Gb/s Real-Time Visible Light Communication System Based on White LEDs Using T-Bridge Cascaded Pre-Equalization Circuit

Haiqi Zhang; Aiying Yang; Lihui Feng; Peng Guo

doi:10.1109/JPHOT.2018.2812759

Gb/s Real-Time Visible Light Communication System Based on White LEDs Using T-Bridge Cascaded Pre-Equalization Circuit

Haiqi Zhang, Aiying Yang^*, Lihui Feng, Peng Guo

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

45 Citations (Scopus)

Abstract

We demonstrate a Gb/s real-time visible light communication (VLC) system based on NRZ-OOK by a phosphorescent white light-emitting diode (LED). We propose an equalizer employed by an RC series-parallel connection cascade circuit based on the T-bridge structure. With the proposed circuit, the 3-dB bandwidth of the VLC system can be extended from 1 to 520 MHz. The Bit Error Ratio (BER) of the system was 7.36 × 10-4, and the data rate was 1 Gb/s at a distance of 1.5 m. To the best of our knowledge, this is the highest real-time data rate and 3-dB bandwidth achieved based on a white LED.

Original language	English
Article number	7901807
Journal	IEEE Photonics Journal
Volume	10
Issue number	2
DOIs	https://doi.org/10.1109/JPHOT.2018.2812759
Publication status	Published - Apr 2018

Keywords

T-bridge structure
Visible light communication
cascaded pre-equalization circuit

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10.1109/JPHOT.2018.2812759

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Zhang, H., Yang, A., Feng, L., & Guo, P. (2018). Gb/s Real-Time Visible Light Communication System Based on White LEDs Using T-Bridge Cascaded Pre-Equalization Circuit. IEEE Photonics Journal, 10(2), Article 7901807. https://doi.org/10.1109/JPHOT.2018.2812759

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abstract = "We demonstrate a Gb/s real-time visible light communication (VLC) system based on NRZ-OOK by a phosphorescent white light-emitting diode (LED). We propose an equalizer employed by an RC series-parallel connection cascade circuit based on the T-bridge structure. With the proposed circuit, the 3-dB bandwidth of the VLC system can be extended from 1 to 520 MHz. The Bit Error Ratio (BER) of the system was 7.36 × 10-4, and the data rate was 1 Gb/s at a distance of 1.5 m. To the best of our knowledge, this is the highest real-time data rate and 3-dB bandwidth achieved based on a white LED.",

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Gb/s Real-Time Visible Light Communication System Based on White LEDs Using T-Bridge Cascaded Pre-Equalization Circuit

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Keywords

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