{"title":"A Novel Wideband Unidirectional Antenna Composed of a Shorted Bowtie Patch Antenna and a Printed Dipole","authors":"Bin Mao, G. Hua","doi":"10.1109/APCAP50217.2020.9246041","DOIUrl":null,"url":null,"abstract":"In this paper, a novel wideband unidirectional antenna composed of a shorted bowtie patch antenna and a printed dipole is proposed. A shorted bowtie patch antenna that works as a magnetic dipole and a printed dipole are connected together and excited simultaneously by an air microstrip line. By adding a pair of parasitic patches above the printed dipole, the bandwidth of the antenna is broadened. A U-shaped reflector is employed to achieve stable gain and radiation patterns over the operating frequencies. Measurement results show that an impedance bandwidth of 84.7% for SWR ≤ 2 from 2.09 to 5.16 GHz is achieved. Stable radiation pattern with low cross polarization, low back radiation and an antenna gain of 9±2.2dBi was found over the operating frequencies.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP50217.2020.9246041","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
In this paper, a novel wideband unidirectional antenna composed of a shorted bowtie patch antenna and a printed dipole is proposed. A shorted bowtie patch antenna that works as a magnetic dipole and a printed dipole are connected together and excited simultaneously by an air microstrip line. By adding a pair of parasitic patches above the printed dipole, the bandwidth of the antenna is broadened. A U-shaped reflector is employed to achieve stable gain and radiation patterns over the operating frequencies. Measurement results show that an impedance bandwidth of 84.7% for SWR ≤ 2 from 2.09 to 5.16 GHz is achieved. Stable radiation pattern with low cross polarization, low back radiation and an antenna gain of 9±2.2dBi was found over the operating frequencies.
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