Bayesian Networks and Decision Graphs
Bayesian Networks and Decision Graphs
The Vision of Autonomic Computing
Computer
Artificial Intelligence: A Modern Approach
Artificial Intelligence: A Modern Approach
Sensing-based opportunistic channel access
Mobile Networks and Applications
Learning Bayesian Networks
Policy-Based Network Management: Solutions for the Next Generation (The Morgan Kaufmann Series in Networking)
Service configuration and user profiling in 4G terminals
Wireless Personal Communications: An International Journal
Efficient Discovery of Spectrum Opportunities with MAC-Layer Sensing in Cognitive Radio Networks
IEEE Transactions on Mobile Computing
Neural network-based learning schemes for cognitive radio systems
Computer Communications
Enhancing Channel Estimation in Cognitive Radio Systems by means of Bayesian Networks
Wireless Personal Communications: An International Journal
IEEE Transactions on Wireless Communications
Management System for Terminals in the Wireless B3G World
Wireless Personal Communications: An International Journal
IEEE Wireless Communications
Equipment management issues in B3G, end-to-end reconfigurable systems
IEEE Wireless Communications
Teamwork and Collaboration in Cognitive Wireless Networks
IEEE Wireless Communications
m@ANGEL: autonomic management platform for seamless cognitive connectivity to the mobile internet
IEEE Communications Magazine
Context-aware semantic discovery for next generation mobile systems
IEEE Communications Magazine
Supporting context-aware mobile applications: an infrastructure approach
IEEE Communications Magazine
Cognitive networks: adaptation and learning to achieve end-to-end performance objectives
IEEE Communications Magazine
Terminal-Controlled Mobility Management in Heterogeneous Wireless Networks
IEEE Communications Magazine
Cognitive radio: brain-empowered wireless communications
IEEE Journal on Selected Areas in Communications
Automated network selection in a heterogeneous wireless network environment
IEEE Network: The Magazine of Global Internetworking
Distributed Delay-Aware Routing and Metrics Evaluation for Cognitive Radio Networks
Wireless Personal Communications: An International Journal
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Operators of wireless infrastructures should maintain their users "always-best-connected". This concept means that applications should be offered to users at the best possible Quality of Service (QoS) level, taking into account profile, context and policy information. The profiles provide the user requirements and preferences, the terminal capabilities, and the application requirements. The policies provide the objectives, constraints imposed by various stakeholders, for instance the network operator (NO). The context of operation designates relevant applications, available networks and their QoS capabilities. The "always-best-connectivity" concept can be achieved by directing user terminals to the most appropriate networks of the heterogeneous infrastructure of the NO. In this respect, advanced terminal management functionality is required. This paper presents management mechanisms for utility-based cognitive network selections. The utility is used for expressing the user desire for a QoS level. Cognition mechanisms are applied for learning the QoS capabilities of candidate networks, and therefore increasing the reliability and seamlessness of the network selections. Extensive results are provided, which show the behaviour of the scheme in terms of network selections made, and computational effort required for the acquisition of the knowledge.