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Broadband UHF RFID Passive Tag Antenna for Near-Body Applications

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3 Author(s)
Santiago, A.G. ; Inst. de Telecomun., Tech. Univ. of Lisbon, Lisbon, Portugal ; Costa, J.R. ; Fernandes, C.A.

One challenge for UHF RFID passive tag design is to obtain a low-profile antenna that minimizes the influence of near-body or attached objects without sacrificing both read range and universal UHF RFID band interoperability. A new improved design of a RFID passive tag antenna is presented that performs well near problematic surfaces (human body, liquids, metals) across most of the universal UHF RFID (840-960 MHz) band. The antenna is based on a low-profile printed configuration with slots, and it is evaluated through extensive simulations and experimental tests.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:12 )