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Fast-OFDM transmission with duobinary 3-PSK modulation

Zhu, L; Xu, T; Darwazeh, I; (2019) Fast-OFDM transmission with duobinary 3-PSK modulation. In: Proceedings - 2019 International Conference on Wireless Networks and Mobile Communications, WINCOM 2019. IEEE: Fez, Morocco. Green open access

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Abstract

This paper investigates duobinary signals and their applications in non-orthogonal multi-carrier systems to enhance spectral efficiency. In duobinary transmission schemes, the signal spectrum is reshaped by introducing controlled correlation, which can be eliminated at the duobinary decoder. For the first time, we propose the idea of combining duobinary transmission technique and the fast orthogonal frequency division multiplexing (Fast-OFDM) system with three subcarriers, with experimental results presented. The proposed system is capable of achieving three times the data rate of single-carrier ASK scheme with the same bandwidth. Results show that bit error rate (BER) performance of the proposed duobinary-based Fast-OFDM system is slightly worse than the ASK system. In addition, we also tested various 3-PSK constellation patterns designed for the duobinary signal to achieve performance improvement.

Type: Proceedings paper
Title: Fast-OFDM transmission with duobinary 3-PSK modulation
Event: 2019 International Conference on Wireless Networks and Mobile Communications (WINCOM)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/WINCOM47513.2019.8942502
Publisher version: https://doi.org/10.1109/WINCOM47513.2019.8942502
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: duobinary, 3-PSK modulation, waveform, nonorthogonal, ASK modulation, Fast-OFDM, spectral efficiency.
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/10091696
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