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10.3390/electronics10222861
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Article

Improving the Sensitivity of Chipless RFID Sensors: The Case of a Low-Humidity Sensor

by
Giada Marchi
1,2,
Viviana Mulloni
1,
Omar Hammad Ali
1,
Leandro Lorenzelli
1 and
Massimo Donelli
3,*
1
Centre for Sensors and Devices, Fondazione Bruno Kessler, 38123 Trento, Italy
2
Department of Information Engineering and Computer Science, University of Trento, 38123 Trento, Italy
3
Department of Civil Environmental and Mechanical Engineering, University of Trento, 38123 Trento, Italy
*
Author to whom correspondence should be addressed.
Electronics 2021, 10(22), 2861; https://doi.org/10.3390/electronics10222861
Submission received: 27 October 2021 / Revised: 15 November 2021 / Accepted: 18 November 2021 / Published: 20 November 2021
(This article belongs to the Special Issue Advances in Chipless RFID Technology)
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Abstract

This study is supposed to introduce a valid strategy for increasing the sensitivity of chipless radio frequency identification (RFID) encoders. The idea is to properly select the dielectric substrate in order to enhance the contribution of the sensitive layer and to maximize the frequency shift of the resonance peak. The specific case of a chipless sensor suitable for the detection of humidity in low-humidity regimes will be investigated both with numerical and experimental tests.
Keywords: chipless RFID sensors; microwave systems; humidity sensor; sensing materials; Nafion 117; sensor sensitivity chipless RFID sensors; microwave systems; humidity sensor; sensing materials; Nafion 117; sensor sensitivity

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MDPI and ACS Style

Marchi, G.; Mulloni, V.; Hammad Ali, O.; Lorenzelli, L.; Donelli, M. Improving the Sensitivity of Chipless RFID Sensors: The Case of a Low-Humidity Sensor. Electronics 2021, 10, 2861. https://doi.org/10.3390/electronics10222861

AMA Style

Marchi G, Mulloni V, Hammad Ali O, Lorenzelli L, Donelli M. Improving the Sensitivity of Chipless RFID Sensors: The Case of a Low-Humidity Sensor. Electronics. 2021; 10(22):2861. https://doi.org/10.3390/electronics10222861

Chicago/Turabian Style

Marchi, Giada, Viviana Mulloni, Omar Hammad Ali, Leandro Lorenzelli, and Massimo Donelli. 2021. "Improving the Sensitivity of Chipless RFID Sensors: The Case of a Low-Humidity Sensor" Electronics 10, no. 22: 2861. https://doi.org/10.3390/electronics10222861

APA Style

Marchi, G., Mulloni, V., Hammad Ali, O., Lorenzelli, L., & Donelli, M. (2021). Improving the Sensitivity of Chipless RFID Sensors: The Case of a Low-Humidity Sensor. Electronics, 10(22), 2861. https://doi.org/10.3390/electronics10222861

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