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The carrierless amplitude and phase (CAP) modulation is a promising candidate for visible light communication (VLC) because of its high frequency efficiency and low implementation complexity. However, the CAP receiver is highly sensitive to timing errors because of the bad eye diagram performance and requires a complex synchronisation circuit. In this study, the conventional CAP pulse is extended...
The symbol error rate (SER) is investigated for colour-shift keying (CSK) modulation in visible light communication system with red/green/blue LEDs. A new concept of pseudo signal-to-noise ratio is proposed to illustrate the relationship between the signal power and the noise power since the traditional electrical signal-to-noise ratio fails to capture the properties of CSK signals. The authors map...
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