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Battery aging-aware energy management of green small cells powered by the smart grid

Publié le 29 mars 2018
Battery aging-aware energy management of green small cells powered by the smart grid
Auteurs
Mendil M., De Domenico A., Heiries V., Caire R., Hadjsaid N.
Year2017-0495
Source-TitleEurasip Journal on Wireless Communications and Networking
Affiliations
CEA, LETI, MINATEC, Grenoble, France, University Grenoble Alpes, G2Elab, Grenoble, France
Abstract
Mobile operators are deploying energy-harvesting heterogeneous networks due to their foreseen advantages such as self-sustainable capability and reduced operating expenditure, which cannot be offered by conventional grid powered communications. However, the used energy storage is subject to irreversible aging mechanisms, requiring intelligent management that considers both the energy cost and battery life cycle. In this paper, we propose a cognitive energy management strategy for small cell base stations powered by local renewable energy, a battery, and the smart grid to simultaneously minimize electricity expenditures of the mobile operators and enhance the life span of the storage device. Non-linear battery models and aging processes are considered to formulate the energy cost optimization problem. Simulation results in different configurations show that a degradation-aware policy significantly improves the battery lifetime, while achieving considerable cost savings. © 2017, The Author(s).
Author-Keywords
Battery, Cognitive energy management, Energy harvesting, Green communication, Small cell, Smart grid
Index-Keywords
Battery management systems, Costs, Electric batteries, Electric power transmission networks, Energy harvesting, Energy management, Heterogeneous networks, Optimization, Storage management, Virtual storage, Battery, Electricity expenditures, Energy management strategies, Green communications, Intelligent management, Non-linear battery models, Small cells, Smart grid, Smart power grids
ISSN16871472
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