Energy Efficiency Assessment of Wireless Access Networks Utilizing Indoor Base Stations

12
Nov
2013
Posted by: Jenny Minnema   /   0 Comment

Presented at: IEEE PIMRC, London, UK, Sep. 8-11, 2013

Wireless@kth researcher: Sibel Tombaz

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 [1], we investigate the impact of joint macro-and femtocell deployment on energy 2013-11-Sibel-illustration_largerefficiency 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.

[1] S. Tombaz, Z. Zheng, J, Zander, “Energy Efficiency Assessment of Wireless Access Networks Utilizing Indoor Base Stations”,  in Proc. IEEE PIMRC, London, UK, Sep. 8-11, 2013.

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