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An effective impedance matching method for RFID slot tag antennas
Author(s) -
Chen HorngDean,
Chu FuChen
Publication year - 2011
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.26130
Subject(s) - slot antenna , impedance matching , electrical impedance , antenna (radio) , matching (statistics) , radio frequency identification , microwave , electronic engineering , computer science , directional antenna , electrical engineering , acoustics , engineering , telecommunications , physics , mathematics , statistics , computer security
This article presents an impedance matching method suitable for various radio frequency identification (RFID) slot tag antennas.By loading a matching slot onto a radiating slot, the impedance of the proposed slot tag antenna can be easily tuned to match the various impedance values of chips by simply changing the length of the matching slot. Two examples of the slot tag antennas are studied. Results show that the designed tags exhibit offer good reading range performances and are excellent candidates for RFID applications. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26130