Design of Compact Circularly Polarized Antenna Using Sunshine-Shaped Slotted Patch

Jiayuan Lu; Hao Chi Zhang; Cunyue Wei; Jia-Sheng Hong; Tie Jun Cui

doi:10.1109/TAP.2020.2999663

Design of Compact Circularly Polarized Antenna Using Sunshine-Shaped Slotted Patch

Jiayuan Lu, Hao Chi Zhang, Cunyue Wei, Jia-Sheng Hong, Tie Jun Cui

SouthEast University

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

6 Citations (Scopus)

151 Downloads (Pure)

Abstract

We propose a method to design compact circularly polarized (CP) antenna using a novel sunshine-shaped slotted radiating patch, which exhibits slow-wave and other interesting properties. The structured radiating patch introduces adjustable coupling between a pair of orthogonal modes (TM10 mode and TM01 mode) to facilitate good axial ratio and reflection parameters of the antenna simultaneously in the radiating frequency band. A π/2 balun is employed to excite the TM10 and TM01 modes by using back feeding structure. Based on the proposed method, a compact left-hand CP antenna is designed, fabricated, and measured to verify the feasibility of the design method. The whole antenna is 0.17λ0×0.17λ0 in dimension (λ0 is the wavelength in free space) and the measured maximum gain is 5dBic in the working band, and 3-dB axial ratio (AR) bandwidth is 0.4% for left-hand CP.

Original language	English
Pages (from-to)	6800-6805
Number of pages	6
Journal	IEEE Transactions on Antennas and Propagation
Volume	68
Issue number	9
Early online date	9 Jun 2020
DOIs	https://doi.org/10.1109/TAP.2020.2999663
Publication status	Published - Sep 2020

Keywords

Circularly polarized (CP) antenna
miniaturization
patch antenna
sunshine-shaped slotted patch
sunshine-shaped slotted radiating patch

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TAP.2020.2999663

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title = "Design of Compact Circularly Polarized Antenna Using Sunshine-Shaped Slotted Patch",

abstract = "We propose a method to design compact circularly polarized (CP) antenna using a novel sunshine-shaped slotted radiating patch, which exhibits slow-wave and other interesting properties. The structured radiating patch introduces adjustable coupling between a pair of orthogonal modes (TM10 mode and TM01 mode) to facilitate good axial ratio and reflection parameters of the antenna simultaneously in the radiating frequency band. A π/2 balun is employed to excite the TM10 and TM01 modes by using back feeding structure. Based on the proposed method, a compact left-hand CP antenna is designed, fabricated, and measured to verify the feasibility of the design method. The whole antenna is 0.17λ0×0.17λ0 in dimension (λ0 is the wavelength in free space) and the measured maximum gain is 5dBic in the working band, and 3-dB axial ratio (AR) bandwidth is 0.4% for left-hand CP.",

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author = "Jiayuan Lu and Zhang, {Hao Chi} and Cunyue Wei and Jia-Sheng Hong and Cui, {Tie Jun}",

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AU - Lu, Jiayuan

AU - Zhang, Hao Chi

AU - Wei, Cunyue

AU - Hong, Jia-Sheng

AU - Cui, Tie Jun

PY - 2020/9

Y1 - 2020/9

N2 - We propose a method to design compact circularly polarized (CP) antenna using a novel sunshine-shaped slotted radiating patch, which exhibits slow-wave and other interesting properties. The structured radiating patch introduces adjustable coupling between a pair of orthogonal modes (TM10 mode and TM01 mode) to facilitate good axial ratio and reflection parameters of the antenna simultaneously in the radiating frequency band. A π/2 balun is employed to excite the TM10 and TM01 modes by using back feeding structure. Based on the proposed method, a compact left-hand CP antenna is designed, fabricated, and measured to verify the feasibility of the design method. The whole antenna is 0.17λ0×0.17λ0 in dimension (λ0 is the wavelength in free space) and the measured maximum gain is 5dBic in the working band, and 3-dB axial ratio (AR) bandwidth is 0.4% for left-hand CP.

AB - We propose a method to design compact circularly polarized (CP) antenna using a novel sunshine-shaped slotted radiating patch, which exhibits slow-wave and other interesting properties. The structured radiating patch introduces adjustable coupling between a pair of orthogonal modes (TM10 mode and TM01 mode) to facilitate good axial ratio and reflection parameters of the antenna simultaneously in the radiating frequency band. A π/2 balun is employed to excite the TM10 and TM01 modes by using back feeding structure. Based on the proposed method, a compact left-hand CP antenna is designed, fabricated, and measured to verify the feasibility of the design method. The whole antenna is 0.17λ0×0.17λ0 in dimension (λ0 is the wavelength in free space) and the measured maximum gain is 5dBic in the working band, and 3-dB axial ratio (AR) bandwidth is 0.4% for left-hand CP.

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KW - miniaturization

KW - patch antenna

KW - sunshine-shaped slotted patch

KW - sunshine-shaped slotted radiating patch

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JO - IEEE Transactions on Antennas and Propagation

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ER -

Design of Compact Circularly Polarized Antenna Using Sunshine-Shaped Slotted Patch

Abstract

Keywords

ASJC Scopus subject areas

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