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Type: Artigo
Title: Parameter selection in optical networks with variable-code-rate superchannels
Author: Souza, André L. N.
Ruiz, Eduardo J. Mayoral
Reis, Jacklyn D.
Carvalho, Luis H. H.
Oliveira, Juliano R. F.
Arantes, Dalton S.
Costa, Max H. M.
Mello, Darli A. A.
Abstract: Future flexible transceivers will be able to adjust modulation format, number of subcarriers, symbol rate, and forward error correction (FEC) scheme, according to channel and network conditions. This paper uses a combination of theoretical derivations and experimental results to recommend the best set of parameters to satisfy a specific demand to be routed along the network. In particular, for a given required transparent reach and desired net bit rate, and assuming an FEC scheme with a constant gap to capacity, the paper provides a set of modulation format, number of subcarriers, symbol rate, and code rate, which requires minimum bandwidth, while offering a conveniently low bit error rate (in optical systems, typically 10(-15)). We observed that optimum operating points required FEC schemes with overheads ranging from almost 0 to 145%, which is an important guideline for future flexible optical communications systems
Subject: Comunicações óticas
Country: Estados Unidos
Editor: Institute of Electrical and Electronics Engineers : Optical Society of America
Rights: Fechado
Identifier DOI: 10.1364/JOCN.8.00A152
Date Issue: 2016
Appears in Collections:FEEC - Artigos e Outros Documentos

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