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Listar por autor "Padilla, Pablo"
Mostrando ítems 1-7 de 7
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Addressing the 5G cell switch-off problem with a multi-objective cellular genetic algorithm
Luna, Francisco; Luque-Baena, Rafael Marcos; Martínez, Jesús; Padilla, Pablo; Valenzuela-Valdés, Juan Francisco (2018-07-16)The power consumption foreseen for 5G networks is expected to be substantially greater than that of 4G systems, mainly because of the ultra-dense deployments required to meet the upcoming traffic demands. This paper deals ... -
Broadband parasitic modeling of diodes in the millimeter-wave band
Pérez-Escribano, Mario; Palomares-Caballero, Ángel; Padilla, Pablo; Valenzuela-Valdés, Juan Francisco; Márquez-Segura, Enrique (Elsevier, 2024-03-06)This paper presents the extraction of an equivalent circuit model for PIN diodes and varactors in the millimeter waves. This circuit model is handy for new communication applications involving, for example, electronic beam ... -
Gain-Reconfigurable Hybrid Metal-Graphene Printed Yagi Antenna for Energy Harvesting Applications
Alex-Amor, Antonio; Palomares-Caballero, Ángel; De la Fuente, Elena; Muriel-Barrado, Alfonso; Valenzuela-Valdés, Juan Francisco; Fernández-González, José M.; Padilla, Pablo[et al.] (2019-04-26)This paper presents a hybrid metal-graphene printed Yagi antenna with reconfigurable gain that operates in the 5.5-GHz band. The balun and the driven elements are made of copper, while the directors are made of graphene. ... -
Optimized Varactor Parasitic Modelling in the Millimeter-Wave Band.
Pérez-Escribano, Mario; Palomares-Caballero, Ángel; Padilla, Pablo; Valenzuela-Valdés, Juan Francisco (2023)This work explores the utilization of varactors in the millimeter-wave (mm-wave) band, specifically focusing on their application in voltage-controlled reconfigurable devices. Varactors, or variable capacitors, can adjust ... -
Phase Shifter for Millimeter-Wave Frequency Range Based on Glide Symmetric Structures
Palomares-Caballero, Ángel; Alex-Amor, Antonio; Valenzuela-Valdés, Juan Francisco; Luna, Francisco; Padilla, Pablo (2019-03-13)The use of glide symmetry in radiofrequency devices to introduce dispersive effects has been recently proposed and demonstrated. One of these effects is to control the propagation constant of the structure. Here, we propose ... -
Puesta en marcha de un sistema de caracterización de materiales en la banda de milimétricas
Ortiz Ruiz, Sergio; Pérez-Escribano, Mario; Moreno-Rodríguez, Salvador; García-Ruiz, Francisco J.; Molero, Carlos; Padilla, Pablo; Márquez-Segura, Enrique[et al.] (2023)En este trabajo se describe el proceso seguido para la puesta en marcha de un sistema de caracterización de la permitividad y permeabilidad complejas de materiales en la banda de frecuencias de ondas milimétricas. Para ... -
Redes de sensores seguras y eficientes con beamforming
Valenzuela-Valdés, Juan Francisco; Luna, Francisco; Padilla, Pablo; Padilla, José Luis; Luque-Baena, Rafael Marcos (2017-07-03)Mejorar la eficiencia energética de las redes de sensores (WSN, por sus siglas en inglés) es uno de sus principales objetivos de diseño. De entre las distintas líneas de trabajo existentes en esta área, el uso del ...