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Advanced Fault-Monitoring Scheme for Ring-Based Long-Reach Optical Access Networks
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
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2017 (English)In: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 35, no 10, 1876-1886 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a novel fiber fault-monitoring system for long-reach optical access networks based on a transmission-reflection analysis approach. By launching an un-modulated continuous-wave optical signal into the feeder ring and measuring the transmitted and reflected/backscattered optical powers, the proposed monitoring scheme is able to detect, identify, and localize any major fault (covering both reflective and nonreflective events) with a good spatial accuracy (<= 10 m) and a high detection speed (3 s). Both experimental and simulation results have demonstrated that the proposed system provides fiber monitoring functionality better than that obtained by the conventional methods.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2017. Vol. 35, no 10, 1876-1886 p.
Keyword [en]
Fault monitoring, long-reach passive optical network, transmission-reflection analysis
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-207656DOI: 10.1109/JLT.2016.2640277ISI: 000399986700014Scopus ID: 2-s2.0-85018867649OAI: oai:DiVA.org:kth-207656DiVA: diva2:1106200
Note

QC 20170607

Available from: 2017-06-07 Created: 2017-06-07 Last updated: 2017-06-07Bibliographically approved

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Chen, Jiajia
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Optical Network Laboratory (ON Lab)
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