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http://dx.doi.org/10.7471/ikeee.2018.22.3.742

Performance Improvement of VLC System using LED Module  

Cho, Hyun-Mook (Div. of Electrical, Electronics and Control Engineering, Kongju National University)
Publication Information
Journal of IKEEE / v.22, no.3, 2018 , pp. 742-746 More about this Journal
Abstract
In this paper, we implemented a VLC(Visible Light Communication) system capable of transmitting/receiving data on a 30MHz clock based on On/Off keying modulation/demodulation. The data rate of the implemented system can be verified by functional verification of VLC channel composed of LED/photodiode driver and VLC transmitting/receiving signal of Tx/Rx platform. But, In the experimental results with the VLC transmitting/receiving for combined module, the maximum transmission rate was measured at 15 MHz. Therefore, we describe the problems that can occur when implement the VLC system using the LED module with output power of 15W or more and propose ways to improve it.
Keywords
VLC; FPGA; LED driver; Photodiode AFE; Modulation/Demodulation;
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