Metamaterials for Wireless Communications, Radiofrequency Identification, and Sensors

Martín, Ferrán

doi:10.5402/2012/780232

Cited by 13 publications

(15 citation statements)

References 150 publications

(179 reference statements)

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“…CRLH transmission lines are metamaterial-inspired transmission lines that effectively exhibit metamaterial characteristics through the direct engineering of the impedance and dispersion/(phase constant) of the transmission line, as described by Martín in References [46,47] and by Caloz and Ioh [48]. The unit cell of the common right-hand (RH) transmission line is shown in Figure 3a and beside it in Figure 3b is the dual circuit, the left-hand (LH) transmission line.…”

Section: Time and Phase Domain Tagsmentioning

confidence: 99%

“…The extra circuit elements present in a CRLH transmission line (TL) circuit model allows for the tailoring of the (Bloch) Impedance, Ζ and Phase Constant, β . The relationships between these properties and the various CRLH elements are described in Reference [47].…”

Section: Time and Phase Domain Tagsmentioning

confidence: 99%

“…( a ) Right-Hand (RH), ( b ) Left-Hand (LH) and ( c ) Composite Right-Left Hand (CRLH) Unit Cells—Adapted from Reference [47]. …”

Section: Figurementioning

confidence: 99%

“…Split Ring Resonator—Adapted from Reference [47] ( a ) and Bi-metallic Strip—Adapted from Reference [183] ( b ).…”

Section: Figurementioning

confidence: 99%

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A Review of Chipless Remote Sensing Solutions Based on RFID Technology

Gee

Anandarajah

Collins

2019

Sensors

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Chipless Radio Frequency Identification (RFID) has been used in a variety of remote sensing applications and is currently a hot research topic. To date, there have been a large number of chipless RFID tags developed in both academia and in industry that boast a large variation in design characteristics. This review paper sets out to discuss the various design aspects needed in a chipless RFID sensor. Such aspects include: (1) Addressing strategies to allow for unique identification of the tag, (2) Sensing mechanisms used to allow for impedance-based response signal modulation and (3) Sensing materials to introduce the desired impedance change when under the influence of the target stimulus. From the tabular comparison of the various sensing and addressing techniques, it is concluded that although many sensors provide adequate performance characteristics, more work is needed to ensure that this technology is capable/robust enough to operate in many of the applications it has been earmarked for.

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Section: Time and Phase Domain Tagsmentioning

confidence: 99%

Section: Time and Phase Domain Tagsmentioning

confidence: 99%

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A Review of Chipless Remote Sensing Solutions Based on RFID Technology

Gee

Anandarajah

Collins

2019

Sensors

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“…These sensors have a high versatility when measuring different parameters [1]. The sensing principle can be applied to different applications such as angular displacement and velocity [2], biological [3], stress [4], and pressure sensors [5], among others.…”

Section: Introductionmentioning

confidence: 99%

Split-Ring Resonator-based sensor for thin-film sensing applications

Galindo-Romera

Herráiz-Martínez

Gill

et al. 2016

2016 10th European Conference on Antennas and Propagation (EuCAP)

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A Split-Ring Resonator (SRR) based sensor for the detection of solid thickness is proposed. The structure is composed by a host microstrip transmission line loaded with two SRRs. The sensing principle is based on the detection of the notch introduced by the SRR in the transmission coefficient between the two ports of the microstrip line. Thus, a frequency shift of the notch in the transmission coefficient is related to a change in the effective permittivity of the structure when the sensor is covered with a solid. A complete characterization of the sensor is performed through simulations, thanks to a wide analysis of materials with different permittivity and thickness. Finally, the simulated results are corroborated with measurements. IndexTerms-Effective permittivity, metamaterial, permeability, sensor, Split-Ring Resonator (SRR).I.

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A Compact Metamaterial-Based Open-Ended CPW Band-Pass Filter for Wireless Applications

Surendar¹,

Subramaniyan²,

William³

2021

Arab J Sci Eng

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This article suggests an open-ended coplanar waveguide band-pass filter using stepped-impedance resonators (SIR) and complementary split-ring resonators (CSRR) that operates at a wider bandwidth with higher band selectivity at 4G-LTE applications. The filter described here is collimated to work in the frequency range of 2.23-4.2 GHz. SIR is used to provide improved selectivity at 2.6 GHz and 3.5 GHz with a return loss of − 30 dB and an insertion loss of − 0.2 dB. Similarly, including CSRR in the design aided in attaining broader bandwidth by ensuring a low ripple value across the bandwidth. The fractional bandwidth of 61.3 percent and a 2 GHz broad band coverage is accomplished with a small footprint of (16 × 16 × 0.8) mm 3 . The decreased dimensions of the filter result in a group delay of 0.5 ns for maximum filter performance. By loading CSRR into the structure, it established double negative property in the simulated frequency range of interest. A vector network analyzer is used to evaluate system characteristics such as operational bandwidth, return loss, and insertion loss (VNA). The filter's electrical size (0.19 × 0.19)λ g compactness substantiates its application in 4G-LTE-WLAN/WiMaX standards.

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Metamaterials for Wireless Communications, Radiofrequency Identification, and Sensors

Cited by 13 publications

References 150 publications

A Review of Chipless Remote Sensing Solutions Based on RFID Technology

A Review of Chipless Remote Sensing Solutions Based on RFID Technology

Split-Ring Resonator-based sensor for thin-film sensing applications

A Compact Metamaterial-Based Open-Ended CPW Band-Pass Filter for Wireless Applications

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