Haigh, PA;
Darwazeh, I;
Chvojka, P;
Minotto, A;
Burton, A;
Murto, P;
Wang, E;
... Cacialli, F; + view all
(2019)
Hybrid Super-Nyquist CAP Modulation based VLC with Low Bandwidth Polymer LEDs.
In:
Proceedings of the 2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC).
IEEE
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Abstract
Visible light communication systems often suffer from high frequency attenuation when transmitting out-of-band. This effect has been ameliorated by multi-band modulations such as multi-band carrier-less amplitude and phase (m-CAP), which minimises the effect of decreased high frequency magnitude and maximises signal-to-noise ratio-per-sub-band. On the other hand, in the pass-band region, super-Nyquist CAP (SCAP) can offer throughput improvements with no additional complexity at the receiver, at the cost of bit error rate. We propose, for the first time, a new hybrid SCAP modulation format that takes advantageous of both SCAP (i.e. overlapped sub-bands within the modulation bandwidth) and conventional m-CAP (orthogonally spaced bands outside the modulation bandwidth) while maintaining isolation between noise sources. We show higher baud rates within the passband region whilst supporting out-of-band transmission at lower error vector magnitudes.
| Type: | Proceedings paper |
|---|---|
| Title: | Hybrid Super-Nyquist CAP Modulation based VLC with Low Bandwidth Polymer LEDs |
| Event: | 2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) |
| Location: | Istanbul, Turkey |
| Dates: | 8th-11th September 2019 |
| ISBN-13: | 978-1-5386-8110-7 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/PIMRC.2019.8904212 |
| Publisher version: | https://doi.org/10.1109/PIMRC.2019.8904212 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Carrier-less amplitude and phase modulation, digital signal processing, modulation, visible light communications |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10089080 |
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