• 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 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 ...
    • 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 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 ...
    • Analysis and design of enhanced planar devices using multiconductor transmission lines with interconnected alternate lines 

      Sánchez Martínez, Juan José (Universidad de Málaga, Servicio de Publicaciones y Divulgación Científica, 2014)
      Novel capabilities and applications of multiconductor transmission lines with interconnected alternate lines have been analyzed in this work. The interconnections among alternate strips broaden the operating frequency band ...
    • Analysis of M2M Capabilities in 4G 

      Poncela, Javier; Moreno, J.M.; Aamir, Muhammad (2014-05-07)
      M2M (Machine to Machine) communications enable many new applications that reduce the costs of maintenance and operation via remote monitoring and control. The forecasts for this type of communications predict traffic ...
    • Application-layer Performance Analysis of PRIME in Smart Metering Networks 

      Corchado, Julio. A.; Manero, Eduardo; Cortés, José A.; Sanz, Alfredo; Díez, Luis (IEEE, 2016)
      This paper assesses the performance of actual PRIME v1.3.6 and PRIME v1.4 systems when used for Smart Metering applications. The analysis is performed at the application level using the DLMS/COSEM stack. Hence, it considers ...
    • Arrays planares basados en el elemento strip-slot complementario 

      Abdo-Sánchez, Elena; Martin-Guerrero, Teresa Maria; Page de la Vega, Juan Enrique; Esteban Marzo, Jaime; Camacho-Peñalosa, Carlos (2013-09-13)
      Recently, the authors introduced a novel planar radiating element that exploits the characteristics of the slotline microstrip coupling to obtain a microstrip-fed slot with broadband matching. This paper reviews the main ...
    • Bringing Optical Communications to the General Public: an Innovative Bachelor Thesis 

      Halir, Robert; Pardo-García, Víctor; Godoy-Rubio, Rafael (2015-11-18)
      The United Nations “International year of light 2015” strives to highlight the importance of optical technologies in our everyday lives. Fibre optic communication is one such technology: the growth of internet and its ...
    • Butler Matrix Based Six-port Passive Junction 

      Moscoso Mártir, Álvaro; Ávila Ruiz, Jose Manuel; Durán Valdeiglesias, Elena; Moreno Pozas, Laureano; Molina Fernández, Íñigo; [et al.] (2014-02-03)
      In this work we propose the utilization of the Butler matrix as a six-port I/Q demodulator. The inherent symmetry of its topology allows to overcome the intrinsic amplitude and phase imbalances of the traditional approaches ...
    • Calibración de los parámetros del modelo de directividad de los transductores de la Ecosonda Simrad EK60 

      Cordoba Selles, Pilar; Iglesias Marroig, Magdalena; Nava Baro, Enrique; Miquel Batle, Joan; Clemente-Medina, Maria del Carmen (2015-11-18)
      La ecosonda científica Simrad EK60 se utiliza para cuantificar los recursos pesqueros en campañas de investigación oceanográfica, utilizando diferentes canales de frecuencias (de 18KHz a 200KHz) mediante transductores ...
    • Calidad de transmisión de vídeo en redes de comunicaciones submarinas 

      Poncela, Javier; Moreno, Jose Miguel (2015-11-24)
      La adquisición de imágenes submarinas plantea en la actualidad importantes dificultades especialmente en términos de coste y/o retardo en la disponibilidad de la información. Las transmisiones de vídeo a través de redes ...
    • Caracterización y Simulación de un Diodo Schottky de Microondas 

      Moreno Pozas, Laureano; Durán Valdeiglesias, Elena; Ávila Ruiz, Juan Manuel; Molina Fernández, Íñigo (2013-09)
      Microwave diode models included in commercial simulators use a large set of parameters, so they are often difficult to set up in order to match the actual response of a specific device. In this paper a simple model for a ...
    • Cifrado de comunicaciones de alta velocidad 

      Fúster-Sabater, Amparo (2016-12-01)
      La Dra. Fúster, científica titular del CSIC, experta en Criptografía de clave secreta, presentará los procedimientos de cifrado en flujo que permiten el diseño, evaluación y posterior criptoanálisis, de generadores de ...