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|Title:||Parameter Selection In Optical Networks With Variable-code-rate Superchannels|
Andre L. N.; Mayoral Ruiz
Eduardo J.; 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.|
|Editor:||Optical Soc Amer|
|Citation:||Journal Of Optical Communications And Networking. Optical Soc Amer, v. 8, p. A152 - A161, 2016.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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