Exploració per autor "Zhou, Ivan"
Ara es mostren els items 1-8 de 8
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3D Beamsteering low complexity reconfingurable multilevel antenna
Zhou, Ivan (Universitat Politècnica de Catalunya, 2020-06-30)
Projecte Final de Màster Oficial
Accés obertBeamforming, in its many variants, is a key spatial processing technique to improve user throughput, system capacity, system coverage as well as reducing interference. Simple architectures enabling beamforming either in ... -
Microstrip-fed 3D-printed H-sectorial horn phased array
Zhou, Ivan; Pradell i Cara, Lluís; López Villegas, José María; Vidal Martínez, Neus; Albert Gali, Miquel; Jofre Roca, Lluís; Romeu Robert, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2022-07-16)
Article
Accés obertA 3D-printed phased array consisting of four H-Sectorial horn antennas of 200 g weight with an ultra-wideband rectangular-waveguide-to-microstrip-line transition operating over the whole LMDS and K bands (24.25–29.5 GHz) ... -
Photonic correlators for passive imaging using synthetic aperture radiometry in the microwave band
Zhou, Ivan (Universitat Politècnica de Catalunya, 2019-01-30)
Treball Final de Grau
Accés obertSynthetic aperture radiometers (SAR) is based fundamentally on receiving the natural radiation from a body with an array of N antennas, in order to retrieve the image of the scene the cross correlation between all the ... -
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 ... -
Technologies for injection molded antennas for mass production
Zhou, Ivan (Universitat Politècnica de Catalunya, 2023-01-19)
Tesi
Accés obert(English) The deployment of 5G antenna infrastructure and the mandatory adoption of anti-collision radars for automotive cars will require large amount of antennas operating in the millimeter and sub-millimeter wavelength. ... -
Technology assessment of aperture coupled slot antenna array in Groove Gapwaveguide for 5G millimeter wave applications
Zhou, Ivan; Jofre Roca, Lluís; Romeu Robert, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Article
Accés obertA compact triple-layer series fed slot unit array using Groove Gap Waveguide (GGW) technology for 5G millimeter-wave applications is presented in this paper. The design employed a two-step coupling mechanism for the radiating ... -
Three-Dimensional beamsteering low complexity reconfigurable multilevel antenna
Zhou, Ivan; Ramírez Arroyave, Germán Augusto; Montero Bayo, Luca; Blanch Boris, Sebastián; Romeu Robert, Jordi; Jofre Roca, Lluís (2020-04)
Article
Accés obertA low-complexity reconfigurable antenna (RA) capable of steering its beam into nine different directions corresponding to ¿={-42°,0°,42°} in the ¿={25°,0°,155°} planes, and ¿=±25° in the ¿=90° plane, using a reduced number ... -
Ultra-wideband narrow wall waveguide-to-microstrip transition using overlapped patches
Zhou, Ivan; Romeu Robert, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2022-04-12)
Article
Accés obertAn ultrawideband rectangular waveguide to microstrip line transition operating at the whole LMDS and Ka band is presented. The transition is based on exciting three overlapped transversal patches that radiate into the ...