5G mobile networks will be utilized not only for mobile broadband services but also for other vertical sectors such as automotive, manufacturing and so on. Therefore, network operators are required to provide dedicated communication network services satisfying a variety of requirements. To realize that flexibly and quickly, technologies for constructing slices, which are dedicated virtual networks meeting each service’s requirements, are being widely studied. One crucial issue is the management and control of heterogeneous physical resources across the entire network. One key solution for addressing this is resource abstraction technology. It is important to adjust the resource abstraction level to achieve both reasonable resource allocations and efficient management. In this paper, we propose an abstracted resources model for mobile fronthaul and backhaul of 5G Radio Access Networks (RAN), and a method for abstracting resources from many types of physical network resource. Evaluation results show that the proposed method can reduce the processing step to half and enhance network efficiency.
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