A UHF RFID tag antenna with improved bandwidth

TitreA UHF RFID tag antenna with improved bandwidth
Publication TypeConference Paper
Year of Publication2017
AuthorsEnnasar, MA, Essaaidi, M, Aznabet, I, O. Mrabet, E
Conference NameInternational Conference on Multimedia Computing and Systems -Proceedings

in this paper, a new broadband RFID tag antenna is presented. The antenna has a simple structure and low profile with only one layer of FR4 dielectric substrate and metallization. By choosing a proper dimension of the short dipole and the T-matching network, a good and broadband impedance matching can be achieved. The obtained impedance bandwidth (S11<-10 dB) across the operating band can reach about 232 MHz (24.57%) for the UHF band, which is from 860 to 960 MHz The proposed design has an omnidirectional radiation pattern and a simulated flat read range (almost 4.05 m) over the entire RFID bandwidth. © 2016 IEEE.




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