Experimental demonstration of a cognitive quality of transmission estimator for optical communication systems

Antonio Caballero Jambrina, Juan Carlos Aguado, Robert Borkowski, Silvia Saldaña Cercos, Tamara Jiménez, Ignacio de Miguel, Valeria Arlunno, Ramón J. Durán, Darko Zibar, Jesper Bevensee Jensen, Rubén M. Lorenzo, Evaristo J. Abril, Idelfonso Tafur Monroy

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    Abstract

    The impact of physical layer impairments in optical network design and operation has received significant attention in the last years, thereby requiring estimation techniques to predict the quality of transmission (QoT) of optical connections before being established. In this paper, we report on the experimental demonstration of a case-based reasoning (CBR) technique to predict whether optical channels fulfill QoT requirements, thus supporting impairment-aware networking. The validation of the cognitive QoT estimator is performed in a WDM 80 Gb/s PDM-QPSK testbed, and we demonstrate that even with a very small and not optimized underlying knowledge base, it achieves between 79% and 98.7% successful classifications based on the error vector magnitude (EVM) parameter, and approximately 100% when the classification is based on the optical signal to noise ratio (OSNR).
    Original languageEnglish
    JournalOptics Express
    Volume20
    Issue number26
    Pages (from-to)B64-B70
    ISSN1094-4087
    DOIs
    Publication statusPublished - 2012
    Event38th European Conference and Exhibition on Optical Communication - Amsterdam, Netherlands
    Duration: 16 Sept 201220 Sept 2012
    http://www.ecoc2012.org/

    Conference

    Conference38th European Conference and Exhibition on Optical Communication
    Country/TerritoryNetherlands
    CityAmsterdam
    Period16/09/201220/09/2012
    Internet address

    Bibliographical note

    This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-20-26-B64. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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