Wireless Networks Virtualisation: Traffic Modeling And Spectrum Sharing
2015 IEEE International Conference on Communications (ICC)(2015)
摘要
Wireless Network Virtualisation (WNV) is a promising approach to address the explosive traffic growth in future mobile networks. In the WNV, the physical spectrum, which is owned by the Network Operator (NO), is shared among multiple Virtual Operators (VOs) according to a predefined sharing policy between the NO and the VOs. In this paper, we develop a unified analytical framework for WNV that is based on a queuing system. By using this framework, we derive analytical expressions for various performance metrics, e. g., the blocking probability, and use them to evaluate the performance of the WNV under different sharing policies. The analytical and simulations results agree very well, confirming that the framework is accurate and showing its suitability to serve as a tool to design an efficient policy for sharing the physical spectrum in the WNV.
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关键词
Network virtualisation,queuing analysis,spectrum sharing
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