Network Mobility from the InternetCAR Perspective
AINA '03 Proceedings of the 17th International Conference on Advanced Information Networking and Applications
Performance Analysis and Modeling of Two-Tier Cellular Networks with Queuing Handoff Calls
ISCC '03 Proceedings of the Eighth IEEE International Symposium on Computers and Communications
Load Sharing and Session Preservation with Multiple Mobile Routers for Large Scale Network Mobility
AINA '04 Proceedings of the 18th International Conference on Advanced Information Networking and Applications - Volume 2
Network mobility in beyond-3G systems
IEEE Communications Magazine
Performance analysis of soft handoff in CDMA cellular networks
IEEE Journal on Selected Areas in Communications
The study of mobile network protocols with virtual machines
Proceedings of the 4th International ICST Conference on Simulation Tools and Techniques
Proportional bandwidth adjustment using BER ratios, in a two-tier hierarchical NEMO system
Wireless Communications & Mobile Computing
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In this paper, we present an analytical model of two-tier handoff mechanisms for a hierarchical NEMO system composed of access routers (ARs), mobile routers (MRs), and visiting mobile nodes (MNs). In the proposed two-tier handoff mechanism, service areas of MR and AR are respectively divided into handoff and non-handoff regions. Consequently, concurrent voice/data sessions in a hierarchical AR-MR model can be classified into four types according to the locations of MN and MR within the MR's and the AR's service areas, respectively. We build a mathematical model with 4-D Markov chains to analyze the performance in terms of the system utilization and the blocking probabilities of new sessions and handoff sessions. For the purpose of validation, we conduct experiments through simulation. Simulation results reveal that both the blocking probabilities of new sessions and handoff sessions are very close to the analytical results, particularly when the system utilization is high. The impacts of session residence time and session arrival rates on the blocking probabilities are also investigated.