A Compact L-Shaped 16 Bit Polarization Independent Chipless RFID Tag

Haider, Usman; Noman, Muhammad; Ullah, Hidayat; Tahir, Farooq A.

doi:10.1109/ucet51115.2020.9205384

Cited by 11 publications

(6 citation statements)

References 11 publications

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“…These tags, therefore, consist of only resonating structures. Consequently, fully-passive tags are comparatively more compact and have higher code densities [10], [11], [12]. The information stored on a CRFID tag can be decoded by using either frequency domain (FD) or time domain (TD) techniques.…”

Section: Introductionmentioning

confidence: 99%

“…The information stored on a CRFID tag can be decoded by using either frequency domain (FD) or time domain (TD) techniques. Several chipless tags employing the above techniques have been recently published in the literature [10], [11], [12], [13], [14], [15]. In [10], [11], [12], CRFID tags are designed using multiresonators for encoding the desired information.…”

Section: Introductionmentioning

confidence: 99%

“…Several chipless tags employing the above techniques have been recently published in the literature [10], [11], [12], [13], [14], [15]. In [10], [11], [12], CRFID tags are designed using multiresonators for encoding the desired information. Their EM signatures are measured using FD approach in which presence or absence of a resonance peak is noted.…”

Section: Introductionmentioning

confidence: 99%

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A Novel Design Methodology to Realize a Single Byte Chipless RFID Tag by Loading a Square Open-Loop Resonator With Micro-Metallic Cells

et al. 2023

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In this paper, a unique structural design methodology for chipless radio-frequency identification (RFID) tags in frequency domain is presented. The tag geometry is developed by loading an open-loop resonator with micro-metallic-cells (MMC). The realization give rise to a checkerboard resonator type with electromagnetic signatures in its radar cross section that are extremely efficient to manipulate. The resonators layout is distributed on either side of a Rogers substrate to double its coding density. The proposed chipless RFID tag has a memory of 8-bits in total. The operating band of the tag is 6.5-10.5 GHz. The tag has a high bit coding density of 10.94 bits/cm 2 and spectral efficiency of 2 bits/GHz. The tag has a very compact size of 17.4 × 4.2 mm 2 . The simple structuring methodology and efficient resonators layout will give RFID system designers the flexibility to apply the proposed tag in a wide range of modern applications.INDEX TERMS Chipless radio frequency identification (CRFID), frequency-domain (FD), miniaturization, open-loop, radar cross section (RCS), resonators, tag.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Novel Design Methodology to Realize a Single Byte Chipless RFID Tag by Loading a Square Open-Loop Resonator With Micro-Metallic Cells

et al. 2023

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“…In the recent literature, many chipless tags based on frequency and time domain techniques have been proposed. Tags in which a multi resonator structure is used to encode the data have been presented [4][5][6][7]. In these types of tags, information is encoded using the FD technique, where the presence and absence of the resonant peaks are encoded as '1' and '0', respectively.…”

Section: Introductionmentioning

confidence: 99%

High-Capacity Double-Sided Square-Mesh-Type Chipless RFID Tags

et al. 2023

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This paper presents a novel methodology for designing high-capacity frequency domain chipless RFID tags based on the backscattering principle. The tag consists of multiple square open-loop resonators loaded with a varying number of square metallic patches to form a mesh structure. Thus, in contrast to conventional designs, the overall physical size of each resonator remains fixed and does not change with respect to its operating resonant frequency. The RCS response of the proposed tag can be easily manipulated by varying the loading factor of each resonator. The tag size is further miniaturized by placing resonators on both sides of the substrate used. The tag configuration with resonators arranged in the form of a single row (4 × 1) printed on both sides of the substrate is finally chosen for maximum robustness and efficiency. The frequency shift coding (FSC) technique is used to encode more than one bit per resonator by using segments within sub-bands. The proposed tag encodes 16-bit data in a frequency band from 5.9 to 10.5 GHz and has a very high code density of 23.51 bits/cm2 and a spectral efficiency of 3.47 bits/GHz. The design methodology is novel and leads to a very efficient chipless RFID tag that can be used in a variety of high-data-capacity applications.

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“…The RCS contains encoded information about the tag in question. Several CRFID tags based on these frequency domain (FD) techniques have been proposed [ 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 ] to cope with challenges such as: code density, spectral efficiency, conformability, and cost.…”

Section: Introductionmentioning

confidence: 99%

A 32-Bit Single Quadrant Angle-Controlled Chipless Tag for Radio Frequency Identification Applications

Noman

Haider

Ullah

et al. 2022

Sensors

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A 32-bit chipless RFID tag operating in the 4.5–10.9 GHz band is presented in this paper. The tag has a unique multiple-arc-type shape consisting of closely packed 0.2 mm wide arcs of different radii and lengths. The specific tag geometry provides multiple resonances in frequency domain of an RCS plot. A frequency domain coding technique has also been proposed to encode the tag’s RCS signature into a 32-bit digital identification code. The tag has an overall dimension of 17.9 × 17.9 mm2, resulting in a high code density of 9.98 bits/cm2 and spectral efficiency of 5 bits/GHz. The proposed tag is built on a low loss substrate bearing a very small footprint, thereby making it extremely suitable for large-scale product identification purposes in future chipless RFID tag systems.

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A Compact L-Shaped 16 Bit Polarization Independent Chipless RFID Tag

Cited by 11 publications

References 11 publications

A Novel Design Methodology to Realize a Single Byte Chipless RFID Tag by Loading a Square Open-Loop Resonator With Micro-Metallic Cells

A Novel Design Methodology to Realize a Single Byte Chipless RFID Tag by Loading a Square Open-Loop Resonator With Micro-Metallic Cells

High-Capacity Double-Sided Square-Mesh-Type Chipless RFID Tags

A 32-Bit Single Quadrant Angle-Controlled Chipless Tag for Radio Frequency Identification Applications

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