UHF RFID near field reader antenna for item level applications | Zendy

Kim JeongSeok | Zendy; Choi WonKyu | Zendy; Choi GilYoung | Zendy

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UHF RFID near field reader antenna for item level applications

Author(s) -

Kim JeongSeok,

Choi WonKyu,

Choi GilYoung

Publication year - 2010

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.25115

Subject(s) - ultra high frequency , electrical engineering , radio frequency identification , antenna (radio) , microwave , microstrip , engineering , microstrip antenna , electronic engineering , computer science , telecommunications , computer security

A UHF band near‐field antenna using microstrip lines and stubs for tagging stacked tags in a smart table is presented. It is shown that a suitable near‐field reader antenna can be designed from signal lines, ground lines, and several stubs to generate coupled electric and magnetic fields. The proposed near‐field reader antenna satisfactorily operates in a UHF radio frequency identification (RFID) smart table, and the measurements show that the antenna is capable of detecting 200 stacked tags in a reading area of 200 mm × 190 mm and achieves a detection rate of 97% when the tags are stacked in a smart table. The proposed UHF RFID smart table is successfully implemented for casino chip management. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1116–1119, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25115

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