Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Visible Light Communication Systems for Sensor Networks Using Synchronizing Pulse Transmission Through the Power Lines

전력선 전송 동기신호를 이용한 센서 네트워크용 가시광통신시스템

  • Lee, Seong-Ho (Department of Electronic & IT Media Engineering, Seoul National University of Science and Technology)
  • 이성호 (서울과학기술대학교 전자IT미디어공학과)
  • Received : 2013.04.29
  • Accepted : 2013.05.20
  • Published : 2013.05.31
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Abstract

In this paper, we introduce a new method to reduce the inter-channel crosstalk in visible light communication (VLC) systems using the synchronizing pulses transmitted through the power lines. Synchronizing pulses are simultaneously transmitted to multiple VLC transmitters and receivers through the 220V power line. Each VLC transmitter modulates an LED and each VLC receiver demodulates the signal light in the time slot that is allocated with reference to the synchronizing pulses. This method is very simple and effective to prevent the inter-channel crosstalk in VLC systems for sensor networks because every VLC system can easily get the synchronizing pulses from the nearby power line.

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Acknowledgement

Supported by : 서울과학기술대학교

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