A W-Band Circular Box-Horn Antenna Array Radiating Sum and Difference Beams with Suppressed Sidelobe

Rong Shen; Xiuzhu Ye; Jinhua Xie; Zhijiao Chen; Cheng Jin

doi:10.1109/TAP.2019.2920358

A W-Band Circular Box-Horn Antenna Array Radiating Sum and Difference Beams with Suppressed Sidelobe

Rong Shen, Xiuzhu Ye^*, Jinhua Xie, Zhijiao Chen, Cheng Jin

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

A circular aperture box-horn array antenna operating in W-band, with sum and difference radiation beams, is presented in this paper. The circular aperture provides maximum usage efficiency of the area, which is well suited for a rotational platform. Nonuniform power distribution is applied for the radiating elements, contributing to a radiation pattern with suppressed sidelobe. In order to fit into the circular aperture, the feed networks are optimally arranged on a compact two-planar layer with four quadrants fed by the sum-difference network. The antenna array, along with its full-corporate feed networks, has a low profile and is easy to be machined. Measured results show that the peak gain is over 35.6 dBi from 92 to 94 GHz, with up to -21 dBi sidelobe level. In addition, the sum-difference contradictions are less than 4 dB, and the nulls of difference beams are below -25 dB.

Original language	English
Article number	8745696
Pages (from-to)	5934-5942
Number of pages	9
Journal	IEEE Transactions on Antennas and Propagation
Volume	67
Issue number	9
DOIs	https://doi.org/10.1109/TAP.2019.2920358
Publication status	Published - Sept 2019

Keywords

Array antenna
low-sidelobe
millimeter wave
sum-difference network

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10.1109/TAP.2019.2920358

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title = "A W-Band Circular Box-Horn Antenna Array Radiating Sum and Difference Beams with Suppressed Sidelobe",

abstract = "A circular aperture box-horn array antenna operating in W-band, with sum and difference radiation beams, is presented in this paper. The circular aperture provides maximum usage efficiency of the area, which is well suited for a rotational platform. Nonuniform power distribution is applied for the radiating elements, contributing to a radiation pattern with suppressed sidelobe. In order to fit into the circular aperture, the feed networks are optimally arranged on a compact two-planar layer with four quadrants fed by the sum-difference network. The antenna array, along with its full-corporate feed networks, has a low profile and is easy to be machined. Measured results show that the peak gain is over 35.6 dBi from 92 to 94 GHz, with up to -21 dBi sidelobe level. In addition, the sum-difference contradictions are less than 4 dB, and the nulls of difference beams are below -25 dB.",

keywords = "Array antenna, low-sidelobe, millimeter wave, sum-difference network",

author = "Rong Shen and Xiuzhu Ye and Jinhua Xie and Zhijiao Chen and Cheng Jin",

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AU - Ye, Xiuzhu

AU - Xie, Jinhua

AU - Chen, Zhijiao

AU - Jin, Cheng

PY - 2019/9

Y1 - 2019/9

N2 - A circular aperture box-horn array antenna operating in W-band, with sum and difference radiation beams, is presented in this paper. The circular aperture provides maximum usage efficiency of the area, which is well suited for a rotational platform. Nonuniform power distribution is applied for the radiating elements, contributing to a radiation pattern with suppressed sidelobe. In order to fit into the circular aperture, the feed networks are optimally arranged on a compact two-planar layer with four quadrants fed by the sum-difference network. The antenna array, along with its full-corporate feed networks, has a low profile and is easy to be machined. Measured results show that the peak gain is over 35.6 dBi from 92 to 94 GHz, with up to -21 dBi sidelobe level. In addition, the sum-difference contradictions are less than 4 dB, and the nulls of difference beams are below -25 dB.

AB - A circular aperture box-horn array antenna operating in W-band, with sum and difference radiation beams, is presented in this paper. The circular aperture provides maximum usage efficiency of the area, which is well suited for a rotational platform. Nonuniform power distribution is applied for the radiating elements, contributing to a radiation pattern with suppressed sidelobe. In order to fit into the circular aperture, the feed networks are optimally arranged on a compact two-planar layer with four quadrants fed by the sum-difference network. The antenna array, along with its full-corporate feed networks, has a low profile and is easy to be machined. Measured results show that the peak gain is over 35.6 dBi from 92 to 94 GHz, with up to -21 dBi sidelobe level. In addition, the sum-difference contradictions are less than 4 dB, and the nulls of difference beams are below -25 dB.

KW - Array antenna

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KW - millimeter wave

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A W-Band Circular Box-Horn Antenna Array Radiating Sum and Difference Beams with Suppressed Sidelobe

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Keywords

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