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Planning solar in energy-managed cellular networks

Mathieu D'Amours, André Girard, Brunilde Sanso

Article (2018)

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Recently, there has been a lot of interest on the energy efficiency and environmental impact of wireless networks. Given that the base stations are the network elements that use most of this energy, much research has dealt with ways to reduce the energy used by the base stations by turning them off during periods of low load. In addition to this, installing a solar harvesting system made up of solar panels, batteries, charge controllers, and inverters is another way to further reduce the network environmental impact, and some research has been dealing with this for individual base stations. In this paper, we show that both techniques are tightly coupled. We propose a mathematical model that captures the synergy between solar installation over a network and the dynamic operation of energy-managed base stations. We study the interactions between the two methods for networks of hundreds of base stations and show that the order in which each method is introduced into the system does make a difference in terms of cost and performance. We also show that installing solar is not always the best solution even when the unit cost of the solar energy is smaller than the grid cost. We conclude that planning the solar installation and energy management of the base stations has to be done jointly.

Uncontrolled Keywords

Cellular networks, energy management, sleep mode, solar power

Subjects: 2500 Electrical and electronic engineering > 2500 Electrical and electronic engineering
2500 Electrical and electronic engineering > 2501 Power systems
2500 Electrical and electronic engineering > 2506 Electronic circuits and devices
2500 Electrical and electronic engineering > 2516 Energy conversion and distribution
Department: Department of Electrical Engineering
Research Center: GERAD - Research Group in Decision Analysis
Grant number: 121-949
PolyPublie URL: https://publications.polymtl.ca/4837/
Journal Title: IEEE Access (vol. 6)
Publisher: IEEE
DOI: 10.1109/access.2018.2877040
Official URL: https://doi.org/10.1109/access.2018.2877040
Date Deposited: 16 Aug 2021 13:26
Last Modified: 23 May 2023 12:52
Cite in APA 7: D'Amours, M., Girard, A., & Sanso, B. (2018). Planning solar in energy-managed cellular networks. IEEE Access, 6, 65212-65226. https://doi.org/10.1109/access.2018.2877040


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