U. Ullah, S. Koziel, I. Mabrouk, Q. Abbasi, A. Alomainy
{"title":"Single-Paint-Fed Broadband CP Antenna With Enhanced Axial Ratio","authors":"U. Ullah, S. Koziel, I. Mabrouk, Q. Abbasi, A. Alomainy","doi":"10.1109/UCET.2019.8881837","DOIUrl":null,"url":null,"abstract":"In this paper, a compact single-point-fed circularly polarized antenna with enhanced axial ratio (AR) bandwidth is investigated. A combination of parasitic strips and modified geometry of the wide-slot is used to improve circular polarization (CP) performance of the antenna. The total footprint of the antenna is only $25\\times 25\\ \\text{mm}^{2}$. With the proposed technique, an impedance bandwidth $\\vert \\mathrm{S}_{11}\\vert \\leq-10$ dB of ~70-percent (4.2 GHz- 9.05 GHz), and AR bandwidth $\\leq 3\\text{dB}$ of 48-percent (5.4 GHz to 8.65 GHz) has been achieved with the average realized gain of 3.1 dBi through the CP operating band. A stable bidirectional radiation pattern with left hand CP and right hand CP in the $\\pm z-$ direction is observed.","PeriodicalId":169373,"journal":{"name":"2019 UK/ China Emerging Technologies (UCET)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 UK/ China Emerging Technologies (UCET)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/UCET.2019.8881837","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this paper, a compact single-point-fed circularly polarized antenna with enhanced axial ratio (AR) bandwidth is investigated. A combination of parasitic strips and modified geometry of the wide-slot is used to improve circular polarization (CP) performance of the antenna. The total footprint of the antenna is only $25\times 25\ \text{mm}^{2}$. With the proposed technique, an impedance bandwidth $\vert \mathrm{S}_{11}\vert \leq-10$ dB of ~70-percent (4.2 GHz- 9.05 GHz), and AR bandwidth $\leq 3\text{dB}$ of 48-percent (5.4 GHz to 8.65 GHz) has been achieved with the average realized gain of 3.1 dBi through the CP operating band. A stable bidirectional radiation pattern with left hand CP and right hand CP in the $\pm z-$ direction is observed.
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