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Energy Efficiency Assessment of Wireless AccessNetworks Utilizing Indoor Base Stations

By Sibel Tombaz, Zhihao Zheng and Jens Zander

Abstract

Energy efficiency in mobile radio networks has recently gained great interest due to escalating energy cost and environmental concerns. Rapidly growing demand for capacity will require denser and denser networks which further increase the energy consumption. In this regard, the deployment of small cells under macro-cellular umbrella coverage appears a promising solution to cope with the explosive demand in an energy efficient manner. In this paper, we investigate the impact of joint macro-and femtocell deployment on energy efficiency of wireless access networks, based on varying area throughput requirements. We take into account the the co-channel interference, fraction of indoor users, femto base station density and backhaul power consumption. It is shown that utilizing indoor base stations provide significant energy savings compared to traditional macro only network in urban areas with medium and high user demand where the gain increases up to 75 percent as more data traffic is offloaded to femtocells.QC 20131218Energy-efficient wireless networking (eWIN

Topics: Energy Efficiency, Femtocells, Co-channel Deployment, Backhaul, Power Consumption, Communication Systems, Kommunikationssystem
Publisher: 'Institute of Electrical and Electronics Engineers (IEEE)'
Year: 2013
DOI identifier: 10.1109/PIMRC.2013.6666680
OAI identifier: oai:DiVA.org:kth-133930
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