Chvojka, Petr, Haigh, Paul Anthony, Darwazeh, Izzat, Ghassemlooy, Zabih and Zvanovec, Stanislav (2019) Duobinary Modulation for Visible Light Communications. In: 2019 European Conference on Networks and Communications (EuCNC): 18-21 June 2019, Valencia, Spain. IEEE, Piscataway, NJ, pp. 52-56. ISBN 9781728105475, 9781728105468, 9781728105451
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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 transmitted signals through the use of pulse shaping filters, data rate can be doubled within the same signal bandwidth. To gain full insight into duobinary signalling, the so-called modified binary scheme is also tested. Bit error rate (BER) performance of both systems is measured for a range of data rates and compared to BERs for 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.
| Item Type: | Book Section |
|---|---|
| Uncontrolled Keywords: | Correlative coding, duobinary modulation, on-off keying, visible light communications |
| Subjects: | F200 Materials Science F300 Physics H600 Electronic and Electrical Engineering |
| Department: | Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering |
| Depositing User: | Elena Carlaw |
| Date Deposited: | 19 Aug 2019 10:23 |
| Last Modified: | 31 Jul 2021 20:35 |
| URI: | http://nrl.northumbria.ac.uk/id/eprint/40394 |
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