{"title":"用于手持式RFID的圆极化单极天线","authors":"Shun‐Yun Lin, Yu-Chih Lin, Ming-Horng Chen","doi":"10.1109/APMC.2012.6421861","DOIUrl":null,"url":null,"abstract":"A novel CP antenna for UHF RFID readers is proposed in this paper. An antenna prototype that operates in the UHF RFID band is successfully developed using an orthogonally truncated radiation patch, an obliquely slotted ground plane, and a 50- microstrip line that proximally fed the antenna. All elements are printed on a microwave substrate in a vertical structure. The antenna dimension of 65×90×0.8 mm3 is suitable to use for handheld devices. The impedance bandwidth for 2.5 VSWR and the 3-dB axial-ratio bandwidth are 15.2% (880 MHz~1025 MHz) and 6.5% (890 MHz~950 MHz), respectively.","PeriodicalId":359125,"journal":{"name":"2012 Asia Pacific Microwave Conference Proceedings","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Monopole antenna with circular polarization for handheld RFID\",\"authors\":\"Shun‐Yun Lin, Yu-Chih Lin, Ming-Horng Chen\",\"doi\":\"10.1109/APMC.2012.6421861\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel CP antenna for UHF RFID readers is proposed in this paper. An antenna prototype that operates in the UHF RFID band is successfully developed using an orthogonally truncated radiation patch, an obliquely slotted ground plane, and a 50- microstrip line that proximally fed the antenna. All elements are printed on a microwave substrate in a vertical structure. The antenna dimension of 65×90×0.8 mm3 is suitable to use for handheld devices. The impedance bandwidth for 2.5 VSWR and the 3-dB axial-ratio bandwidth are 15.2% (880 MHz~1025 MHz) and 6.5% (890 MHz~950 MHz), respectively.\",\"PeriodicalId\":359125,\"journal\":{\"name\":\"2012 Asia Pacific Microwave Conference Proceedings\",\"volume\":\"18 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 Asia Pacific Microwave Conference Proceedings\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APMC.2012.6421861\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 Asia Pacific Microwave Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APMC.2012.6421861","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Monopole antenna with circular polarization for handheld RFID
A novel CP antenna for UHF RFID readers is proposed in this paper. An antenna prototype that operates in the UHF RFID band is successfully developed using an orthogonally truncated radiation patch, an obliquely slotted ground plane, and a 50- microstrip line that proximally fed the antenna. All elements are printed on a microwave substrate in a vertical structure. The antenna dimension of 65×90×0.8 mm3 is suitable to use for handheld devices. The impedance bandwidth for 2.5 VSWR and the 3-dB axial-ratio bandwidth are 15.2% (880 MHz~1025 MHz) and 6.5% (890 MHz~950 MHz), respectively.
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