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In this paper, a power consumption model as a function of the traffic is developed for macro cell base stations based on measurements on an actual base station. This model allows developing energy efficient wireless access networks by combining the Green Radio Access Network Design (GRAND) tool designed by the authors, which develops an always on network with minimal power consumption for a predefined area and an algorithm that introduces power reducing techniques in the network such as sleep modes and celling zooming. Green field deployments and optimization of existing networks are investigated.
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