Passive RFID at millimeter waves

Pekka Pursula, Francesco Donzelli, Heikki Seppä

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)

Abstract

This paper introduces a novel way to implement passive RF identification (RFID) at millimeter waves. Passive operation is achieved by adding an external mixing element between the tag antenna and a standard RFID chip. The mixing element converts the RFID reader signal from millimeter waves to RFID carrier frequency-the RFID chip operates as usual. Either passive or semipassive RFID circuits at any RFID carrier frequency can be used. The reader's TX and RX ports are similarly equipped with external mixers to convert the reader output to millimeter waves and received millimeter-wave signal to RFID carrier frequency. The paper analyses the concept theoretically with a Schottky diode as the mixing element. The design and experimental demonstration of the operation at 10 GHz are presented. Using an EPC-compliant UHF tag integrated circuit and reader, a range of 30 cm is demonstrated, but range extension to over a meter is feasible.
Original languageEnglish
Pages (from-to)2151-2157
Number of pages7
JournalIEEE Transactions on Microwave Theory and Techniques
Volume59
Issue number8
DOIs
Publication statusPublished - 2011
MoE publication typeA1 Journal article-refereed

Fingerprint

readers
Millimeter waves
millimeter waves
carrier frequencies
chips
Schottky diodes
integrated circuits
Integrated circuits
Diodes
Demonstrations
antennas
Antennas
Networks (circuits)
output

Keywords

  • Millimeter-wave identification (MMID)
  • RF identification (RFID)

Cite this

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title = "Passive RFID at millimeter waves",
abstract = "This paper introduces a novel way to implement passive RF identification (RFID) at millimeter waves. Passive operation is achieved by adding an external mixing element between the tag antenna and a standard RFID chip. The mixing element converts the RFID reader signal from millimeter waves to RFID carrier frequency-the RFID chip operates as usual. Either passive or semipassive RFID circuits at any RFID carrier frequency can be used. The reader's TX and RX ports are similarly equipped with external mixers to convert the reader output to millimeter waves and received millimeter-wave signal to RFID carrier frequency. The paper analyses the concept theoretically with a Schottky diode as the mixing element. The design and experimental demonstration of the operation at 10 GHz are presented. Using an EPC-compliant UHF tag integrated circuit and reader, a range of 30 cm is demonstrated, but range extension to over a meter is feasible.",
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Passive RFID at millimeter waves. / Pursula, Pekka; Donzelli, Francesco; Seppä, Heikki.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 59, No. 8, 2011, p. 2151-2157.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Pursula, Pekka

AU - Donzelli, Francesco

AU - Seppä, Heikki

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AB - This paper introduces a novel way to implement passive RF identification (RFID) at millimeter waves. Passive operation is achieved by adding an external mixing element between the tag antenna and a standard RFID chip. The mixing element converts the RFID reader signal from millimeter waves to RFID carrier frequency-the RFID chip operates as usual. Either passive or semipassive RFID circuits at any RFID carrier frequency can be used. The reader's TX and RX ports are similarly equipped with external mixers to convert the reader output to millimeter waves and received millimeter-wave signal to RFID carrier frequency. The paper analyses the concept theoretically with a Schottky diode as the mixing element. The design and experimental demonstration of the operation at 10 GHz are presented. Using an EPC-compliant UHF tag integrated circuit and reader, a range of 30 cm is demonstrated, but range extension to over a meter is feasible.

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KW - RF identification (RFID)

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