Beaskoetxea Gartzia, Unai

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Beaskoetxea Gartzia

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Unai

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Ingeniería Eléctrica y Electrónica

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Now showing 1 - 2 of 2
  • PublicationOpen Access
    77-GHz high-gain bull’s-eye antenna with sinusoidal profile
    (IEEE, 2015) Beaskoetxea Gartzia, Unai; Pacheco-Peña, Víctor; Orazbayev, Bakhtiyar; Akalin, Tahsin; Maci, Stefano; Navarro Cía, Miguel; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    A high-gain Bull’s-Eye leaky-wave horn antenna working at 77 GHz with sinusoidal profile has been designed, fabricated, and experimentally measured. The influence of the number of periods on the gain and beamwidth is numerically investigated. Experimental measurements show a high gain of 28.9 dB, with low sidelobe level and a very narrow beamwidth in good agreement with results obtained from simulations.
  • PublicationOpen Access
    3D-printed 96 GHz bull’s-eye antenna with off-axis beaming
    (IEEE, 2017) Beaskoetxea Gartzia, Unai; Maci, Stefano; Navarro Cía, Miguel; Beruete Díaz, Miguel; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    Reducing the profile, footprint and weight of antennas embarked on aircrafts, drones or satellites has been a long pursued objective. Here we tackle this issue by developing a millimeter-wave 96 GHz elliptical Bull’s-Eye antenna with off-axis radiation at 16.5° that has been fabricated by low cost 3-D printing stereolithography, followed by metal coating. The theoretical basis for optimum off-axis operations is explained. Measurement results show an overall good agreement with simulations, displaying a gain of 17 dB and a 3.5° beamwidth (E-plane) at the operational frequency. The off-axis beaming enlarges the potential applicability of this technology with respect to the broadside beam solution.