Mostrando ítems 1-20 de 286

    • A data-driven scheduler model for QoE assessment in a LTE radio network planning tool 

      Sánchez Ordoñez, Pablo; Luna-Ramírez, Salvador; Gijón Martín, Carolina; Toril-Genoves, Matias; Bejarano Luque, Juan Luis (2019-11-19)
      The use of static system-level simulators is common practice for estimating the impact of re-planning actions in cellular networks. In this paper, a modification of a classical static Long Term Evolution (LTE) simulator ...
    • Automatic Melody Composition Inspired by Short Melodies Using a Probabilistic Model and Harmonic Rules 

      Tardon-Garcia, Lorenzo Jose; Barbancho-Perez, Isabel; Barbancho-Perez, Ana Maria; Roig, Carles; Tzanetakis, George (International Society for Music Information Retrieval (ISMIR), 2019-11)
      This demo shows how automatic melody composition of melodies that follow the style of a certain singleshort melodic excerpt can be achieved in such a way that the sample excerpt can be considered an inspirationalpiece of ...
    • Android App for Recreating old Recording Sound Effects for Voice 

      García-Bartolomé, José Ignacio; Barbancho-Perez, Ana Maria; Barbancho-Perez, Isabel; Tardón, Lorenzo J. (International Society for Music Information Retrieval (ISMIR), 2019)
      An Android App for recreating old-recording sound effects for voice is presented. The old-recording sound effects recreated are: Vinyl effect, Cylinder effect and Tape effect. Also, two nonlinear audio effects: Tube effect ...
    • Optimización de señalización en el canal común descendente para el estándar LTE-LAA 

      Fortes Rodríguez, Sergio; Baena Martínez, Eduardo; Baena González, José Carlos; Barco-Moreno, Raquel (2019-11-05)
      The use of unlicensed bands is one of the most promising features envisaged to increase capacity in cellular networks. However, this poses multiple challenges associated to the operation of LTE based standards with coexisting ...
    • Sustainable framework form smart transportation system: a case study of Karachi 

      Aamir, Muhammad (2019-10-30)
      In this talk, a framework of smart transportation system is proposed, aiming to address the transportation problem in Karachi city. In modern day world, the mega cities and urban areas are on the edge of transformation ...
    • Measuring odd- and even-mode propagation constants of coupled-lines by means of the lattice network 

      Hernández-Escobar, Alberto; Abdo-Sánchez, Elena; Esteban, Jaime; Martin-Guerrero, Teresa Maria; Camacho-Peñalosa, Carlos (2019-10-30)
      A classic method for measuring the propagation constant of transmission lines is the one proposed by Bianco and Parodi more than four decades ago [1]. It is based on the invariance of the cross ratio of four complex numbers ...
    • Estimación de métricas de video streaming para “Network Slicing” 

      Baena, Carlos; Fortes, Sergio; Baena, Eduardo; Barco-Moreno, Raquel (2019-10-30)
      The use of multimedia content has hugely increased in recent times, becoming in one of the most used and important service for the users of mobile networks. Consequently, network operators struggle to optimize their ...
    • Reparto de tráfico basado en métricas de rendimiento en escenarios con multiconectividad 

      Burgueño, Jesús; de la Bandera, Isabel; Palacios, David; Barco-Moreno, Raquel (2019-10-30)
      Multi-connectivity (MC) is one of the most relevant features to be introduced in 5G networks, allowing users to simultaneously aggregate radio resources from several network nodes to improve both reliability and data rates. ...
    • Selección automática de características para una gestión proactiva eficiente de redes 5G 

      Mendoza, Jessica; Palacios, David; de la Bandera, Isabel; Barco-Moreno, Raquel (2019-10-30)
      The growth in the number of services, functionalities and users expected with the arrival of the 5th Generation (5G) of mobile communications networks will produce an increase in the complexity of the network management ...
    • Optimización de la calidad de experiencia en escenarios de multiconectividad 

      de la Bandera, Isabel; Palacios, David; Burgueño, Jesús; Barco-Moreno, Raquel (2019-10-30)
      The vertiginous evolution of mobile communications networks is affecting not only the complexity and size of them, but also the way that these new networks have to be managed. Nowadays, the network management, and specially ...
    • Radio interference analysis tool based on GNU Radio 

      Yébenes Gálvez, José Antonio; Martos-Naya, Eduardo; Aguayo-Torres, Maria del Carmen; Cárdenas-Angelat, Carlos; Baños-Polglase, Juana Daphne (2019-10-30)
      Avoiding interference is one of the main challenges in radio communications. Interference hunting is usually done with costly instruments. In this work, a cost efficient portable tool is described for interference analysis ...
    • Smartphone-based traffic estimation in Smart Cities 

      Jatib Khatib, Emil (2019-10-25)
      Measuring traffic in real time is one of the main functionalities of Smart Cities. To reduce the costs of deployment and operation, traffic measurement with mobile devices has been widely studied. In this paper, a traffic ...
    • La Plataforma Oceánica de Canarias (PLOCAN): Infraestructura de referencia para la Investigación, Desarrollo Tecnológico e Innovación Marino‐Marítima 

      Llinás González, Octavio (2019-10-24)
      La Plataforma Oceánica de Canarias (PLOCAN) es un Consorcio público entre el Ministerio (ahora) de Economía, Industria y Competitividad y el Gobierno Autónomo Canarias, con el objetivo de construir y operar un conjunto de ...
    • Design and characterization of a pure phase modulator based on TNLC 

      Pérez Aguilar, Lorena; Puerta-Notario, Antonio; Garrido-Balsells, José María; del Castillo Vázquez, Miguel (2019-10-22)
      In this work, we present a complete process to obtain a pure phase modulator based on a twisted nematic liquid crystal display (TNLCD). We first describe a simple technique for measuring the physical parameters of each ...
    • 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 ...