Chipless-RFID: A review and recent developments

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Abstract

© 2019 by the authors. Licensee MDPI, Basel, Switzerland. In this paper, a review of the state-of-the-art chipless radiofrequency identification (RFID) technology is carried out. This recent technology may provide low cost tags as long as these tags are not equipped with application specific integrated circuits (ASICs). Nevertheless, chipless-RFID presents a series of technological challenges that have been addressed by different research groups in the last decade. One of these challenges is to increase the data storage capacity of tags, in order to be competitive with optical barcodes, or even with chip-based RFID tags. Thus, the main aim of this paper is to properly clarify the advantages and disadvantages of chipless-RFID technology. Moreover, since the coding information is an important aspect in such technology, the di_erent coding techniques, as well as the main figures of merit used to compare di_erent chipless-RFID tags, will be analyzed.
Original languageEnglish
Article number3385
JournalSensors (Switzerland)
Volume19
Issue number15
DOIs
Publication statusPublished - 1 Aug 2019

Keywords

  • Chipless-RFID
  • Coding techniques
  • Frequency domain
  • Hybrid chipless-RFID tags
  • Time domain

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