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Electronically-steerable transmitarray antennas for SATCOM terminals A system perspective

Abstract : The possibility of using electronically-steerable transmitarrays for future SATCOM-on-the-Move ground terminals operating at K-/Ka-bands is investigated here. Starting from realistic antenna specifications, the trade-offs between antenna architecture complexity, phase-control resolution over the radiating aperture, aperture efficiency, side lobe levels, and beam scanning performance are discussed at the antenna system level and evaluated through numerical simulations. Two designs of linearly-polarized 2-bit reconfigurable unit-cells controlled by four p-i-n diodes are proposed for downlink and uplink bands. By opportunely combining orthogonally-polarized designs based on the proposed cells, two transmitarrays achieving switchable circular polarization and fulfilling the targeted specifications are presented. © 2020 IEEE.
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https://hal.archives-ouvertes.fr/hal-02892285
Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Tuesday, July 7, 2020 - 2:35:40 PM
Last modification on : Wednesday, April 27, 2022 - 4:32:01 AM

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A. Clemente, F. Foglia Manzillo, Maciej Smierzchalski, Ronan Sauleau. Electronically-steerable transmitarray antennas for SATCOM terminals A system perspective. 2020 International Workshop on Antenna Technology, iWAT 2020, Feb 2020, Bucharest, Romania. pp.9083855, ⟨10.1109/iWAT48004.2020.1570608649⟩. ⟨hal-02892285⟩

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