Design of Power Line Modem for PLC Integrated with VLC

Year 2019, Volume: 2 Issue: 4, 102 - 110, 30.12.2019

Sherzada Khan Muhammad Sohail Muzamil Bokhari

Abstract

Power line communication (PLC) make use of
existing power line infrastructure to transmit data over power lines with
simultaneous transmission of electrical energy, a power line modem serves the
purpose by modulating data through some suitable modulation scheme and then
coupling it with power line. Power lines modem make use of existing power line
for high frequency, low voltage data communication faces some serious problems
like signal distortion, multipath fading, reflection and return loss and noise
to communication signal. We designed a power line modem for 220V 50 Hz power
line, which employ ASK modulation. Digital data of 9Kbps was modulated through
carrier of 1 MHz and sent through power line and subsequently transmitted
through VLC. 

Keywords

Power line modem, visible light communication, coupling decoupling circuit, Hartley oscillator, ASK modulation

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