Recent Submissions

  • Dual polarization full-field signal waveform reconstruction using intensity only measurements for coherent communications 

    Chen, Haoshuo; Fontaine, Nicolas K.; Gené Bernaus, Joan M.; Ryf, Roland; Neilson, David T.; Raybon, Gregory (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-01)
    Article
    Open Access
    Conventional optical coherent receivers capture the full electrical field, including amplitude and phase, of a signal waveform by measuring its interference against a stable continuous-wave local oscillator (LO). In optical ...
  • Predictive autonomic transmission for low-cost low-margin metro optical networks 

    Ruiz Ramírez, Marc; Boitier, Fabien; Shariati, Mohammad Behnam; Layec, Patricia; Velasco Esteban, Luis Domingo (2020-10)
    Article
    Restricted access - publisher's policy
    Low-cost low-margin implementation plays an essential role in upgrading optical metro networks required for future 5G ecosystem. In this regard, low-resolution analog-to-digital converters can be used in coherent optical ...
  • Supporting time-sensitive and best-effort traffic on a common metro infrastructure 

    Velasco Esteban, Luis Domingo; Ruiz Ramírez, Marc (2020-08)
    Article
    Open Access
    Considerable research and standardization efforts are being made to support time-sensitive traffic, e.g., generated by applications like Industry 4.0 and 5G fronthaul, on packet networks. This letter focuses on analyzing ...
  • Applying cognitive dynamic learning strategies for margins reduction in operational optical networks 

    Notivol Calleja, Luis David; Spadaro, Salvatore; Perelló Muntan, Jordi; Junyent Giralt, Gabriel (2020-09-01)
    Article
    Restricted access - publisher's policy
    Today's optical transport networks are complex already and the support of the new arising services will further increase such complexity. Traditional deterministic network procedures will need to be revisited, especially ...
  • Real-time optical spectrum monitoring in filterless optical metro networks 

    Shariati, Mohammad Behnam; Ruiz Ramírez, Marc; Fresi, Francesco; Sgambelluri, Andrea; Cugini, Filippo; Velasco Esteban, Luis Domingo (2020-06-17)
    Article
    Restricted access - publisher's policy
    Filterless optical networks (FONs) have been proposed as a feasible solution for optical metro networks. In addition, as a result of the shorter distance compared to core optical networks, direct detection optical transmission ...
  • Modeling EDFA gain ripple and filter penalties with machine learning for accurate QoT estimation 

    Mahajan, Ankush; Christodoulopoulos, Konstantinos; Martínez, Ricardo; Spadaro, Salvatore; Muñoz, Raul (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-01)
    Article
    Open Access
    For reliable and efficient network planning and operation, accurate estimation of Quality of Transmission (QoT) before establishing or reconfiguring the connection is necessary. In optical networks, a design margin is ...
  • SDN-controlled and orchestrated OPSquare DCN enabling automatic network slicing with differentiated QoS provisioning 

    Xue, Xuwei; Wang, Fu; Agraz Bujan, Fernando; Pagès Cruz, Albert; Pan, Bitao; Yan, Fulong; Guo, Xiaojun; Spadaro, Salvatore; Calabretta, Nicola (Institute of Electrical and Electronics Engineers (IEEE), 2020-03-15)
    Article
    Open Access
    Optical switching techniques have the potential to enable the optical data center network (DCN) interconnections providing high capacity and fast switching capabilities, overcoming thus the bandwidth and latency bottleneck ...
  • Cognitive network slice management: The SliceNet approach 

    Spadaro, Salvatore; Nagin, Kenneth (2020-06-10)
    Article
    Open Access
    One of the enablers of 5G and beyond networks is the provisioning of network slices with proper Quality of Experience (QoE) guarantees to meet the requirements of vertical use cases. It poses several challenges to the ...
  • Designing an efficient clustering strategy for combined Fog-to-Cloud scenarios 

    Asensio Garcia, Adrian; Masip Bruin, Xavier; Durán Barroso, Ramón J.; Miguel Jiménez, Ignacio de; Ren, Guang-Jie; Daijavad, Shahrokh; Jukan, Admela (Elsevier, 2020-08-01)
    Article
    Open Access
    The evolution of the Internet of Things (IoT) is imposing many distinct challenges, particularly to guarantee both wide and global systems communication, and to ensure an optimal execution of services. To that end, IoT ...
  • Machine learning-based in-band OSNR estimation from optical spectra 

    Locatelli, Fabiano; Christodoulopoulos, Konstantinos; Svaluto Moreolo, Michela; Fàbrega, Josep Maria; Spadaro, Salvatore (2019-12-15)
    Article
    Open Access
    Measuring the optical signal to noise ratio (OSNR) at certain network points is essential for failure handling, for single connection but also global network optimization. Estimating OSNR is inherently difficult in dense ...
  • Split-enabled 350–630 Gb/s optical interconnect with direct detection NOMA-CAP and 7-core multi-core fiber 

    Sarmiento Hernández, Samael; Delgado Mendinueta, José Manuel; Altabas, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya (2020-05-15)
    Article
    Restricted access - publisher's policy
    The ever-growing data traffic volume inside data centers caused by the popularization of cloud services and edge computing demands scalable and cost-efficient network infrastructures. With this premise, optical interconnects ...
  • Enabling multi-segment 5G service provisioning and maintenance through network slicing 

    Montero Herrera, Rafael; Agraz Bujan, Fernando; Pagès Cruz, Albert; Spadaro, Salvatore (2020-01-03)
    Article
    Restricted access - publisher's policy
    The current deployment of 5G networks in a way to support the highly demanding service types defined for 5G, has brought the need for using new techniques to accommodate legacy networks to such requirements. Network Slicing ...

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