Energy consumption reduction in cellular mobile systems using self-organizing/adaptive cell power tuning

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Dr. Vidács Attila
Department of Telecommunications and Media Informatics

Telecommunication networks, specifically mobile communication is taking a larger and larger part in global energy consumption. The goal is to reduce the energy consumption of future cell based radio networks (LTE, LTE Advanced) - thus also reducing the carbon dioxide production of the sector - while maintaining the networks capability to service the rapidly growing consumer expectations.

Most of the energy consumption of cell based mobile networks comes from the access networks, specifically the base station. A promising solution to reduce energy consumption may be the adaptive and synchronized configuration of the base stations transmitting power.

For this purpose I determined which parameters to examine when deciding whether a cell's transmitting power can be lowered while still maintaining the user's satisfaction at an adequate level. I implemented several solutions in a simulated environment, where I tested their functionality. Based on the results, I was able to determine that they satisfy the requirements. All implementations were designed to operate in a self-organizing network, without central control.


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