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Sensors and Sensing Technology: RFID Devices

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 1487

Special Issue Editors


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Guest Editor
Faculty of Engineering, University of Deusto, 48007 Bilbao, Spain
Interests: RFID; communication protocols and standards; wireless sensor networks; Internet of Things; Industry 4.0
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Engineering, University of Deusto, 48007 Bilbao, Spain
Interests: machine vision; image processing; robotics; machine learning; pattern recognition
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Engineering, University of Deusto, 48007 Bilbao, Spain
Interests: wireless sensors; neuro engineering; RFID; communication protocols and standards

Special Issue Information

Dear Colleagues,

RFID sensor technology is proving to be a very promising field within IoT technologies. There are passive or semi-passive sensor tags which do not need a direct line of sight with the reader to backscatter their sensed information. This allows the sensors to be embedded in clothing, objects, or even the body itself, proving itself as a passive non-intrusive technology.

There are many types of RFID sensors: NFC sensors, UHF sensors (with or without chips), and commercial tags used as sensors. Each of them has advantages and disadvantages, but all of them share the same main restriction: a reader must provide the reading signal and power signal in order for the sensors to be able to answer. This limits the type of sensor applications that can be performed, and, in addition, a great deal of work must be carried out to process the information obtained, making the use of AI of great interest. An example is the use of a commercial off-the-shelf (COTS) tag and the postprocessing of its raw signal to obtain information and analyze its response. This is a typical sensing application that uses an extremely cheap sensor.

Many fields are perfect candidates for applying this technology: home automation, industry, navigation, automotive manufacturing, and robotics. This Special Issue focuses on applications or successful cases using RFID sensors. It also focuses on the use of this type of sensor and the resolution of various problems involved in their use, such as the processing of information using AI algorithms. Potential topics include, but are not limited to, the following:

  • RFID sensing in industry;
  • Energy scavenging wireless sensors and ambient backscatter communication applications;
  • UHF RFID sensors applications;
  • Applications using RFID wearables;
  • Artificial intelligence algorithms applied to RFID sensing;
  • Pattern recognition on RFID sensing applications.

Dr. Hugo Landaluce
Dr. Alberto Tellaeche
Dr. Laura Arjona
Guest Editors

Manuscript Submission Information

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Published Papers (2 papers)

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Research

25 pages, 13376 KiB  
Article
Efficiency Improvement for Chipless RFID Tag Design Using Frequency Placement and Taguchi-Based Initialized PSO
by Cong-Cuong Le, Trung-Kien Dao, Ngoc-Yen Pham and Thanh-Huong Nguyen
Sensors 2024, 24(14), 4435; https://doi.org/10.3390/s24144435 - 9 Jul 2024
Viewed by 559
Abstract
Frequency encoding chipless Radio Frequency Identification (RFID) tags have been frequently using the radar cross section (RCS) parameter to determine the resonant frequencies corresponding to the encoded information. Recent advancements in chipless RFID design have focused on the generation of multiple frequencies without [...] Read more.
Frequency encoding chipless Radio Frequency Identification (RFID) tags have been frequently using the radar cross section (RCS) parameter to determine the resonant frequencies corresponding to the encoded information. Recent advancements in chipless RFID design have focused on the generation of multiple frequencies without considering the frequency position and signal amplitude. This article proposes a novel method for chipless RFID tag design, in which the RCS response can be located at an exact position, corresponding to the desired encoding signal spectrum. To achieve this, the empirical Taguchi method (TM), in combination with particle swarm optimization (PSO), is used to automatically search for optimal design parameters for chipless RFID tags with a fast response time, to comply with the frequency encoding requirements in the presence of the mutual coupling effect. The proposed design method is validated using I-slotted chipless tag structures that are fabricated and measured with different sets of resonant frequencies. Full article
(This article belongs to the Special Issue Sensors and Sensing Technology: RFID Devices)
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18 pages, 10650 KiB  
Article
Textronic Capacitive Sensor with an RFID Interface
by Patryk Pyt, Kacper Skrobacz, Piotr Jankowski-Mihułowicz and Mariusz Węglarski
Sensors 2024, 24(12), 3706; https://doi.org/10.3390/s24123706 - 7 Jun 2024
Viewed by 556
Abstract
This article presents an innovative combination of textile electrical circuits with advanced capabilities of electronic RFID sensors, indicating the revolutionary nature of the development of textronics, which is used in various areas of life, from fashion to medicine. A review of the literature [...] Read more.
This article presents an innovative combination of textile electrical circuits with advanced capabilities of electronic RFID sensors, indicating the revolutionary nature of the development of textronics, which is used in various areas of life, from fashion to medicine. A review of the literature relating to the construction of textronic RFID identifiers and capacitive textronic sensors is performed. Various approaches to measuring capacity using RFID tags are discussed. This article focuses on presenting the concept of a capacitive sensor with an RFID interface, consisting of a microelectronic part and a textile part. The textile part is based on the WL4007 material, where antennas and capacitive sensors are embroidered using SPARKFUN DEV 11791 conductive thread. The antenna is a half-wave dipole designed to operate at a frequency of 860 MHZ. The microelectronic part is sewn to the textile part and consists of a microcontroller, an RFID-integrated circuit and a coupling loop, placed on the PCB. The embroidered antenna is coupled with a loop on the microelectronic module. This article focuses on presenting various designs of textronic electrodes, enabling various types of measurements. Article presents capacitance measurements of individual sensor electrodes, made using a measuring bridge and a built RFID tag. The sensors’ capacity measurement results are shown. Full article
(This article belongs to the Special Issue Sensors and Sensing Technology: RFID Devices)
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