Recent Submissions

  • Linguistic knowledge-based vocabularies for Neural Machine Translation 

    Casas Manzanares, Noé; Ruiz Costa-Jussà, Marta; Rodríguez Fonollosa, José Adrián; Alonso, Juan; Fanlo, Ramon (Cambridge University Press, 2020)
    Article
    Restricted access - publisher's policy
    Neural Networks applied to Machine Translation need a finite vocabulary to express textual information as a sequence of discrete tokens. The currently dominant subword vocabularies exploit statistically-discovered common ...
  • Projection to latent spaces disentangles pathological effects on brain morphology in the asymptomatic phase of Alzheimer's disease 

    Casamitjana Díaz, Adrià; Petrone, Paula; Molinuevo, Jose Luis; Gispert, Juan Domingo; Vilaplana Besler, Verónica (2020-07-28)
    Article
    Open Access
    Alzheimer's disease (AD) continuum is defined as a cascade of several neuropathological processes that can be measured using biomarkers, such as cerebrospinal fluid (CSF) levels of Aß, p-tau, and t-tau. In parallel, brain ...
  • Terahertz frequency-scaled differential imaging for Sub-6 GHz vehicular antenna signature analysis 

    Solano-Sanchez, Jose-Antonio; Martinez-Ingles, Maria-Teresa; Molina García-Pardo, José María; Romeu Robert, Jordi; Jofre Roca, Lluís; Ballesteros Sánchez, Christian; Rodriguez, Jose-Victor; Mateo-Aroca, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-02)
    Article
    Open Access
    The next generation of connected and autonomous vehicles will be equipped with high numbers of antennas operating in a wide frequency range for communications and environment sensing. The study of 3D spatial angular responses ...
  • 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 ...
  • Single-pass soil moisture retrievals using GNSS-R: lessons learned 

    Camps Carmona, Adriano José; Hyuk, Park; Castellví Esturi, Jordi; Corbera, Jordi; Ascaso, Emili (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-01)
    Article
    Open Access
    In this paper, an algorithm to retrieve surface soil moisture from GNSS-R (Global Navigaton Satellite System Reflectometry) observations is presented. Surface roughness and vegetation effects are found to be the most ...
  • Super-resolution of Sensinel-2 imagery using generative adversarial networks 

    Salgueiro Romero, Luis Fernando; Marcello, Javier; Vilaplana Besler, Verónica (Multidisciplinary Digital Publishing Institute (MDPI), 2020-07-28)
    Article
    Open Access
    Sentinel-2 satellites provide multi-spectral optical remote sensing images with four bands at 10 m of spatial resolution. These images, due to the open data distribution policy, are becoming an important resource for several ...
  • Implementation of a testbed for GNSS-R payload performance evaluation 

    Pérez Portero, Adrián; Muñoz Martin, Joan Francesc; Querol, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-28)
    Article
    Open Access
    The functional performance of space-borne instruments must be validated on ground before and after satellite integration. The effects of radio-frequency interference are also becoming more important, even in protected bands ...
  • SMOS third mission reprocessing after 10 years in orbit 

    Oliva Balagué, Roger; Martín Neira, Manuel; Corbella Sanahuja, Ignasi; Closa Soteras, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Richaume, Philippe; Kainulainen, Juha; Barbosa, José; Lopes, Gonçalo; Tenerelli, Joseph; Díez García, Raúl; González Gambau, Verónica; Crapolicchio, Raffaele (Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-01)
    Article
    Open Access
    After more than 10 years in orbit, the SMOS team has started a new reprocessing campaign for the SMOS measurements, which includes the changes in calibration and image reconstruction that have been made to the Level 1 ...
  • 3D-printed UHF-RFID tag for embedded applications 

    Vidal, Neus; Lopez-Villegas, Josep Maria; Romeu Robert, Jordi; Salas Barenys, Arnau; Garcia-Miquel, Aleix; González López, Giselle; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-10)
    Article
    Open Access
    This paper presents the design, manufacture and characterization of a novel 3D passive UHF-RFID tag for embedded applications. The prototype is fabricated using additive manufacturing techniques: 3D printing and copper ...
  • High frequency response of thick REBCO coated conductors in the framework of the FCC study 

    Romanov, Artur; Krkotic, Patrick; Telles, Guilherme; O'Callaghan Castellà, Juan Manuel; Pont, Montse; Pérez, Francis; Granados García, Xavier; Calatroni, Sergio; Puig Molina, Teresa; Gutiérrez Royo, Joffre (Nature, 2020-07-23)
    Article
    Open Access
    A thorough microwave response study of high temperature superconductors, considered as an alternative beam screen coating, has become integral in the design decisions for CERN’s future research infrastructure. Here, we ...
  • Analysis of RAN slicing for cellular V2X and mobile broadband services based on reinforcement learning 

    Albonda, Haider Daami Resin; Pérez Romero, Jordi (European Alliance for Innovation n.o., 2020-03)
    Article
    Open Access
    Radio Access Network (RAN) slicing is one of the key enablers to provide the design flexibility and enable 5G system to support heterogeneous services over a common platform (i.e., by creating a customized slice for each ...
  • 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 ...

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