Passive UHF RFID tags with specific printed antennas for dielectric and metallic objects applications

Katherine Siakavara, Sotirios Goudos, Argiris Theopoulos, John Sahalos

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Design process and respective results for the synthesis of specific Radiofrequency Identification (RFID) tag antennas, suitable for dielectric and metallic objects, are presented. The antennas were designed for the UHF (865 MHz-869 MHz) band and their basic configuration is that of the printed spiral type. Six modification steps to the classical spiral layout are proposed and it was proved that they can lead to tags with high readability and reading distances up to 10 m when designed for dielectric object and up to 7 m in the case of metallic objects. The results of the measurements of the fabricated tags are explained via theoretical evaluations which take into account reflection phenomena, which are present in a real environment at which the tags are used.

Original languageEnglish
Pages (from-to)735-745
Number of pages11
JournalRadioengineering
Volume26
Issue number3
DOIs
Publication statusPublished - 1 Sep 2017

Keywords

  • Printed antennas
  • RFID tags
  • Spiral antennas

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