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Energy efficiency improvement through pico base stations for a green field operator

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3 Author(s)
Arshad, M.W. ; R. Inst. of Technol. (KTH), Stockholm, Sweden ; Vastberg, A. ; Edler, T.

Mobile telecommunication operators are now focussing on emerging markets due to the current highly competitive mobile telecommunication sector in established markets. The deployment of wireless mobile infrastructure in these emerging markets or a green field scenario requires an innovative energy efficient approach, which is not feasible in an incumbent operator scenario. This paper describes a combined macro and pico cellular heterogeneous wireless network architecture, and analyses its energy efficiency with respect to variation in inter site distance. The increase in capacity and power saving through sparse network deployment is investigated in terms of area spectral efficiency and area power consumption respectively. The results suggest that the deployment of pico cells along with a traditional cellular network can improve the energy efficiency of the network, as well as provide gains in terms of increased inter site distance. Finally. the indifference curves of Energy Efficiency and number of pico nodes indicate the optimum deployment scheme for multiple area spectral efficiency targets.

Published in:

Wireless Communications and Networking Conference (WCNC), 2012 IEEE

Date of Conference:

1-4 April 2012