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Listar por palabra clave "Ultra-wideband (UWB)"

Mostrando ítems 1-6 de 6

A broadband pattern diversity annular slot antenna

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, ...
Combined Analysis of OFDM-UWB Transmission in Hybrid Wireless-Optical Access Networks

Morant, Maria; Pérez, Joaquin; Llorente, Roberto; Martí Sendra, Javier (Institute of Electrical and Electronics Engineers, 2009)

[EN] The hybrid wireless-optical transmission of ultra-wideband signals employing orthogonal frequency-division multiplexing modulation (OFDM) ultra-wideband (UWB) as defined in the ECMA-368 standard is experimentally ...
Experimental analysis of 60-GHz VCSEL and ECL photonic generation and transmission of impulse-radio Ultra-Wideband signals

Beltrán Ramírez, Marta; Jensen, Jesper Bevensee; Llorente Sáez, Roberto; Monroy, Idelfonso Tafur (Institute of Electrical and Electronics Engineers (IEEE), 2011-08-01)

[EN] Optical generation of impulse-radio ultra-wideband (UWB) signals in the 60-GHz band is proposed and experimentally demonstrated. External-cavity laser (ECL) and vertical-cavity surface-emitting laser (VCSEL) is employed ...
Frequency Dependence of UWB In-Body Radio Channel Characteristics

Andreu-Estellés, Carlos; Garcia-Pardo, Concepcion; Castelló-Palacios, Sergio; Vallés Lluch, Ana; Cardona Marcet, Narciso (Institute of Electrical and Electronics Engineers, 2018)

[EN] In this letter, a research of ultra-wideband in-body channel by using a high accurate phantom is performed in order to evaluate the impact of frequency dependence of human tissues on the channel characteristics. Hence, ...
Performance Comparison of OFDM-UWB Radio Signals Distribution in Long-Reach PONs Using Mach-Zehnder and Linearized Modulators

Alves, Tiago; Morant, Maria; Cartaxo, Adolfo; Llorente, Roberto (Institute of Electrical and Electronics Engineers (IEEE), 2011-06)

[EN] The performance of orthogonal frequency division multiplexing ultra wideband (UWB) radio signals distribution in long-reach passive optical networks (LR-PONs) using conventional chirp-less Mach Zehnder (MZ) and ...
Performance of a 60-GHz DCM-OFDM and BPSK-Impulse ultra-wideband system with radio-over-fiber and wireless transmission employing a directly-modulated VCSEL

Beltrán, Marta; Jensen, Jesper Bevensee; Yu, Xianbin; Llorente, Roberto; Rodes, Roberto; Ortsiefer, Markus; Neumeyr, Christian; Monroy, Idelfonso Tafur (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)

[EN] The performance of radio-over-fiber optical transmission employing vertical-cavity surface-emitting lasers (VCSELs), and further wireless transmission, of the two major ultra-wideband (UWB) implementations is reported ...

Mostrando ítems 1-6 de 6

Listar por palabra clave "Ultra-wideband (UWB)"

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Listar por palabra clave "Ultra-wideband (UWB)"