Abstract
In this paper, we study the virtual resource (VR) allocation problem in LTE-based wireless network virtualization (WNV). A practical network scenario, where multiple virtual wireless service providers (WSPs) request the VR from a unique mobile network operator (MNO) is considered. Our objective is two folds. The first is to guarantee the minimum rate requirements of the MNO and the WSPs. The second is to distribute the system rate among the MNO and the WSPs in the Pareto optimal manner. To this end, an efficient VR allocation scheme based on bargaining game theory is proposed, and the Nash bargaining solution (NBS) method is used to solve the proposed game problem. The proposed game problem is proved to be a convex optimization problem. By using standard convex optimization method, the global optimal NBS of the game is obtained in closed form. The effectiveness of the proposed VR allocation game is testified through numerical results.
摘要
创新点
针对虚拟蜂窝网络的频谱资源分配问题, 综合考虑技术层面的因素, 如时变的无线信道质量和蜂窝网络所采用的物理层协议, 以及移动网络运营商 (MNO) 和虚拟服务提供商 (WSP) 的网络效用因素, 提出一种基于协作博弈论的虚拟网络资源分配方案. 该方案能够满足 MNO 和 WSP 的最低频谱资源需求, 并能将有限的虚拟网络资源以帕累托最优的方式在各 MNO 和 WSP 之间进行分配.
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Zhang, G., Yang, K., Xu, K. et al. A bargaining game theoretic method for virtual resource allocation in LTE-based cellular networks. Sci. China Inf. Sci. 58, 1–9 (2015). https://doi.org/10.1007/s11432-015-5457-9
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DOI: https://doi.org/10.1007/s11432-015-5457-9
Keywords
- wireless network virtualization
- spectrum resource allocation
- cooperative game theory
- Nash bargaining solution
- Pareto optimality