A New Design of UHF RFID Tag Antenna Using Double Negative Metamaterial Based on Fractal SRR

Ennajih, Abdelhadi; Zbitou, Jamal; Latrach, Mohamed; Errkik, Ahmed; Tajmouati, Abdelali; Abdellaoui, Larbi El

doi:10.15866/iremos.v10i6.12280

Cited by 2 publications

(2 citation statements)

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“…Theoretically, this RFID chip can be modeled electrically by a series RC-circuit as shown in Figure 3 (a) or parallels RC-circuit as presented in Figure 3 (b). The parameters Rp, Rs, Cp, and Cs are computed from (1), ( 2), (3), and (4) [24], [25].…”

Section: Rfid Microchipmentioning

confidence: 99%

A new design of UHF tag antenna for clothing identification using SRR

Nasiri¹,

Errkik²,

Zbitou

2021

TELKOMNIKA

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In this paper, we present a new antenna for radio frequency identification (RFID) tag operating in the Moroccan ultra high frequency (UHF) band around 868 MHz, this antenna is designed on a flexible plastic substrate of relative permittivity 3 and low tangential losses which is 0.002. The proposed tag is designed to identify clothing in supermarkets. The tag antenna has a miniature size of 38 mm in length and 26 mm in width. This miniature size was obtained by using two rectangular split ring resonator (RSRR). The impedance matching of the RFID chip with the antenna was carried out by a double T-matching structure. The antenna is designed, simulated and optimized using computer simulation technology (CST) microwave studio software and good results have been obtained in terms of impedance matching, gain and read range.

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Section: Rfid Microchipmentioning

confidence: 99%

A new design of UHF tag antenna for clothing identification using SRR

Nasiri¹,

Errkik²,

Zbitou

2021

TELKOMNIKA

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“…The metamaterial structure was simulated under the CST MWS software to extract its effective parameters in order to verify the metamaterial effect around the desired band at the operating frequency of our antenna. Figure 3 The method that we have used for extracting the actual parameters is known as the Nicolson-Ross-Weir method [21][22][23]. It uses the following characterization equations: where: n is the refractive index, z is the wave impedance, S11 is the reflection coefficient, S21 is the transmission coefficient, k is the wave number and, d is the metamaterial unit cell thickness.…”

Section: Metamaterials Unit Cellmentioning

confidence: 99%

A wearable UHF RFID tag antenna-based metamaterial for biomedical applications

Ennajih¹,

Nasiri²,

Zbitou³

et al. 2020

Bulletin EEI

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The development of miniature antennas for bio-medical applications has attracted the attention of many researchers in the last years. In this letter, we provide a miniature antenna for the RFID tag for identifying patients in African and European hospitals. The proposed antenna is designed on a flexible silicon substrate with a relative dielectric constant of 11.9 and a thickness of 1.6mm. An in-depth study of the proposed wearable antenna was made in free space and on human tissue. The achieved results showed good performance in terms of miniaturization, bandwidth, impedance matching and, reading distance. The presented tag antenna is designed and simulated by using CST-MWS solver and the results were validated by HFSS and both results are in good agreement.

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A New Design of UHF RFID Tag Antenna Using Double Negative Metamaterial Based on Fractal SRR

Cited by 2 publications

References 0 publications

A new design of UHF tag antenna for clothing identification using SRR

A new design of UHF tag antenna for clothing identification using SRR

A wearable UHF RFID tag antenna-based metamaterial for biomedical applications

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