{"title":"Beam Scanning UHF RFID Reader Antenna Design for Metal Environment Application (Invited paper)","authors":"Xiuping Li, Hua Zhu, Quanping Li, Weiwei Feng","doi":"10.1109/SOLI.2018.8476783","DOIUrl":null,"url":null,"abstract":"A two-dimensionally scanning (2D) antenna array and polling beam scanning antenna array is designed in UHF RFID system with high stability and reliability in metal environment. The two-dimensionally scanning (2D) antenna array is composed of 3×3 antenna array, a feeding network and switches. The measured -10dB impedance bandwidth is around 30MHz. The scanning beam directions covers ±60° and scanning direction gain is 9~10dBi, respectively. The polling beam scanning antenna array is composed of three 1×2 planar inverted-F antenna (PIFA) arrays and polling beam scanning feeding network consisting switch and control module. The measured bandwidth is 50MHz (895–945MHz) under the condition of VSWR less than 2, covering Chinese, Canadian, Korean, and Australian standard of frequency ranges. The steering radiation pattern is -20°, 0°, and +25° in xoz-plane. The read rate achieve 100% in the metal environment.","PeriodicalId":424115,"journal":{"name":"2018 IEEE International Conference on Service Operations and Logistics, and Informatics (SOLI)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE International Conference on Service Operations and Logistics, and Informatics (SOLI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SOLI.2018.8476783","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 two-dimensionally scanning (2D) antenna array and polling beam scanning antenna array is designed in UHF RFID system with high stability and reliability in metal environment. The two-dimensionally scanning (2D) antenna array is composed of 3×3 antenna array, a feeding network and switches. The measured -10dB impedance bandwidth is around 30MHz. The scanning beam directions covers ±60° and scanning direction gain is 9~10dBi, respectively. The polling beam scanning antenna array is composed of three 1×2 planar inverted-F antenna (PIFA) arrays and polling beam scanning feeding network consisting switch and control module. The measured bandwidth is 50MHz (895–945MHz) under the condition of VSWR less than 2, covering Chinese, Canadian, Korean, and Australian standard of frequency ranges. The steering radiation pattern is -20°, 0°, and +25° in xoz-plane. The read rate achieve 100% in the metal environment.
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