Chvojka, P;
Haigh, PA;
Darwazeh, I;
Ghassemlooy, Z;
Zvanovec, S;
(2019)
Duobinary Modulation for Visible Light Communications.
In:
2019 European Conference on Networks and Communications (EuCNC).
(pp. pp. 52-56).
IEEE: Valencia, Spain.
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Abstract
The paper proposes and experimentally investigates the performance of the duobinary transmission technique for a highly bandlimited VLC system. By adding a controlled amount of inter-symbol interference (ISI) into the transmit pulse shaping filters, the supported data rate can be doubled requiring the same signal bandwidth. To gain full insight into duobinary signalling, the so-called modified binary scheme is also tested. The bit error rate (BER) performance of both systems is measured for a range of data rates, before comparison with the ideal binary and traditional on-off keying non-return to zero (OOK-NRZ) formats across the same physical link. We show the duobinary system can support higher bit rates and lower BER than OOK-NRZ while requiring half the bandwidth of the binary scheme.
| Type: | Proceedings paper |
|---|---|
| Title: | Duobinary Modulation for Visible Light Communications |
| Event: | 2019 European Conference on Networks and Communications (EuCNC) |
| ISBN-13: | 9781728105468 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/EuCNC.2019.8801992 |
| Publisher version: | https://doi.org/10.1109/EuCNC.2019.8801992 |
| 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. |
| 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 |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10081772 |
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