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Trends in optical span loss detected using the time series decomposition method

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Yaméogo, Banti Laure M., Charlton, Douglas W., Doucet, David, Desrosiers, Christian, O' Sullivan, Maurice et Tremblay, Christine. 2020. « Trends in optical span loss detected using the time series decomposition method ». Journal of Lightwave Technology, vol. 38, nº 18. pp. 5026-5035.
Compte des citations dans Scopus : 4.

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Résumé

Optical fiber cables deployed in the last 30 years have been considered to be long-lived components due to the generally high level of reliability of glass and the robustness of cable construction. Like all other components however, optical cables can change with age as a result of their construction or deployment characteristics as well as operational and environmental stress factors. In this paper, we apply a time-series decomposition method on span loss data collected during 12 months in four bidirectional spans of a production network in order to detect long-term degradation of the fiber plant. After extracting the trend component, a Mann-Kendall test is applied to the span loss curves and a Sen's slope estimator test is used for determining the magnitude of span loss change. The method al-lows detecting a 1.3 % increase in span loss over the 12-month period of observation in one of the fiber spans. This trend is confirmed using a linear regression model computed according to Theil Sen method applied to additional one-year data. The proposed method can allow the early detection of fiber plant degradation and the proactive planning of fiber replacement.

Type de document: Article publié dans une revue, révisé par les pairs
Professeur:
Professeur
Desrosiers, Christian
Tremblay, Christine
Affiliation: Génie logiciel et des technologies de l'information, Génie électrique
Date de dépôt: 12 juin 2020 19:09
Dernière modification: 12 nov. 2020 20:18
URI: https://espace2.etsmtl.ca/id/eprint/20787

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