A Miniaturized 1-bit Reflective Unit Cell for Reconfigurable Intelligent Surface

The miniaturized reconfigurable 1-bit reflective unit cells are presented and designed at 28 GHz. First, the structure and the operation principle of the unit cells are presented. Then, the design and the influence of the bias circuit are discussed. The structures and simulated results show the prop...

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Bibliographic Details
Published in2023 53rd European Microwave Conference (EuMC) pp. 528 - 531
Main Authors Yin, Jiexi, Li, Yueheng, Zwick, Thomas
Format Conference Proceeding
LanguageEnglish
Published European Microwave Association (EuMA) 19.09.2023
Subjects
1-bit
Bandwidth
Costs
equivalent circuit model
Europe
Integrated circuit modeling
metasurface (MTS)
Microwave circuits
Optimization
Phase measurement
reconfigurable
reflectivity
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Summary:The miniaturized reconfigurable 1-bit reflective unit cells are presented and designed at 28 GHz. First, the structure and the operation principle of the unit cells are presented. Then, the design and the influence of the bias circuit are discussed. The structures and simulated results show the proposed 1-bit unit cell has the advantage of a compact structure, miniaturized size, and potential wide bandwidth. Finally, to verify the reconfigurable performance, the unit cell is adjusted and tested in the waveguide environment. The simulated and measured results prove the designed unit cell has a reconfigurable 1-bit reflective phase shift, which can be utilized in RIS designs.
DOI:10.23919/EuMC58039.2023.10290558