• 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 general approach for robust integrated polarization rotators 

      Alonso-Ramos, C.; Halir, Robert; Ortega Moñux, Alejandro; Cheben, Pavel; Vivien, Laurent; [et al.] (International Society for Optics and Photonics, 2013)
      Integrated polarization rotators suffer from very high sensitivity to fabrication errors. A polarization rotator scheme that substantially increases fabrication tolerances is proposed. In the proposed scheme, two tunable ...
    • A MATLAB program for the computation of the confluent hypergeometric function Φ2 

      Martos-Naya, Eduardo; Romero-Jerez, Juan Manuel; Lopez-Martinez, F. Javier; Paris, Jose F. (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 Framework for the Performance Analysis of Wireless Communications under Hoyt (Nakagami-q) Fading 

      Romero-Jerez, Juan Manuel; Lopez-Martinez, F. Javier (IEEE, 2017)
      We present a novel relationship between the distribution of circular and non-circular complex Gaussian random variables. Specifically, we show that the distribution of the squared norm of a non-circular complex Gaussian ...
    • 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 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 ...
    • 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 ...
    • Adquisición de métricas en cloud gaming 

      Peñaherrera-Pulla, Oswaldo Sebastián; Baena-González, Jose Carlos; Fortes Rodríguez, Sergio; Baena Martinez, 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 ...
    • 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, ...
    • Algoritmos de planificación del control de potencia y estimación de capacidad en redes LTE 

      Fernández Segovia, José Ángel (Servicio de Publicaciones y Divulgación Científica, 2015)
      Las tareas de planificación son de vital importancia en las redes de comunicaciones móviles. En la etapa de planificación, se realiza el diseño y dimensionado de la red atendiendo a criterios preestablecidos de cobertura, ...
    • Algoritmos de reparto de tráfico en femtoceldas corporativas LTE 

      Ruiz Avilés, José María (Servicio de Publicaciones y Divulgación Científica, 2015)
      En las redes de comunicaciones móviles actuales, la mayor parte de la demanda de tráfico se genera en ubicaciones de interior, donde las condiciones de cobertura son deficientes. Para solventar este problema, se ha propuesto ...
    • 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 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, 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 Rodriguez, 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 estadístico de formas cuadráticas gaussianas complejas no centrales 

      Martos Naya, Eduardo; Ramírez Espinosa, Pablo; Cortés Arrabal, José Antonio; Paris-Angel, Jose Francisco (2018-09-13)
      En este artículo se presenta un nuevo enfoque al análisis estadístico de las formas cuadráticas gaussianas complejas (FCGC) indefinidas y no centrales. Este nuevo enfoque se basa en el estudio de una variable aleatoria ...
    • Análisis Preliminar del Strip-slot Complementario en Tecnología Stripline 

      Hernández Escobar, Alberto; Abdo-Sánchez, Elena; Camacho-Peñalosa, Carlos (2017-09-20)
      A stripline-fed slot antenna configuration is proposed using planar technology. Its main advantages are the broad impedance bandwidth available and the radiation in only one half-space, which are obtained with the use of ...
    • 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 ...
    • Análisis y diseño de filtros diferenciales basados en líneas acopladas 

      Sánchez-Martínez, Juan José; Márquez-Segura, Enrique (2014-09-11)
      The design of differential bandpass filters using coupled lines is presented. The topology proposed, consisting of short-circuited coupled lines is analyzed by means of analytical equations. The study is carried out by ...
    • Análisis y Diseño de Filtros Paso Banda con Alta Selectividad Espectral Basados en Líneas de Transmisión Multiconductoras 

      Sánchez-Martínez, Juan José; Márquez-Segura, Enrique (2013-09-19)
      A new wideband planar bandpass filter consists of two series wire-bonded multiconductor transmission lines (MTL) and a shunt short-circuited MTL is presented and analyzed. A comprehensive study of the proposed topology ...