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1 Alcatel Lucent Bell Labs 2 Chaire Radio Flexible - Chaire Radio Flexible Alcatel-Lucent-Supélec

Abstract : —In this paper, we study the problem of minimizing the area power consumption in wireless cellular networks. We focus on the downlink of a single-tier network, in which the locations of base stations BSs are distributed according to a homogeneous Poisson point process PPP. Assuming that a mobile user is connected to its strongest candidate BS, we derive bounds on the optimal transmit power in order to guarantee a certain minimum coverage and data rate. Under the same quality of service constraints, we find the optimal network density that minimizes the area power density. Our results show that the existence of an optimal BS density for minimizing the power consumption depends on the value of the pathloss exponent.

Keywords : Index Terms—Cellular networks green wireless communica-tion Poisson point process area power density energy efficiency optimal base station density

Autor: Bhanukiran Perabathini - Marios Kountouris - Mérouane Debbah - Alberto Conte -

Fuente: https://hal.archives-ouvertes.fr/


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