Exploració per autor "Blanch Boris, Sebastián"
Ara es mostren els items 40-59 de 63
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Imaging system for automotive radome characterization
Buitrago Ventura, Santiago; Blanch Boris, Sebastián; Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés restringit per política de l'editorialIn this paper, a setup to obtain an image of the attenuation and the reflectivity of an automotive radome in the 77 GHz band is presented.The characterization of the reflectivity is becoming an important issue to be ... -
Infrared thermograms applied to near-field testing
González Arbesú, José María; Aguasca Solé, Alberto; Blanch Boris, Sebastián; Romeu Robert, Jordi (European Space Agency, 2000)
Text en actes de congrés
Accés obertElectromagnetic fields close to radiant structures can be measured quickly using an infrared camera. Examples of induced fields by wire antennas over a detection screen at distances shorter than one wavelength are presented. ... -
Input impedance measurements of cell phone antennas using backscattering modulation
Monsalve, Beatriz; Blanch Boris, Sebastián; Romeu Robert, Jordi (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis contribution presents an overview of the backscattering modulation applied to input impedance measurements of cell phone antennas. -
Lens based switched beam antenna for a 5G smart repeater
Romeu Robert, Jordi; Blanch Boris, Sebastián; Pradell i Cara, Lluís; Barlabe Dalmau, Antoni; Rius Casals, Juan Manuel; Albert Galí, Miquel; Jofre Roca, Lluís; Mazzucco, Christian; Flamini, Roberto (2023-10)
Article
Accés obertA 16 switched beam lens based antenna with a coverage area of ±30° in the horizontal plane and from 0 to -20° in the vertical plane has been built and tested. The intended use of the antenna is as part of a smart repeater ... -
LTCC-based dielectric flat lens performance evaluation at 94 GHz
Imbert Villà, Marc; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís; Baquero Escudero, M. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe design and performance evaluation of an inhomogeneous LTCC-based dielectric flat lens at 94 GHz is presented. A previously introduced dielectric flat lens design with its effective permittivity (r) circularly distributed ... -
Magnetoelectric dipole antenna framework supporting orbital angular momentum modes
Jofre Cruanyes, Marc; Akazzim, Youness; Blanch Boris, Sebastián; Romeu Robert, Jordi; Cetiner, Bedri Artug; Jofre Roca, Lluís (2024-04)
Article
Accés restringit per política de l'editorialThe ability to utilize resources to meet the need of growing diversity of communication services and user behavior marks the future of cognitive wireless communication systems. Cognitive wireless technologies for vehicular ... -
Multiport small integrated antenna impedance matrix measurement by backscattering modulation
Monsalve, Beatriz; Blanch Boris, Sebastián; Romeu Robert, Jordi (2013-01)
Article
Accés restringit per política de l'editorialA method to characterize small antennas in their actual operating conditions is presented. The proposed procedure is based on the radar cross section (RCS) measurement technique using backscattering modulation. A theoretical ... -
Near field in the vicinity of wireless base-station antennas: an exposure compliance approach
Blanch Boris, Sebastián; Romeu Robert, Jordi; Cardama Aznar, Ángel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2002-05-31)
Article
Accés obertGreat social concern has risen about the potential health hazard of living near a cellular telephony base-station antenna, and certain technical questions have been posed on the appropriate way to measure exposure in ... -
near field to far field tranfsormation of bipolar measurements by equivalent magnetic current approach
Blanch Boris, Sebastián; Romeu Robert, Jordi (ieee ieee, 1996)
Text en actes de congrés
Accés obertAn equivalent magnetic current (EMC) approach has been proposed as an alternative method to the classical modal formulation for computing the far-field pattern of a radiating antenna from planar near-field measurements. ... -
Optically beamformed wideband array performance
Jofre Roca, Lluís; Stoltidou, Chysavgi; Blanch Boris, Sebastián; Mengual, Teresa; Vidal, Borja; Marti, Javier; Mckenzie, Iain; Cura, J.M. del (2008-06)
Article
Accés obertOptical beamforming networks (OBFNs) are an interesting alternative for the design of wideband antenna arrays, mainly due to their low losses and weight, their high parallel processing capabilities and their electromagnetic ... -
Optimization of linear multielement antennas for selection combining by means of a Butler matrix in different MIMO environments
Grau Besolí, Alfred; Romeu Robert, Jordi; Blanch Boris, Sebastián; Jofre Roca, Lluís; Flaviis, Franco de (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2006-11-30)
Article
Accés obertAn optimized linear multielement antenna (MEA) is presented for selection combining schemes that improves the selection diversity gain and selection diversity capacity in medium and low multipath environments, with ... -
Planar array diagnostic from cylindrical near-field measurements
Romeu Robert, Jordi; Blanch Boris, Sebastián; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 1990)
Text en actes de congrés
Accés obert -
Projecte CLEAR: Collaborative Learning on ECTS Array Resolution
Anton, Mireia; Romeu Robert, Jordi; Jofre Roca, Lluís; Blanch Boris, Sebastián; Gonzalez, J.M.; Cardama Aznar, Ángel; Rius Casals, Juan Manuel (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2005-02)
Text en actes de congrés
Accés obertEl Projecte CLEAR s’emmarca en el procés de desenvolupament del mòdul d’aprenentatge interactiu “Array Antennas” en el context de l’assignatura d’Antenes de l’Escola Tècnica Superior Enginyeria de Telecomunicació ... -
Pulsar navigation
Sala Álvarez, José; Urruela Planas, Andreu; Villares Piera, Nemesio Javier; Romeu Robert, Jordi; Blanch Boris, Sebastián; Estalella Boadella, Robert; Paredes, J. M. (European Space Agency (ESA), 2008-12-31)
Article
Accés restringit per política de l'editorialThis paper evaluates the fundamental performance bounds, signal processing and technological complexity associated with the synchronization to radio and X-ray pulsars as well as its impact on the positioning accuracy of ... -
Reconfigurable dual-polarized beam-steering broadband antenna using a crossed-strips geometry
Ramírez Arroyave, Germán Augusto; Zhou, Ivan; Blanch Boris, Sebastián; Towfiq, Asaduzzaman; Cetiner, Bedri Artug; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2021-08)
Article
Accés obertIn this letter, a reconfigurable dual-polarized broadband antenna with beam-steering capabilities using a parasitic layer is proposed for 5G new radio (NR) frequency range 1 (FR-1) applications. The antenna is a dual-port ... -
RFID based probes for EM-field measurements
Capdevila Cascante, Santiago; Massud, Muhammad; Serrano, Raquel; Aguasca Solé, Alberto; Blanch Boris, Sebastián; Romeu Robert, Jordi; Bolomey, J.Ch; Jofre Roca, Lluís (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
Text en actes de congrés
Accés obertIn this paper the use of RFID for EM field measurement is studied. A novel RFID antenna with high tuning capabilities is presented and measured, and it is used in combination with several RFID IC to measure the EM ... -
Self-similar prefractal frequency selective surfaces for multiband and dual-polarized applications
Gianvittorio, John P.; Romeu Robert, Jordi; Blanch Boris, Sebastián; Rahmat-Samii, Yahya (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-01-31)
Article
Accés obertFrequency-selective surfaces (FSS) that have been designed using the iterative techniques of fractals have been fabricated and measured. Fractals contain many scales of the starting geometry, each of which acts as a ... -
Sensitivity study of the microwave spiralimetric imaging
Jofre Roca, Lluís; Blanch Boris, Sebastián; Cardama Aznar, Ángel; Rius Casals, Juan Manuel; Torner Sabata, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2005)
Text en actes de congrés
Accés restringit per política de l'editorialThe use of the spiral modes-electromagnetically related to the orbital momentum of the photons- at microwave frequencies for imaging purposes is studied and some preliminary numerical and experimental results for basic ... -
Sistema de adquisición y procesado de datos en campo próximo esférico
González Arbesú, José María; Blanch Boris, Sebastián (1991)
Text en actes de congrés
Accés obertNear field antenna measurements supply e qua! or more accurate results than far field measurements, its main dijficulty is the post processing of the data measured in the anechoic chamber. In this paper we show a measurement ... -
Small UAV radiocommunication channel characterization
Romeu Robert, Jordi; Aguasca Solé, Alberto; Alonso Valdesueiro, Javier; Blanch Boris, Sebastián; Martins, Ricardo (2010)
Text en actes de congrés
Accés obertSmall Unmanned Aerial Vehicles (UAV) are finding different applications as platforms to carry observation payloads. The need to establish reliable high data rate channels requires to characterize the radiocommunication ...