Planar artificial transmission lines loading for miniturization of rfid printed quasi-yagi antenna
P Hajizadeh, HR Hassani… - IEEE Antennas and …, 2013 - ieeexplore.ieee.org
P Hajizadeh, HR Hassani, SH Sedighy
IEEE Antennas and Wireless Propagation Letters, 2013•ieeexplore.ieee.orgA compact omnidirectional printed quasi-Yagi antenna for RFID reader application is
presented. To reduce the size of the antenna, the radiating elements of the quasi-Yagi
antenna are replaced by artificial transmission lines (ATLs). The proposed antenna that
operates at 915 MHz has a substrate size of 52× 77mm 2, which shows more than 76.24%
size reduction in comparison to the previously reported compact Yagi antenna. At the center
frequency, the antenna has an input impedance of 46.66-j 4.27 Ω, radiation efficiency of …
presented. To reduce the size of the antenna, the radiating elements of the quasi-Yagi
antenna are replaced by artificial transmission lines (ATLs). The proposed antenna that
operates at 915 MHz has a substrate size of 52× 77mm 2, which shows more than 76.24%
size reduction in comparison to the previously reported compact Yagi antenna. At the center
frequency, the antenna has an input impedance of 46.66-j 4.27 Ω, radiation efficiency of …
A compact omnidirectional printed quasi-Yagi antenna for RFID reader application is presented. To reduce the size of the antenna, the radiating elements of the quasi-Yagi antenna are replaced by artificial transmission lines (ATLs). The proposed antenna that operates at 915 MHz has a substrate size of 52×77mm 2 , which shows more than 76.24% size reduction in comparison to the previously reported compact Yagi antenna. At the center frequency, the antenna has an input impedance of 46.66- j 4.27 Ω, radiation efficiency of 98.2%, and a gain of 1.84 dBi. The experimental data are in good agreement with the simulation results.
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