A High-Gain Circularly Polarized Slotted Patch Antenna

Si Si Hao; Qing Qing Chen; Jian Ying Li; Jing Xie

doi:10.1109/LAWP.2020.2987330

A High-Gain Circularly Polarized Slotted Patch Antenna

Si Si Hao, Qing Qing Chen, Jian Ying Li, Jing Xie

School of Electronics and Information

Northwestern Polytechnical University Xian

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

28 Scopus citations

Abstract

In this letter, a single-fed high-gain circularly polarized slotted patch antenna is proposed. The proposed antenna consists of a slotted radiation patch and a ground plate, which has a simple structure. The slots are etched on the radiation patch to radiate circular polarization. The measured impedance bandwidth for S₁₁<-10 dB is around 17.4% (3.05-3.63 GHz). Also, the measured axial-ratio (AR) bandwidth for AR < 3 dB is around 5.4% (3.25-3.43 GHz). Moreover, the measured peak gain is about 10.2 dB at 3.34 GHz. The measured curves of S₁₁, AR, and gain are in good agreement with the simulation. The proposed slotted patch antenna can radiate left-hand circular polarization (LHCP) stably from 3.25 to 3.43 GHz. The volume of the fabricated antenna is 0.43λ₀×0.43λ₀×0.07λ₀. λ₀ is the operating wavelength at the lowest frequency (3.25 GHz) for radiating circular polarization.

Original language	English
Article number	9070202
Pages (from-to)	1022-1026
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	19
Issue number	6
DOIs	https://doi.org/10.1109/LAWP.2020.2987330
State	Published - Jun 2020

Keywords

Axial ratio (AR)
bandwidth
circularly polarized (CP)
microstrip antenna

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10.1109/LAWP.2020.2987330

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title = "A High-Gain Circularly Polarized Slotted Patch Antenna",

abstract = "In this letter, a single-fed high-gain circularly polarized slotted patch antenna is proposed. The proposed antenna consists of a slotted radiation patch and a ground plate, which has a simple structure. The slots are etched on the radiation patch to radiate circular polarization. The measured impedance bandwidth for S11<-10 dB is around 17.4% (3.05-3.63 GHz). Also, the measured axial-ratio (AR) bandwidth for AR < 3 dB is around 5.4% (3.25-3.43 GHz). Moreover, the measured peak gain is about 10.2 dB at 3.34 GHz. The measured curves of S11, AR, and gain are in good agreement with the simulation. The proposed slotted patch antenna can radiate left-hand circular polarization (LHCP) stably from 3.25 to 3.43 GHz. The volume of the fabricated antenna is 0.43λ0×0.43λ0×0.07λ0. λ0 is the operating wavelength at the lowest frequency (3.25 GHz) for radiating circular polarization.",

keywords = "Axial ratio (AR), bandwidth, circularly polarized (CP), microstrip antenna",

author = "Hao, {Si Si} and Chen, {Qing Qing} and Li, {Jian Ying} and Jing Xie",

note = "Publisher Copyright: {\textcopyright} 2002-2011 IEEE.",

year = "2020",

month = jun,

doi = "10.1109/LAWP.2020.2987330",

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AU - Hao, Si Si

AU - Chen, Qing Qing

AU - Li, Jian Ying

AU - Xie, Jing

PY - 2020/6

Y1 - 2020/6

N2 - In this letter, a single-fed high-gain circularly polarized slotted patch antenna is proposed. The proposed antenna consists of a slotted radiation patch and a ground plate, which has a simple structure. The slots are etched on the radiation patch to radiate circular polarization. The measured impedance bandwidth for S11<-10 dB is around 17.4% (3.05-3.63 GHz). Also, the measured axial-ratio (AR) bandwidth for AR < 3 dB is around 5.4% (3.25-3.43 GHz). Moreover, the measured peak gain is about 10.2 dB at 3.34 GHz. The measured curves of S11, AR, and gain are in good agreement with the simulation. The proposed slotted patch antenna can radiate left-hand circular polarization (LHCP) stably from 3.25 to 3.43 GHz. The volume of the fabricated antenna is 0.43λ0×0.43λ0×0.07λ0. λ0 is the operating wavelength at the lowest frequency (3.25 GHz) for radiating circular polarization.

AB - In this letter, a single-fed high-gain circularly polarized slotted patch antenna is proposed. The proposed antenna consists of a slotted radiation patch and a ground plate, which has a simple structure. The slots are etched on the radiation patch to radiate circular polarization. The measured impedance bandwidth for S11<-10 dB is around 17.4% (3.05-3.63 GHz). Also, the measured axial-ratio (AR) bandwidth for AR < 3 dB is around 5.4% (3.25-3.43 GHz). Moreover, the measured peak gain is about 10.2 dB at 3.34 GHz. The measured curves of S11, AR, and gain are in good agreement with the simulation. The proposed slotted patch antenna can radiate left-hand circular polarization (LHCP) stably from 3.25 to 3.43 GHz. The volume of the fabricated antenna is 0.43λ0×0.43λ0×0.07λ0. λ0 is the operating wavelength at the lowest frequency (3.25 GHz) for radiating circular polarization.

KW - Axial ratio (AR)

KW - bandwidth

KW - circularly polarized (CP)

KW - microstrip antenna

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M1 - 9070202

ER -

A High-Gain Circularly Polarized Slotted Patch Antenna

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Keywords

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