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Listar por autor "Bernardo Clemente, Bernardo"

Mostrando ítems 1-20 de 26

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8 x 8 Ka-Band Dual-Polarized Array Antenna Based on Gap Waveguide Technology

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 ...
Análisis experimental del canal MIMO masivo en un entorno de oficina en ondas milimétricas

Avellán, Cristina; Rubio Arjona, Lorenzo; Torres, Rafael P.; Bernardo-Clemente, Bernardo; Rodrigo Peñarrocha, Vicent Miquel; Reig, Juan; Pérez, Jesús R.; Valle, Luis; Fernández, Hermán (Íñigo Cuiñas Gómez, 2021-09-24)

[EN] Massive multiple-input multiple-output (MIMO) is considered an enabling technology to achieve large capacities in multi-user scenarios in the upcoming mobile networks (5G and beyond). In this paper, the performance ...
Caracterización electromagnética de materiales en diferentes bandas de frecuencia

Pérez Beltrán, Laura (Universitat Politècnica de València, 2022-10-15)

[ES] El TFG investigará la caracterización electromagnética de materiales en diferentes bandas de frecuencia, comparando diversos métodos de medida (medidas en espacio libre, empleo de resonadores y método basado en líneas ...
Compact Combline Filter Embedded in a Bed of Nails

Baquero Escudero, Mariano; Valero-Nogueira, Alejandro; Ferrando-Rocher, Miguel; Bernardo Clemente, Bernardo; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2019-04)

[EN] In this paper, we propose a compact topology for high-frequency bandpass filters using coaxial cavities embedded in a bed of nails, including a complete design procedure combining equivalent circuit models and full-wave ...
Dual Circularly Polarized Aperture Array Antenna in Gap Waveguide for High-Efficiency Ka-Band Satellite Communications

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo-Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2020)

[EN] A novel fully metallic Ka-band dual circularly polarized antenna array is presented in this contribution. It consists of 64 circular apertures (8x8) and it is implemented in gap waveguide technology. The antenna ...
Empirical modeling of diffuse scattering at millimeter wave frequencies

Andani, Francisco Javier; Rubio Arjona, Lorenzo; FERNÁNDEZ GONZÁLEZ, HERMAN ANTONIO; Bernardo-Clemente, Bernardo; Rodrigo Peñarrocha, Vicent Miquel; Reig, Juan; Pérez, Jesús; TORRES JIMÉNEZ, RAFAEL PEDRO; Valle, Luis (IEEE, 2022-07-15)

[EN] Propagation channel models based on ray-tracing techniques can estimate the specular multipath components (MPCs) reaching the receiver antenna, but have difficulties to estimate the diffuse components. In this work, ...
Experimental Rician K-factor characterization in a laboratory environment at the 25 to 40 GHz frequency band

Bernardo-Clemente, Bernardo; Fernández, Herman; Rodrigo Peñarrocha, Vicent Miquel; Reig, Juan; Rubio Arjona, Lorenzo (IEEE, 2020-07-10)

[EN] In this work, an analysis of the Rician K-factor in a laboratory environment from 25 to 40 GHz has been carried out. The variation of the estimated K-factor has been assessed in frequency from a channel measurements ...
Full-Metal K-Ka Dual-Band Shared-Aperture Array Antenna Fed by Combined Ridge-Groove Gap Waveguide

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2019-07)

[EN] This letter presents an 8 x 8 dual-band shared-aperture array antenna operating in K-(19.5-21.5 GHz) and Ka-band (29-31 GHz) using gap waveguide technology. Radiating elements consist of circular apertures located on ...
Groove Gap Waveguide as an alternative to rectangular waveguide for H-plane components

Berenguer Verdú, Antonio José; Sánchez-Escuderos, Daniel; Bernardo Clemente, Bernardo; Baquero Escudero, Mariano; Boria Esbert, Vicente Enrique (Institution of Engineering and Technology (IET), 2016-05-25)

A comparative study between groove gap waveguide (GGW) technology and classical H-plane rectangular waveguide (RWG) technology is presented by evaluating their performance in the implementation of a narrow-band filter at ...
Guía de onda ranurada con polarización circular conmutable en banda Ka y usando tecnología Gap Waveguide

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo-Clemente, Bernardo (Universidad de Málaga, 2020-09-04)

[ES] Se presenta una guia de onda ranurada con polarizacion dual circular y alimentada por una guia de onda Groove Gap (GGW) y que funciona en la banda Ka. Se propone un mecanismo simple para cambiar la polarizacion circular ...
High-Efficiency Ka-Band Circularly Polarized Radial-Line Slot Array Antenna on a Bed of Nails

Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Ferrando-Rocher, Miguel; Bernardo-Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2022-05)

[EN] Radial-line slot-array antennas (RLSAs) provide an extremely simple solution to achieve high-gain circularly polarized radiation patterns without the need for complicated feeding networks or polarizers. The dielectric-filled ...
Low-Cost Ka-band Switchable RHCP/LHCP Antenna Array for Mobile SATCOM Terminal

Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Ferrando Rocher, Miguel; Bernardo Clemente, Bernardo; Vila Jiménez, Antonio; Lenormand, Regis (Institute of Electrical and Electronics Engineers, 2018)

[EN] Achieving a functional antenna for mobile satellite communications terminals in Ka-band is probably one of the most challenging tasks in current antenna engineering, particularly bearing in mind they need to be low ...
Millimeter-Wave Channel Measurements and Path Loss Characterization in a Typical Indoor Office Environment

Rubio Arjona, Lorenzo; Rodrigo Peñarrocha, Vicent Miquel; Cabedo Fabres, Marta; Bernardo-Clemente, Bernardo; Reig, Juan; Fernández, Herman; Pérez, Jesús R.; Torres, Rafael P.; Valle, Luis; Fernández, Óscar (MDPI AG, 2023-02)

[EN] In this paper, a path loss characterization at millimeter-wave (mmWave) frequencies is performed in a typical indoor office environment. Path loss results were derived from propagation channel measurements collected ...
Modelado de las pérdidas de propagación en un escenario de oficinas en bandas de milimétricas

Rubio Arjona, Lorenzo; Bernardo-Clemente, Bernardo; Rodrigo Peñarrocha, Vicent Miquel; Reig, Juan; Molina-García-Pardo, José María; Pérez, Jesús R.; Torres, Rafael P.; Fernández, Herman; Valle, Luis; Basterrechea, José; Domingo, Marta (Universidad de Málaga, 2020-09-04)

[EN] In this conference contribution, we present millimeter-wave (mmWave) propagation measurements for an office environment from 25 to 40 GHz and investigate the path loss using the most common empirical models proposed in ...
Modelado del scattering difuso en la banda de milimétricas

Andani, Francisco Javier; Rubio Arjona, Lorenzo; Bernardo-Clemente, Bernardo; Rodrigo Peñarrocha, Vicent Miquel; Reig, Juan; Pérez, Jesús R.; Torres, Rafael P.; Valle, Luis (Íñigo Cuiñas Gómez, 2021-09-24)

[EN] Propagation channel models based on ray-tracing techniques can estimate, with some details, the specular multipath components reaching the receiver antenna, but have difficulty to estimate diffuse components. In this ...
Novel Asymmetric T-Shaped Radiating Element for Circularly-Polarized Waveguide Slot Arrays

Herranz Herruzo, José Ignacio; Ferrando-Rocher, Miguel; Valero-Nogueira, Alejandro; Bernardo-Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2021-11)

[EN] Waveguide slot arrays are a widely used solution to attain linearly polarized high-gain antennas. In this article, an all-metal T-shaped radiating element is conceived with the aim to replace the usual rectangular ...
Optimización de la configuración de una sonda de canal en el dominio de la frecuencia en bandas de milimétricas

Catalá, Cristina; Bernardo-Clemente, Bernardo; Rodrigo Peñarrocha, Vicent Miquel; Rubio Arjona, Lorenzo; Reig, Juan (Íñigo Cuiñas Gómez, 2021-09-24)

[EN] In this contribution to the conference, we present different methods to improve the dynamic range of mobile radio channel measurements using a channel sounder in the frequency domain for millimeter wave (mmWave) ...
Performance Assessment of Gap Waveguide Array Antennas: CNC Milling vs. 3D Printing

Ferrando-Rocher, Miguel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Bernardo Clemente, Bernardo (Institute of Electrical and Electronics Engineers, 2018)

[EN] This letter focuses on comparing manufacturing features of three-dimensional (3-D) printing techniques versus conventional computer numerical control (CNC) milling in the context of gap waveguide technology. To this ...
Planar Wideband Antenna Designs for Wireless Applications in Portable Devices

Antonino Daviu, Eva; Sonkki, Marko; Cabedo Fabrés, Marta; Ferrando Bataller, Miguel; Salonen, Erkki T.; Sánchez Escuderos, Daniel; Herranz Herruzo, José Ignacio; Valero-Nogueira, Alejandro; Baquero Escudero, Mariano; Rodrigo Peñarrocha, Vicent Miquel; Vila Jiménez, Antonio; Bernardo Clemente, Bernardo; Vico Bondía, Felipe (Instituto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), 2014)

[EN] This paper summarizes the research that has been developed by the authors for the last six years, concerning the design of planar wideband antennas for portable devices. Basic structures combining electric and magnetic ...
Printed Multimode Antenna for MIMO Systems

Antonino Daviu, Eva; Cabedo Fabrés, Marta; Bernardo Clemente, Bernardo; Ferrando Bataller, Miguel (Taylor and Francis, 2011)

A compact printed multimode antenna for Multiple-Input Multiple-Output (MIMO) systems is presented. The antenna consists of a slotted metallic ring antenna excited by four L-shaped microstrip feeding lines, which are ...