Low-profile omnidirectional antenna with broad bandwidth and high gain

Yao Guo; Jing Zhao; Weihua Hui; Kunlun Xie; Quanwen Hou; Xiaopeng Zhao

doi:10.1002/mop.33809

Low-profile omnidirectional antenna with broad bandwidth and high gain

Yao Guo, Jing Zhao, Weihua Hui, Kunlun Xie, Quanwen Hou, Xiaopeng Zhao

School of Physical Science and Technology

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

1 Scopus citations

Abstract

In this study, a novel low profile wideband omnidirectional antenna is proposed. Horizontal dimension is utilized by introducing annular patches and near-zero-index metamaterials, instead of enhancing horizontal gain through increasing the profile of antenna. Measured results illustrate that horizontal gain of this antenna is enhanced to more than 2.5 dBi with 9.81% relative bandwidth (4.97−5.49 GHz) and low profile (0.034λ). Compared with other works, this novel antenna has obvious advantages in electromagnetic characteristics and physical structure, which has great potential in vehicular communications.

Original language	English
Pages (from-to)	2956-2962
Number of pages	7
Journal	Microwave and Optical Technology Letters
Volume	65
Issue number	11
DOIs	https://doi.org/10.1002/mop.33809
State	Published - Nov 2023

Keywords

bandwidth expansion
effective multi-magnetic loops array
horizontal gain enhancement
near-zero-index metamaterials
omnidirectional antenna

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10.1002/mop.33809

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title = "Low-profile omnidirectional antenna with broad bandwidth and high gain",

abstract = "In this study, a novel low profile wideband omnidirectional antenna is proposed. Horizontal dimension is utilized by introducing annular patches and near-zero-index metamaterials, instead of enhancing horizontal gain through increasing the profile of antenna. Measured results illustrate that horizontal gain of this antenna is enhanced to more than 2.5 dBi with 9.81% relative bandwidth (4.97−5.49 GHz) and low profile (0.034λ). Compared with other works, this novel antenna has obvious advantages in electromagnetic characteristics and physical structure, which has great potential in vehicular communications.",

keywords = "bandwidth expansion, effective multi-magnetic loops array, horizontal gain enhancement, near-zero-index metamaterials, omnidirectional antenna",

author = "Yao Guo and Jing Zhao and Weihua Hui and Kunlun Xie and Quanwen Hou and Xiaopeng Zhao",

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year = "2023",

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T1 - Low-profile omnidirectional antenna with broad bandwidth and high gain

AU - Guo, Yao

AU - Zhao, Jing

AU - Hui, Weihua

AU - Xie, Kunlun

AU - Hou, Quanwen

AU - Zhao, Xiaopeng

PY - 2023/11

Y1 - 2023/11

N2 - In this study, a novel low profile wideband omnidirectional antenna is proposed. Horizontal dimension is utilized by introducing annular patches and near-zero-index metamaterials, instead of enhancing horizontal gain through increasing the profile of antenna. Measured results illustrate that horizontal gain of this antenna is enhanced to more than 2.5 dBi with 9.81% relative bandwidth (4.97−5.49 GHz) and low profile (0.034λ). Compared with other works, this novel antenna has obvious advantages in electromagnetic characteristics and physical structure, which has great potential in vehicular communications.

AB - In this study, a novel low profile wideband omnidirectional antenna is proposed. Horizontal dimension is utilized by introducing annular patches and near-zero-index metamaterials, instead of enhancing horizontal gain through increasing the profile of antenna. Measured results illustrate that horizontal gain of this antenna is enhanced to more than 2.5 dBi with 9.81% relative bandwidth (4.97−5.49 GHz) and low profile (0.034λ). Compared with other works, this novel antenna has obvious advantages in electromagnetic characteristics and physical structure, which has great potential in vehicular communications.

KW - bandwidth expansion

KW - effective multi-magnetic loops array

KW - horizontal gain enhancement

KW - near-zero-index metamaterials

KW - omnidirectional antenna

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DO - 10.1002/mop.33809

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VL - 65

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EP - 2962

JO - Microwave and Optical Technology Letters

JF - Microwave and Optical Technology Letters

IS - 11

ER -

Low-profile omnidirectional antenna with broad bandwidth and high gain

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Keywords

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