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Centralized Radio Access Network (C-RAN) is a promising mobile network architecture to face the increasing mobile traffic demand. In this paper, we propose a detailed model to evaluate the statistical multiplexing gain achieved through C-RAN baseband pooling, and based on this model we can perform a cost analysis taking into consideration different geographical type areas (geotypes). We show the influence...
For the incoming 5G mobile communications, enhanced cell coordination is deemed as crucial to maximize network throughput. In this paper we focus on the impact that the placement of coordination controllers in the metro optical network has on the performance of cell coordination, and we aim at verifying how throughput maximization can be achieved through optimized controller placement. Specifically,...
Centralized Radio Access Network (C-RAN) has been recently proposed to increase network capacity, reduce energy consumption, and improve scalability. However, C-RAN requires an extensive modification to the current infrastructure, which results in a considerable deployment cost. In this paper, we conduct a techno-economic study to evaluate the migration cost of C-RAN, and we propose a methodology...
In recent years, the increasing traffic demand in radio access networks (RANs) has led to considerable growth in the number of base stations (BSs), posing a serious scalability issue, including the energy consumption of BSs. Optical-access-enabled Cloud-RAN (CRAN) has been recently proposed as a next-generation access network. In CRAN, the digital unit (DU) of a conventional cell site is separated...
Next-generation radio-access networks will experience excessive handover due to shrinking cell sizes (to support more users) and increasing user mobility. We form Virtual Passive Optical Network (VPON) using mobility-prediction information to reduce handovers in CRAN.
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