Evaluation of an Indoor Visible Light Communication System with Various LED Configurations and Photodetector Options

The article details the methodology of a proposed Visible Light Communication (VLC) system, focusing on its experimental setup, system design, and evaluation of transmitter and receiver configurations. The experimental setup aims for coverage analysis and performance optimization by assessing the field of view under varying conditions and optimizing for factors like LED array size and receiver type. A modular architecture is employed, utilizing an Arduino Uno for data encoding and transmission via On-Off Keying (OOK) modulation. Transmitter configurations include a single LED and two LED arrays (2×2 and 4×4), enhancing light output and coverage. The receiver configurations comprise three types: Light-Dependent Resistor (LDR), solar cell, and BPW34 photodiode, each evaluated for their sensitivity and speed in detecting modulated light signals. Additional statistical analyses of data rates and transmission distances were conducted to ensure reliable measurements and assess variability across different trials. This comprehensive investigation seeks to identify optimal configurations for effective VLC applications.

Evaluation of an Indoor Visible Light Communication System with Various LED Configurations and Photodetector Options

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