Near-Field Chipless-RFID System With High Data Capacity for Security and Authentication Applications

Herrojo, Cristian; Mata-Contreras, Javier; Núñez, Alba; Paredes, Ferran; Ramón, Eloi; Martín, Ferran

doi:10.1109/tmtt.2017.2768029

Cited by 81 publications

(50 citation statements)

References 45 publications

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“…Good alignment and uniform air gap distance between the tag chain and the resonator of the reader was achieved with this system. Nevertheless, our system supported some tolerances in the vertical direction (air gap) as well as lateral misalignments, as discussed in Herrojo et al [54]. With regard to the speed of reading, the system is limited by the sampling rate of the reader.…”

Section: The Readermentioning

confidence: 68%

“…Particularly, the structure under consideration is a microstrip line loaded with a split-ring resonator (SRR) in bandpass configuration, as depicted in Figure 2 [54]. This structure exhibits two singular frequencies: (i) a reflection zero frequency (where the signal between the input and the output port is transmitted), and (ii) a transmission zero frequency.…”

Section: The Readermentioning

confidence: 99%

“…The reader consists not only of the SRR-loaded line but also the envelope detector, plus additional electronics that are necessary to generate the harmonic (interrogation) signal. In numerous studies by Herrojo et al [50][51][52][53][54][55], the envelope detector was implemented by means of a Schottky diode (Avago HSMS-2860), an active probe which acts as a low-pass filter (with R = 1 MΩ and C = 1 pF) and an isolator to prevent reflections from the diode. In this work, an integrated circuit (Analog Devices ADL5511), able to provide the envelope function (hence reducing cost), was alternatively used.…”

Section: The Readermentioning

confidence: 99%

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Very Low-Cost 80-Bit Chipless-RFID Tags Inkjet Printed on Ordinary Paper

et al. 2018

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This paper presents a time-domain, chipless-RFID system with 80-bit tags inkjet-printed on ordinary DIN A4 paper. The tags, consisting of a linear chain of resonant elements (with as many resonators as the number of identification bits plus header bits), are read sequentially and by proximity (through near-field coupling). To this end, a transmission line, fed by a harmonic (interrogation) signal tuned to the resonance frequency of the tag resonators (or close to it), is used as a reader. Thus, during reader operation, the tag chain is mechanically shifted over the transmission line so that the coupling between the line and the functional resonant elements of the tag chain is favored. Logic states that '1' and '0' are determined by the functionality and non-functionality (resonator detuning), respectively, of the resonant elements of the chain. Through near-field coupling, the transmission coefficient of the line is modulated and, as a result, the output signal is modulated in amplitude (AM), which is the identification code contained in the envelope function. As long as the tags are inkjet-printed on ordinary DIN A4 paper, the cost is minimal. Moreover, such tags can be easily programmed and erased, so that identical tags can be fabricated on a large scale (and programmed at a later stage), further reducing the cost of manufacture. The reported prototype tags, with 80 bits of information plus four header bits, demonstrate the potential of this approach, which is of particular interest to secure paper applications.

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Section: The Readermentioning

confidence: 68%

Section: The Readermentioning

confidence: 99%

Section: The Readermentioning

confidence: 99%

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Very Low-Cost 80-Bit Chipless-RFID Tags Inkjet Printed on Ordinary Paper

et al. 2018

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“…In the literature, efforts have been made to present the product authentication capabilities by using chipless radio frequency (RF) identification (RFID). These authentication methods are developed by using, for example, dipoles [4], a 2D print comprising optical code as well as electromagnetic (EM) fingerprint [5], concentric ring slot resonators [6] (only simulations results), the split ring resonators [7], and RF absorbing markers [8]. In our previous work, we have demonstrated the possibility of chipless RFID based authentication.…”

Section: Introductionmentioning

confidence: 99%

Authentication Using Metallic Inkjet-Printed Chipless RFID Tags

Ali

Perret

Barbot

et al. 2020

IEEE Trans. Antennas Propagat.

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A high-level (i.e., in terms of security) authentication method is proposed in this paper, where the chipless radio frequency identification (RFID) is extended to the chipless authentication. The proposed method is based on low cost inkjet-printed square check patterned chipless tags, whose design is explicitly optimized keeping the randomness inherent to the inkjet printing process in view. These optimized chipless tags are very difficult to duplicate, as their unique backscattered electromagnetic (EM) responses depend on the proximate coupling among the possible separated squares, which is happened naturally due to the randomness in inkjet printing. The performance of the proposed method is analyzed by a low cost impulse radio (IR) ultrawideband (UWB) chipless RFID reader as well as by the highly accurate vector network analyzer (VNA) based chipless RFID reader. The achieved probability of error is comparable to the various fingerprint evaluation campaigns found in the literature.

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“…However, these tags are not recommended for cost-effective applications, owing to the high material costs and complex fabrication process. In frequency-based chipless RFID systems [7,8], the reader interrogates the tag with an electromagnetic (EM) waveform and then the tag retransmits (or backscatters) the response to the RFID reader. In the phase domain, differences in the phase profile techniques, more than one domain is used.…”

Section: Introductionmentioning

confidence: 99%

Four-State Coupled-Line Resonator for Chipless RFID Tags Application

Abdulkawi

Sheta

2019

Electronics

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A novel quad-state coupled-line microstrip resonator is proposed for compact chipless radio frequency identification (RFID) tags. The proposed resonator can be reconfigured to present one of four possible states: 00, 01, 10, and 11, representing, no resonance, resonance at f2, resonance at f1, and resonance at both f1 and f2, respectively. The frequency span between f2 and f1 can be easily controlled, thereby reducing the required spectrum. Moreover, the proposed technique allows the storage of a large amount of data in a compact size to reduce the cost per bit. A multi-resonator prototype consisting of six resonators is designed, analyzed, and experimentally characterized. This prototype is implemented on the RT Duroid 5880 substrate with a dielectric constant of 2.2, loss tangent of 0.0009, and thickness of 0.79 mm. The designed configuration can be reconfigured for 46 codes. Two complete the RFID tags, including the six resonators and two orthogonally polarized transmitting and receiving antennas, are implemented and tested. The first tag code is designed for all ones, 111111111111, and the second tag is designed as 101010101010 code. Experimental results show good agreement with the simulation.

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Near-Field Chipless-RFID System With High Data Capacity for Security and Authentication Applications

Cited by 81 publications

References 45 publications

Very Low-Cost 80-Bit Chipless-RFID Tags Inkjet Printed on Ordinary Paper

Very Low-Cost 80-Bit Chipless-RFID Tags Inkjet Printed on Ordinary Paper

Authentication Using Metallic Inkjet-Printed Chipless RFID Tags

Four-State Coupled-Line Resonator for Chipless RFID Tags Application

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