Envíos recientes

  • Converging Underwater and FSO Ground Communication Links 

    Jurado-Navas, Antonio; Garrido-Balsells, José María; Castillo-Vazquez, Miguel; García-Zambrana, Antonio; Puerta-Notario, Antonio (2019-04-24)
    We propose a new combined underwater-atmospheric optical communication link for providing a high speed optical connectivity between onshore and sumerge systems. New average BER expressions are derived when assuming ...
  • Analysis of power line communications for last-hop backhaul in small cells deployment 

    Cortés, José A. (2019-04-23)
    The purpose of this work is to study the feasibility of using power line communications (PLC) over outdoor public lighting networks (OPLN) for last-hop backhaul in small cell deployment. The analysis is based on actual ...
  • Silicon high performance devices using subwavelength structures 

    Halir, Robert; Sánchez-Postigo, Alejandro; Luque-González, José; Herrero-Bermello, Alaine; Leuermann, Jonas; [et al.] (2019-03-13)
    Silicon photonics is poised to solve challenges in areas such as datacom, environmental monitoring and diagnostics, by leveraging the economies of scale afforded by CMOS manufacturing. This requires a wide variety of ...
  • Engineering sub-wavelength silicon waveguides for sensing applications in the near-infrared and mid-infrared band 

    Wanguemert-Perez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Hadij-ElHouati, Abdelfettah; Leuermann, Jonas; Pérez-Armenta, Carlos; [et al.] (2019-02-08)
    Silicon photonics is one of the most promising candidates to achieve lab-on-a-chip systems. Making use of the evanescent-field sensing principle, it is possible to determine the presence and concentration of substances by ...
  • A data-driven user steering algorithm for optimizing user experience in multi-tier LTE networks 

    Gijón, Carolina; Marí-Altozano, María Luisa; Toril-Genoves, Matias; Luna-Ramírez, Salvador (2019-01-31)
    Multi-tier cellular networks are a cost-effective solution for capacity enhancement in urban scenarios. In these networks, effective handover schemes are required to assign users to the most adequate layer. In this paper, ...
  • A QoE-driven traffic steering algorithm for LTE Networks 

    Mari-Altozano, María Luisa; Luna-Ramírez, Salvador; Gijón, Carolina; Toril, Matías (2019-01-31)
    Due to the huge increase in traffic and services in mobile networks, network management has changed its main focus from Quality of Service (QoS) to a Quality of Experience (QoE) perspective. In addition, SON (Self Organizing ...
  • Analisis temporal de los resultados de la calibración de ecosondas científicas en buques de investigación. 

    Córdoba Selles, Pilar; Nava Baro, Enrique; Iglesias Marroig, Magdalena; Ventero Martin, Ana (2018-11-05)
    El Instituto Español de Oceanografía (IEO), en sus campañas de Evaluación Acústica de Recursos Pesqueros, utiliza ecosondas científicas para estimar la biomasa de las especies pelágicas de interés comercial, como ...
  • Subwavelength metamaterial for communications and sensing 

    Wanguemert-Perez, Juan Gonzalo; Sanchez Postigo, Alejandro; Hadij-ElHouati, Abdelfettah; Pereira-Martin, Daniel; Luque-González, José Manuel; [et al.] (2018-10-29)
    Silicon photonics is considered a breakthrough technology with strong impact in areas as diverse as data center interconnection, high performance computing, the deployment of 5G future communication systems or lab-on-a-chip ...
  • Android app for automatic music composition 

    Nieto, Marina S.; Barbancho-Perez, Ana Maria; Barbancho-Perez, Isabel; Tardon-Garcia, Lorenzo Jose (2018-10-01)
    In this contribution, we present an Android App that generates music automatically replicating a specific contemporary genre, specifically rock music. The composition system is based on the analysis of a set of songs of ...
  • Understanding the impact of line-of-sight in the ergodic spectral efficiency of cellular networks 

    Garcia-Corrales, Celia; Martín-Vega, Francisco J.; López-Martínez, F. Javier; Cañete-Corripio, Francisco Javier; Paris-Angel, Jose Francisco (2018-09-27)
    In this paper we investigate the impact of lineof-sight (LoS) condition in the ergodic spectral efficiency of cellular networks. To achieve this goal, we have considered the kappa-mu shadowed model, which is a general model ...
  • Simulador de dispositivos SLM basados en cristal líquido 

    Gallego-Molina, Nicolás J.; Puerta-Notario, Antonio; Castillo-Vazquez, Miguel; Garrido-Balsells, José María (2018-09-27)
    En este trabajo, se presenta un simulador de modulación de fase espacial para su uso en comunicaciones ópticas de espacio libre. El simulador está basado en dispositivos TNLCD (Twisted Nematic Liquid Crystal Display). En ...
  • Inversión aproximada de matrices en sistemas Massive MIMO correlados en tiempo o frecuencia 

    Cobos Morales, Óscar; Soldado Guerrero, Rafael; Martos-Naya, Eduardo; López Martínez, Francisco Javier; Entrambasaguas-Muñoz, José Tomás (2018-09-20)
    Massive multiple-input multiple-output (MIMO) is expected to be one of the keys in 5G. In this technology, the base station is equipped with a big number of antennas serving multiple users simultaneously to improve spectral ...
  • Desafío tecnológico: herramienta para trabajar y evaluar las competencias básicas y generales en los estudios de grado de la E.T.S.I. de Telecomunicación 

    Barbancho-Perez, Ana Maria; Barbancho-Perez, Isabel; Tardon-Garcia, Lorenzo Jose; Peinado-Dominguez, Alberto; Munilla-Fajardo, Jorge; [et al.] (2018-09-20)
    This work presents the evolution of the five editions of the educational activity named “Technological Challenge” specially focused on the students at “Escuela Técnica Superior de Ingeniería de Telecomunicación” (ETSIT), ...
  • Un nuevo criterio basado en calidad de experiencia para el balance de carga en redes LTE 

    Gijón Martín, Carolina; Luna-Ramírez, Salvador; Toril-Genoves, Matias (2018-09-19)
    The increase in traffic and services in mobile networks has made network management a very complex task. This fact has motivated the development of many algorithms in a Self-Organized Network (SON) framework, such as ...
  • Algoritmo de control de carga basado en calidad de experiencia en redes LTE 

    Marí-Altozano, María Luisa (2018-09-19)
    El enorme incremento de tráfico y servicios en redes móviles hace que la gestión de las redes haya cambiado su foco de la calidad de servicio (QoS, de sus siglas en inglés) a la calidad de experiencia (QoE). Adicionalmente, ...
  • Herramienta de planificación radio para evaluar la calidad de experiencia en redes móviles 

    Bejarano Luque, Juan Luis; Cantón Padilla, Juan Francisco; Toril-Genoves, Matias; Luna-Ramírez, Salvador; Sánchez Ordóñez, Pablo Antonio; [et al.] (2018-09-14)
    The use of system-level simulators to estimate the impact of self-planning and self-optimization algorithms is a common practice for cellular operators. In this paper, a modification of a static Long Term Evolution (LTE) ...
  • Evaluación del rendimiento del servicio de videostreaming adaptativo en redes inalámbricas 

    Jiménez, Luis Roberto; Solera-Delgado, Marta; Toril-Genoves, Matias (2018-09-14)
    YouTube Live is one of the most popular services on the Internet, enabling an easy streaming of a live video with acceptable video quality. Thus, understanding user´s perception of this service is of the utmost importance ...
  • Desarrollo de actividades prácticas dirigidas a la adquisición de competencias profesionales 

    Reyes-Iglesias, Pedro Jose; Garrido-Balsells, José María (2018-09-14)
    Most companies require engineering graduates with transversal skills, in addition to technical competences, for their professional practice. Therefore, regional, national and European engineering accreditation agencies pay ...
  • Parametrización física de canales ópticos turbulentos modelados con la distribución M 

    Garrido Balsells, José María; Puerta Notario, Antonio; Jurado Navas, Antonio; del Castillo Vázquez, Miguel (2018-09-14)
    En esta contribución se presenta el análisis del índice de escintilación y su relación con los parámetros físicos de la turbulencia en el canal óptico atmosférico, suponiendo que el centelleo inducido por la turbulencia ...
  • Miniaturized top-metallized rectangular dielectric resonator antenna 

    Pérez Escribano, Mario; Herraiz Martínez, Francisco Javier; Márquez-Segura, Enrique (Sección Española de la Unión Científica Internacional de Radio, 2018-09)
    In this paper, a modal analysis of a rectangular dielectric resonator antenna (DRA), with unconventional boundary conditions, is carried out. Analytical equations of the fields inside the resonator and simulations are ...

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