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Comparison of the nonlinear transmission performance of quasi-Nyquist WDM and reduced guard interval OFDM.

Kilmurray, S; Fehenberger, T; Bayvel, P; Killey, RI; (2012) Comparison of the nonlinear transmission performance of quasi-Nyquist WDM and reduced guard interval OFDM. Opt Express , 20 (4) pp. 4198-4205. Gold open access

Abstract

The nonlinear transmission performance of quasi-Nyquist wavelength-division multiplexing (qN-WDM) and reduced guard interval orthogonal frequency-division multiplexing (RGI-OFDM) using polarization-division multiplexing quadrature phase-shift-keying (PDM-QPSK) and quadrature amplitude modulation (PDM-QAM-8 and PDM-QAM-16) with high information spectral densities have been compared for the first time, both by simulations and analytically. The results show that both systems are able to reach similar maximum transmission distances of approximately 6700km, 2600km and 1100km over standard single-mode fibre for the spectral efficiencies of 3.43 bits/s/Hz, 5.25 bits/s/Hz and 7 bits/s/Hz respectively.

Type: Article
Title: Comparison of the nonlinear transmission performance of quasi-Nyquist WDM and reduced guard interval OFDM.
Location: United States
Open access status: An open access publication
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science
UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering
URI: http://discovery.ucl.ac.uk/id/eprint/1348052
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