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Energy and spectral efficiency of multi-tier LiFi networks

descriptionPublicationkeyboard_double_arrow_right Article , Part of book or chapter of book 01 Mar 2023Publisher:IEEEJournal:2023 IEEE Wireless Communications and Networking Conference (WCNC)Funded by:EC | ENLIGHTEM

Authors: Ozyurt, Ahmet Burak; Bian, Rui; Haas, Harald; Popoola, Wasiu O.;

doi: 10.1109/wcnc55385.2023.10118728 , 10.5281/zenodo.7640415 , 10.5281/zenodo.7640416

Energy and spectral efficiency of multi-tier LiFi networks

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Abstract

In this paper, multi-tier LiFi networks are studied in terms of energy efficiency (EE) and spectral efficiency (SE), which are crucial metrics for LiFi system design. We derived a closed-form expression of the user association probability for different tiers using stochastic geometry based Poisson Voronoi Tessellation (PVT) LiFi network. The performance metrics of the network, EE and SE, are analyzed in terms of different parameters such as transmit power and Lambertian index. Performance evaluations and numerical results show that multi-tier LiFi networks have an optimum transmit power in which EE is maximized. Besides, increasing the transmit power does not increase SE after passing a threshold point. The resulting trade-off between EE and SE is presented.

Related Organizations

University of Strathclyde
United Kingdom
University of Edinburgh
United Kingdom

Keywords

Electric networks

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Energy and Spectral Efficiency of Multi-Tier LiFi Networks
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