A Bendable Wideband Dual-Polarization Conformal Phased Array Antenna

In this letter, we proposed a bendable wideband dual-polarization low-profile conformal phased array antenna. The antenna element is an Invert-F fed stacked-patch antenna. It provides an active VSWR < 3 for 10.7 GHz to 12.75 GHz in the principal planes. The proposed phased array antenna employs a...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2023-08, Vol.22 (8), p.1-5
Main Authors: Gan, Theng Huat, Liu, Ankang, Tan, Peng Khiang, Lu, Jian
Format: Article
Language:English
Subjects:
Antenna accessories
Antenna arrays
Antenna measurements
Antennas
Aperture antennas
Bendable
Broadband
Conformal
Curved beams
Cylindrical antennas
Dual polarization (waves)
Dual-Polarization
Low-Profile
Patch antennas
Phased Array
Phased arrays
Polarization
Wideband
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Summary:In this letter, we proposed a bendable wideband dual-polarization low-profile conformal phased array antenna. The antenna element is an Invert-F fed stacked-patch antenna. It provides an active VSWR < 3 for 10.7 GHz to 12.75 GHz in the principal planes. The proposed phased array antenna employs a row modular architecture, which enables it to bend to a cylindrical geometry. Both the antenna aperture and the active components of the conformal phased array antenna are considered for bending in the letter. A prototype conformal phased array antenna with 8 rows of 4 dual-polarization antenna element was fabricated, assembled and measured. Wide-angle beam scanning is achieved by electronically scanning along the curved axis of the cylindrical conformal phased array antenna. Moreover, there is no grating lobe when scanning down to 60°.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2023.3270431