Stochastic Geometric Models for Green Networking

Eitan Altman, Cengis Hasan, Manjesh K. Hanawal, Shlomo Shamai, Jean-Marie Gorce, Rachid El-Azouzi, Laurent Roullet

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract—In this work, we use a stochastic geometric approach in order to study the impact on energy consumption when base stations are switched off independently of each other. We present here both the uplink and downlink analysis based on the assumption that base stations are distributed according to
an independent stationary Poisson point process. This type of modeling allows us to make use of the property that the spatial distribution of the base stations after thinning (switching-off) is still a Poisson process. This implies that the probability distribution of the SINR can be kept unchanged when switching off
base stations provided that we scale up the transmission power of the remaining base stations. We then solve the problem of optimally selecting the switch-off probabilities so as to minimize the energy consumptions while keeping unchanged the SINR probability distribution. We then study the trade-off in the uplink performance involved in switching-off base stations. These include energy consumption, the coverage and capacity, and the
impact on amount of radiation absorbed by the transmitting user.
Original languageEnglish
Pages (from-to)2465-2474
Number of pages8
JournalIEEE Access
Volume3
DOIs
Publication statusPublished - 24 Nov 2015

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