{"title":"A Novel Folded Dipoles Circularly Polarized Quasi-Yagi Antenna","authors":"Lifang Liu, Xuping Li, Yunqi Zhang, Simin Du","doi":"10.1109/ISAPE54070.2021.9753137","DOIUrl":null,"url":null,"abstract":"A novel planar folded dipoles quasi-Yagi antenna with a good function is proposed. It is based on a simple structure of two pairs of folded dipoles, planar magnetic walls, two mental via-holes, and a director. The working principle of the antenna is studied and analyzed. The magnetic walls are combined with folded dipoles to form a circularly polarized beam. By simulation and optimization, The impedance bandwidth (|S11|≤ - 10 dB) of about 4.8% (5.65-5.93 GHz) and a 3 dB AR bandwidth of about 13.3% (5.28-6.03 GHz) around the center frequency of 5.8 GHz is achieved, which indicates that the proposed antenna is suitable for the RFID system.","PeriodicalId":287986,"journal":{"name":"2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)","volume":"3 4","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAPE54070.2021.9753137","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A novel planar folded dipoles quasi-Yagi antenna with a good function is proposed. It is based on a simple structure of two pairs of folded dipoles, planar magnetic walls, two mental via-holes, and a director. The working principle of the antenna is studied and analyzed. The magnetic walls are combined with folded dipoles to form a circularly polarized beam. By simulation and optimization, The impedance bandwidth (|S11|≤ - 10 dB) of about 4.8% (5.65-5.93 GHz) and a 3 dB AR bandwidth of about 13.3% (5.28-6.03 GHz) around the center frequency of 5.8 GHz is achieved, which indicates that the proposed antenna is suitable for the RFID system.
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