Envíos recientes

  • Fabricación aditiva de atenuadores variables de veleta rotatoria en guía de onda 

    Márquez-Segura, Enrique; Otter, William J.; Lucyszyn, Stepan; Ridler, Nick (2019-10-14)
    Rotary Vane Attenuator is considered an industry standard in precision waveguide attenuators. These attenuators exhibit high accuracy, repeatability and reliability. In this paper, the design and fabrication of a rotary ...
  • Método de Análisis Temporal para Root Cause Analysis en Redes Móviles 

    Luo Chen, Hao Qiang; Jatib Khatib, Emil; Suárez Peña, José Ramón; Barco-Moreno, Raquel (2019-10-08)
    Troubleshooting encompasses a variety of processes required for the solution of mobile network degradations. These netwoks usually operate correctly, thanks to automatized processes of configuration and optimization, but ...
  • Statistical Channel Impulse Response Modeling for Optical Wireless Communication in Turbid Waters 

    Boluda-Ruiz, Rubén; Rico-Pinazo, Pedro; Castillo-Vazquez, Beatriz; García-Zambrana, Antonio; Qaraqe, Khalid (URSI'19 (Sevilla, septiembre, 2019), 2019)
    Underwater optical wireless communication (UOWC) systems support high-speed, reliable and cost-effective implementations that are demanded for extending the telecommunication networks to oceans. UOWC systems suffer from ...
  • Doppler Spectrum Analysis in Three-Dimensional 5G Millimeter-Wave Channel Models 

    Cerezo-Barranco, Antonio; Ruiz-Vega, Fernando Jesus; Aguayo-Torres, Maria del Carmen (2019-09-20)
    This article is contextualized in the mobile communications systems where there are multiple factors to consider: mobility, frequency, obstacles, reflectors, etc. In this paper, is presented an evaluation of the Doppler ...
  • Procesado masivo y automático de trazas en redes celulares 

    Anaya-López, G. J.; Guerra-Melgares, Noelia; Cárdenas-Angelat, Carlos; Aguayo-Torres, Maria del Carmen; Baños-Polglase, Juana Daphne (2019-09-20)
    The introduction of new services in mobile communications usually requires extensive evaluation campaigns. Even though new services and devices may have undergone conformance testing, it is important to ensure they do ...
  • Ranura de Banda Ancha en Doble T Sobre Cavidad para Arrays Alimentados en Serie 

    Hernández Escobar, Alberto; Abdo-Sánchez, Elena; Camacho-Peñalosa, Carlos; H (2019-09-16)
    A previous radiating element for series-fed arrays proposed by the authors and based on a Cavity-Backed Slot (CBS) is modified to improve its bandwidth. In order to do that, the slot is modified to reduce its resonance ...
  • Statistical Characterization of the Chunk Size Distribution in DASH 

    Vaca-Rubio, Cristian J.; Gómez, Gerardo; Aguayo-Torres, Maria del Carmen; López Martínez, Francisco Javier (2019-09-13)
    We present a statistical characterization of the segment size distribution of video streaming services based on dynamic adaptive streaming over HTTP (DASH). We first obtain the empirical distributions from traffic captures ...
  • Mejora de la calidad de experiencia en redes LTE multi-portadora 

    Gijón, Carolina; Marí-Altozano, María Luisa; Luna-Ramírez, Salvador; Toril-Genoves, Matias (2019-09-12)
    In multi-tier cellular networks, effective handover schemes are required to assign users to the most adequate layer. In this paper, a data-driven strategy for traffic steering is proposed to improve the overall Quality of ...
  • Comparación de servicios de video streaming de YouTube 

    Jiménez, Luis Roberto; Solera-Delgado, Marta; Toril-Genoves, Matias (2019-09-12)
    YouTube is one of the most popular services on the Internet, enabling easy streaming of a video (conventional or live) with acceptable video quality. In March 2015, YouTube added 360o video streaming service which provides ...
  • Extracción de modelos casi-estáticos para dispositivos no-lineales a partir de medidas en el dominio de la frecuencia 

    Pérez Parras, Sergio; Martín-Guerrero, Teresa M.; Baños Polglase, Juana Daphne; Camacho-Peñalosa, Carlos (2019-09-11)
    In this contribution an extraction method already proposed by authors and suitable for FET-type devices that could be represented by a quasi-static model is illustrated. For the first time, the method is applied to a FET ...
  • Throughput-based quality adaptation for DASH in 5G mobile networks 

    Gomez-Paredes, Gerardo; Aguayo-Torres, Maria del Carmen; Entrambasaguas-Muñoz, José Tomás; Aguilar-Armijo, Jesús; Vaca-Rubio, Cristian J. (2019-09-10)
    Video streaming in mobile networks is currently the most widely used service and its usage is expected to grow exponentially in the next years. Due to the changing conditions of the radio interface, techniques likes Dynamic ...
  • Gestión emocional y del estrés a través del mindfulness para el alumnado de la UMA 

    Aranda-Garrido, Maria Carmen; Gómez, Gerardo; Delgado-Rios, Miriam; Moniche-Bermejo, Laura Maria (2019-09-10)
    En este trabajo se presentan los resultados de la aplicación de un programa basado en mindfulness para la gestión emocional y del estrés de los alumnos de la Universidad de Málaga (UMA). El programa consta de 8 sesiones ...
  • Diseño de filtros ópticos integrados con respuesta espectral arbitraria en tecnología de silicio sobre aislante 

    Pereira-Martín, Daniel; Wangüemert-Pérez, J. Gonzalo; Molina-Fernández, Íñigo; Cheben, Pavel; Schmid, Jens H.; [et al.] (2019-09-10)
    Silicon photonics is one of the most promising technologies nowadays, with myriads of potential applications in communications and sensing. Many of these applications require spectral filters synthesizing arbitrary frequency ...
  • Long-term calibration analysis of scientific echosounders used in research vessels 

    Córdoba Sellés, Pilar; Iglesias Marroig, Magdalena; Ventero Martín, Ana; Nava-Baro, Enrique (2019-07-31)
    The use of scientific multifrequency echosounders like SIMRAD EK60 in resource-assessment surveys of small pelagic fish like sardine or anchovy, has been employed by the Spanish Institute of Oceanography (IEO) for more ...
  • ¡Las máquinas nos quitan el trabajo! Una introducción a la inteligencia artificial y al deep learning 

    Martínez Murcia, Francisco Jesús (2019-07-30)
    Cada vez aparecen más soluciones tecnológicas que hacen a las máquinas más inteligentes, por lo que el miedo a que nos quiten el trabajo aflora con frecuencia. En esta charla explicaremos como funcionan algunos sistemas ...
  • Throughput-based quality adaptation for DASH in 5G mobile networks 

    Aguilar-Armijo, Jesús; Vaca-Rubio, Cristian J.; Gomez-Paredes, Gerardo; Aguayo-Torres, Maria del Carmen; Entrambasaguas-Muñoz, José Tomás (2019-07-24)
    Video streaming in mobile networks is currently the most widely used service and its usage is expected to grow exponentially in the next years. Due to the changing conditions of the radio interface, techniques likes Dynamic ...
  • Suspended silicon integrated platform for the long-wavelength mid-infrared band 

    Sanchez-Postigo, Alejandro; Wangüemert-Pérez, J. Gonzalo; Soler-Penadés, Jordi; Ortega-Moñux, Alejandro; Nedeljkovic, Milos; [et al.] (2019-07-18)
    The atmospheric-transmission window and the fingerprint region of many substances overlaps with the long-wave infrared band. This has enabled the emergence of a new path for photonic integrated circuits, which could exploit ...
  • On the use of bianisotropic huygens' metasurfaces to build leaky-wave antennas 

    Abdo-Sánchez, Elena; Chen, M.; Epstein, A.; Eleftheriades, G. V. (2019-07-16)
    Huygens' metasurfaces are considered a powerful tool to achieve anomalous electromagnetic field transformations. They consist of an artifcial surface built of pairs of collocated electric and magetic dipoles that force ...
  • Enhanced sensitivity subwavelength grating waveguides for silicon photonics sensing applications 

    Wanguemert Perez, J. Gonzalo; Hadij-El-Houati, Abdelfettah; Sanchez-Postigo, Alejandro; Leuermann, Jonas; Pereira-Martín, Daniel; [et al.] (2019-07-16)
    In this work we will review the enormous potential of subwavelength grating waveguides for sensing applications in the near and mid-infrared bands, demonstrating the capability to engineer the mode profile to maximize the ...
  • Additive manufacturing of rectangular waveguide devices for teaching microwave laboratory 

    Márquez-Segura, Enrique (2019-07-16)
    In this paper the outline of using of low-cost additive manufacturing FDM/FFF technology to build waveguide devices is presented. The focus is set in a full design from specifications to final measurements in a microwave ...

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