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UHF RFID tag antenna using two PIFAs embedded in metallic objects

UHF RFID tag antenna using two PIFAs embedded in metallic objects

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An embedded patch-type RFID tag antenna (UHF band) using ceramic material for tagging metallic objects is presented. The proposed RFID tag is embedded in the metallic object; the diameter of the proposed tag is 34 mm and the height is 5 mm. It is shown that a suitable embedded tag antenna can be made from two PIFAs with horizontal slits in the metallic object. The embedded tag antenna satisfactorily operates in the metallic object and the proposed design is verified by simulation and measurements, which show good agreement.


    1. 1)
      • Xu, L., Tian, L.-B., Hu, B.-J.: `A novel broadband UHF RFID tag antenna mountable on metallic surface', Wicom, 2007 Int. Conf., September 2007, p. 2128–2131.
    2. 2)
    3. 3)
    4. 4)
      • Ranasinghe, D.C., Hall, D.M., Cole, P.H., Engels, D.W.: `An embedded UHF RFID lebel antennas for tagging metallic objects', Intelligent Sensors, Sensor Networks and Information Processing Conf., December 2004, p. 343–347.

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