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A broadband center-fed ultra-high frequency (UHF) near-field radio frequency identification (RFID) reader antenna is proposed and investigated in this letter. The design utilizes four tapered double-side parallel stripline (TDSPSL)-fed dipoles to form a circular loop to achieve broadband impedance matching and strong and uniform magnetic field distribution. Parametric studies are carried out to characterize...
A minified UHF Tag antenna with two meander dipoles and a match network is proposed and simulated. The antenna is printed with thin copper on a polyimide substrate of 50 um thickness. The dimensions of the antenna are 65 mm in width and 48 mm in length. The simulation results show that the impedance bandwidth is 66 MHz and the radiation efficiency within the bandwidth is over 80%, and the antenna...
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