Recent Submissions

  • Neural network aided computation of mutual information for adaptation of spatial modulation 

    Tato, Anxo; Mosquera Nartallo, Carlos; Henarejos, Pol; Pérez Neira, Ana Isabel (2020-05-01)
    Article
    Open Access
    Index Modulations, in the form of Spatial Modulation or Polarized Modulation, are gaining traction for both satellite and terrestrial next generation communication systems. Adaptive Spatial Modulation based links are needed ...
  • A novel dissemination protocol to deploy opportunistic services in federated satellite systems 

    Ruiz De Azúa Ortega, Juan Adrián; Calveras Augé, Anna M.; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-03)
    Article
    Open Access
    The Earth Observation community is demanding new satellite applications that cover the need of monitoring different areas with high spatial resolution and short revisit times. These applications will generate huge amounts ...
  • 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 ...
  • Economic forecasting with evolved confidence indicators 

    Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (2020-12-01)
    Article
    Restricted access - publisher's policy
    We present a machine-learning method for sentiment indicators construction that allows an automated variable selection procedure. By means of genetic programming, we generate country-specific business and consumer confidence ...
  • Time series features and machine learning forecasts 

    Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (2020-09-16)
    Article
    Restricted access - publisher's policy
    In this study we combine the results of two independent analyses to position Spanish regions according to both the characteristics of the time series of international tourist arrivals and the accuracy of predictions of ...
  • 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-efficiency reconfigurable dual-band class-F power amplifier with harmonic control network using MEMS 

    Gilasgar, Mitra; Barlabe Dalmau, Antoni; Pradell i Cara, Lluís (2020-07-01)
    Article
    Open Access
    This letter presents a novel reconfigurable, high-efficiency class-F power amplifier (PA) structure, using a commercial GaN-HEMT, that achieves dual-band configuration not only at the fundamental frequency but also at the ...

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