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In a centralized or cloud radio access network, certain portions of the digital baseband processing of a group of several radio access points are processed at a central data center. Centralization improves the flexibility, scalability, and utilization of computational assets. However, the performance depends critically on how the limited data processing resources are allocated to serve the needs of...
In this paper, we present a novel small cell activation mechanism for heterogeneous networks, which considers the energy saving gains obtained based on the amount of traffic load offloaded from the macro cell to small cells, while avoiding UE QoS degradation. The main idea is to offload traffic to small cells in energy saving mode, only when there is significant energy saving gains achievable from...
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