Wireless virtual network embedding based on spectrum sharing allocation
Xiangru Liu, Muxuan Li, Mei Na Song, Zhonglin Tian, Jianxun Fan · 2016
Wireless network virtualization has gained a lot of interest from academic research and is seen as a promising way to relieve the rigid network problem due to its abstraction and sharing of infrastructure and radio spectrum resources. Some algorithms have been proposed to assign physical resources to virtual networks in an efficient way regardless of the change of user's demand during their entire lifetime. It is a waste to always meet the peak demand of workload especially in consideration of the spectrum crisis. In this paper, we propose a wireless virtual network embedding algorithm based on opportunistic spectrum sharing allocation. Virtual network can implement spectrum sharing enabling increased resource usage and lower rejection rates. The simulation results show that the algorithm we proposed is better than fixed resource allocation VNE in improving accept rates, revenue, resource utilization and lowering the cost of virtual networks.