Introduction to Grey system theory
The Journal of Grey System
Service delivery over heterogeneous wireless systems: networks selection aspects
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Automated network selection in a heterogeneous wireless network environment
IEEE Network: The Magazine of Global Internetworking
Breaking the silos: access and service convergence over the mobile internet
Proceedings of the 11th international symposium on Modeling, analysis and simulation of wireless and mobile systems
Fuzzy-based handover decision with multi-attribute auctions in heterogeneous network environments
International Journal of Wireless and Mobile Computing
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Selection of an optimal service delivery network is an important problem to solve in an all IP heterogeneous wireless access network environment. Several network parameters impact the process of network selection in such an environment and ideally their precise values should be known by the decision maker. In reality, however, the exact values for many of the parameters, e.g., those related to quality of service, will not be known. Hence there is a need to develop a network selection mechanism for scenarios when some of the parameter values are less reliable or unavailable. This paper describes a novel and comprehensive network selection approach that combines parameter estimation techniques with fuzzy theory and multi attribute decision making algorithm to perform network selection. In addition the paper proposes a new concept of Confidence Level in the network rankings that leverages additional available information in the final decision process. The proposed techniques provide improved network selection in heterogeneous all IP wireless access environment.