{"title":"A Frequency- and Pattern-Reconfigurable Rotatable Antenna Array","authors":"Sifan Wu, Juan Chen","doi":"10.1109/iwem53379.2021.9790475","DOIUrl":null,"url":null,"abstract":"A frequency- and pattern-reconfigurable rotatable antenna array is proposed in this paper. The frequency-tunable mechanism is achieved by varying the capacitance value of the loaded varactor and the rotatable motion of the antenna structure, which contains three two-element arrays. Two independent bias voltages provide the pattern reconfigurability for each two-element array. It is achieved by introducing phase shift between the two array elements. The mechanism of quasi-Yagi antenna is used to enhance the gain. The proposed design has a frequency-tunable band from 2.66 GHz to 3.72 GHz, and a maximum continuously beam-scanning angles from −28° to +29° across broadside.","PeriodicalId":141204,"journal":{"name":"2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/iwem53379.2021.9790475","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 frequency- and pattern-reconfigurable rotatable antenna array is proposed in this paper. The frequency-tunable mechanism is achieved by varying the capacitance value of the loaded varactor and the rotatable motion of the antenna structure, which contains three two-element arrays. Two independent bias voltages provide the pattern reconfigurability for each two-element array. It is achieved by introducing phase shift between the two array elements. The mechanism of quasi-Yagi antenna is used to enhance the gain. The proposed design has a frequency-tunable band from 2.66 GHz to 3.72 GHz, and a maximum continuously beam-scanning angles from −28° to +29° across broadside.
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