Wearable Textile UHF-RFID Sensors: A Systematic Review

Luo, Chengyang; Gil, Ignacio; Fernández‐García, Raúl

doi:10.3390/ma13153292

Cited by 36 publications

(19 citation statements)

References 79 publications

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“…In addition to strain and compression sensing, in recent years, wearable UHF RFID sensors are being developed for a wide range of applications. However, there exists a gap between research laboratories and commercialization that needs to be filled [20]. Wearable UHF RFID-based wearable moisture [21,22], temperature sensors [23] are being developed.…”

Section: Related Workmentioning

confidence: 99%

Passive UHF RFID-Based Knitted Wearable Compression Sensor

Tajin

Amanatides

Dion

et al. 2021

IEEE Internet Things J.

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One of the major challenges faced by passive on-body wireless Internet of Things (IoT) sensors is the absorption of radiated power by tissues in the human body. We present a battery-less, wearable knitted Ultra High Frequency (UHF, 902-928 MHz) Radio Frequency Identification (RFID) compression sensor (Bellypatch) antenna and show its applicability as an on-body respiratory monitor. The antenna radiation efficiency is satisfactory in both free-space and on-body operations. We extract RF (Radio Frequency) sheet resistance values of three knitted silver-coated nylon fabric candidates at 913 MHz. The best type of fabric is selected based on the extracted RF sheet resistance. Simulated and measured performance of the antenna confirm suitability for on-body applications. The proposed Bellypatch antenna is used to measure the breathing activity of a programmable infant patient emulator mannequin (SimBaby) and a human subject. The antenna is highly sensitive to respiratory compression and relaxation. Fluctuations in the backscatter power level/Received Signal Strength Indicator (RSSI) in both cases range from 6 dB to 15 dB. The improved on-body read range of the proposed sensor antenna is 5.8 m, about 10 times higher than its predecessor wearable knitted strain sensing Bellyband antenna (0.6 m). The maximum simulated Specific Absorption Rate (SAR) on a human torso model is 0.25 W/kg, lower than the maximum allowable limit of 1.6 W/kg.

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Section: Related Workmentioning

confidence: 99%

Passive UHF RFID-Based Knitted Wearable Compression Sensor

Tajin

Amanatides

Dion

et al. 2021

IEEE Internet Things J.

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“…RFID systems have been used in vehicles, in such a way that they would be used as a means for payment, or identification. [5]. This technology is often used in expressways in the Philippines, or in private parking lots.…”

Section: Background Of the Studiesmentioning

confidence: 99%

Design and Analysis of UHF RFID Tag using MATLAB

2020

IJETER

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RFID is one of the biggest electronics markets being used in several industries and is responsible for many communication networks and systems. This project proposed to create a program using MATLAB to simulate a function which is like a RFID tag and scanner. The generated program was made with the help of the antenna toolbox from MATLAB. With this toolbox custom antennas were which means it was possible to generate unique antenna geometry and meshes, along with being able to determine the required impedance. Antenna Toolbox and PDE Modeler is a feature MATLAB provides where it includes commands to see the parameters in designing and analyzing RFID networks.

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“…Various applications involving textile printed electronics have been developed in different research fields. Basic patterns with conductive materials have been proposed to evaluate their operation as data or as energy transmission tracks with single-layer applications [ 3 ], such as RFID antennas [ 4 ], or multilayer applications [ 5 , 6 ], permitting, for instance, shielding [ 7 ] and better noise insulation [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

Low-Temperature Soldering of Surface Mount Devices on Screen-Printed Silver Tracks on Fabrics for Flexible Textile Hybrid Electronics

Silvestre

Llopis

Rodrigo

et al. 2022

Sensors

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The combination of flexible-printed substrates and conventional electronics leads to flexible hybrid electronics. When fabrics are used as flexible substrates, two kinds of problems arise. The first type is related to the printing of the tracks of the corresponding circuit. The second one concerns the incorporation of conventional electronic devices, such as integrated circuits, on the textile substrate. Regarding the printing of tracks, this work studies the optimal design parameters of screen-printed silver tracks on textiles focused on printing an electronic circuit on a textile substrate. Several patterns of different widths and gaps between tracks were tested in order to find the best design parameters for some footprint configurations. With respect to the incorporation of devices on textile substrates, the paper analyzes the soldering of surface mount devices on fabric substrates. Due to the substrate’s nature, low soldering temperatures must be used to avoid deformations or damage to the substrate caused by the higher temperatures used in conventional soldering. Several solder pastes used for low-temperature soldering are analyzed in terms of joint resistance and shear force application. The results obtained are satisfactory, demonstrating the viability of using flexible hybrid electronics with fabrics. As a practical result, a simple single-layer circuit was implemented to check the results of the research.

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Wearable Textile UHF-RFID Sensors: A Systematic Review

Cited by 36 publications

References 79 publications

Passive UHF RFID-Based Knitted Wearable Compression Sensor

Passive UHF RFID-Based Knitted Wearable Compression Sensor

Design and Analysis of UHF RFID Tag using MATLAB

Low-Temperature Soldering of Surface Mount Devices on Screen-Printed Silver Tracks on Fabrics for Flexible Textile Hybrid Electronics

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