A 2 bit Circularly Polarized Reconfigurable Reflectarray Using p-i-n-Diode-Tuned Crossed-Bowtie Patch Elements - Université de Rennes Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Antennas and Propagation Année : 2023

A 2 bit Circularly Polarized Reconfigurable Reflectarray Using p-i-n-Diode-Tuned Crossed-Bowtie Patch Elements

Fan Wu
Xiaoyue Xia
Jingxue Wang
Zhi Hao Jiang
Wei Hong

Résumé

A wideband, wide-scanning-angle, and high-efficiency 2 bit circularly polarized (CP) reconfigurable reflectarray (RRA) is presented for 2-D dynamic beam control. The reflectarray is achieved using tunable elements based on crossed-bowtie patches with annually distributed p-i-n diode loadings. By squeezing two interlaced crossed-bowtie patches into a single unit-cell and making them strongly coupled, doubled phase state and drastically extended element bandwidth are simultaneously obtained. In addition, simple biasing circuitry and low-loss reconfigurable mechanism are also introduced. The fabricated 16×162 -D beam-scanning reflectarray working at X-band demonstrates experimentally a 3 dB gain and axial ratio (AR) bandwidth of 22%, a peak gain of 24.5 dBic, an aperture efficiency of 35%, sidelobe levels of around −20 dB, and a scanning range up to ±60°. With such well-rounded performances, the proposed reflectarray design, which realizes 2-D CP beam scanning, can be a competitive candidate for space and satellite communications.
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Licence : CC BY NC - Paternité - Pas d'utilisation commerciale

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hal-04244263 , version 1 (30-11-2023)

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Paternité - Pas d'utilisation commerciale

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Fan Wu, Wu-Guang Zhao, Xiaoyue Xia, Jingxue Wang, Zhi Hao Jiang, et al.. A 2 bit Circularly Polarized Reconfigurable Reflectarray Using p-i-n-Diode-Tuned Crossed-Bowtie Patch Elements. IEEE Transactions on Antennas and Propagation, 2023, 71 (9), pp.7299-7309. ⟨10.1109/TAP.2023.3291773⟩. ⟨hal-04244263⟩
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