{"title":"A compact circularly-polarized array based on superdirective elements","authors":"A. Haskou, A. Sharaiha, S. Collardey","doi":"10.1109/MECAP.2016.7790082","DOIUrl":null,"url":null,"abstract":"In this paper, a new strategy for designing compact Circularly-Polarized (CP) arrays is proposed. This approach consists of using small parasitic superdirective arrays as unit elements. An array is designed for 866MHz RFID band and a parametric analysis on the inter-element distance is performed to highlight the trade-offs between the antenna-dimensions, -directivity and radiation efficiency. For total dimensions of 220 × 220 × 25.8mm3(0.58λ × 0.58λ × 0.075λ), the array has a CP directivity of 10.3dBic and a radiation efficiency of 38.5%.","PeriodicalId":366020,"journal":{"name":"2016 IEEE Middle East Conference on Antennas and Propagation (MECAP)","volume":"466 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE Middle East Conference on Antennas and Propagation (MECAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MECAP.2016.7790082","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 new strategy for designing compact Circularly-Polarized (CP) arrays is proposed. This approach consists of using small parasitic superdirective arrays as unit elements. An array is designed for 866MHz RFID band and a parametric analysis on the inter-element distance is performed to highlight the trade-offs between the antenna-dimensions, -directivity and radiation efficiency. For total dimensions of 220 × 220 × 25.8mm3(0.58λ × 0.58λ × 0.075λ), the array has a CP directivity of 10.3dBic and a radiation efficiency of 38.5%.
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