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UHF RFID Cabinet

Medeiros, C. R. ; Serra, C. C. ; Fernandes, C. A. ; Costa, J.R.

UHF RFID Cabinet, Proc IEEE AP-S/URSI International Symp., Spokane, United States, Vol. 1, pp. 1429 - 1432, July, 2011.

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Abstract
This paper presents a dedicated UHF reader antenna to be mounted inside a pharmaceutical cabinet for RFID reading of UHF tags attached to pharmaceutical items. The proposed solution is based on a group of four circularly polarized patch antennas. The antennas’ simulated and measured performances are presented. Experimental tests of self-standing tags and of tags attached to medical objects were performed and demonstrate a good detection score, confined to the interior of the cabinet in order to avoid undesired detections on the outside.