A Flush-Mounted Quasi-Full-Space Beam-Scanning Cylindrical Phased Array

Xiao Ding; You-Feng Cheng; Xue-Song  Yang; Bing-Zhong Wang; Dimitrios E. Anagnostou

doi:10.1109/TAP.2019.2916457

A Flush-Mounted Quasi-Full-Space Beam-Scanning Cylindrical Phased Array

Xiao Ding, You-Feng Cheng, Xue-Song Yang, Bing-Zhong Wang, Dimitrios E. Anagnostou

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15 Citations (Scopus)

201 Downloads (Pure)

Abstract

A cylindrical phased array (CPA) for quasi-full-space wide-Angle scanning is presented. The quasi-full-space scanning is achieved by combining a pattern reconfigurable technique with a subarray scanning method. The pattern reconfigurable technique achieves wide-Angle scanning in the elevation plane of the cylindrical carrier, while the subarray scanning ensures omnidirectional coverage in the azimuth plane of the cylindrical carrier by employing the CPA circumferential elements. Furthermore, a covariance matrix adaptation evolution strategy (CMA-ES) is used to optimize the quasi-full-space scanning performance. The proposed approach provides superior performance of sidelobe level (SLL <-6.1 dB), particularly small gain fluctuation (±0.75 dB) when scanning from-88°to +88° in the elevation plane of the cylindrical carrier, and smooth omnidirectional coverage with a gain fluctuation of only ±0.1 dB in the azimuth plane of the cylindrical carrier. The array supporting structure, including the control circuits, feed lines, p-i-n diode switches, and the radiating magnetic current elements are fabricated on or underneath the metallic ground plane.

Original language	English
Pages (from-to)	4883-4888
Number of pages	6
Journal	IEEE Transactions on Antennas and Propagation
Volume	67
Issue number	7
Early online date	17 May 2019
DOIs	https://doi.org/10.1109/TAP.2019.2916457
Publication status	Published - Jul 2019

Keywords

Covariance matrix adaptation evolution strategy (CMA-ES)
cylindrical phased array (CPA)
magnetic current
pattern reconfigurable antennas
wide-Angle beam scanning

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TAP.2019.2916457

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title = "A Flush-Mounted Quasi-Full-Space Beam-Scanning Cylindrical Phased Array",

abstract = "A cylindrical phased array (CPA) for quasi-full-space wide-Angle scanning is presented. The quasi-full-space scanning is achieved by combining a pattern reconfigurable technique with a subarray scanning method. The pattern reconfigurable technique achieves wide-Angle scanning in the elevation plane of the cylindrical carrier, while the subarray scanning ensures omnidirectional coverage in the azimuth plane of the cylindrical carrier by employing the CPA circumferential elements. Furthermore, a covariance matrix adaptation evolution strategy (CMA-ES) is used to optimize the quasi-full-space scanning performance. The proposed approach provides superior performance of sidelobe level (SLL <-6.1 dB), particularly small gain fluctuation (±0.75 dB) when scanning from-88°to +88° in the elevation plane of the cylindrical carrier, and smooth omnidirectional coverage with a gain fluctuation of only ±0.1 dB in the azimuth plane of the cylindrical carrier. The array supporting structure, including the control circuits, feed lines, p-i-n diode switches, and the radiating magnetic current elements are fabricated on or underneath the metallic ground plane.",

keywords = "Covariance matrix adaptation evolution strategy (CMA-ES), cylindrical phased array (CPA), magnetic current, pattern reconfigurable antennas, wide-Angle beam scanning",

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AU - Anagnostou, Dimitrios E.

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AB - A cylindrical phased array (CPA) for quasi-full-space wide-Angle scanning is presented. The quasi-full-space scanning is achieved by combining a pattern reconfigurable technique with a subarray scanning method. The pattern reconfigurable technique achieves wide-Angle scanning in the elevation plane of the cylindrical carrier, while the subarray scanning ensures omnidirectional coverage in the azimuth plane of the cylindrical carrier by employing the CPA circumferential elements. Furthermore, a covariance matrix adaptation evolution strategy (CMA-ES) is used to optimize the quasi-full-space scanning performance. The proposed approach provides superior performance of sidelobe level (SLL <-6.1 dB), particularly small gain fluctuation (±0.75 dB) when scanning from-88°to +88° in the elevation plane of the cylindrical carrier, and smooth omnidirectional coverage with a gain fluctuation of only ±0.1 dB in the azimuth plane of the cylindrical carrier. The array supporting structure, including the control circuits, feed lines, p-i-n diode switches, and the radiating magnetic current elements are fabricated on or underneath the metallic ground plane.

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A Flush-Mounted Quasi-Full-Space Beam-Scanning Cylindrical Phased Array

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Dimitrios Anagnostou

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A Flush-Mounted Quasi-Full-Space Beam-Scanning Cylindrical Phased Array

Abstract

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ASJC Scopus subject areas

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Dimitrios Anagnostou

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