Quantitative system performance: computer system analysis using queueing network models
Quantitative system performance: computer system analysis using queueing network models
Wireless and Mobile Network Architectures
Wireless and Mobile Network Architectures
General Modeling and Performance Analysis for Location Management in Wireless Mobile Networks
IEEE Transactions on Computers
Wireless and Mobile All-IP Networks
Wireless and Mobile All-IP Networks
Modeling and performance analysis for wireless mobile networks: a new analytical approach
IEEE/ACM Transactions on Networking (TON)
An improved GGSN failure restoration mechanism for UMTS
Wireless Networks
Connection failure detection mechanism of UMTS charging protocol
IEEE Transactions on Wireless Communications
IEEE Journal on Selected Areas in Communications
Reducing the network cost of call delivery to GSM roamers
IEEE Network: The Magazine of Global Internetworking
Reducing call routing cost for femtocells
IEEE Transactions on Wireless Communications
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Existing mobile service providers allow their customers to receive telecommunications services when they roam to other countries. However, in the standard mobile call setup procedure, a call from the visited country to a roaming customer at that country results in two international calls. This phenomenon is referred to as the tromboning effect. In this paper, we propose a third-party solution that resolves the tromboning problem by replacing two international calls with two local calls. Besides huge saving in voice/data path, analytic modeling and simulation experiments indicate that our solution is effective in call setup signaling. Also, our solution does not need to modify the existing mobile telecommunications systems.