Recent Submissions

  • Harnessing wavefront curvature and spatial correlation in noncoherent MIMO communications 

    Martí Espelt, Aniol; Sanguinetti, Luca; Lamarca Orozco, M. Meritxell; Riba Sagarra, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2025)
    Article
    Open Access
    Noncoherent communication systems have regained interest due to the growing demand for high-mobility and low-latency applications. Most existing studies using large antenna arrays rely on the far-field approximation, which ...
  • Aerosol forcing from ground-based synergies over a decade in Barcelona, Spain 

    Oliveira, Daniel Camilo Fortunato dos Santos; Sicard, Michaël; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Gil Díaz, Cristina; Dubovik, Oleg; Derimian, Yevgeny; Momoi, Masahiro; Lopatin, Anton (Multidisciplinary Digital Publishing Institute (MDPI), 2025-04-17)
    Article
    Open Access
    This research aims to estimate long-term aerosol radiative effects by combining radiation and Aerosol Optical Depth (AOD) observations in Barcelona, Spain. Aerosol Radiative Forcing and Aerosol Forcing Efficiency (ARF and ...
  • Deep learning-based UWB-IMU data fusion for indoor positioning in industrial scenario 

    Muthineni, Karthik; Artemenko, Alexander; Vidal Manzano, José; Nájar Martón, Montserrat; Catalán Cid, Marisa; Paradells Aspas, Josep (2025-05-05)
    Article
    Open Access
    Accurate and precise wireless infrastructure-based positioning systems become crucial as industries move towards flexible, portable, and autonomous transportation systems such as Automated Guided Vehicles (AGVs). ...
  • A novel geometry agnostic delay and Doppler tracking technique for GNSS-reflectometry: application to the GNOS-II payload onboard the FY-3E 

    Wang, Changyang; Camps Carmona, Adriano José; Hu, Xiuqing; Hyuk, Park; Yu, Kegen; Lu, Wenqiang; Zhai, Xiaochun; Huang, Feixiong; Liao, Mi; Zhang, Peng; Zheng, Nanshan; Zhang, Kefei; Ma, Zhongmin (Institute of Electrical and Electronics Engineers (IEEE), 2025-03-03)
    Article
    Open Access
    Global Navigation Satellite System-Reflectometry (GNSS-R) uses GNSS signals as signals of opportunity as a multistatic radar. Most GNSS-R instruments conduct 1 ms coherent integration, followed by 500 or 1000 incoherent ...
  • Study of optical scattering properties and direct radiative effects of high-altitude cirrus clouds in Barcelona, Spain, with 4 years of lidar measurements 

    Gil Díaz, Cristina; Sicard, Michaël; Sourdeval, Odran; Saiprakash, Athulya; Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Oliveira, Daniel Camilo Fortunato dos Santos (European Geosciences Union (EGU), 2025-03-24)
    Article
    Open Access
    Cloud–radiation interaction still drives large uncertainties in climate models, and its estimation is key to make more accurate predictions. In this context, high-altitude cirrus clouds play a fundamental role because (1) ...
  • Joint class and domain continual learning for decentralized federated processes 

    Lanza, Chiara; Tuytelaars, Tinne; Miozzo, Marco; Angelats Company, Eduard; Dini, Paolo (Institute of Electrical and Electronics Engineers (IEEE), 2025-03-28)
    Article
    Open Access
    Continual learning (CL) is attracting attention to learn in dynamic and non-stationary environments, typical of many real applications, such as those related to Internet of things (IoT). So far, learning in IoT scenarios ...
  • Accelerated algorithm for back-projection fully focused SAR altimetry 

    Hernández Burgos, Sergi; Gibert Gutiérrez, Ferran; Broquetas Ibars, Antoni; Villalvilla Ornat, Pol; Egido, Alejandro; Moyano, Gorka; Flores De la Cruz, Adrián; Fornari, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2025-03-31)
    Article
    Open Access
    Fully focused synthetic aperture radar (SAR) back-projection algorithms for radar altimetry have gained attention in the altimetry community due to their improved azimuth resolution compared to traditional methods, such ...
  • Global correlation of Swarm satellites magnetic field and TEC data with M4+ earthquakes between 2014 and 2024 

    Boudriki Semlali, Badr Eddine; Molina Ordóñez, Carlos; Hyuk, Park; Camps Carmona, Adriano José (2025-03)
    Article
    Open Access
    Between 50 and 80 earthquakes are recorded daily, resulting in over 20,000 yearly seismic events. Currently, no reliable earthquake precursors can provide an early warning. Still, research has inspected anomalies in the ...
  • Analog radio-over-fiber transmitter with optical frequency upconversion and optimized optical carrier-to-signal ratio 

    Vega Piña, Sara; Méndez Canú, Rodrigo Otoniel; Santos Blanco, M. Concepción (2025-01-01)
    Article
    Restricted access - publisher's policy
    The performance of an analog radio-over-fiber (A-RoF) transmitter with optical frequency conversion (OFC) is evaluated analytically and experimentally. It employs two push-pull Mach-Zehnder modulators (PP-MZM): one for ...
  • A Cartesian encoding graph neural network for crystal structure property prediction: application to thermal ellipsoid estimation 

    Solé, Àlex; Mosella Montoro, Albert; Cardona Olives, Joan; Gómez Coca, Silvia; Aravena Ponce, Daniel; Ruiz Sabin, Eliseo; Ruiz Hidalgo, Javier (2025)
    Article
    Open Access
    In the diffraction resolution of crystal structures, thermal ellipsoids are a critical parameter that is usually more difficult to determine than atomic positions. These ellipsoids are quantified through Anisotropic ...
  • Singular detection in noncoherent communications 

    Vila Insa, Marc; Riba Sagarra, Jaume (2025-04)
    Article
    Open Access
    This paper proposes a general analysis of codeword detection in noncoherent communications. Motivated by the existence of error floors in various regimes, fundamental characteristics of signal design are investigated. In ...
  • Conditional dependence via U-Statistics pruning 

    Cabrera Estanyol, Ferran de; Vila Insa, Marc; Riba Sagarra, Jaume (2025-02-06)
    Article
    Open Access
    The problem of measuring conditional dependence between two random phenomena arises when a third one (a confounder) has a potential influence on the amount of information between them. A typical issue in this challenging ...

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