Recent Submissions

  • Data-flow driven optimal tasks distribution for global heterogeneous systems 

    García Almiñana, Jordi; Aguiló Gost, Francisco de Asis L.; Asensio Garcia, Adrian; Simó Mezquita, Ester; Zaragoza Monroig, M. Luisa; Masip Bruin, Xavier (Elsevier, 2021-07)
    Article
    Open Access
    As a result of advances in technology and highly demanding users expectations, more and more applications require intensive computing resources and, most importantly, high consumption of data distributed throughout the ...
  • Asymmetrical clipping optical filter bank multi-carrier modulation scheme 

    Ibrahim Mohamed Badr, Asmaa; Prat Gomà, Josep Joan; Ismail, Tawfik (2021-05)
    Article
    Restricted access - publisher's policy
    Filter bank multi-carrier (FBMC) is considered a promising alternative to the Orthogonal Frequency Division Multiplexing (OFDM) scheme. It improves spectral efficiency by eliminating the need for cyclic prefix while ...
  • Quality of transmission estimator retraining for dynamic optimization in optical networks 

    Mahajan, Ankush; Christodoulopoulos, Konstantinos; Martínez Rivera, Ricardo Victor; Muñoz González, Raül; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2021-04-01)
    Article
    Restricted access - publisher's policy
    Optical network optimization involves an algorithm and a physical layer model (PLM) to estimate the quality of transmission of connections while examining candidate optimization operations. In particular, the algorithm ...
  • Spectral processing techniques for efficient monitoring in optical networks 

    Locatelli, Fabiano; Christodoulopoulos, Konstantinos; Svaluto Moreolo, Michela; Fàbrega Sánchez, Josep Maria; Nadal Reixats, Laia; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2021-07-01)
    Article
    Restricted access - publisher's policy
    Having ubiquitous optical monitors in dense wavelength-division multiplexing (DWDM) or flex-grid networks allows the estimation in real time of crucial parameters. Such monitoring would be even more important in disaggregated ...
  • Flexible resource provisioning of polarization independent coherent PONs based on non-orthogonal multiple access and multiCAP modulation 

    Izquierdo Nuñez, David; Sarmiento Hernández, Samael; Barrio Segura, Miguel; Clemente Vicente, Jesús; Millán, Pablo; Lázaro Villa, José Antonio; Garces Gregorio, Juan Ignacio; Altabas Navarro, José Antonio; Puerta, Rafael; Rommel, Simon; Vegas Olmos, Juan J.; Tafur Monroy, Idelfonso (Institute of Electrical and Electronics Engineers (IEEE); Optical Society of America, 2021-07)
    Article
    Restricted access - publisher's policy
    A combined non-orthogonal multiple access (NOMA) and multiband carrierless amplitude and phase modulation (multiCAP) scheme is proposed for flexible resource provisioning in coherent passive optical networks (PONs). While ...
  • Autonomous and energy efficient lightpath operation based on digital subcarrier multiplexing 

    Velasco Esteban, Luis Domingo; Barzegar, Sima; Sequeira, Diogo Gonçalo; Ferrari, Alessio; Costa, Nelson; Curri, Vittorio; Pedro, João; Napoli, Antonio; Ruiz Ramírez, Marc (2021-03-09)
    Article
    Open Access
    The massive deployment of 5G and beyond will require high capacity and low latency connectivity services, so network operators will have either to overprovision capacity in their transport networks or to upgrade the optical ...
  • High capacity converged passive optical network and RoF-based 5G+ fronthaul using 4-PAM and NOMA-CAP signals 

    Sarmiento Hernández, Samael; Delgado Mendinueta, José Manuel; Altabas Navarro, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-15)
    Article
    Open Access
    Network architectural changes to satisfy all the 5G+ mobile network specifications and requirements are necessary due to the popularization of streaming and cloud applications on omnipresent portable devices. The combination ...
  • ZIZO: A Zoom-In Zoom-Out mechanism for minimizing redundancy and saving energy in wireless sensor networks 

    El Sayed, Ahmad Mohammad; Harb, Hassan; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (2021-02-01)
    Article
    Open Access
    In modern life, there is invisible data being continuously generated, data that if collected and processed can detect risks and changes and enable us to mitigate their effect. Thus, there is an essential need to sense ...
  • Optical power budget enhancement in 50-90 Gb/s IM-DD PONs with NOMA-CAP and SOA-Based amplification 

    Delgado Mendinueta, José Manuel; Altabas, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya; Sarmiento Hernández, Samael (2020-05-15)
    Article
    Open Access
    We report experimental results of a semiconductor optical amplifier (SOA) for optical amplification in a 50-90 Gb/s IM-DD optical access system using non-orthogonal multiple access multiplexing combined with multi-band ...
  • On the optimality of concurrent container clusters scheduling over heterogeneous smart environments 

    Asensio Garcia, Adrian; Masip Bruin, Xavier; García Almiñana, Jordi; Sánchez López, Sergio (Elsevier, 2021-05-01)
    Article
    Open Access
    Smart environments rely on the cloud for most computation activities; however, leveraging the availability of resources at the edge could complement the cloud capabilities to provide a resources continuum spectrum that ...
  • Real-time maintenance of latency-sensitive 5G services through network slicing 

    Montero Herrera, Rafael; Agraz Bujan, Fernando; Pagès Cruz, Albert; Spadaro, Salvatore (2020-06-30)
    Article
    Open Access
    Network Slicing appears as one of the enabling technologies for 5G networks to accommodate services with different requirements and availability. The present work, seizes the use of network slicing and focuses on the ...
  • Coherent ultra-dense WDM-PON enabled by complexity-reduced digital transceivers 

    Tabares Giraldo, Jeison; Ghasemi, Saeed; Velásquez Micolta, Juan Camilo; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2020-03-15)
    Article
    Open Access
    Coherent technologies, along with digital signal processing (DSP), have revolutionized optical communication systems, significantly increasing the capacity of the fiber channel owing to transmission of advanced modulation ...

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