• Title/Summary/Keyword: Photodiode AFE

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Performance Improvement of VLC System using LED Module (LED 모듈을 이용한 VLC(Visible Light Communication) 시스템의 성능향상 방안)

  • Cho, Hyun-Mook
    • Journal of IKEEE
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    • v.22 no.3
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    • pp.742-746
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    • 2018
  • 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.