C. Jouanlanne, T. Le Nadan, M. Huchard, L. Petit, A. Clemente
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Design of a linearly-polarized 3-bit transmitarray antenna at 60 GHz
This paper presents the design of a linearly-polarized transmit array antenna at V-band. The array is based on a 3-bit unit-cell composed of two patch antennas printed on two substrates and isolated by a ground plane printed on an inner layer of the dielectric stack. A 10λ-diameter (20 unit-cells on the vertical and horizontal axes) flat array has been optimized using an ad-hoc tool based on analytical formulas and unit-cell/focal source electromagnetic simulations. The design has been validated through 3D electromagnetic simulations. An aperture efficiency of 39% and a 1-dB bandwidth of 9% have been obtained in good agreement with the numerical results.
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