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2011-03-15
Eye-Shaped Segmented Reader Antenna for Near-Field UHF RFID Applications
By
Progress In Electromagnetics Research, Vol. 114, 481-493, 2011
Abstract
An eye-shaped segmented (ESS) antenna is presented for ultra-high frequency (UHF) near-field radio frequency identification (RFID) applications. The proposed antenna shows in-phase current even though the perimeter of the eye-shaped loop is comparable to the operating wavelength. The ESS antenna is fabricated on a FR4 printed circuit board (PCB) and embedded in a metal cavity with an overall size of 250×180×50 mm3. The measured bandwidth is around 11MHz (860-871 MHz) under the condition of VSWR less than 2.0, which covers the Europe standard (865MHz-868MHz) and agrees well with the simulated results. Finally, as a reader antenna in the RFID system, the measured read distance and read width can achieve 16.1 cm and 8 cm, respectively. The ESS antenna is desirable for UHF near-field RFID reader applications.
Citation
Xiuping Li Jiankun Liao Yong Yuan Dan Yu , "Eye-Shaped Segmented Reader Antenna for Near-Field UHF RFID Applications," Progress In Electromagnetics Research, Vol. 114, 481-493, 2011.
doi:10.2528/PIER11021601
http://www.jpier.org/PIER/pier.php?paper=11021601
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