High-gain omnidirectional patch antenna for conformal application based on near-zero-index metamaterials

Tianqiang Zhang; Jing Zhao; Yao Guo; Xiaopeng Zhao

doi:10.1049/mia2.12179

High-gain omnidirectional patch antenna for conformal application based on near-zero-index metamaterials

Tianqiang Zhang, Jing Zhao, Yao Guo, Xiaopeng Zhao

School of Physical Science and Technology

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

1 Scopus citations

Abstract

Achieving a high-gain omnidirectional patch antenna with low profile is a challenging task. On the basis of improving antennas by metamaterials, a broadband near-zero-index metamaterial (NZIM) is designed to enhance the horizontal gain of the omnidirectional patch antenna. The zero-index metamaterial is loaded on the substrate of three antennas with different working bands (4.99–5.50 GHz). The results show that the horizontal gain of antennas is enhanced by more than 0.6 dB at various frequencies. The roundness of antennas is also optimised. Therefore, using NZIM can increase the horizontal gain with a low profile (λ/30) structure size. The low profile, high-gain omnidirectional patch antenna has great potential in the conformal field.

Original language	English
Pages (from-to)	1649-1656
Number of pages	8
Journal	IET Microwaves, Antennas and Propagation
Volume	15
Issue number	12
DOIs	https://doi.org/10.1049/mia2.12179
State	Published - 7 Oct 2021

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abstract = "Achieving a high-gain omnidirectional patch antenna with low profile is a challenging task. On the basis of improving antennas by metamaterials, a broadband near-zero-index metamaterial (NZIM) is designed to enhance the horizontal gain of the omnidirectional patch antenna. The zero-index metamaterial is loaded on the substrate of three antennas with different working bands (4.99–5.50 GHz). The results show that the horizontal gain of antennas is enhanced by more than 0.6 dB at various frequencies. The roundness of antennas is also optimised. Therefore, using NZIM can increase the horizontal gain with a low profile (λ/30) structure size. The low profile, high-gain omnidirectional patch antenna has great potential in the conformal field.",

author = "Tianqiang Zhang and Jing Zhao and Yao Guo and Xiaopeng Zhao",

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AU - Guo, Yao

AU - Zhao, Xiaopeng

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Y1 - 2021/10/7

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AB - Achieving a high-gain omnidirectional patch antenna with low profile is a challenging task. On the basis of improving antennas by metamaterials, a broadband near-zero-index metamaterial (NZIM) is designed to enhance the horizontal gain of the omnidirectional patch antenna. The zero-index metamaterial is loaded on the substrate of three antennas with different working bands (4.99–5.50 GHz). The results show that the horizontal gain of antennas is enhanced by more than 0.6 dB at various frequencies. The roundness of antennas is also optimised. Therefore, using NZIM can increase the horizontal gain with a low profile (λ/30) structure size. The low profile, high-gain omnidirectional patch antenna has great potential in the conformal field.

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High-gain omnidirectional patch antenna for conformal application based on near-zero-index metamaterials

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