Design of a Small-Size Broadband Circularly Polarized Microstrip Antenna Array

Pingyuan Zhou; Zhuo Zhang; Mang He; Yihang Hao; Chuanfang Zhang

doi:10.1155/2018/5691561

Design of a Small-Size Broadband Circularly Polarized Microstrip Antenna Array

Pingyuan Zhou, Zhuo Zhang, Mang He^*, Yihang Hao, Chuanfang Zhang

^*Corresponding author for this work

School of Integrated Circuits and Electronics

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

7 Citations (Scopus)

Abstract

A small-size 2×2 broadband circularly polarized microstrip antenna array is proposed in this article. The array has four broadband dual-feed U-slot patch antenna elements with circular polarization, and the sequential feeding technique is used to further enhance the 3 dB axial ratio bandwidth. The lateral size of the fabricated array is as small as 1.33λ0×1.33λ0, and the profile is only 0.04λ0. Measured results show that the overlapped -10 dB reflection coefficient and the 3 dB AR bandwidth is 53%, and the variation of the measured realized gain is less than 1 dB for S-band satellite communications (1.98-2.2 GHz).

Original language	English
Article number	5691561
Journal	International Journal of Antennas and Propagation
Volume	2018
DOIs	https://doi.org/10.1155/2018/5691561
Publication status	Published - 2018

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title = "Design of a Small-Size Broadband Circularly Polarized Microstrip Antenna Array",

abstract = "A small-size 2×2 broadband circularly polarized microstrip antenna array is proposed in this article. The array has four broadband dual-feed U-slot patch antenna elements with circular polarization, and the sequential feeding technique is used to further enhance the 3 dB axial ratio bandwidth. The lateral size of the fabricated array is as small as 1.33λ0×1.33λ0, and the profile is only 0.04λ0. Measured results show that the overlapped -10 dB reflection coefficient and the 3 dB AR bandwidth is 53%, and the variation of the measured realized gain is less than 1 dB for S-band satellite communications (1.98-2.2 GHz).",

author = "Pingyuan Zhou and Zhuo Zhang and Mang He and Yihang Hao and Chuanfang Zhang",

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AU - Zhou, Pingyuan

AU - Zhang, Zhuo

AU - He, Mang

AU - Hao, Yihang

AU - Zhang, Chuanfang

PY - 2018

Y1 - 2018

N2 - A small-size 2×2 broadband circularly polarized microstrip antenna array is proposed in this article. The array has four broadband dual-feed U-slot patch antenna elements with circular polarization, and the sequential feeding technique is used to further enhance the 3 dB axial ratio bandwidth. The lateral size of the fabricated array is as small as 1.33λ0×1.33λ0, and the profile is only 0.04λ0. Measured results show that the overlapped -10 dB reflection coefficient and the 3 dB AR bandwidth is 53%, and the variation of the measured realized gain is less than 1 dB for S-band satellite communications (1.98-2.2 GHz).

AB - A small-size 2×2 broadband circularly polarized microstrip antenna array is proposed in this article. The array has four broadband dual-feed U-slot patch antenna elements with circular polarization, and the sequential feeding technique is used to further enhance the 3 dB axial ratio bandwidth. The lateral size of the fabricated array is as small as 1.33λ0×1.33λ0, and the profile is only 0.04λ0. Measured results show that the overlapped -10 dB reflection coefficient and the 3 dB AR bandwidth is 53%, and the variation of the measured realized gain is less than 1 dB for S-band satellite communications (1.98-2.2 GHz).

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VL - 2018

JO - International Journal of Antennas and Propagation

JF - International Journal of Antennas and Propagation

M1 - 5691561

ER -

Design of a Small-Size Broadband Circularly Polarized Microstrip Antenna Array

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