Recent Submissions

  • Learning life cycle to speed up autonomic optical transmission and networking adoption 

    Velasco Esteban, Luis Domingo; Shariati, Mohammad Behnam; Boitier, Fabien; Layec, Patricia; Ruiz Ramírez, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2019-04-05)
    Article
    Open Access
    Autonomic optical transmission and networking requires machine learning (ML) models to be trained with large datasets. However, the availability of enough real data to produce accurate ML models is rarely ensured since new ...
  • Experimental demonstration of machine-learning-aided QoT estimation in multi-domain elastic optical networks with alien wavelengths 

    Proietti, Roberto; Chen, Xiaoliang; Zhang, Kaiqi; Liu, Gengchen; Shamsabardeh, Mohammadsadegh; Castro, Alberto; Velasco Esteban, Luis Domingo; Zhu, Zuqing; Yoo, S.J. Ben (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Article
    Restricted access - publisher's policy
    In multi-domain elastic optical networks with alien wavelengths, each domain needs to consider intradomain and interdomain alien traffic to estimate and guarantee the required quality of transmission (QoT) for each lightpath ...
  • Scientific, artistic and documentary investigation of a Picassian anonymous oil painting 

    Chillón Domínguez, Mª Concepción; Ruiz Moreno, Sergio; Ramos de Torres, Antonio (2017)
    Article
    Restricted access - publisher's policy
    An anonymousoilpainting(The Comedians)with several and relevant Picassian features has been investigated in a global manner includingIRreflectometric analysis, non destructive pigment analysis with Raman ...
  • A control and management architecture supporting autonomic NFV services 

    Velasco Esteban, Luis Domingo; Casellas Regi, Ramón; Llana, Sergio; Gifré Renom, Lluís; Martínez Rivera, Ricardo Victor; Vilata, Ricard; Muñoz González, Raul; Ruiz, Marc (2019-02)
    Article
    Restricted access - publisher's policy
    The proposed control, orchestration and management (COM) architecture is presented from a high-level point of view; it enables the dynamic provisioning of services such as network data connectivity or generic network slicing ...
  • Learning from the optical spectrum: failure detection and identification [Invited] 

    Behnam Shariati, Mohammad; Ruiz Ramírez, Marc; Comellas Colomé, Jaume; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018-07-23)
    Article
    Open Access
    The availability of coarse-resolution cost-effective Optical Spectrum Analyzers (OSA) allows its widespread deployment in operators’ networks. In this paper, we explore several machine learning approaches for soft-failure ...
  • Machine learning for network automation: Overview, architecture, and applications [invited tutorial] 

    Rafique, Danish; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Article
    Open Access
    Networks are complex interacting systems involving cloud operations, core and metro transport, and mobile connectivity all the way to video streaming and similar user applications. With localized and highly engineered ...
  • Real-time 10Gbps polarization independent quasicoherent receiver for NG-PON2 access networks 

    Altabas, Jose Antonio; Silva Valdecasa, Guillermo; Suhr, Lau F.; Lázaro Villa, José Antonio; Garces, Ignacio; Tafur Monroy, Idelfonso; Jensen, J.B. (Institute of Electrical and Electronics Engineers (IEEE), 2018-11-09)
    Article
    Open Access
    In this paper, we propose and test experimentally a real-time 10 Gbps polarization independent quasicoherent receiver for NG-PON2 access networks. The proposed 10 Gbps quasicoherent receiver exhibits a sensitivity of -35.2 ...
  • SDN-based parallel link discovery in optical transport networks 

    Montero Herrera, Rafael; Agraz Bujan, Fernando; Pagès Cruz, Albert; Perelló Muntan, Jordi; Spadaro, Salvatore (Wiley-Blackwell, 2018-01-01)
    Article
    Open Access
    The use of optical technologies in modern network scenarios has increased in the last decade, mostly due to their support in crucial networking topics (ie, bandwidth and scalability). In parallel, these scenarios have also ...
  • Simplified carrier recovery for intradyne optical PSK receivers in udWDM-PON 

    Tabares Giraldo, Jeison; Ghasemi, Saeed; Polo Querol, Víctor; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2018-04-28)
    Article
    Open Access
    We present an optimized carrier recovery architecture based on differential detection for coherent optical receivers that substantially reduces the required DSP hardware resources, aimed at cost-effective transceivers for ...
  • CURSA-SQ: a methodology for service-centric traffic flow analysis 

    Ruiz Ramírez, Marc; Coltraro Ianniello, Franco; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018-09-01)
    Article
    Open Access
    The rapid availability of new services means that network operators cannot exhaustively test their impact on the network or anticipate any capacity exhaustion. This situation will be worse with the imminent introduction ...
  • Cost-effective ROADM design to maximize the traffic load capacity of u-DWDM coherent metro-access networks 

    Spadaro, Salvatore; Sarmiento Hernández, Samael; Lázaro Villa, José Antonio (2018-11-01)
    Article
    Restricted access - publisher's policy
    The current constant growing in traffic demands caused by the popularization of cloud services, mobile and social networks is requiring architectural changes at the underlying networks so as to provide a more highly dynamic ...
  • A fully SDN enabled all-optical architecture for data centre virtualisation with time and space multiplexing 

    Kondepu, K; Jackson, Chirs; Ou, Y; Pagès Cruz, Albert; Agraz Bujan, Fernando; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2018-07-01)
    Article
    Open Access
    Virtual Data Centre (VDC) solutions provide an environment that is able to quickly scale-up and where virtual machines and network resources can be quickly added on-demand through self-service procedures. VDC providers ...

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