scholarly journals Wearable Textile UHF-RFID Sensors: A Systematic Review

Materials ◽  
2020 ◽  
Vol 13 (15) ◽  
pp. 3292
Author(s):  
Chengyang Luo ◽  
Ignacio Gil ◽  
Raúl Fernández-García
Keyword(s):  
Systematic Review ◽  
Radio Frequency Identification ◽  
High Frequency ◽  
State Of The Art ◽  
Learning Technology ◽  
Uhf Rfid ◽  
New Materials ◽  
Frequency Identification ◽  
The Common ◽  
Short Time

Textile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors based on different scenarios are becoming attractive with the forthcoming internet of things (IoT) era and aging society. Compared with conventional UHF-RFID sensors, textile UHF-RFID sensors offer the common textile features, light weight, washability and comfort. Due to the short time and low level of development, researches on the integration of textile UHF-RFID techniques and textile sensing techniques are not flourishing. This paper is motivated by this situation to identify the current research status. In this paper, we provide a systematic review of the fundamentals of textile UHF-RFID sensors techniques, materials, the brief history and the state-of-the-art of the scenario-based development through detailed summary and analysis on the achievements from the starting year of 2004 to the present time. Moreover, according to the analysis, we give a proposal of the future prospects in several aspects, including the new materials and manufacturing processes, machine learning technology, scenario-based applications and unavoidable reliability.

scholarly journals Longest-Range UHF RFID Sensor Tag Antenna for IoT Applied for Metal and Non-Metal Objects

Sensors ◽  
2019 ◽  
Vol 19 (24) ◽  
pp. 5460 ◽  
Author(s):  
Franck Kimetya Byondi ◽  
Youchung Chung
Keyword(s):  
Wireless Sensor Networks ◽  
Radio Frequency Identification ◽  
High Frequency ◽  
Wireless Sensor ◽  
The Internet ◽  
Uhf Rfid ◽  
Rfid Tag ◽  
Frequency Identification ◽  
The Internet Of Things ◽  
Read Range

This paper presents a passive cavity type Ultra High Frequency (UHF) Radio Frequency Identification (RFID) tag antenna having the longest read-range, and compares it with existing long-range UHF RFID tag antenna. The study also demonstrates mathematically and experimentally that our proposed longest-range UHF RFID cavity type tag antenna has a longer read-range than existing passive tag antennas. Our tag antenna was designed with 140 × 60 × 10 mm3 size, and reached 26 m measured read-range and 36.3 m mathematically calculated read-range. This UHF tag antenna can be applied to metal and non-metal objects. By adding a further sensing capability, it can have a great benefit for the Internet of Things (IoT) and wireless sensor networks (WSN).

System for the Management of Raw Materials Based on RFID Technology

2013 ◽  
Vol 371 ◽  
pp. 797-801 ◽  
Author(s):  
Octavian Ionescu ◽  
Gabriela Cristina Ionescu
Keyword(s):  
Production Process ◽  
Radio Frequency Identification ◽  
High Frequency ◽  
Raw Materials ◽  
Material Balance ◽  
Storage Tanks ◽  
Rfid Technology ◽  
Uhf Rfid ◽  
Frequency Identification ◽  
Radio Frequency Identification Device

The system presented in this article has been developed in order to solve several problems occurred during uploading raw materials in the storage tanks of a dry mix mortars plant and to keep an accurate material balance of raw materials introduced in the production process. The proposed approach was to implement a UHF, RFID (Ultra High Frequency, Radio Frequency Identification Device) system consisting of tags on the intake of the uploading pipes and outlets of the transportation trucks and a UHF, RFID Writer/Reader with four antennas in the proximity of uploading and to create an associate database for tracking the uploaded materials. The newly developed system has been successfully operationally tested in a dry mix mortar plant nearby Ploiesti.

A Novel Design of PIE Decoding with Multiple CRC Circuit for RFID Tag

2013 ◽  
Vol 816-817 ◽  
pp. 957-961
Author(s):  
Feng Ying Huang ◽  
Jun Wang ◽  
Yu Sen Xu ◽  
Ji Wei Huang
Keyword(s):  
Data Processing ◽  
Parallel Algorithm ◽  
Radio Frequency Identification ◽  
High Frequency ◽  
Pulse Interval ◽  
Uhf Rfid ◽  
Rfid Tag ◽  
Frequency Identification ◽  
Simulation Results ◽  
Novel Design

This paper proposes a new synchronized serial-parallel CRC(Cycle Redundancy Check) with PIE(Pulse Interval Encoding) decoding circuit for the UHF(Ultra-High Frequency) RFID(Radio Frequency Identification), which is based on the ISO/IEC 18000-6C standards protocol. The parallel algorithm of CRC circuit is derived, and the serial or parallel CRC circuit on RFID tag chip is evaluated in this paper. Finally, the designed circuit is simulated and analyzed on the FPGA platform. Simulation results show that the proposed circuit meets the communication requirement of the protocol and addresses the problem of low data processing rate of conventional serial CRC circuit, as well as implements 1 to 8 degree of parallelism of the parallel CRC circuit for UHF RFID.

A Miniaturized Circularly Polarized Antenna Design for RFID Reader

2014 ◽  
Vol 697 ◽  
pp. 425-428
Author(s):  
Yan Zhong Yu ◽  
Yun Yan Wang ◽  
Yan Ru Chen
Keyword(s):  
Radio Frequency Identification ◽  
High Frequency ◽  
Simple Structure ◽  
Low Cost ◽  
Surface Current ◽  
Antenna Design ◽  
Uhf Rfid ◽  
Circularly Polarized ◽  
Rfid Reader ◽  
Frequency Identification

A miniaturized circularly polarized (CP) antenna for ultra-high frequency (UHF) radio-frequency identification (RFID) reader is designed in the present paper. For the aim of miniaturizing antenna, the square radiating patch is opened by four T-shape slots. This can extend the route of surface current, as a result the operating frequency drops and the size reduces. In additional two diagonal corners of the radiation patch are truncated by a square to achieve CP operation. The designed antenna is calculated and optimized by HFSS. The optimized antenna exhibits satisfied performances, and is therefore suitable for UHF RFID reader applications. The designed antenna shows the advantages of small size, simple structure, and low cost.

scholarly journals An RFID model for improving workers’ safety at the seaport in transitional environment

Transport ◽  
2016 ◽  
Vol 33 (2) ◽  
pp. 353-363 ◽  
Author(s):  
Sanja Bauk ◽  
Anke Schmeink ◽  
Joan Colomer
Keyword(s):  
Communication Technology ◽  
Radio Frequency Identification ◽  
High Frequency ◽  
Harsh Environments ◽  
Uhf Rfid ◽  
Safety Measures ◽  
Information And Communication ◽  
Frequency Identification ◽  
Transitional Environment ◽  
Passive Rfid

The paper proposes a Radio Frequency IDentification (RFID) model for enhancing port workers’ safety with reference to the Port of Bar (Montenegro) as a developing seaport operating in a transitional environment. The paper also highlights the lack of appropriate Information and Communication Technology (ICT) solutions in some developing seaports, including safety-related ones. It emphasizes the importance of safety measures through the prism of reducing the number of accidents, and gives a review of some RFID safety solutions in the harsh environments. The main part of the paper deals with the RFID worker’s safety model proposed according to the Port of Bar’s individual needs. The model has been presented at a logic level, while some of the physical and link layers performances between the set of an active and several passive RFID devices embedded to the port workers’ Personal Protective Equipment (PPE) and the Ultra High Frequency (UHF) RFID readers located at the port perimeter, are simulated in Matlab and OMNeT++. The obtained results followed by discussions can be used as landmarks to the ports’ management in adapting this or a similar model for enhancing safety measures in the port and its promoting as a safety one at the maritime market.

On BFSA Collision Resolution in LF, HF, and UHF RFID Networks

2015 ◽  
Vol 4 (2) ◽  
pp. 44-55
Author(s):  
Varun Bhogal ◽  
Zornitza Genova Prodanoff ◽  
Sanjay P. Ahuja ◽  
Kenneth Martin
Keyword(s):  
Radio Frequency Identification ◽  
High Frequency ◽  
Large Scale ◽  
Low Frequency ◽  
Rfid Tags ◽  
Uhf Rfid ◽  
Ceteris Paribus ◽  
Frequency Identification ◽  
Major Factors ◽  
The Cost

RFID (radio frequency identification) technology has gained popularity in a number of applications. Decreased cost of hardware components along with wide adoption of international RFID standards have led to the rise of this technology. One of the major factors associated with the implementation of RFID infrastructure is the cost of tags. RFID tags operating in the low frequency spectrum are widely used because they are the least expensive, but have a small implementation range. This paper presents an analysis of RFID performance across low frequency (LF), high frequency (HF), and ultra-high frequency (UHF) environments. The authors' evaluation is theoretical, using a passive-tag BFSA based simulation model that assumes 10 to 1,500 tags per reader and is created with OPNET Modeler 17. Ceteris paribus, the authors' results indicate that total census delay is lowest for UHF tags, while network throughput performance of LF tags is highest for large scale implementations of hundreds of tags in reader's range. A statistical analysis has been conducted on the findings for the three different sets.

scholarly journals LBTM: Listen-before-Talk Protocol for Multiclass UHF RFID Networks

Sensors ◽  
2020 ◽  
Vol 20 (8) ◽  
pp. 2313
Author(s):  
Pablo López-Matencio ◽  
Javier Vales-Alonso ◽  
Juan J. Alcaraz
Keyword(s):  
Radio Frequency Identification ◽  
Grocery Store ◽  
Uhf Rfid ◽  
Physical Environments ◽  
Data Flows ◽  
Rfid Networks ◽  
Frequency Identification ◽  
Short Time ◽  
The Internet Of Things

Radio Frequency Identification (RFID) is considered one of the pioneering technologies of the Internet of Things (IoT). It allows to bind physical environments to information processing systems, adding new capabilities like automatic inventorying, location, or sensing with batteryless tags. Indeed, many data flows of physical objects can be tracked using this technology, and it is common to find heterogeneous traffics present in the same facility, each managed by different sets of readers. For example, in a grocery store, typically we have two kinds of readers: those carrying out a continuous inventory, whose goal is knowing the contents of the shelves as accurately as possible; and a set of checking-out readers at exit gates for the billing process that has to minimize the waiting time of customers. Another example of multiclass traffic is a hospital, where new families of sensing tags allow staff to wirelessly monitor patients—which obviously must be done as a priority—and coexist with other readers aimed at precisely knowing the location of equipment or drugs. Even with the same goal, there could be readers requiring different setups, for example in the hospital case, readers located at doors for inventorying purposes have a short time available to identify passing-by objects or people, and thus they have to work with a higher priority than regular readers performing inventorying tasks. In this work, we investigate a modification of the standard listen-before-talk (LBT) protocol for RFID networks which can support this kind of multipriority environment, by offering different qualities of service to each traffic. Results demonstrate that by tuning the protocol setup, it is possible to establish a trade-off between the performance of each traffic. This is shown for the two cited examples, the grocery shop and the hospital, using a simulation tool allowing us to implement a full-scale RFID model. In addition, we present a greedy mechanism for online reader setup. Instead of selecting offline a hard priority level, this greedy algorithm is able to adapt the priority to achieve the required quality-of-service (QoS) level.

scholarly journals CPW-Fed Wideband Circular Polarized Antenna for UHF RFID Applications

2017 ◽  
Vol 2017 ◽  
pp. 1-7 ◽  
Author(s):  
Sun-Woong Kim ◽  
Guen-Sik Kim ◽  
Dong-You Choi
Keyword(s):  
Radio Frequency Identification ◽  
High Frequency ◽  
Ground Plane ◽  
Axial Ratio ◽  
Impedance Bandwidth ◽  
Antenna Gain ◽  
Uhf Rfid ◽  
Frequency Identification ◽  
Measured Impedance ◽  
Rfid Applications

We propose a wide bandwidth antenna with a circular polarization for universal Ultra High Frequency (UHF) radio-frequency identification (RFID) reader applications. To achieve a wide 3 dB axial ratio (AR) bandwidth, three T-shaped microstrip lines are inserted into the ground plane. The measured impedance bandwidth of the proposed antenna is 480 MHz and extends from 660 to 1080 MHz, and the 3 dB AR bandwidth is 350 MHz and extends from 800 to 1155 MHz. The radiation pattern is a bidirectional pattern with a maximum antenna gain of 3.67 dBi. The overall size of the proposed antenna is 114 × 114 × 0.8 mm3.

scholarly journals UHF RFID Conductive Fabric Tag Design Optimization

Sensors ◽  
2021 ◽  
Vol 21 (16) ◽  
pp. 5380
Author(s):  
Franck Kimetya Byondi ◽  
Youchung Chung
Keyword(s):  
Radio Frequency Identification ◽  
High Frequency ◽  
Network Analyzer ◽  
Uhf Rfid ◽  
Rfid Tag ◽  
Conductive Fabric ◽  
Direct Current Resistance ◽  
Frequency Identification ◽  
Matching Structure ◽  
Current Resistance

This paper presents the design of a 920 MHz Ultra High Frequency (UHF) band radio frequency identification (RFID) conductive fabric tag antenna. The DC (Direct Current) resistance and impedance of the conductive fabric are measured by a DC multimeter and by a network analyzer at a UHF frequency band. The conductivities of the fabrics are calculated with their measured DC resistance and impedance values, respectively. The conductivities of the fabric are inserted into the CST simulation program to simulate the fabric tag antenna designs, and the results of the tag designs with two conductivities are compared. Two fabric UHF RFID tag antennas with a T-Matching structure, one with the name-tag size of 80 × 40 mm, and another with 40 × 23 are simulated and measured the characteristics of tag antennas. The simulated and measured results are compared by reflection coefficient S11, radar cross-section and reading range. The reading range of the 80 × 40 mm fabric tag antenna is about 4 m and 0.5 m for the 40 × 23 size tag. These fabric tags can be easily applied to an entrance control system as they can be attached to other fabrics and clothes.

scholarly journals A Ultra High Frequency (UHF) RFID Antenna Design for Food Quality and Safety

2020 ◽  
Vol 8 (6) ◽  
pp. 1013-1022
Keyword(s):  
Radio Frequency Identification ◽  
High Frequency ◽  
Review Paper ◽  
Antenna Design ◽  
Uhf Rfid ◽  
Ultra High Frequency ◽  
Materials Modeling ◽  
Food Quality And Safety ◽  
Frequency Identification ◽  
Monitoring Application

In this proposed review paper an antenna design for Ultra High Frequency Radio Frequency Identification (RFID) is presented. We discuss various applications of RFID antenna: meat freshness monitoring application, RFID card, RFID bracelets, in food containers for catering business and methods to measure dielectric properties on agri food materials. Modeling and simulation results are also presented.

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