On the Design of Low Sidelobe Reflectarray with Enhanced Bandwidth at Ku-band

Muhammad Wasif Niaz; Yingzeng Yin; Shufeng Zheng; Jingdong Chen

On the Design of Low Sidelobe Reflectarray with Enhanced Bandwidth at Ku-band

Muhammad Wasif Niaz, Yingzeng Yin, Shufeng Zheng, Jingdong Chen

School of Marine Science and Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

A low sidelobe reflectarray with enhanced bandwidth is designed in this paper. Low sidelobes are achieved by using a logarithmic spiral lattice for placement of unit cells on the reflectarray aperture. The unit cell is made up of a circular ring enclosing a rounded I-shaped dipole, which gives a smooth phase versus frequency response. The size of unit cells is much smaller than λ_o/2, which results in a large number of unit cells on the reflectarray aperture and an increased overall efficiency of the reflelctarray. A 665-element reflectarray is designed and simulated, which gives a 1-dB gain bandwidth of 7.5% and -20-dB sidelobe level (SLL) bandwidth of 6.25% with a 60% aperture efficiency at 16 GHz.

Original language	English
Title of host publication	13th European Conference on Antennas and Propagation, EuCAP 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9788890701887
State	Published - Mar 2019
Event	13th European Conference on Antennas and Propagation, EuCAP 2019 - Krakow, Poland Duration: 31 Mar 2019 → 5 Apr 2019

Publication series

Name	13th European Conference on Antennas and Propagation, EuCAP 2019

Conference

Conference	13th European Conference on Antennas and Propagation, EuCAP 2019
Country/Territory	Poland
City	Krakow
Period	31/03/19 → 5/04/19

Keywords

Aperiodic reflectarray
broadband reflectarray
high-efficiency reflectarray
logarithmic spiral lattice
low sidelobe reflectarray

Cite this

@inproceedings{b30c9b00f5bd4305ab697b8c01be4fe2,

title = "On the Design of Low Sidelobe Reflectarray with Enhanced Bandwidth at Ku-band",

abstract = "A low sidelobe reflectarray with enhanced bandwidth is designed in this paper. Low sidelobes are achieved by using a logarithmic spiral lattice for placement of unit cells on the reflectarray aperture. The unit cell is made up of a circular ring enclosing a rounded I-shaped dipole, which gives a smooth phase versus frequency response. The size of unit cells is much smaller than λo/2, which results in a large number of unit cells on the reflectarray aperture and an increased overall efficiency of the reflelctarray. A 665-element reflectarray is designed and simulated, which gives a 1-dB gain bandwidth of 7.5% and -20-dB sidelobe level (SLL) bandwidth of 6.25% with a 60% aperture efficiency at 16 GHz.",

keywords = "Aperiodic reflectarray, broadband reflectarray, high-efficiency reflectarray, logarithmic spiral lattice, low sidelobe reflectarray",

author = "Niaz, {Muhammad Wasif} and Yingzeng Yin and Shufeng Zheng and Jingdong Chen",

note = "Publisher Copyright: {\textcopyright} 2019 European Association on Antennas and Propagation.; 13th European Conference on Antennas and Propagation, EuCAP 2019 ; Conference date: 31-03-2019 Through 05-04-2019",

year = "2019",

month = mar,

language = "英语",

series = "13th European Conference on Antennas and Propagation, EuCAP 2019",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

booktitle = "13th European Conference on Antennas and Propagation, EuCAP 2019",

}

Niaz, MW, Yin, Y, Zheng, S & Chen, J 2019, On the Design of Low Sidelobe Reflectarray with Enhanced Bandwidth at Ku-band. in 13th European Conference on Antennas and Propagation, EuCAP 2019., 8740147, 13th European Conference on Antennas and Propagation, EuCAP 2019, Institute of Electrical and Electronics Engineers Inc., 13th European Conference on Antennas and Propagation, EuCAP 2019, Krakow, Poland, 31/03/19.

On the Design of Low Sidelobe Reflectarray with Enhanced Bandwidth at Ku-band. / Niaz, Muhammad Wasif; Yin, Yingzeng; Zheng, Shufeng et al.
13th European Conference on Antennas and Propagation, EuCAP 2019. Institute of Electrical and Electronics Engineers Inc., 2019. 8740147 (13th European Conference on Antennas and Propagation, EuCAP 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - On the Design of Low Sidelobe Reflectarray with Enhanced Bandwidth at Ku-band

AU - Niaz, Muhammad Wasif

AU - Yin, Yingzeng

AU - Zheng, Shufeng

AU - Chen, Jingdong

PY - 2019/3

Y1 - 2019/3

N2 - A low sidelobe reflectarray with enhanced bandwidth is designed in this paper. Low sidelobes are achieved by using a logarithmic spiral lattice for placement of unit cells on the reflectarray aperture. The unit cell is made up of a circular ring enclosing a rounded I-shaped dipole, which gives a smooth phase versus frequency response. The size of unit cells is much smaller than λo/2, which results in a large number of unit cells on the reflectarray aperture and an increased overall efficiency of the reflelctarray. A 665-element reflectarray is designed and simulated, which gives a 1-dB gain bandwidth of 7.5% and -20-dB sidelobe level (SLL) bandwidth of 6.25% with a 60% aperture efficiency at 16 GHz.

AB - A low sidelobe reflectarray with enhanced bandwidth is designed in this paper. Low sidelobes are achieved by using a logarithmic spiral lattice for placement of unit cells on the reflectarray aperture. The unit cell is made up of a circular ring enclosing a rounded I-shaped dipole, which gives a smooth phase versus frequency response. The size of unit cells is much smaller than λo/2, which results in a large number of unit cells on the reflectarray aperture and an increased overall efficiency of the reflelctarray. A 665-element reflectarray is designed and simulated, which gives a 1-dB gain bandwidth of 7.5% and -20-dB sidelobe level (SLL) bandwidth of 6.25% with a 60% aperture efficiency at 16 GHz.

KW - Aperiodic reflectarray

KW - broadband reflectarray

KW - high-efficiency reflectarray

KW - logarithmic spiral lattice

KW - low sidelobe reflectarray

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BT - 13th European Conference on Antennas and Propagation, EuCAP 2019

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 13th European Conference on Antennas and Propagation, EuCAP 2019

Y2 - 31 March 2019 through 5 April 2019

ER -

On the Design of Low Sidelobe Reflectarray with Enhanced Bandwidth at Ku-band

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