• 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 ...
    • 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 ...
    • Analysis of M2M Capabilities in 4G 

      Poncela-Gonzalez, 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 ...
    • Analysis of power line communications for last-hop backhaul in small cells deployment 

      Cortes-Arrabal, Jose Antonio (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 ...
    • A Broadband Bow-Tie Cavity-Backed Slot for Traveling-Wave Arrays in the Millimeter-Wave Band 

      Hernández Escobar, Alberto; Abdo-Sanchez, Maria Elena; Camacho-Peñalosa, Carlos (2019-05-07)
      The use of bow-tie geometries to enhance the characteristics of a radiating element previously proposed by the authors is presented. The previous element consisted of a broadband cavity-backed slot in transmission ...
    • Caracterización de modelos no-lineales casi-estáticos a partir de las formas de onda en régimen de gran señal 

      Pérez Parras, Sergio; Martin-Guerrero, Teresa Maria; Baños-Polglase, Juana Daphne; Camacho-Peñalosa, Carlos (2018-09-07)
      A method to extract the conduction and displacement components of nonlinear quasi-static current sources controlled by two variables is concisely described. The method is numerically tested by means of two different ...
    • Configuración Software de la directividad de arrays lineales 

      Martínez Serrano, Antonio A; Ortega Valle, Alfonso D; Munilla-Fajardo, Jorge (2015-09-09)
      A line array can be defined as a column of loudspeakers that is designed so that these work together to achieve a higher directivity. This paper presents an application that enables a user to rotate the wavefront of uniform ...
    • Distributed Amplifiers in MMIC Technology based on Composite Right/Left-Handed Transmision Lines 

      Martin-Guerrero, Teresa Maria; Palombini, Diego; Mata-Contreras, Francisco Javier; Bentini, Andrea; Ng-Molina, Francisco Yak; [et al.] (2013-11-13)
      Abstract – Three MMIC distributed amplifiers based on Composite Right/Left-Handed Transmission Lines are presented in order to illustrate the actual performance of these devices, and the features that can be obtained with ...
    • Elemento radiante de banda ancha en microstrip cerrada para arrays alimentados en serie 

      Hernández Escobar, Alberto; Abdo-Sanchez, Maria Elena; Camacho-Peñalosa, Carlos (2018-09-07)
      A previous radiating element in transmission configuration proposed by the authors is alternatively implemented using enclosed microstrip configuration. The new implementation overcomes fabrication issues and improves its ...
    • Estudio comparativo de biosensors coherentes basados en estructuras interferométricas y resonantes 

      Molina Fernandez, Iñigo; Leuermann, Jonas; Ortega-Moñux, Alejandro; Wanguemert-Perez, Juan Gonzalo; Halir, Robert (2019-06-18)
      La gran mayoría de los biosensores fotónicos de campo evanescente se basan en arquitecturas interferométricas o resonantes. La determinación analítica del límite de detección (LOD) alcanzable con estas arquitecturas es muy ...
    • Implementación de antena leaky-wave basada en metasuperficie de Huygens 

      Abdo-Sanchez, Maria Elena; Epstein, Ariel; Eleftheriades, George V. (2018-09-07)
      In this communication, the implementation of a leaky-wave antenna based on bianisotropic Huygens’ metasurface is addressed. It consists of a parallel-plate waveguide in which the top plate is replaced by a metasurface. It ...
    • IntelCity, comprehensive management platform for smart cities 

      Poncela-Gonzalez, Javier; Pérez, N.; Moreno, J.M.; Memon, M. (2014-05-07)
      Modern cities contain a wealth of information that is usually scattered among a myriad of organisms. For citizens it is many times difficult and confusing to access this information. Cities must find a way to put all this ...
    • Mid-infrared Suspended Waveguide Platform and Building Blocks 

      Wanguemert-Perez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Soler-Penades, Jordi; Ortega-Moñux, Alejandro; Nedeljkovic, Milos; [et al.] (2018-06-05)
      In this work we present our recent progress in the development of a platform for the mid-infrared wavelength range, based on suspended silicon waveguide with subwavelength metamaterial cladding. The platform has some ...
    • 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 ...
    • PLC Networks with In-Band Full-Duplex Relays 

      Cañete-Corripio, Francisco Javier; Prasad, Gautham; Lampe, Lutz (2020-06-10)
      Electromagnetic compatibility regulations impose strict transmit power spectral density limitations on power line communication (PLC) that limits the coverage it can provide.As a consequence, PLC networks, especially those ...
    • Small Size Dual-band Bandpass Filters with Multiconductor Transmission Lines and Shunt Open Stubs 

      Pérez Escribano, Mario; Sánchez Martínez, Juan José; Márquez Segura, Enrique (2018-09-14)
      A dual-band bandpass filter consisting of multiconductor transmission lines (MTL) and shunt stubs has been designed. The used topology, based on the interconnection of two identical MTL and a shunt open stub, has a frequency ...
    • WM-SIMA: Herramienta de simulación para el enlace descendente LTE-Advanced 

      Delgado Luque, Isabel María; Martín-Vega, Francisco-Javier; Carreras, Alberto; Gomez-Paredes, Gerardo; Aguayo-Torres, Maria del Carmen; [et al.] (2017-09-12)
      In this paper, we present a novel and efficient link level simulation framework for the donwlink (DL) of Long Term Evolution Advanced (LTE-A) cellular networks. The tool, called Wireless Mobile SIMulator Advanced (WM-SIMA), ...