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Stochastic Geometric Analysis of Energy-Efficient Dense Cellular Networks

Shojaeifard, A; Wong, K-K; Hamdi, KA; Alsusa, E; So, DKC; Tang, J; (2016) Stochastic Geometric Analysis of Energy-Efficient Dense Cellular Networks. IEEE ACCESS , 5 pp. 455-469. 10.1109/ACCESS.2016.2643441. Green open access

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Abstract

Dense cellular networks (DenseNets) are fast becoming a reality with the large scale deployment of base stations aimed at meeting the explosive data traffic demand. In legacy systems, however, this comes at the cost of higher network interference and energy consumption. In order to support network densification in a sustainable manner, the system behavior should be made “load-proportional” thus allowing certain portions of the network to activate on-demand. In this paper, we develop an analytical framework using tools from stochastic geometry theory for the performance analysis of DenseNets where load-awareness is explicitly embedded in the design. The proposed model leverages on a flexible cellular network architecture where there is a complete separation of the data and signaling communications functionalities. Using this stochastic geometric framework, we identify the most energy-efficient deployment solution for meeting certain minimum service criteria and analyze the corresponding power savings through dynamic sleep modes. According to state-of-the-art system parameters, a homogeneous pico deployment for the data plane with a separate layer of signaling macro-cells is revealed to be the most energy-efficient solution in future dense urban environments.

Type: Article
Title: Stochastic Geometric Analysis of Energy-Efficient Dense Cellular Networks
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/ACCESS.2016.2643441
Publisher version: http://doi.org/10.1109/ACCESS.2016.2643441
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/
Keywords: Cellular networks, Computer architecture, Interference, Load modeling, Stochastic processes, Microprocessors, Analytical models
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1550002
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