Real-Time 262-Mb/s Visible Light Communication With Digital Predistortion Waveform Shaping

Xu, Weishu, Zhang, Min, Han, Dahai, Ghassemlooy, Zabih, Luo, Pengfei and Zhang, Yongjian (2018) Real-Time 262-Mb/s Visible Light Communication With Digital Predistortion Waveform Shaping. IEEE Photonics Journal, 10 (3). pp. 1-10. ISSN 1943-0655

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A digital predistortion waveform shaping scheme combined with a blue filter is proposed to optimize both the rise and fall times of a light-emitting diode (LED) and the optical receiver current of the signal of the real-time visible light communication (VLC) system. The proposed scheme is implemented on a field-programmable gate array (FPGA) and a digital-to-analog converter based test bed, which is flexible and reconfigurable by programming the FPGA to match different LED characteristics and varied data rates. A 262-Mb/s non-return-to-zero on-off keying modulation based real-time VLC link with a bit error rate of less than 1.0×10−6 is achieved over a transmission distance of 5.0 m, which uses a single white phosphorous LED with a limited power of 0.1 W.

Item Type: Article
Uncontrolled Keywords: Digital pre-distortion waveform shaping (DPDWS), real-time visible light communication (VLC), rise and fall times, white phosphorous LED.
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 21 May 2018 08:29
Last Modified: 01 Aug 2021 07:51

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