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A Full-Duplex LED-to-LED Visible Light Communication System

Department of Electronic Engineering, Kyungsung University, Nam-gu, Busan 48434, Korea
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Electronics 2020, 9(10), 1713; https://doi.org/10.3390/electronics9101713
Received: 30 August 2020 / Revised: 9 October 2020 / Accepted: 14 October 2020 / Published: 18 October 2020
(This article belongs to the Special Issue New challenges in Wireless and Free Space Optical Communications)
We experimentally demonstrated full-duplex light-emitting diode (LED)-to-LED visible light communication (VLC) using LEDs as the transmitter and receiver. Firstly, we investigated the performance dependency on the wavelengths of the LED transmitter and receiver by measuring the rise time and signal-to-noise ratio (SNR). Through the investigation, we were able to choose the optimal LED color set for LED-to-LED VLC using Shannon’s channel capacity law. The bit error rate (BER) results of full-duplex and half-duplex LED-to-LED VLC systems with the optimal LED sets are shown to compare the performance. Furthermore, we discuss major distortions and signal losses in the full-duplex LED-to-LED VLC system. View Full-Text
Keywords: visible light communication; LiFi; LED-to-LED; LED as a receiver visible light communication; LiFi; LED-to-LED; LED as a receiver
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Jung, H.; Kim, S.-M. A Full-Duplex LED-to-LED Visible Light Communication System. Electronics 2020, 9, 1713.

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