E3S Web Conf.
Volume 351, 202210th International Conference on Innovation, Modern Applied Science & Environmental Studies (ICIES’2022)
|Number of page(s)||6|
|Published online||24 May 2022|
Slot incorporated high gain Printed RFID Reader Array antenna for 2.4 GHz ISM band applications
1 Signal System and component Laboratory, Sidi Mohamed Ben Abdellah University – FST Fez, Morocco
2 Department of Electronics and communication engineering, IMPS College of Engineering and Technology, India
3 Laboratory of Electronic Systems, Information Processing, Mechanics and Energy, IbnTofail University-Faculty of Sciences Kénitra, Morocco
In this paper, a printed 1×8 array antenna operating at 2.4 GHz is proposed for radio frequency identification (RFID) Reader. The proposed array antenna is composed of eight identical modified patch elements. The radiating elements are fed in parallel via a simple 50 Ohm microstrip line matched with a quarter-wave impedance transformer using a T magic power divider to divide the input power into two equal quantities with the same phase. The suggested array configuration is designed using Rogers RT/duroid 5880 substrate having dielectric constant εr = 2.2, dielectric loss tangent = 0.0009, and substrate’s height of 1.56mm. The overall dimension of the 1×8 array antenna is 117×475mm2. The proposed array antenna shows good impedance matching, high gain and directional radiation patterns. The proposed array antenna has a high gain about of 14.61dBi, high radiation efficiency of 98.3%, and a good reflection coefficient S11 of -13.14dB and voltage standing wave ratio (VSWR) of 1.56 at 2.4 GHz.
Key words: Microstrip patch antenna / Microstrip line / RFID Reader / T magic power divider / array antenna / Quarter-Wavelength Impedance Transformer
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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