{"title":"Shared aperture printed slot antenna","authors":"H. S. Gusain, S. Raghavan, P. H. Rao","doi":"10.1109/ICCCNT.2012.6395993","DOIUrl":null,"url":null,"abstract":"A circularly polarized (CP) printed slot antenna configuration on a shared aperture is proposed. Antenna is designed to operate at two distinct frequency bands of 4GHz and 8GHz. Dual slot CP elements at two frequencies are created on a common shared aperture and the antenna is fed by a single microstrip feed line. To achieve unidirectional beam, the slot antenna is backed by a stepped reflector. The stepped reflector is optimized to provide proper phase for pattern combining and axial ratio improvement at both the frequency bands. Antenna operates over a frequency range of 3.5 to 4.5GHz and 7.5 to 8.5GHz for a VSWR <;2. 3dB axial ratio beamwidth is 150 and 440 for 4GHz and 8GHz respectively on the shared aperture.","PeriodicalId":364589,"journal":{"name":"2012 Third International Conference on Computing, Communication and Networking Technologies (ICCCNT'12)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2012-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 Third International Conference on Computing, Communication and Networking Technologies (ICCCNT'12)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCCNT.2012.6395993","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
A circularly polarized (CP) printed slot antenna configuration on a shared aperture is proposed. Antenna is designed to operate at two distinct frequency bands of 4GHz and 8GHz. Dual slot CP elements at two frequencies are created on a common shared aperture and the antenna is fed by a single microstrip feed line. To achieve unidirectional beam, the slot antenna is backed by a stepped reflector. The stepped reflector is optimized to provide proper phase for pattern combining and axial ratio improvement at both the frequency bands. Antenna operates over a frequency range of 3.5 to 4.5GHz and 7.5 to 8.5GHz for a VSWR <;2. 3dB axial ratio beamwidth is 150 and 440 for 4GHz and 8GHz respectively on the shared aperture.
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