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Proceedings ArticleDOI

Miniaturized chipless RFID tag using multiple microstrip resonators

Manan Narula1, Aman Kumar1
01 Mar 2017-pp 101-104
TL;DR: In this article, a new design to implement chipless RFID technology using rectangular ring shaped microstrip resonators of various structures to obtain different frequency signatures in the super high frequency range (2-3 GHz).
Abstract: This paper proposes a new design to implement chipless RFID technology using rectangular ring shaped microstrip resonators of various structures to obtain different frequency signatures in the super high frequency range (2–3 GHz). It is observed that the prototype has minimal return loss and maximum resonance level has also been achieved which has been verified with graphical stimulated results and by numerical retrieval of parameters.
References
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Journal ArticleDOI
TL;DR: A fully passive printable chipless RFID system that uses the amplitude and phase of the spectral signature of a multiresonator circuit and provides 1:1 correspondence of data bits for low-cost item tagging such as banknotes and secured documents is presented.
Abstract: A fully passive printable chipless RFID system is presented. The chipless tag uses the amplitude and phase of the spectral signature of a multiresonator circuit and provides 1:1 correspondence of data bits. The tag comprises of a microstrip spiral multiresonator and cross-polarized transmitting and receiving microstrip ultra-wideband disc loaded monopole antennas. The reader antenna is a log periodic dipole antenna with average 5.5-dBi gain. Firstly, a 6-bit chipless tag is designed to encode 000000 and 010101 IDs. Finally, a 35-bit chipless tag based on the same principle is presented. The tag has potentials for low-cost item tagging such as banknotes and secured documents.

460 citations

Journal ArticleDOI
TL;DR: A novel CMOS integrated circuit for a batteryless transponder system that gives a superior performance in reading distance due to separation of the powering and data transmission phases-compared to systems with continuous powering and damping modulation.
Abstract: A novel CMOS integrated circuit for a batteryless transponder system is presented. Batteryless transponders require contactless transmission of both the information and power between a mobile data carrier and a stationary or handheld reader unit. The operating principle of this system gives a superior performance in reading distance due to separation of the powering and data transmission phases-compared to systems with continuous powering and damping modulation. This paper describes the function of the transponder IC and the circuit design techniques used for the various building blocks. >

183 citations


"Miniaturized chipless RFID tag usin..." refers background in this paper

  • ...The current work in this field focuses on development of chipless RFID tags with reduced cost [1]....

    [...]

Proceedings ArticleDOI
01 Jan 2005
TL;DR: In this paper, a new method of realising RF barcodes is presented using arrays of identical microstrip dipoles capacitively tuned to be resonant at different frequencies within the desired licensed-free ISM bands.
Abstract: A new method of realising RF barcodes is presented using arrays of identical microstrip dipoles capacitively tuned to be resonant at different frequencies within the desired licensed-free ISM bands. When interrogated, the reader detects each dipole's resonance frequency and with n resonant dipoles, potentially 2/sup n/-1 items in the field can be tagged and identified. Results for RF barcode elements in the 5.8 GHz band are presented. It is shown that with accurate centre frequency prediction and by operating over multiple ISM and other license-exempt bands, a useful number of information bits can be realised. Further increase may be possible using ultra-wideband (UWB) technology. Low cost lithographic printing techniques based on using metal ink on low cost substrates could lead to an economical alternative to current RFID systems in many applications.

142 citations


"Miniaturized chipless RFID tag usin..." refers background in this paper

  • ...Chipless RFID tag that uses a series of capacitively tuned antennas is reported in [2]....

    [...]

Journal ArticleDOI
TL;DR: A novel compact RFID tag employing open stubs in a microstrip transmission line is proposed and a prototype of 8 bit data encoded tag is demonstrated in this communication.
Abstract: A novel compact RFID tag employing open stubs in a microstrip transmission line is proposed. The prototype of the tag is fabricated on a substrate of dielectric constant 4.4 and loss tangent 0.0018. The tag consists of microstrip open stub resonators and cross polarized transmitting and receiving disc monopole antennas. A prototype of 8 bit data encoded tag is demonstrated in this communication. Method for enhancing the performance of the RFID tag is also proposed. Magnitude or group delay response can be used to decode the tag informations.

93 citations


"Miniaturized chipless RFID tag usin..." refers background in this paper

  • ...Various other approaches for designing spectral signatures for tags are mentioned in [4-10]....

    [...]

Journal ArticleDOI
TL;DR: In this article, a printable chipless tag with electromagnetic code using split ring resonators is proposed, which can be applied to paper/plastic-based items such as ID cards, tickets, banknotes and security documents.
Abstract: In this letter, a printable chipless tag with electromagnetic code using split ring resonators is proposed. A 4 b chipless tag that can be applied to paper/plastic-based items such as ID cards, tickets, banknotes and security documents is designed. The chipless tag generates distinct electromagnetic characteristics by various combinations of a split ring resonator. Furthermore, a reader system is proposed to digitize electromagnetic characteristics and convert chipless tag to electromagnetic code.

90 citations


"Miniaturized chipless RFID tag usin..." refers background in this paper

  • ...Various other approaches for designing spectral signatures for tags are mentioned in [4-10]....

    [...]