Dynamic Switching off Algorithms for Pico Base Stations in Heterogeneous Cellular Networks

Provided by: Springer Science+Business Media
Topic: Networking
Format: PDF
The densification of Pico Base Stations (PBSs) in Heterogeneous cellular Networks (HetNets) causes redundant energy consumption of the whole network during low traffic periods. In order to address this problem, they take advantage of the traffic load fluctuation over time and area to adapt the necessary resource to the actual traffic demand by introducing sleep mode to the PBSs. To achieve this target, the authors propose two centralized algorithms (i.e., the heuristic algorithm and the progressive algorithm) in this paper to dynamically switch off the unnecessary PBSs, both of which can track the traffic variation well.

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