A UHF RFID reader antenna for searching tagged items

Achilles Boursianis, Theodoros Samaras, Anastasis C. Polycarpou, John N. Sahalos

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In this work, a mobile atenna of a UHF RFID reader for searching tagged items on the shelves is presented. The antenna consists of a microstrip array of alternating orthogonal double dipoles which are fed in series by a meander microstrip line. The individual dipoles are designed such as to provide high bandwidth. The distance between the double dipoles is adjusted in order to excite them in phase at 867MHz and create two orthogonal electric-field components. The number of dipoles and the inter-element distance create beams with direction diversity. Based on the analysis of the pattern and the radiated field in the near-field zone, it was found that a semicylindrical area around the axis of the antenna is sufficiently covered.

Original languageEnglish
Title of host publication2014 IEEE RFID Technology and Applications Conference, RFID-TA 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages193-198
Number of pages6
ISBN (Electronic)9781479946808
DOIs
Publication statusPublished - 22 Oct 2014
Event2014 IEEE RFID Technology and Applications Conference, RFID-TA 2014 - Tampere, Finland
Duration: 8 Sep 20149 Sep 2014

Other

Other2014 IEEE RFID Technology and Applications Conference, RFID-TA 2014
CountryFinland
CityTampere
Period8/09/149/09/14

Keywords

  • library management system
  • propagation
  • reader antennas
  • RFID

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  • Cite this

    Boursianis, A., Samaras, T., Polycarpou, A. C., & Sahalos, J. N. (2014). A UHF RFID reader antenna for searching tagged items. In 2014 IEEE RFID Technology and Applications Conference, RFID-TA 2014 (pp. 193-198). [6934226] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/RFID-TA.2014.6934226