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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Vydáno v:	Journal of lightwave technology Ročník 37; číslo 15; s. 3815 - 3825
Hlavní autoři:	Xiang Lin, Dobre, Octavia A., Ngatched, Telex M. N., Cheng Li
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York IEEE 01.08.2019 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	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
On-line přístup:	Získat plný text
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