Enviaments recents

  • Experimental measurements of radio signal attenuation and Faraday rotation due to electron number density in a plasma flow 

    Felgueiras Luis, Diana Zaida; Fagnani, Andrea; Viladegut Farran, Alan; Helber, Bernd; Camps Carmona, Adriano José; Chazot, Olivier (European Conference for AeroSpace Sciences (EUCASS), 2023)
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    Spacecraft entering a planetary atmosphere are surrounded by a plasma layer containing high levels of ionization. The high electron number densities cause attenuation and rotation of the polarization of the emitted signal, ...
  • Realistic colon phantoms for microwave colonoscopy validation 

    Garrido Atienza, Alejandra; Guardiola Garcia, Marta; Romeu Robert, Jordi; Neira Steinfort, Luz Maria (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    Colon phantoms that replicate a real colon dielectric properties, shape, and texture are required to verify a microwave colonoscopy system. The realism and accuracy of the phantom are quantified in this study using a method ...
  • Frequency modulation aggregation for federated learning 

    Martínez Gost, Marc; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    Federated edge learning (FEEL) is a framework for training models in a distributed fashion using edge devices and a server that coordinates the learning process. In FEEL, edge devices periodically transmit model parameters ...
  • Fengyun-2F/VISSR land surface temperature anomalies between 2014 and 2022 and their potential correlation with earthquakes 

    Boudriki Semlali, Badr Eddine; Molina Ordóñez, Carlos; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2023)
    Comunicació de congrés
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    From 1998 to 2022, Earthquakes have caused more than 850 thousand deaths and US$ 700 billion in economic losses. At this time, there is no reliable precursor to predict them. Many studies have attempted to link Land Surface ...
  • Deployable Fresnel Zone Plate antenna for CubeSats 

    Garcia Morilla, Alejandro; Márquez, A.; Contreras Benito, Luis Juan; Gràcia i Solà, Guillem; Garcín, D.; Blas, R.; Rodríguez Suárez, A.; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    Earth observation satellite missions are becoming increasingly important and have been also boosted by the appearance of small satellites, affordable to small companies and universities. Technology miniaturization and the ...
  • Radio frequency signal propagation through a stagnant flow in a plasma facility for analysis of the communication blackout phenomenon 

    Felgueiras Luis, Diana Zaida; Viladegut Farran, Alan; Chazot Cachard, Olivier; Camps Carmona, Adriano José (2024)
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    During the atmospheric entry phase, the high levels of ionization on the plasma layer around a spacecraft can cause disruption of the communications, leading to a radio blackout phenomenon. This work, as part of the Horizon ...
  • LoRa modulation for split learning 

    Martínez Gost, Marc; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    In this paper we introduce a task-oriented communication design for split learning (SL) over a communication channel. Our approach involves the Expressive Neural Network (ENN), a novel neural network featuring adaptive ...
  • On the application of Q-learning for mobility load balancing in realistic vehicular scenarios 

    Trullenque Ortiz, Martín; Sallent Roig, Oriol; Camps Mur, Daniel; Escrig, Josep; Nasreddine, Jad; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    One of the applications where fifth generation (5G) networks are expected to have a greatest impact is vehicular-to-everything (V2X) communications. The exchange of data among different vehicles on the network will make ...
  • A survey of 5G-based positioning for industry 4.0: state of the art and enhanced techniques 

    Muthineni, Karthik; Artemenko, Alexander; Vidal Manzano, José; Nájar Martón, Montserrat (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    The fifth generation (5G) mobile communication technology integrates communication, positioning, and mapping functionalities as an in-built feature. This has drawn significant attention from industries owing to the capability ...
  • Simple randomized strategies for low-rank matrix compression 

    López Menchón, Héctor; Molina Burgués, Robert; Heldring, Alexander; Úbeda Farré, Eduard; Rius Casals, Juan Manuel (Universidad de Sevilla, 2023)
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    We propose a randomized Pseudo Skeleton (or CUR) approximation method to compress the H-matrices of linear systems that arise in the discretization of integral equations in electromagnetic scattering. This method is ...
  • Improvements in randomized matrix compression methods for numerical analysis of antennas and scatterers 

    López Menchón, Héctor; Heldring, Alexander; Úbeda Farré, Eduard; Rius Casals, Juan Manuel (Luis Landesa-Porras, 2023)
    Comunicació de congrés
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    We propose a randomized Pseudo Skeleton (or CUR) Approximation method to compress the H-matrices of linear systems that arise in the discretization of integral equations in electromagnetic scattering. This method is highly ...
  • A controlled ground-based experiment to assess the capabilities of GNSS-R for marine litter detection in a flume 

    Gonga i Siles, Amadeu; Pérez Portero, Adrián; Camps Carmona, Adriano José; Pascual Biosca, Daniel; de Fockert, Anton; de Maagt, Peter (Institute of Electrical and Electronics Engineers (IEEE), 2023)
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    Detection of marine litter is an urgent task given the large amount of plastics that end up in all water systems. This manuscript provides the description and results obtained from a ground-based Global Navigation Satellite ...

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