• 5G wireless systems: principles, IoT connectivity, and slicing of radio resources 

      Popovski, Petar (2019-06-07)
      In the conference, the landscape of future wireless connectivity is first described. Later, a glimpse into the new radio and standardization is given. New modes in 5G are treated in deep, emphasizing those related to ...
    • A broadband polarization splitter directional coupler based on tilted subwavelengh grating metamaterials 

      Luque-González, José Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro; Sánchez-Rodriguez, Marina; Velasco, Aitor V.; [et al.] (2020-12-03)
      Tilted subwavelength gratings (SWG) allows anisotropy tailorable metamaterials with applications in polarization management. Based on this concept, here we experimentally demonstrate a broadband directional-couplerbased ...
    • A Framework to boost the potential of networkin- a-box solutions 

      Baena González, Carlos; Fortes Rodríguez, Sergio; Peñaherrera, Oswaldo; Barco-Moreno, Raquel (2021-10)
      The expected heterogeneous connectivity provided by the fifth generation mobile network (5G) implies a huge revolution in the telecommunication field. Here, virtualisation and software implementation of network elements ...
    • A MATLAB program for the computation of the confluent hypergeometric function Φ2 

      Martos-Naya, Eduardo; Romero-Jerez, Juan Manuel; Lopez-Martinez, F. Javier; Paris-Angel, Jose Francisco (2016-09-22)
      We here present a sample MATLAB program for the numerical evaluation of the confluent hypergeometric function Φ2. This program is based on the calculation of the inverse Laplace transform using the algorithm suggested by ...
    • A New Frequency Planning for Improved Capacity and Coverage in Sectorized OFDMA Cellular Networks 

      Martín-Vega, Francisco J.; Gómez, Gerardo; Aguayo-Torres, Maria del Carmen (2015-09-02)
      One of the main challenges in cellular systems is how to reduce Other Cells Interference (OCI) while keeping high spectral efficiency and high coverage probability. Since the beginning of cellular technologies, frequency ...
    • A New Tractable Model to Estimate the Uplink Inter-Cell Interference in LTE 

      Martín-Vega, Francisco J.; Gómez, Gerardo; Aguayo-Torres, Maria del Carmen (2015-09-02)
      This paper presents a tractable model to estimate the uplink Inter-Cell Interference (ICI) in fully loaded LTE networks. Interfering users are considered to be uniformly distributed in an annulus so that evaluation of the ...
    • A Physical Layer Model for G3-PLC Networks Simulation 

      Sanz, Alfredo; Sancho, David; Guemes, Cristian; Cortés, José Antonio (IEEE, 2017)
      This work presents a model of the G3-PLC physical (PHY) layer tailored for network simulations. It allows simulating frequency selective channels with non-stationary colored noise. Collisions with other frames are modeled ...
    • A quality of experience evaluation method for an UAV first person view system 

      González, Nuria; Solera-Delgado, Marta; Ruiz-Vega, Fernando Jesus; Luna-Ramírez, Salvador; Toril-Genoves, Matias (2022-02)
      Unmanned Aerial Vehicles (UAV) communication systems are an increasingly widespread and emerging technology due to their flexibility, low cost and usability properties. Hence, the demand for Beyond Visual Line of ...
    • A Trip Around Architecture 

      Sliwinski, Jaroslaw (2015-04-17)
      Architecture is a word that often appears during work in research projects. The meaning of word architecture more than often becomes ambiguous, especially when projects deal distributed environment or large amount of data ...
    • Adquisición de métricas en cloud gaming 

      Peñaherrera-Pulla, Oswaldo Sebastián; Baena-González, Jose Carlos; Fortes Rodríguez, Sergio; Baena Martínez, Eduardo; Tranle, Mai; [et al.] (2020-10-08)
      This document presents a Cloud Gaming review and how it works in contrast with the traditional Gaming scenario. Then several platforms that can be used to implement this service are described. Next, it’s exposed the way ...
    • Adquisición de métricas para el servicio de Vídeo 360/VR 

      Peñaherrera-Pulla, Oswaldo Sebastian; Baena, Carlos; Fortes Rodríguez, Sergio; Baena Martínez, Eduardo; Barco-Moreno, Raquel (2021-09)
      Virtual Reality (VR) arises as one of the current cutting-edge technologies. Its applications address educational and entertainment uses. This work presents a framework to assess video 360 service performance over VR ...
    • AFDX networks simulation-based evaluation system 

      Villegas, Javier; Fortes Rodríguez, Sergio; Escaño, Vicente; Baena González, Carlos; Colomer, Benjamín; [et al.] (2021-05)
      Aircraft on-board systems, including navigation equipment, sensors and actuator, among others, present an increasingly demanding requirements on the avionics data communication networks. Moreover, the safety-critical needs ...
    • 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, ...
    • Amplificadores de potencia de alta eficiencia 

      Ng Molina, Francisco Yak (2015-01-12)
      The fast growth in modern wireless communication systems has set in motion a never-ending quest for greater capacity and higher data rates in radio access networks. These demands must be met within the existing radio base ...
    • Análisis de capacidad de redes de acceso radio centralizadas en escenarios heterogéneos 

      Sánchez, Joaquín M.; Gijón, Carolina; Toril-Genoves, Matias; Luna-Ramírez, Salvador; Fernández-Navarro, Mariano (URSI 2021, 2021-09)
      En este trabajo se propone un método de análisis de capacidad para una red de acceso centralizada compuesta por macroceldas y celdas pequeñas. Para ello, se implementa la Coordinación de Interferencia Inter-Celda (ICIC) y ...
    • Análisis de Interferencia Cross-Link sobre un escenario 5G mmWave 

      Tarrías Muñoz, Antonio; Fortes Rodríguez, Sergio; Baena Martínez, Eduardo; Barco-Moreno, Raquel (2021-09)
      The use of Time Division Duplex (TDD) has not been fully adopted by operators in LTE networks and its previous generations. In contrast, the fifth generation (5G) is introducing new technical motivations for its use. In ...
    • Análisis de la capacidad ergódica en sistemas cooperativos de comunicaciones ópticas no guiadas 

      Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Castillo-Vazquez, Beatriz; Castillo-Vazquez, Carmen (2015-09-14)
      Ergodic capacity for the bit-detect-and-forward (BDF) cooperative protocol over gamma-gamma fading channels with pointing errors is here analyzed. Novel closed-form approximate ergodic capacity expression is here obtained ...
    • Análisis de Planificaciones para redes Acústicas Submarinas de Sensores con Topología Lineal 

      Luque-Nieto, Miguel Ángel; Moreno-Roldán, José Miguel; Poncela-Gonzalez, Javier; Otero, Pablo (2016-11-22)
      En este artículo, se aborda el análisis y mejora de rendimiento de una red submarina lineal formada por un array de nodos sensores y un solo nodo recolector de datos (Gateway) en un extremo. Usando un esquema de transmisiones ...
    • Análisis del efecto del número de beams sobre un escenario 5G 

      Tarrias, Antonio; Fortes Rodríguez, Sergio; Baena, Eduardo; Barco-Moreno, Raquel (2020-10-02)
      5G has been presented as the most revolutionary generation in the mobile network paradigm. With regard to the RAN part, the main achieved improvements in comparison with its predecessor are based on the use of mmWaves. To ...
    • Análisis del impacto de las tecnologías web en el rendimiento del servicio de navegación web 

      Jiménez, Luis Roberto; Solera-Delgado, Marta; Toril-Genoves, Matias; Calle Villarrazo, Cristina (2021-09-20)
      Las propiedades de una página web tienen un fuerte impacto en la experiencia de los usuarios de la web. En este trabajo se propone un método de clasificación basado en la agrupación no supervisada para páginas web en clases, ...