Multi-Service Multiplexing System Based on Visible Light Communication Article Swipe

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Yangyu Zhang ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.3390/s25237207

As the Internet of Things (IoT) and communication technologies continue to evolve, the value of multi-service multiplexing in visible light communication (VLC) systems has been increasingly recognized, particularly in addressing the scarcity of wireless spectrum resources. This study reconstructed the stereo transmission protocol through methods such as dynamic level control, designed a timer interrupt service routine with a double buffer, and reassigned channel status bits in the frame processing function. Consequently, a multi-service multiplexing system based on VLC was designed and implemented. The system enables hybrid transmission of audio signals (1–21.6 kHz) and character data (300–1200 bps) via a single channel, accurately reproducing both voice and text input over a 3.2 m communication range. The system, benefiting from the directional nature of visible light communication, exhibits inherent robustness to multipath-induced interference in dominant line-of-sight (LoS) scenarios and can be easily integrated into existing lighting networks. Featuring a simple architecture and cost-effective design, this solution shows promise for deployment in RF-sensitive areas requiring multi-service communication.

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Type: article
Language: en
Landing Page: https://doi.org/10.3390/s25237207
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OpenAlex ID: https://openalex.org/W4416722473

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DOI: https://doi.org/10.3390/s25237207

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Title: Multi-Service Multiplexing System Based on Visible Light Communication

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Type: article

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Language: en

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Publication year: 2025

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Publication date: 2025-11-26

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Authors: Yangyu Zhang

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Landing page: https://doi.org/10.3390/s25237207

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