Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle
Continuous beam steering approach with minimal power consumption is highly desirable in modern antenna designs. A simple mechanical method for achieving beam steering in the Fabry–Perot resonator antenna (FPRA) is presented. It involves rotating the upper phase gradient metasurface (PGM) mechanicall...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/178573 |
| _version_ | 1826120619826085888 |
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| author | Liu, Yufeng Zhu, Lele Zhang, Wenmei Wang, Wensong |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Liu, Yufeng Zhu, Lele Zhang, Wenmei Wang, Wensong |
| author_sort | Liu, Yufeng |
| collection | NTU |
| description | Continuous beam steering approach with minimal power consumption is highly desirable in modern antenna designs. A simple mechanical method for achieving beam steering in the Fabry–Perot resonator antenna (FPRA) is presented. It involves rotating the upper phase gradient metasurface (PGM) mechanically to change the aperture phase distribution, so the beam is continuously steered in the azimuthal plane while maintaining a large elevation angle. The proposed PGM unit cell comprises a hexagonal ring and patch printed on both sides of the substrate, along with a honeycomb lattice. A prototype antenna operating at 5.65 GHz is fabricated and measured to validate the feasibility. Measurement results show that the FPRA achieves a gain of 14.9 dBi, and can continuously steer its beam in the azimuthal plane with an elevation angle of around θ = 50°. Measured radiation patterns in eight azimuthal directions (φ = 0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315°) are consistent with the simulated results. Compared with other electrical tuning methods, our design has a compact size and requires lower power for the PGM rotation. |
| first_indexed | 2024-10-01T05:19:24Z |
| format | Journal Article |
| id | ntu-10356/178573 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T05:19:24Z |
| publishDate | 2024 |
| record_format | dspace |
| spelling | ntu-10356/1785732024-06-28T15:39:49Z Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle Liu, Yufeng Zhu, Lele Zhang, Wenmei Wang, Wensong School of Electrical and Electronic Engineering Engineering Beam steering Fabry‐Perot resonators Continuous beam steering approach with minimal power consumption is highly desirable in modern antenna designs. A simple mechanical method for achieving beam steering in the Fabry–Perot resonator antenna (FPRA) is presented. It involves rotating the upper phase gradient metasurface (PGM) mechanically to change the aperture phase distribution, so the beam is continuously steered in the azimuthal plane while maintaining a large elevation angle. The proposed PGM unit cell comprises a hexagonal ring and patch printed on both sides of the substrate, along with a honeycomb lattice. A prototype antenna operating at 5.65 GHz is fabricated and measured to validate the feasibility. Measurement results show that the FPRA achieves a gain of 14.9 dBi, and can continuously steer its beam in the azimuthal plane with an elevation angle of around θ = 50°. Measured radiation patterns in eight azimuthal directions (φ = 0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315°) are consistent with the simulated results. Compared with other electrical tuning methods, our design has a compact size and requires lower power for the PGM rotation. Published version This work was supported by the National Natural Science Foundation of China (Grant 62071282). 2024-06-26T06:48:34Z 2024-06-26T06:48:34Z 2024 Journal Article Liu, Y., Zhu, L., Zhang, W. & Wang, W. (2024). Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle. IET Microwaves, Antennas and Propagation, 18(6), 413-421. https://dx.doi.org/10.1049/mia2.12471 1751-8725 https://hdl.handle.net/10356/178573 10.1049/mia2.12471 2-s2.0-85187439293 6 18 413 421 en IET Microwaves, Antennas and Propagation © 2024 The Authors. IET Microwaves, Antennas & Propagation published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made. application/pdf |
| spellingShingle | Engineering Beam steering Fabry‐Perot resonators Liu, Yufeng Zhu, Lele Zhang, Wenmei Wang, Wensong Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle |
| title | Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle |
| title_full | Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle |
| title_fullStr | Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle |
| title_full_unstemmed | Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle |
| title_short | Mechanical azimuthal beam-steering Fabry–Perot resonator antenna with large deflection angle |
| title_sort | mechanical azimuthal beam steering fabry perot resonator antenna with large deflection angle |
| topic | Engineering Beam steering Fabry‐Perot resonators |
| url | https://hdl.handle.net/10356/178573 |
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