Heng Zhang, Yi Huang, Yaodan Zhang, Jiatong Wu, Shangrong Ouyang
{"title":"A Design of Dual-Band Circularly Polarized Microstrip Antenna","authors":"Heng Zhang, Yi Huang, Yaodan Zhang, Jiatong Wu, Shangrong Ouyang","doi":"10.1109/ICCIS56375.2022.9998166","DOIUrl":null,"url":null,"abstract":"In order to meet the increasingly frequent communication requirements between data link networks working in different frequency bands, a design of dual-band circularly polarized microstrip antenna is proposed. Based on the basic form of the microstrip antenna, this antenna has dual-band circularly polarized radiation characteristics by cutting four centrally rotationally symmetrical equal-arm U-shaped slots on the square-cut corner patch. The radiation mechanism and structure of this type of antenna are studied and analyzed using electromagnetic simulation software, and a dual-band circularly polarized antenna with operating at 1.85GHz and 4.24GHz is designed, which radiate left-handed circularly polarized waves in low and high frequency. The impedance bandwidth is 1.83~1.89GHz and 4.17~4.29GHz when S11 less than -10dB, the gain reaches 5dB at the central low frequency, and reaches 7.1dB at the high frequency, the axial ratios at the two frequency points are both less than 3dB.","PeriodicalId":398546,"journal":{"name":"2022 6th International Conference on Communication and Information Systems (ICCIS)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 6th International Conference on Communication and Information Systems (ICCIS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCIS56375.2022.9998166","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
In order to meet the increasingly frequent communication requirements between data link networks working in different frequency bands, a design of dual-band circularly polarized microstrip antenna is proposed. Based on the basic form of the microstrip antenna, this antenna has dual-band circularly polarized radiation characteristics by cutting four centrally rotationally symmetrical equal-arm U-shaped slots on the square-cut corner patch. The radiation mechanism and structure of this type of antenna are studied and analyzed using electromagnetic simulation software, and a dual-band circularly polarized antenna with operating at 1.85GHz and 4.24GHz is designed, which radiate left-handed circularly polarized waves in low and high frequency. The impedance bandwidth is 1.83~1.89GHz and 4.17~4.29GHz when S11 less than -10dB, the gain reaches 5dB at the central low frequency, and reaches 7.1dB at the high frequency, the axial ratios at the two frequency points are both less than 3dB.
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