networks. As such, a mobility-aware novel interworking architecture is presented in this article that facilitates session management including session establishment and seamless session handoff across different networks. This framework conveniently enables any 3G cellular technology such as the Universal Mobile Telecommunications System (UMTS) to interwork with a given Broadband Wireless Access (BWA) technology such as the Worldwide Interoperability for Microwave Access (WiMAX) network or the Wireless Local Area Network (WLAN) under a common signaling platform. This framework exploits the IP Multimedia Subsystem (IMS) as a universal coupling mediator for real-time session negotiation and management. Next, a Queuing Theory based analytical model for evaluating the performance of vertical handoff management between these interworked 3rd Generation (3G) cellular networks and the WLANs is presented. The analysis includes vertical handoff performance measures such as delay, transient packet loss, jitter, and signaling overhead/cost. The latter part of this paper presents some results from OPNET based simulations for the verification of the analytical model and results.