{"title":"High-Isolated Coplanar-Fed Circularly Polarized 2×2 Curl Antenna for MIMO Applications","authors":"Yuanyan Su, Zhi Ning Chen","doi":"10.1109/SOLI.2018.8476762","DOIUrl":null,"url":null,"abstract":"This paper proposes a coplanar-fed circularly polarized curl antenna for MIMO applications, whose feeding element consists of a metal strip and an inner conductor of coaxial line to match the 50Ω system and to ease the fabrication process. The radiation element including a horizontal strip and a curl strip is etched on the Rogers4003C substrate to enhance the robustness of the antenna system. Besides, a design guideline of a high-isolated 2×2 MIMO antenna is provided such that the antenna isolation of > 25 dB can be obtained theoretically. Both the simulation and measurement results are quite in agreement with each other, indicating that the isolation of > 22 dB is achieved within the axial ratio bandwidth of ~ 4%.","PeriodicalId":424115,"journal":{"name":"2018 IEEE International Conference on Service Operations and Logistics, and Informatics (SOLI)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE International Conference on Service Operations and Logistics, and Informatics (SOLI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SOLI.2018.8476762","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
This paper proposes a coplanar-fed circularly polarized curl antenna for MIMO applications, whose feeding element consists of a metal strip and an inner conductor of coaxial line to match the 50Ω system and to ease the fabrication process. The radiation element including a horizontal strip and a curl strip is etched on the Rogers4003C substrate to enhance the robustness of the antenna system. Besides, a design guideline of a high-isolated 2×2 MIMO antenna is provided such that the antenna isolation of > 25 dB can be obtained theoretically. Both the simulation and measurement results are quite in agreement with each other, indicating that the isolation of > 22 dB is achieved within the axial ratio bandwidth of ~ 4%.
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