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Wideband Antenna in Cavity Based on Metasurfaces

Abstract : A compact wideband printed antenna embedded in a half-wavelength cavity is introduced here. It consists of a strip-based metasurface printed in the cavity aperture. The principle of operation and key parameters are discussed. The numerical results are validated successfully around 2.3 GHz, and fractional -10-dB bandwidths reaching 31.8% and 34% are measured for cavity antenna prototypes without or with a surrounding ground plane, respectively. The corresponding measured radiation efficiencies and gain values at 2.3 GHz reach 92% and 87%, and 5.9 and 4.7 dBi, respectively
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01331280
Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Monday, June 13, 2016 - 4:49:18 PM
Last modification on : Wednesday, April 27, 2022 - 4:20:12 AM

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M. Martinis, L. Bernard, K. Mahdjoubi, R. Sauleau, Sylvain Collardey. Wideband Antenna in Cavity Based on Metasurfaces. IEEE Antennas and Wireless Propagation Letters, 2016, 15, pp.1053--1056. ⟨10.1109/LAWP.2015.2491609⟩. ⟨hal-01331280⟩

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