Electromagnetic analysis of UHF near-field RFID tag antenna

M. Dhaouadi M. Mabrouk 1 A. Ghazel 2 Smail Tedjini 3
1 IMEP-LAHC - Institut de Microélectronique, Electromagnétisme et Photonique - Laboratoire d'Hyperfréquences et Caractérisation
2 CIRTA'COM
3 LCIS - Laboratoire de Conception et d'Intégration des Systèmes
Abstract : In this paper, the performance of Near-Field UHF RFID systems is investigated by means of electromagnetic analyses. A novel antenna is presented for ultra high frequency (UHF) near-field radio frequency identification (RFID) applications. The reactance component of tag antenna considered chip impedance (-193j) is conjugated and matched for maximum power transmission. The antenna is fabricated by using Polyester (PET) dielectric substrate with permittivity 3.2. The size of antenna is 38 × 18 × 0.5 mm. The HFSS simulator is used for optimizing the proposed antenna. The antenna Return Loss is of 14.0 dB for the worst case in the middle of UHF range, better than 31.4 dB at 900 MHz.
Keywords : UHF antennas radiofrequency identification HFSS simulator UHF near-field RFID tag antenna antenna return loss electromagnetic analysis frequency 900 MHz loss 14 dB loss 31.4 dB polyester dielectric substrate power transmission size 0.5 mm size 18 mm size 38 mm ultra high frequency near-field radio frequency identification Antenna radiation patterns Impedance Magnetic fields Metals
Type de document :
Communication dans un congrès
General Assembly and Scientific Symposium, 2011 XXXth URSI, Aug 2011, Unknown, IEEE, pp.1-4, 2011, 〈10.1109/ursigass.2011.6050654〉
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https://hal.inria.fr/hal-01056716
Contributeur : Valence Lcis <>
Soumis le : mercredi 20 août 2014 - 14:25:00
Dernière modification le : lundi 9 avril 2018 - 12:22:18

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M. Dhaouadi, M. Mabrouk, A. Ghazel, Smail Tedjini. Electromagnetic analysis of UHF near-field RFID tag antenna. General Assembly and Scientific Symposium, 2011 XXXth URSI, Aug 2011, Unknown, IEEE, pp.1-4, 2011, 〈10.1109/ursigass.2011.6050654〉. 〈hal-01056716〉

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