Ferrando-Rocher, Miguel; Valero-Nogueira, Alejandro; Herranz Herruzo, José Ignacio; Teniente, Jorge(Institute of Electrical and Electronics Engineers, 2019-05)
[EN] A V-band single-layer low-loss slot-array antenna is presented in this letter. Radiating slots are backed by coaxial cavities, which are fed through a groove gap waveguide E-plane corporate feed network. Cavity ...
[EN] This contribution describes the impact of non uniform thermal-induced turbulence on 64-QAM LTE signal transmission at 25 GHz millimeter wave (mmW) signal along hybrid RoF/RoFSO links. Microwave photonic signal generation ...
Ferrando Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo Clemente, Bernardo; ZAMAN, ASHRAF UZ; Yang, Jian(Institute of Electrical and Electronics Engineers, 2019-07)
[EN] This paper describes an 8 x 8 fully metallic high-efficiency dual-polarized array antenna working at the Ka-band, based on the gap waveguide (GW) concept. The radiating element is a circular aperture backed by two ...
Haroun, Mohammad Hassan(Universitat Politècnica de València, 2019-10-21)
[ES] La tecnologia en fases de paquets es va convertir en dècades enrere en la indústria del radar. Avui en dia, la matriu de fases o la formació de bigues s'està convertint en una necessitat per a la comunicació digital. ...
[EN] This paper presents a very broadband (5-40 GHz) novel three dimension (3-D) printed Transverse ElectroMagnetic (TEM) horn antenna. It is integrated with a planar Printed Circuit Board and radiates in a perpendicular ...
Muller, Andrei A.; Soto Pacheco, Pablo; Dascalu, Dan; Neculoiu, Dan; Boria Esbert, Vicente Enrique(Institute of Electrical and Electronics Engineers (IEEE), 2011-06)
This letter proposes a spherical 3-D Smith Chart suitable for representing both active and passive microwave circuits. Using the mathematical concept of the Riemann sphere, the extended reflection coefficient plane is ...
Some works on the researchers cooperation's literature provide the key lines for building research networks and propose new protocols and standards for business to business (B2B) data exchange, but none of them explains ...
Escolano Carrasco, José; Xiang, Ning; Pérez-Lorenzo, José M.; Cobos Serrano, Máximo; López Monfort, José Javier(Acoustical Society of America, 2014-02)
Sound source localization using a two-microphone array is an active area of research, with considerable potential for use with video conferencing, mobile devices, and robotics. Based on the observed time-differences of ...
Escolano Carrasco, José; Pérez Lorenzo, José Manuel; Xiang, Ning; Cobos Serrano, Máximo; López Monfort, José Javier(Acoustical Society of America, 2012-09)
The localization of active speakers with microphone arrays is an active research line with a considerable interest in many acoustic areas. Many algorithms for source localization are based on the computation of the Generalized ...
Gallo, Michelle; Antonino Daviu, Eva; Ferrando Bataller, Miguel; Bozzetti, Michele; Molina García-Pardo, José María; Juan Llacer, Leandro(Institute of Electrical and Electronics Engineers (IEEE), 2012-03)
An annular slot antenna suitable for pattern diversity in wideband applications is presented. Pattern diversity is obtained by feeding the antenna simultaneously with two microstrip lines printed on the back of the substrate, ...
Aamer, Mariam; Gutiérrez Campo, Ana María; Brimont, Antoine Christian Jacques; Vermeulen, Diedrik; Roelkens, Gunther; Fedeli, Jean-Marc; Håkansson, Ola Andreas; Sanchis Kilders, Pablo(Institute of Electrical and Electronics Engineers (IEEE), 2012-11-15)
[EN] A polarization rotator in silicon-on-insulator technology based on breaking the symmetry of the waveguide cross section is reported. The 25-mu m-long device is designed to be integrated with standard grating couplers ...
[EN] New Internet Protocol Television (IPTV) services are including new technologies such as Stereoscopic TV and three-dimensions (3D) HDTV. As well, increased ubiquitous networking and promoting in smart devices have led ...
Bernabeu Jiménez, Tomás; Valero-Nogueira, Alejandro; Vico Bondía, Felipe; Kishk, Ahmed A(Institute of Electrical and Electronics Engineers, 2017)
[EN] Here, some aspects in the interpretation of the solutions
of a PEC infinite circular cylinder with the Theory of Characteristic
Modes are presented. First, natural resonances and characteristic mode
resonances (CMRs) ...
The Transmission Line loudspeaker is an audio loudspeaker enclosure topology devoted to extending the low frequency range near the loudspeaker frequency resonance. A few models based on physical properties of damped pipes ...
Pérez Pascual, Mª Asunción; Bruno, Julián S.; Almenar Terre, Vicenç; Valls Coquillat, Javier(Institute of Electrical and Electronics Engineers, 2020-04-01)
[EN] Recently, Half-Cycle Nyquist Subcarrier Modulation (HC-SCM) was proposed to achieve high spectral efficiency in intensity-modulator direct-detection optical links. This paper shows that the HC-SCM scheme has a high ...
Vargas Hernández, Tito Raúl(Universitat Politècnica de València, 2023-04-18)
[ES] La distribución de contenidos multimedia, tanto a través de Internet como de redes gestionadas dedicadas exclusivamente a este fin, está teniendo una mayor cuota del tráfico total y crece cada día, especialmente el ...
Lucas Borja, Alejandro; Carbonell Olivares, Jorge; Martínez Pérez, Jorge Daniel; Boria Esbert, Vicente Enrique; Lippens, Didier(Institute of Electrical and Electronics Engineers (IEEE), 2011)
This letter presents a tunable bandwidth bandpass
filter based on varactor-loaded metamaterial coplanar waveguide
(CPW) lines. The CPW lines are based on series gaps and
split-ring resonators. The varactors are ...
Nowadays, several wireless location systems have been developed in the research world. The goal of these systems has always been to find as greatest accuracy as possible. But, if every node takes data from the environment, ...
Hamrioui, Sofiane; Lorenz, Pascal; Lloret, Jaime; Lalam, Mustapha(University Computing Centre Zagreb, 2013)
This paper presents firstly a study of interactions between
two routing protocols (AODV, DSR) and two transport
protocol versions (TCP New Reno, Vegas). After this
study, we conduct some simulations to analyze the ...