{"title":"Wideband Wide-angle Scanning Millimeter-Wave Phased Array Antenna Based on Magneto-electric Dipole","authors":"Qiaguang Liu, Wanchen Yang, W. Che, Q. Xue","doi":"10.1109/IWS55252.2022.9978004","DOIUrl":null,"url":null,"abstract":"In this manuscript, a wide-beam wideband magneto-electric (ME) dipole is proposed. The band of the antenna can cover 24.25 to 29.5GHz (19.5%), and after loading the stepped ground, the antenna has a beamwidth of over 110° in the E-plane. Then, the newly designed element is placed with a small distance of 4.5mm (about 0.4AO at 27GHz) for implementing 4x4 wide-angle scanning phased array. Several II-shaped decoupling structures are placed between adjacent elements along the E-plane direction to reduce coupling and therefore improve active S-parameters. The results show that the array can cover the band of 24.25 to 29.5GHz (19.5%), and has a large scanned area from -57° to 56° with a gain drop below 3dB, while all the port isolation is higher than 20dB, and all the active S-parameter is lower than -10dB.","PeriodicalId":126964,"journal":{"name":"2022 IEEE MTT-S International Wireless Symposium (IWS)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE MTT-S International Wireless Symposium (IWS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWS55252.2022.9978004","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this manuscript, a wide-beam wideband magneto-electric (ME) dipole is proposed. The band of the antenna can cover 24.25 to 29.5GHz (19.5%), and after loading the stepped ground, the antenna has a beamwidth of over 110° in the E-plane. Then, the newly designed element is placed with a small distance of 4.5mm (about 0.4AO at 27GHz) for implementing 4x4 wide-angle scanning phased array. Several II-shaped decoupling structures are placed between adjacent elements along the E-plane direction to reduce coupling and therefore improve active S-parameters. The results show that the array can cover the band of 24.25 to 29.5GHz (19.5%), and has a large scanned area from -57° to 56° with a gain drop below 3dB, while all the port isolation is higher than 20dB, and all the active S-parameter is lower than -10dB.
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