A Simulation Analysis of LEDs’ Spatial Distribution for Indoor Visible Light Communication

A Simulation Analysis of LEDs’ Spatial Distribution for Indoor Visible Light Communication

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 e...

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Bibliographic Details
Published in:Wireless personal communications Vol. 122; no. 2; pp. 1867 - 1890
Main Authors: Khalifeh, Ala’, Alakappan, Karthikeyan, Sathish Kumar, Barath Kumar, Prabakaran, Jayanth Srinivasan, Nagaradjane, Prabagarane
Format: Journal Article
Language:English
Published: New York Springer US 2022
Springer Nature B.V
Subjects:
Algorithms
Bit error rate
Communication
Communications Engineering
Communications systems
Computer Communication Networks
Data transmission
Engineering
Error analysis
Illumination
Light emitting diodes
Lighting
Luminous intensity
Networks
Optical communication
Performance measurement
Ray tracing
Signal,Image and Speech Processing
Spatial distribution
Standardization
Transmission efficiency
Transmitters
Video transmission
ISO lighting requirements
Video transmission
Light engineering
BER
Visible light communication
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Summary: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.
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-021-08972-5