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2-Bit Reconfigurable Unit-Cell and Electronically Steerable Transmitarray at Ka-Band

Abstract : This paper presents the design, optimization, fabrication, and characterization of an electronically steerable transmitarray with 2 bits of phase quantization per unit cell. The proposed transmitarray operates in linear polarization at Ka-band and is composed of 14W14 reconfigurable unit-cells. Four p-i-n diodes are integrated on each unit-cell to control the radiated field phase distribution across the transmitarray aperture. The prototype demonstrates experimentally pencil beam scanning over a 120W120-degree window, a maximum gain at broadside of 19.8 dBi, and a 3-dB fractional bandwidth of 16.2%.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-02516789
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Submitted on : Tuesday, March 24, 2020 - 9:48:31 AM
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Fatimata Diaby, Antonio Clemente, Ronan Sauleau, Kien Pham, Laurent Dussopt. 2-Bit Reconfigurable Unit-Cell and Electronically Steerable Transmitarray at Ka-Band. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2020, 68 (6), pp.5003-5008. ⟨10.1109/TAP.2019.2955655⟩. ⟨hal-02516789⟩

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