Listar Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak por autor UPNA "Ederra Urzainqui, Íñigo"
Mostrando ítems 1-20 de 22
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Análisis de efecto de un superestrato left-handed en la apertura de una guía rectangular
Sáenz Sáinz, Elena
; Gonzalo García, Ramón 
; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena 
In this paper, results showing the experimental verification of the gain improvement of a rectangular waveguide antenna when a left-handed material (LHM) is used as superstrate are presented. The improvement has been ... -
Boresight radiation of a dipole antenna with a uniform or non-uniform left handed superstrate
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper measurements of the radiation performances of a dipole fed by a coaxial balun and a dipole with a left handed superstrate based on a finite periodic repetition of a unit cell are compared. Two types ... -
A dedicated numerical technique for field simulations of antennas on electromagnetic band-gap substrates
Hon, B.P. de; Beurden, M.C. van; Gonzalo García, Ramón ; Martínez Pascual, Beatriz ; Ederra Urzainqui, Íñigo ; Río Bocio, Carlos del ; Azcona, L.; Alderman, B.; Huggard, P.G.; Marchand, L.; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
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Design of a multifrequency antenna array with the use of left-handed superstrates
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performances of different antenna configuration based on Left-Handed superstrates are presented. First of all, the behaviour of a Left- Handed (LH) unit cell is analysed, showing a resonant ... -
Design of a planar meta-surface based on dipoles and wires for antenna applications
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the design of a planar meta-surface based on dipoles and wires is presented. The unit cell is formed by three independent layers, which contain two parallel dipoles and one wire. The behaviour of these ... -
Dipolos y metamateriales: mejora de las características de radiación
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
In this work, pass band properties of Left Handed Media (LHM) are demonstrated. These properties have been used in order to make a LHM super-substrate that is put over a dipole antenna. This super-substrate is going to ... -
Domain integral equations for electromagnetic band-gap slab simulations
Hon, B.P. de; Beurden, M.C. van; Gonzalo García, Ramón ; Martínez Pascual, Beatriz ; Ederra Urzainqui, Íñigo ; Río Bocio, Carlos del ; Azcona, L.; Alderman, B.; Huggard, P.G.; Maagt, Peter de; Marchand, L. (2004)
Contribución a congreso / Biltzarrerako ekarpena
Electromagnetic band-gap substrates o er advantages regarding cross-coupling in sub-mm range imaging array applications. Electromagnetic scattering by such substrates may e ectively be formulated in terms of integro- di ... -
EBG superstrate antenna for WAAS bands
Osés de León, Ángel; Iriarte Galarregui, Juan Carlos ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón (2008)
Contribución a congreso / Biltzarrerako ekarpena
Multiband antennas can simplify considerably the complexity of receivers and transmitters, reducing the size and the mass of the conventional configurations. On the other hand, applications with high directivity requirements ... -
Enhanced radiation properties of a rectangular waveguide by means of a left handed media
Sáenz Sáinz, Elena; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the results of experimental investigations to improve the gain between two antennas by means of a Left Handed Material (LHM) are presented. The basic idea is the use of a LHM media acting as a resonator ... -
Enhancement of the power radiated by a dipole antenna at boresight by means of a left handed superstrate
Sáenz Sáinz, Elena; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; Maagt, Peter de (IEEE, 2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper a comparison between the measured radiation performances of a single dipole and a dipole with a left handed superstrate based on a finite periodic repetition of a unit cell is presented. First of all the ... -
Experimental study of the antenna influence in RTLS based-on RFID
Crespo López, Gonzalo; Teniente Vallinas, Jorge ; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón (IEEE, 2012)
Contribución a congreso / Biltzarrerako ekarpena
Nowadays Real-time localization systems (RTLS) are growing up very quickly but there are some remaining issues which need to be analyzed. This paper presents an experimental study that shows how different kind of antennas can ... -
High efficient dipole antennas by using left-handed superstrates
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
This paper deals with pass band properties of Left Handed Media (LHM) to enhance dipole antenna performances. The LHM properties have been used in order to make high directivity antennas with good return loss features. The ... -
Low profile multi-frequency dipole antenna array based on planar meta-surfaces
Sáenz Sáinz, Elena; Ikonen, Pekka; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Tretyakov, Sergei A.; Maagt, Peter de (IEEE, 2007)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performance of a low profile multi-frequency dipole antenna array with a planar meta-surface is presented. The meta-surface consists of two closely located parallel grids of short dipoles and ... -
Manufacture and characteristics of wide bandwith, 3-D, EBG crystals for sub-millimetre antenna substrates
Azcona, L.; Alderman, B.; Huggard, P.G.; Gonzalo García, Ramón ; Martínez Pascual, Beatriz ; Ederra Urzainqui, Íñigo ; Río Bocio, Carlos del ; Hon, B.P. de; Beurden, M.C. van; Marchand, L.; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
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Metamaterials as super-substrate to enhance dipole antenna performances
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2004)
Contribución a congreso / Biltzarrerako ekarpena
In this work, pass band properties of Left Handed Media (LHM) are demonstrated. These properties have been used in order to make a LHM super-substrate that is put over a dipole antenna. This super-substrate is going to ... -
Parametric study of pin surface used to suppress undesired modes in a packaged W-band microstrip receiver
Rebollo Mugueta, Ainara; Maestrojuán Biurrun, Itziar ; Larumbe Gonzalo, Belén ; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo (IEEE, 2013)
Contribución a congreso / Biltzarrerako ekarpena
A pin surface structure has been used in order to suppress undesired modes in a packaged W-band RF front-end receiver. A parametric analysis has been carried out in order to determine the optimum dimensions. Resonances ... -
Planar DNG superstrate for dipole antenna gain enhancement
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Ikonen, Pekka; Tretyakov, Sergei A.; Maagt, Peter de (2007)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a volumetric double-negative (DNG) superstrate based on grids of dipoles and wires for dipole antenna applications is proposed. -
Radiation performances of a dipole array configuration inserted in a left-handed media
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the radiation improvements achieved when Left Handed Media (LHM) are combined with dipole antennas has been analysed. The behavior of two dipole antennas in array configuration when a Left Handed superstrate ... -
Radiation performances of a multifrequency dipole antenna array with a left handed superstrate
Sáenz Sáinz, Elena; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, the radiation performances of a multifrequency antenna array (MFAA) which consists of two dipoles (1 and 3) that are radiating at 9.57 GHz and other one (dipole 2) radiating at 11.98 GHz are presented. In ... -
Research on metamaterials for antenna applications
Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo ; Iriarte Galarregui, Juan Carlos ; Martínez Pascual, Beatriz ; Sáenz Sáinz, Elena ; Cantora Álvarez, Pablo; Maagt, Peter de (2005)
Contribución a congreso / Biltzarrerako ekarpena
During the last 20 years a lot of attention has been paid to apply Electromagnetic Band Gap (EBG) technology in different frequency ranges, from microwaves to optics. EBG technology is based on the use of periodic structures ...
