Recent Submissions

  • A spatio-temporal prediction methodology based on deep learning and real Wi-Fi measurements 

    Shaabanzadeh, Seyedeh Soheila; Sánchez González, Juan (2024-08)
    Article
    Restricted access - publisher's policy
    The rapid development of Wi-Fi technologies in recent years has caused a significant increase in the traffic usage. Hence, knowledge obtained from Wi-Fi network measurements can be helpful for a more efficient network ...
  • Towards virtualized optical-wireless heterogeneous networks 

    Vujicic, Zoran; Santos Blanco, M. Concepción; Méndez Canú, Rodrigo Otoniel; Klaiqi, Bleron; Rodríguez, Jonathan; Gelabert Doran, Xavier; Rahman, Md Arifur; Gaudino, Roberto (Institute of Electrical and Electronics Engineers (IEEE), 2024-06-20)
    Article
    Open Access
    Towards supporting a myriad of new services and applications under highly heterogeneous operating conditions, while dynamically adapting to capacity and quality-of-service (QoS) demands, the sixth generation (6G) communication ...
  • Modern ionospheric ray tracer for Earth observation satellite missions 

    Molina Ordóñez, Carlos; Fernández Niño, Elena; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2024-07-02)
    Article
    Open Access
    Electromagnetic waves propagation through the ionosphere is subject to several effects including refraction, absorption, signal delay, or Faraday rotation. A ray tracer propagator that simulates these effects is an important ...
  • Asymptotic analysis of near-field coupling in massive MISO and massive SIMO systems 

    Martí Espelt, Aniol; Riba Sagarra, Jaume; Lamarca Orozco, M. Meritxell; Gràcia Sabaté, Francesc Xavier (2024-06-17)
    Article
    Open Access
    This paper studies the receiver to transmitter antenna coupling in near-field communications with massive arrays. Although most works in the literature consider that it is negligible and approximate it by zero, there is ...
  • Quadratic detection in noncoherent massive SIMO systems over correlated channels 

    Vila Insa, Marc; Martí Espelt, Aniol; Riba Sagarra, Jaume; Lamarca Orozco, M. Meritxell (Institute of Electrical and Electronics Engineers (IEEE), 2024-06-14)
    Article
    Open Access
    With the goal of enabling ultrareliable and low-latency wireless communications for industrial internet of things (IIoT), this paper studies the use of energy-based modulations in noncoherent massive single-input multiple-output ...
  • Using convolutional neural networks for blocking prediction in elastic optical networks 

    Nourmohammadi, Farzaneh; Parmar, Chetan; Wings, Elmar; Comellas Colomé, Jaume (Multidisciplinary Digital Publishing Institute, 2024-02-28)
    Article
    Open Access
    This paper presents a study on connection-blocking prediction in Elastic Optical Networks (EONs) using Convolutional Neural Networks (CNNs). In EONs, connections are established and torn down dynamically to fulfill the ...
  • Short asymmetrical inductive dipole antenna for direct matching to high-Q chips 

    Ballesteros Sánchez, Christian; Vega Piña, Sara; Santos Blanco, M. Concepción; Jofre Roca, Lluís (2022-09-07)
    Article
    Open Access
    A planar antenna structure based on a folded asymmetrical dipole is presented, whose geometrical parameters are seen to independently determine either the real or the imaginary parts of the complex radiation impedance. ...
  • Combining graph neural networks and computer vision methods for cell nuclei classification in lung tissue 

    Pérez Cano, Jose; Sansano Valero, Irene; Anglada Rotger, David; Pina Benages, Òscar; Salembier Clairon, Philippe Jean; Marqués Acosta, Fernando (Elsevier Ltd, 2024-04-15)
    Article
    Open Access
    The detection of tumoural cells from whole slide images is an essential task in medical diagnosis and research. In this article, we propose and analyse a novel approach that combines computer vision-based models with graph ...
  • 3D pain face expression recognition using a ML-MIMO radar profiler 

    López Montero, María José; Palacios Arias, César Augusto; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2024-03-29)
    Article
    Open Access
    This study proposes a new method for the detection of facial expressions of pain using a 3D profiler that combines a multiple-input-multiple-output (MIMO) radar system with a machine learning (ML) model (ML-MIMO radar ...
  • A scalable bandwidth and frequency-dependent DPD linearizer for user equipment power amplifiers with nonflat frequency response 

    Li, Wantao; Guo, Yan; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2023-10-24)
    Article
    Open Access
    This article presents a scalable digital predistortion (DPD) linearizer for handset power amplifiers (PAs) with nonflat frequency response and assuming a 5G scenario with dynamic resource blocks (RBs) reallocation. The ...
  • Efficient onboard band selection algorithm for hyperspectral imagery in SmallSat missions with limited downlink capabilities 

    Llaveria Godoy, David; Hyuk, Park; Camps Carmona, Adriano José; Narayan, Ram (Institute of Electrical and Electronics Engineers (IEEE), 2024-04-09)
    Article
    Open Access
    Hyperspectral imaging is a key tool in numerous remote sensing applications. Images with tens or even hundreds of spectral bands contain a wealth of information to retrieve multiple geophysical parameters, to perform target ...
  • Direct connection of uni-traveling-carrier photodiodes to antennas for frequency reconfigurable fiber-radio transmission in the Ka band 

    Vega Piña, Sara; Ballesteros Sánchez, Christian; Caillaud, Christophe; Lanteri, Delphine; Mekhazni, Karim; Santos Blanco, M. Concepción; Pradell i Cara, Lluís; Jofre Roca, Lluís (2024-07-01)
    Article
    Open Access
    A compact photonically-driven wireless emitter based on a Uni-Traveling-Carrier photodiode (UTC-PD) which directly connects to a short asymmetrical inductive dipole (SAID) antenna is presented. The design exploits the ...

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