Study on a broadband new structure dipole-shaped circularly polarized antenna

Wen juan Shu; Jian ying Li; Si si Hao

doi:10.1002/mop.32822

Study on a broadband new structure dipole-shaped circularly polarized antenna

Wen juan Shu, Jian ying Li, Si si Hao

School of Electronics and Information

Northwestern Polytechnical University Xian

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

1 Scopus citations

Abstract

A broadband, circularly polarized (CP), new structure, dipole-shaped antenna is proposed in this article. The antenna is composed of dipole-shaped patch, FR4 substrate, ground and feeding coaxial cable. A double-printed semicircular ring is utilized to feed the radiator. An optimized antenna with an oversize of 0.42λ₀ × 0.42λ₀ × 0.136λ₀ 0.75 × 0.75λ₀ × 0.15λ₀ (at 1.32 GHz) is designed and measured. The measured results show that the proposed antenna yields an impedance bandwidth (IBW) of 36.8%(1.24–1.8 GHz), a 3-dB axial-ratio (AR) bandwidth of 24%(1.32–1.68 GHz), and an average gain of 9.1 dBic in the operating frequency band.

Original language	English
Pages (from-to)	1786-1791
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	63
Issue number	6
DOIs	https://doi.org/10.1002/mop.32822
State	Published - Jun 2021

Keywords

axial-ratio
broadband
Circularly polarized
low profile

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10.1002/mop.32822

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title = "Study on a broadband new structure dipole-shaped circularly polarized antenna",

abstract = "A broadband, circularly polarized (CP), new structure, dipole-shaped antenna is proposed in this article. The antenna is composed of dipole-shaped patch, FR4 substrate, ground and feeding coaxial cable. A double-printed semicircular ring is utilized to feed the radiator. An optimized antenna with an oversize of 0.42λ0 × 0.42λ0 × 0.136λ0 0.75 × 0.75λ0 × 0.15λ0 (at 1.32 GHz) is designed and measured. The measured results show that the proposed antenna yields an impedance bandwidth (IBW) of 36.8%(1.24–1.8 GHz), a 3-dB axial-ratio (AR) bandwidth of 24%(1.32–1.68 GHz), and an average gain of 9.1 dBic in the operating frequency band.",

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author = "Shu, {Wen juan} and Li, {Jian ying} and Hao, {Si si}",

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year = "2021",

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doi = "10.1002/mop.32822",

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volume = "63",

pages = "1786--1791",

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AU - Shu, Wen juan

AU - Li, Jian ying

AU - Hao, Si si

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N2 - A broadband, circularly polarized (CP), new structure, dipole-shaped antenna is proposed in this article. The antenna is composed of dipole-shaped patch, FR4 substrate, ground and feeding coaxial cable. A double-printed semicircular ring is utilized to feed the radiator. An optimized antenna with an oversize of 0.42λ0 × 0.42λ0 × 0.136λ0 0.75 × 0.75λ0 × 0.15λ0 (at 1.32 GHz) is designed and measured. The measured results show that the proposed antenna yields an impedance bandwidth (IBW) of 36.8%(1.24–1.8 GHz), a 3-dB axial-ratio (AR) bandwidth of 24%(1.32–1.68 GHz), and an average gain of 9.1 dBic in the operating frequency band.

AB - A broadband, circularly polarized (CP), new structure, dipole-shaped antenna is proposed in this article. The antenna is composed of dipole-shaped patch, FR4 substrate, ground and feeding coaxial cable. A double-printed semicircular ring is utilized to feed the radiator. An optimized antenna with an oversize of 0.42λ0 × 0.42λ0 × 0.136λ0 0.75 × 0.75λ0 × 0.15λ0 (at 1.32 GHz) is designed and measured. The measured results show that the proposed antenna yields an impedance bandwidth (IBW) of 36.8%(1.24–1.8 GHz), a 3-dB axial-ratio (AR) bandwidth of 24%(1.32–1.68 GHz), and an average gain of 9.1 dBic in the operating frequency band.

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KW - Circularly polarized

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Study on a broadband new structure dipole-shaped circularly polarized antenna

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Keywords

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