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Compact half-cylindrical dielectric resonator antenna for UHF RFID applications

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4 Author(s)
Raggad, H. ; Groupe Radio & Hyperfreq., ESEO, Angers, France ; Latrach, M. ; Razban, T. ; Gharsallah, A.

In this paper, a new compact Reader Antenna is designed and analyzed in European UHF RFID band (i.e., 865MHz - 868MHz). The proposed Dielectric Resonator Antenna (DRA) is composed of microstrip line/slot feed and a half dielectric resonator made from a high-permittivity (εr = 30). The simulated results show satisfactory performance versus size. The antenna works from 857 to 885 MHz, thus covering the European UHF RFID Band, and its linearly polarized radiation pattern provides a 3.75 dBi realized gain. The reflection coefficient, radiation pattern, and antenna gain of proposed configuration are studied, and reasonable agreement between the two simulators results is observed.

Published in:

RFID-Technologies and Applications (RFID-TA), 2012 IEEE International Conference on

Date of Conference:

5-7 Nov. 2012