A compact miniature fractal planar antenna for RFID readers

Mohamed Ihamji (LASTI Laboratory, FST of Settat, Hassan 1st University, Settat)
Elhassane Abdelmounim (LASTI Laboratory, FST of Settat, Hassan 1st University, Settat)
Jamal Zbitou (LMEET Laboratory, FST of Settat, Hassan 1st University, Settat)
Hamid Bennis (TIM Research Team, EST of Meknes, Moulay Ismail University, Meknes)
Mohamed Latrach (Microwave Group, ESEO, Angers)

Indonesian Journal of Electrical Engineering and Computer Science
Vol 15, No 1: July 2019

This article presents a new miniature microstrip antenna in the ISM "Industrial Scientific and Medical" band, at 2.45 GHz. This microstrip antenna is designed for RFID reader system, by exploiting the fractal technique and the CPW fed; this antenna is printed on FR4 substrate with dielectric constant of 4.4. The validated antenna has a good matching input impedance range from 2.27 GHz to 2.68 GHz with a stable radiation pattern, a gain of 2.2 dBi, and a directivity of 1.91 dB. The total area of the final circuit is 21.22 x 32.05 mm2. A prototype of the proposed antenna has been fabricated and measured.