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Article Dans Une Revue IEEE Antennas and Wireless Propagation Letters Année : 2023

A Dual-CP Multibeam Transmit-Array Antenna Based on Anisotropic Impedance Surfaces and Hybrid Phase Compensation

Résumé

In this letter, a dual-circularly polarized (dual-CP) multibeam transmit-array (TA) antenna is proposed and demonstrated based on anisotropic impedance surfaces (AISs) and hybrid phase compensation strategy. A set of eight fully planarized TA cells based on cascaded AISs are designed with a constant dynamic phase difference between each other, possessing a periodicity of 0.48λ0 × 0.48λ0 and a total thickness of 0.71λ0, where λ0 is the free-space wavelength at center frequency. By introducing Berry phase determined rotation angles on the eight designed cells, dual-CP transmissive phase delays can be achieved independently. Moreover, planar dual-CP antenna arrays are designed and utilized as the feed cluster of the multibeam TA. The bifocal dual-CP multibeam TA antenna generates eight RHCP beams and eight LHCP beams. The measured peak gain values are between 21.1 and 23.7 dBic, whereas the AR values are all below 3 dB for all the beams. © 2002-2011 IEEE.
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hal-04128097 , version 1 (21-06-2023)

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Paternité - Pas d'utilisation commerciale

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Xuanfeng Tong, Zhi Hao Jiang, Hao Chen, Fan Wu, Jingyang Cao, et al.. A Dual-CP Multibeam Transmit-Array Antenna Based on Anisotropic Impedance Surfaces and Hybrid Phase Compensation. IEEE Antennas and Wireless Propagation Letters, 2023, 22 (5), pp.1144-1148. ⟨10.1109/LAWP.2023.3234699⟩. ⟨hal-04128097⟩
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