A Non-Data-Aided OSNR Estimation Algorithm for Coherent Optical Fiber Communication Systems Employing Multilevel Constellations

The performance of existing moments-based non-data-aided (NDA) optical signal-to-noise ratio (OSNR) estimation approaches degrades greatly for coherent optical systems employing multilevel constellations. We propose a novel NDA OSNR estimation algorithm, which provides enhanced performance for such...

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Bibliographic Details
Published in:	Journal of lightwave technology Vol. 37; no. 15; pp. 3815 - 3825
Main Authors:	Xiang Lin, Dobre, Octavia A., Ngatched, Telex M. N., Cheng Li
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.08.2019 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Adaptive optics Algorithms Amplitudes Communications systems Computer simulation Constellations Cramer-Rao bounds Cumulative distribution function Distribution functions Empirical analysis Estimation Feasibility studies High-speed optical techniques Lower bounds Multilevel multilevel constellations Optical communication optical fiber communication Optical fibers Optical noise optical performance monitoring Optical receivers optical signal-to-noise ratio Performance enhancement Quadrature amplitude modulation Signal to noise ratio Wavelength division multiplexing
ISSN:	0733-8724, 1558-2213
Online Access:	Get full text
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