Abstract
Visible light communication (VLC) is a promising technology that can jointly be used to accomplish the typical lighting functionalities of the light emitting diodes (LEDs) and data transmission, where light intensity is modulated with the aid of a high rate data that cannot be noticed by the human eye.qu In this paper, a VLC simulation framework to study the effect of LEDs’ distributions on different room dimensions is proposed by considering the performance metrics such as light intensity quality in accordance with the International Organization for Standardization (ISO) recommendation, and data transmission efficiency measured in terms of bit error rate (BER). To achieve that, a VLC communication system is designed that modulates the data, transmits it over the room utilizing the communication channel that is modeled using an accurate ray-tracing algorithm, and receives it. Our work is different from most of the published works, which studied either the data transmission efficiency or lighting quality but not both. In addition, our study investigates the effect of having different rooms dimensions and different number of transmitters on data transmission quality and light illumination. Consequently, this paper can be used as a methodological study to design an efficient VLC system that satisfies the ISO lighting requirement and the VLC application-specific BER requirements. Furthermore, a video transmission use case has been demonstrated, which shows how video quality can be significantly improved when the number of transmitters is increased. However, considering the ISO lighting requirements, one can put a limit on the number of LEDs that can achieve the required application BER and lighting requirements, thus achieving both objectives efficiently.
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This work has been funded in part by the German Jordanian University seed fund ID SEEIT 02/2018.
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Ala’ F. Khalifeh: Paper idea, writing, simulation coding and setup, Karthikeyan Alakappan: Paper writing, simulation coding and results’ analysis. Barath Kumar: Paper writing, simulation coding and results’ analysis, Jayanth Prabakaran: Paper writing, simulation coding and results’ analysis, Prabagarane Nagaradjane: Paper writing.
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Khalifeh, A., Alakappan, K., Sathish Kumar, B.K. et al. A Simulation Analysis of LEDs’ Spatial Distribution for Indoor Visible Light Communication. Wireless Pers Commun 122, 1867–1890 (2022). https://doi.org/10.1007/s11277-021-08972-5
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DOI: https://doi.org/10.1007/s11277-021-08972-5