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Journal articles on the topic 'RFID Chip'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Dang, An Ming. "Electromagnetic Compatibility Design of RFID Chip." Applied Mechanics and Materials 427-429 (September 2013): 455–59. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.455.

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RFID chip has been more and more widely applied in all walks of life, which makes enormous contribution for the economical use of the social resource, however the RFID chip of electromagnetic compatibility problem always restricts the development of this technology. From the RFID chip's concept, operation principle and the structure analysis, at the same time RFID chip electromagnetic compatibility design is confronted with problems, measurement methods and other aspects, to carry out research and analysis, so as to establish a set of practical and standard chip design system.

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2

Zhang, Lei, Li Biao Jin, and Jian Bo Liu. "Hardware Design of UHF RFID Reader for the Internet of Things." Applied Mechanics and Materials 496-500 (January 2014): 2204–7. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.2204.

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Internet of Things is a key component of next generation information technology. And Radio-frequency identification (RFID) is one of the key technologies of Internet of Things. RFID technology is widely used for supply chain management and inventory control. Furthermore, RFID has been recognized as a tool to realize a ubiquitous environment. This paper introduces a complete solution of UHF RFID reader system based on LPC1768 microprocessor and AS3992 UHF Reader chip for the Internet of Things. The UHF RFID reader uses the MCU chip of LPC1768 as main controller, which provides excellent multimedia performance. This reader uses AS3992 UHF RFID reader chip, which conforms to ISO18000-6B and ISO18000-6C (EPC global class 1 gen 2) standards. The operating frequency is 840~960MHz, which can be adjustable by users. This paper gives the complete hardware design of the UHF RFID reader.

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Zhang, Guofeng, Dehua Wu, Jingdun Jia, Wanlin Gao, Qiang Cai, Wan’ang Xiao, Lina Yu, Sha Tao, and Qi Chu. "Architecture Characteristics and Technical Trends of UHF RFID Temperature Sensor Chip." Active and Passive Electronic Components 2018 (October 1, 2018): 1–8. http://dx.doi.org/10.1155/2018/9343241.

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The integration of temperature sensor (TS) and UHF RFID technology has attracted wide attention theoretically and experimentally. The architecture, power consumption, temperature measurement range, accuracy, and communication distance are key indicators of the performance of UHF RFID temperature sensor chip (RID-TSC). This work aims to provide a clearer view of the development of UHF RFID-TSC integration technology. After a systematic analysis of the characteristics of ADC, TDC, and FDC used in an integrated TS, the key low-power technologies under different architectures are summarized. Through the observation of the latest researches and commercial products, the development trend of UHF RFID-TSC technology is obtained, including on-chip and off-chip coordination, multiprotocol and multifrequency support, passive wireless sensor intelligence, miniaturization, and concealment.

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Ganesh Bhagure, Vinay, and Somdotta Roy Choudhury. "Plus Shaped Chipless RFID Tag." ITM Web of Conferences 40 (2021): 01004. http://dx.doi.org/10.1051/itmconf/20214001004.

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Chip-less radio frequency identification (RFID) technology is capable for detecting, identification, and chasing for the future Internet of Things (IoT) systems and applications. The chipless RFID technology gives us the impression as a rising substitute of the traditional RFID tags and barcodes by encoding data from tags employing the radio frequency waves. The paper presents the design as well as simulation of chip-less Plus shaped RFID tags. The structure is composed of Rogers RT/Duroid 5880 by means of a substrate having the physical dimensions 40mm x 40mm over which eight resonators are placed. This tag is compact, and the resonators are closely placed. The tag is designed using Ansys Electronics Desktop.

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Xie, Ya Juan, and Cai Feng Liu. "The Comparison of Passive UHF RFID Tag Chip." Advanced Materials Research 1030-1032 (September 2014): 1247–50. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.1247.

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This paper introduces the characteristics of passive uhfrfid tag chip through enumerating the contrast method, including alien higgs-4, nxp g2xm and impinj monza5. And the paper explains the chip impedance, memory allocation in detail. The conclusion is that the performance exist difference between each chip. Understanding the performance of the chip is helpful to design a suitable antenna. To provide reference for uhfrfid label antenna design.

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SHOUXIAN, MOU, MA KAIXUE, and YEO KIAT SENG. "A ROBUST 900 MHz RFID READER CHIP WITH RC-CALIBRATION." Journal of Circuits, Systems and Computers 21, no. 08 (December 2012): 1240021. http://dx.doi.org/10.1142/s021812661240021x.

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A fully integrated RFID reader chip targeted to operate in the frequency range of 860 MHz to 960 MHz is designed, simulated and fabricated. To reduce the chip performance degradation due to process and temperature variation, resistor and capacitor calibration is adopted. The output codes of resistor calibration are used to adjust main circuit blocks' biasing current while the output codes of capacitor calibration are used to fine tune filter bandwidth and Digital-to-analog converter (DAC) conversion accuracy. Dual-tuned magnetic coupled LC tanks are also introduced in our VCO design to improve phase noise performance and extend tuning range, so as to enhance the robustness of the proposed RFID reader system. The reader is implemented with a low cost 90 nm standard CMOS process and has a chip area of 3.1 mm by 3.3 mm. The chip is packaged with QFN48 and tested on PCB. The proposed RFID reader consumes 90 mW of power and has robust performance against temperature, voltage supply and process variation. The merits of the chip make it ideal for various application scenarios.

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7

Ning, Hong, and Xue Feng Zheng. "A RFID Reader Design and Complication Based on MFRC531 Chip." Applied Mechanics and Materials 321-324 (June 2013): 412–16. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.412.

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RFID belongs to the basic input device in the IOT(Internet of Things) applications. The country has attached much importance to the technique and application of IOT, and RFID has been widely used in logistics, warehousing, traffic, cattle raising and some other industries. The thesis employs MFRC531 chip and Atmel 89C518 bit microprocessors to design and realize a RFID card reader which can be characterized by simple circuits, easy to realize and convenient to debug. Thus, it may be referred by IOT technicians.

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8

Sharif, Abubakar, Jun Ouyang, Feng Yang, Rui Long, and Muhammad Kamran Ishfaq. "Tunable Platform Tolerant Antenna Design for RFID and IoT Applications Using Characteristic Mode Analysis." Wireless Communications and Mobile Computing 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/9546854.

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Radio frequency identification (RFID) is a key technology to realize IoT (Internet of Things) dreams. RFID technology has been emerging in sensing, identification, tracking, and localization of goods. In order to tag a huge number of things, it is cost-effective to use one RFID antenna for tagging different things. Therefore, in this paper a platform tolerant RFID tag antenna with tunable capability is proposed. The proposed tag antenna is designed and optimized using characteristic mode analysis (CMA). Moreover, this tag antenna consists of a folded patch wrapped around FR 4 substrate and a feeding loop element printed on a paper substrate. The inductive feeding loop is stacked over folded patch and it provides impedance match with RFID chip. Because of separate radiating and feeding element, this tag antenna has a versatility of impedance matching with any RFID chip. Furthermore, this tag is able to cover American RFID band (902–928 MHz) and can be tuned to European RFID band (865–868 MHz) by adding tunable strips. In order to demonstrate platform tolerant operation, the read range of RFID tag is measured by mounting it on different materials. The maximum read range of RFID tag is 4.5 m in free space or on dielectrics and 6.5 m above 200 × 200 mm2 metal plate, respectively.

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9

Xi, J., N. Yan, W. Che, X. Wang, H. Jian, and H. Min. "On-chip antenna design for UHF RFID." Electronics Letters 45, no. 1 (2009): 14. http://dx.doi.org/10.1049/el:20092033.

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10

Sakonkanapong, Arnon, and Chuwong Phongcharoenpanich. "Near-Field HF-RFID and CMA-Based Circularly Polarized Far-Field UHF-RFID Integrated Tag Antenna." International Journal of Antennas and Propagation 2020 (April 24, 2020): 1–15. http://dx.doi.org/10.1155/2020/6427157.

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This research proposes an integrated high-frequency (HF) and ultrahigh-frequency (UHF) passive radio frequency identification (RFID) tag antenna for near-field (13.56 MHz) and far-field (920–925 MHz) communication. This tag antenna is advantageous for the applications with lossy material in the near-field communication and mitigates polarization loss in the far-field communications. The HF-RFID tag antenna is of square spiral structure, and the circularly polarized UHF-RFID structure consists of a square loop radiator with cascading loop feeding and shorted stub. The structure of HF-RFID tag antenna situated inside the circularly polarized UHF-RFID tag can avoid the significant effect of the near-field magnetic coupling from the square loop. The UHF-RFID tag antenna is realized by using characteristic mode analysis for wideband circular polarization. The HF-RFID structure is conjugate-matched with NXP NT3H2111 chip, and the UHF-RFID structure is conjugate-matched with NXP G2X chip. Simulations were carried out, and an antenna prototype was fabricated. The experimental results reveal that the radiation pattern of UHF-RFID tag antenna is bidirectional with a gain of 0.31 dBic. The impedance bandwidth covers the frequency range of 903–944 MHz, and the axial ratio in boresight direction at 922.5 MHz is 1.67 dB, with the axial ratio bandwidth over 863–938 MHz. The maximum near-field and far-field reading ranges are 4.9 cm and 8.7 m. The proposed integrated dual-band passive tag antenna is operationally ideal for HF-RFID and UHF-RFID applications.

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11

Lee, Hong-Joo, Gun-Yong Hwang, and Eung-Joo Lee. "Design of UHF RFID Tag Considering Chip Characteristic." Journal of Korea Multimedia Society 14, no. 2 (February 28, 2011): 194–200. http://dx.doi.org/10.9717/kmms.2011.14.2.194.

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12

Kato, S., K. Mukojima, T. Otani, K. Sakai, K. Tamura, K. Miyazaki, N. Minami, and H. Imai. "13 MANAGEMENT SYSTEM FOR FROZEN BULL SEMEN USING A RADIO FREQUENCY IDENTIFICATION TAG." Reproduction, Fertility and Development 19, no. 1 (2007): 125. http://dx.doi.org/10.1071/rdv19n1ab13.

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An appropriate traceability system is essential for safety during production and distribution of food products. In Japan, the ear-tag system has been applied for this purpose. In this system, newborn calves are tagged individually with a bar code, and are registered to the database, so that everyone can know the information regarding individual cattle and meat. However, the management of frozen semen and the validation of frozen straws are out of the scope of the system. A traceability system for beef production totally covering the progression from semen to meat is necessary for food safety and validation. We applied radio frequency identification (RFID) for the identification of individual frozen semen straws. RFID is the management technology that uses a small tag with a radio transmitter (RFID tag) that has recently been used in the field of distribution management. We consider this technology as a tool to trace artificial insemination (AI) data before the birth of a calf and to establish a management system for production of the Japanese Black cattle breed. The microchip (�-chip) we used as an RFID tag was manufactured by Hitachi, Ltd., Tokyo, Japan. The �-chip is the smallest RFID chip in the world (0.4 mm square) and has a unique identification number (capable of corresponding to 128 bits, 1038 in decimal notation) readable by the RFID tag reader. The �-chip was attached to the frozen semen straw by ultrasonic sealing. We demonstrated that the �-chip retained its function after being stored in liquid nitrogen for at least several months. The information for bull semen, which was dispensed into frozen semen straws with the attached �-chips, was stored in the system database, and the straws were stored in liquid nitrogen. These straws with the �-chips were distributed to local farmers and inseminated into recipient cattle; the AI conditions, results of pregnancy diagnosis, and birth conditions were recorded in the system database. This system using the �-chips may be useful for confirmation and acquisition of trust for a commercially valuable bull and for the study of the improvement of AI for reproduction.

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13

Fijo, J. K., J. K. Aju, and T. Mathew. "UHF RFID Tag Based on Modified Dihedral Corner for Enhanced Read Range and Broadband Operation." Advanced Electromagnetics 7, no. 3 (August 14, 2018): 64–68. http://dx.doi.org/10.7716/aem.v7i3.723.

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This paper presents the design and development of a novel UHF RFID tag which exhibits enhanced read range over the entire UHF RFID band of 860-930MHz. This novel UHF RFID tag consists of an antenna based on modified dihedral corner with an embedded double T-match and a Murata LXMS 31ACNA010 chip attached to the terminals of the antenna. Measured read range variations over the azimuth and elevation angular ranges show enhanced read range over wide angular ranges as compared to conventional RFID tags.

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14

Zhang, Runxi, Chunqi Shi, and Zongsheng Lai. "A Single-Chip UHF RFID Reader Transceiver IC." Communications and Network 05, no. 03 (2013): 563–69. http://dx.doi.org/10.4236/cn.2013.53b2101.

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15

USAMI, M. "An Ultra-Small Double-Surface Electrode RFID Chip." IEICE Transactions on Electronics E88-C, no. 8 (August 1, 2005): 1711–15. http://dx.doi.org/10.1093/ietele/e88-c.8.1711.

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16

Deleruyelle, T., P. Pannier, M. Egels, and E. Bergeret. "Slot tag antenna for high Q RFID chip." Microwave and Optical Technology Letters 52, no. 11 (August 17, 2010): 2493–95. http://dx.doi.org/10.1002/mop.25531.

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17

KANG, HEE-BOK, MISEOK LEE, JEONG-OK KI, YOUNGWUG KIM, JINSEOG CHOI, SANG-HYEON KWAK, MAN YOUNG SUNG, YOUNG-JIN PARK, BOK-GIL CHOI, and JINYONG CHUNG. "BIDIRECTIONAL FLOATING-BASE BJT ESD PROTECTED RFID CHIP." Integrated Ferroelectrics 112, no. 1 (June 15, 2010): 42–52. http://dx.doi.org/10.1080/10584587.2009.484682.

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18

Kjelland, M. E., S. Romo, and T. K. Stroud. "18 Wireless Cloud-Based Data Acquisition and Management Tool for Use with Inteli-Straws and Assisted Reproductive Techniques." Reproduction, Fertility and Development 30, no. 1 (2018): 148. http://dx.doi.org/10.1071/rdv30n1ab18.

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Inteli-Straw (I-S) devices equipped with radiofrequency identification (RFID) technology were developed for gamete and embryo packaging, storage, and information retrieval to benefit the assisted reproduction industry. The aim of this study was to develop and test software for use with I-S technology. Two types of I-S were used, those with 125 and 134 kHz RFID chips, in conjunction with corresponding wireless RFID readers. Two different RFID chip designs were tested: (1) Mini: 0.25-mL straw, RFID tag dimensions = 1.25 × 7 mm and 1.4 × 8 mm; Standard: 0.5-mL straw, RFID tag dimensions = 2 × 12 mm; and (2) µ-chip (Hitachi Ltd., Tokyo, Japan) of 0.4 mm square and 0.06 mm thick. Inteli-Straw RFID chips can be written or have codes that can be associated with information in a database. The present RFID chips were used with the idChamp DX1 Veterinary & Livestock RFID Reader that uses Bluetooth to connect to an iOS platform for cloud computing. The iScanBrowser (Serialio, TX, USA) LED, an app for an iOS platform for use with a wireless RFID reader, was utilised, as well as a proprietary gamete and embryo database software. The present system allows for quickly accessing the RFID codes from the various I-S gamete and embryo packaging (before or after I-S filling) and entering the data into a computer or cloud-based database that can track their status, movement, metadata, and so on. The ability to acquire I-S information with wireless entry into the cloud-based database was achieved. When the RFID wireless reader detects an I-S, the RFID code is displayed almost immediately (~1 s) in a cell in the software system. The I-S (n = 194) were scanned for automatic database entry. For the wireless-enabled proof of concept, 17 scans of I-S [i.e. RFID chip design 1 (n = 15) and design 2 (n = 2)] were made with wireless scanner detection (< 2.5 cm from RFID reader to I-S) and online database entry with a 100% success rate. By using this I-S method, the present invention provides a wireless, cloud-based system for local or remote access, potentially benefiting both laboratory and field logistics. For AI and embryo transfer, the user can scan an I-S and the information is automatically detected; wireless cloud computing and RFID data crosschecking can occur; and the information can be uploaded to a database for later retrieval or analysis. Further, one can use an iphone or ipad to enter other information such as cow number into the cloud-based database during AI or embryo transfer. The present system can allow for near real-time viewing of the data, locally and remotely, or cross-checking of materials and associated information to reduce errors and improve assisted reproductive technology efficiency.

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Janeczek, Kamil, Małgorzata Jakubowska, Grażyna Kozioł, and Anna Młożniak. "Electrical and mechanical properties of RFID chip joints assembled on flexible substrates." Soldering & Surface Mount Technology 27, no. 1 (February 2, 2015): 13–21. http://dx.doi.org/10.1108/ssmt-02-2014-0004.

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Purpose – The purpose of this paper is to examine electrical and mechanical properties of radio frequency identification (RFID) chip joints assembled on a flexible substrate and made from isotropic conductive adhesives (ICAs) reinforced with graphene nanoplatelets (GPNs) or graphite nanofibers (GFNs). Design/methodology/approach – The ICAs reinforced with GPNs or GFNs were prepared and screen printed on a test pattern to investigate resistance and thickness of these adhesive layers. Differential Scanning Calorimetry (DSC) was performed to assess a curing behaviour of the prepared ICAs. Then, RFID chips were mounted with the prepared ICAs to the pattern of silver tracks prepared on foil. Shear test was carried out to evaluate mechanical durability of the created chip joints, and resistance measurements were carried out to evaluate electrical properties of the tested ICAs. Findings – The 0.5 per cent (by weight) addition of GFNs or GPNs to the ICA improved shear force values of the assembled RFID chip joints, whereas resistance of these modified adhesives increased. The DSC analysis showed that a processing temperature of the tested adhesives may range from 80 to 170°C with different curing times. It revealed a crucial influence of curing time and temperature on electrical and mechanical properties of the tested chip joints. When the chip pads were cured for too long (i.e. 60 minutes), it resulted in a resistance increase and shear force decrease of the chip joints. In turn, the increase of curing temperature from 80 to 120°C entailed improvement of electrical and mechanical properties of the assembled chips. It was also found that a failure location changed from the chip – adhesive interface towards the adhesive – substrate one when the curing temperature and time were increased. Research limitations/implications – Further investigations are required to examine changes thoroughly in the adhesive reinforced with GFNs after a growth of curing time. It could also be worth studying electrical and mechanical properties of the conductive adhesive with a different amount of GFNs or GPNs. Practical implications – The tested conductive adhesive reinforced with GFNs or GPNs can be applied in the production of RFID tags because it may enhance the mechanical properties of tags fabricated on flexible substrates. Originality/value – Influence of GFNs and GPNs on the electrical and mechanical properties of commercial ICAs was investigated. These properties were also examined depending on a curing time and temperature. New conductive materials were proposed and tested for a chip assembly process in fabrication of RFID tags on flexible substrates.

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20

Zhao, Si Hai, Yu Wei Hu, Zhe Qian Zhao, Yan Chen Guo, Ji Ye Gao, and Peng Chao Zhong. "The Application of RFID at Leasing Management of Coal Mining Equipments." Advanced Materials Research 774-776 (September 2013): 1647–52. http://dx.doi.org/10.4028/www.scientific.net/amr.774-776.1647.

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Giving each hydraulic prop sets of the only equipment number is a problem of the management of coal mining equipments, the article has presented a method of using RFID technology to affix with a electronic tag for each hydraulic prop, through theoretical analysis and experimental research, basing on the equipment identification and identification distance reliability, confirm that the low frequency RFID electronic tags can be used as a hydraulic prop, and design the installation method of the hydraulic prop RFID chip. The paper also uses the C language compiled a RFID chips identification and transmission program, and use the RFID application system in the actual equipments leasing management information system.

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21

Wang, Lu, and Wu Song Wen. "Design of RFID Reader Based on Protocol of ISO/IEC 14443 TYPE A." Applied Mechanics and Materials 268-270 (December 2012): 1855–58. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.1855.

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The technology of RFID is used extensively in access control for office buildings, payment systems for public transport, and other applications. In this paper, using the Texas Instruments semiconductor chip of TRF7960 and the single-chip microcomputer of PIC16F877, a new design scheme of RFID reader is proposed, which conforms to ISO/IEC 14443 TYPE A standard. And the methods of anti-collision, three pass authentication, coding and decoding are discussed in detail. Test results present that this reader has high accuracy ratio, can identify the contactless smart cards in about ten centimeters, and it supports multiple card identification well.

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22

Yang, Jeenmo. "Impedance and Read Power Sensitivity Evaluation of Flip-Chip Bonded UHF RFID Tag Chip." Journal of the Institute of Electronics Engineers of Korea 50, no. 4 (April 25, 2013): 203–11. http://dx.doi.org/10.5573/ieek.2013.50.4.203.

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23

Chen, Wei Song, and Jian Ping Wang. "Design of RFID Card Reading System Based on LWIP and FreeRTOS." Applied Mechanics and Materials 734 (February 2015): 916–20. http://dx.doi.org/10.4028/www.scientific.net/amm.734.916.

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In view of current network RFID reader, a solution is given based on LWIP and FreeRTOS in this paper. FreeRTOS is chosen as its operating system . LWIP is chosen as its network protocol, which can upload the RFID card number to the server as soon as getting the new RFID card number. LWIP and FreeRTOS are free and open source code so that we need not consider the use of copyright issues.Also,STM32F107VC based on the framework of Cortex-M3 is selected as the RFID reader processor and DP83848 chip produced by TI is used as the network card in the hardware solution.

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24

Zou, Chao, and Cheng Yu Jiang. "The Applications of RFID Technology in Logistics Management and Constraints." Materials Science Forum 532-533 (December 2006): 1009–11. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.1009.

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Radio frequency identification (RFID) is a new material identification technology. RFID has a greater number of benefits than its predecessor, the bar code. It is not universally adopted in many industries due to its high cost hitherto. Whereas, RFID is advantageous because it does not require line-of-sight scanning, it acts to reduce labor levels, enhances visibility, and improves inventory management. This article briefly introduced component, principle and characteristic of the RFID technology, and analyzed and introduced more foregroundful application of RFID in modern logistics. RFID technology is combined with network technical and database technology, it will be extensively applied in stock tache, storage tache, transportation tache, retail tache of logistics system. In addition, this paper also discussed the factors which restrain RFID technology from being broadly applied. The uppermost problem faced by RFID technology is the cost of RFID chip, then it comes to the potential intervention of people’s privacy incurred by the use of RFID technology. Otherwise, lack of uniform criteria definitely affects the development of RFID technology.

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Samborski, Tomasz, Jan Wiejak, and Eugeniusz Matras. "Device for Low-Cost Assembly of Chips in RFID Inlays." Solid State Phenomena 237 (August 2015): 239–44. http://dx.doi.org/10.4028/www.scientific.net/ssp.237.239.

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Security systems employ the RFID method to protect objects and data and to ensure public safety and the safety of commercial activity, e.g. through the control over technological processes. The research activity aimed at improving the level of safety of electronic and technical protection needs to be verified through the manufacture of prototype IDs with RFID inlays.The authors presents an original experimental device enabling the implementation of individual chips in RFID inlays, which were made on a flexible base to which an RFID antenna is attached. The collection of the chip from the dispenser and an unambiguous orientation of the soldered tips in relation to the antenna are provided by a four-axis vacuum manipulator cooperating with a vision system identifying the location of the chip on the manipulator and its final application area. A computer control system enables the operation in two modes, i.e. a semi-automatic mode in which it is possible to manually control the order and the way in which individual tasks are performed, and an automatic mode conducted according to the designed algorithm. The developed device is intended for research on the ways to improve the manufacturing techniques and electronic document protection by means of RFID technologies.

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26

Wang, Lu. "Design of RFID Reader Based on Protocol of ISO/IEC 15693." Applied Mechanics and Materials 263-266 (December 2012): 2881–84. http://dx.doi.org/10.4028/www.scientific.net/amm.263-266.2881.

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In recent years, the technology of RFID developed rapidly, and has been used more and more widely. In this paper, using the Texas Instruments semiconductor chip of TRF7960 and the single-chip microcomputer of PIC16F877, a new design scheme of RFID reader is proposed, which conforms to ISO/IEC 15693 standard. The reader operates in 13.56MHz and can identify the tags in about fifteen centimeters. The hardware design and the software flow are provided in detail. Test results present that the functions of anti-collision and multiple tag identification are supported in this reader, it has high accuracy ratio when reading and writing tag.

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27

Ji, Wusheng, Li Li, and Weiwei Zhou. "Design and Implementation of a RFID Reader/Router in RFID-WSN Hybrid System." Future Internet 10, no. 11 (November 3, 2018): 106. http://dx.doi.org/10.3390/fi10110106.

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In order to put Radio Frequency Identification (RFID) and Wireless Sensor Network (WSN) in a hybrid system, this paper presents the design and implementation of a RFID reader/router that can obtain information of both RFID tags and WSN sensor nodes and transmit the information through the WSN to the PC server. The RFID reader and WSN router are combined with both hardware and software. In hardware structure, CC2530 is used as micro controller and RF module for ZigBee wireless communication, and MF RC522 is used as reader RF chip. The software deals with both identity and sensing information and controls the routing. Experiment results show that the RFID reader/router achieves long distance identification, flexibility, scalability, and low cost. It also provides reliable and secured data transmission and broadens the communication range and application scope of RFID readers.

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Zhao, Xiao Jun, Jun Tao Shen, Ding Yi Wen, and Guo Qian Zhang. "Research of University Laboratory Equipment Remote Monitoring System Based on RFID and ZigBee." Applied Mechanics and Materials 401-403 (September 2013): 1944–50. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.1944.

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For the phenomenon of the college laboratory equipment mismanagement recent years, the RFID/ZigBee-based laboratory equipment remote management solution has been proposed. The hardware uses a ZigBee wireless network chip, an MSP430 low-power data processing chip and a WiFi data transmission module as the core, combined with various sensor and RFID technologies to perform information collection and transmission. The software is a web server developed in C# platform, using a three-tier structure to perform data storage, data access, and data processing. The experiments showed that it can perform communication between a monitoring terminal and a laboratory device timely and accurately, and achieve client integrate, and improve the efficiency of managing the laboratory equipment.

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29

Eldefrawy, Mohamed Hamdy, and Muhammad Khurram Khan. "Banknote Validation through an Embedded RFID Chip and an NFC-Enabled Smartphone." Mathematical Problems in Engineering 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/264514.

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With the new, state-of-the-art printing devices and equipment, there has been rapid growth in the counterfeiting of banknotes. Traditional security features on banknotes are easy targets for counterfeiters, and they can easily imitate the original banknotes with fake ones. Conventional methods for validating currency require specialized devices for the authentication of banknotes. However, cost and lack of mobility of sophisticated banknote validation devices are big problems for general consumers. Modern digital solutions are attempting to complement the traditional security features through embedding radio frequency identification (RFID) chips in the banknotes, for example, Euro currency. Unfortunately, the requirement of specialized RFID readers for banknote validation impedes their widespread proliferation among consumers. To overcome this problem, a new method of banknote validation using an RFID chip and an NFC-enabled smartphone is presented. The consumer sends a banknote validation request to the Monetary Agency (MA) using her or his smartphone and an Internet connection. TheMAreplies by sending a random challenge to the consumer’s smartphone. The RFID chip in the banknote receives the challenge, via the NFC, and calculates an equivalent response to theMA’s challenge. If any of the messages are incorrect, authentication is denied. By the proposed method, consumers can easily and instantly check the originality of currency notes with theMAusing their smartphones and an Internet connection. The proposed system is less expensive, computationally, than regular methods and preserves the privacy of people who carry banknotes.

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Loo, Chye-Hwa, Khaled Elmahgoub, Fan Yang, Atef Z. Elsherbeni, Darko Kajfez, Ahmed A. Kishk, Tamer Elsherbeni, et al. "CHIP IMPEDANCE MATCHING FOR UHF RFID TAG ANTENNA DESIGN." Progress In Electromagnetics Research 81 (2008): 359–70. http://dx.doi.org/10.2528/pier08011804.

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Scheck, Anne. "The Health Care Universe, All in an RFID Chip." Emergency Medicine News 29, no. 6 (June 2007): 22–23. http://dx.doi.org/10.1097/01.eem.0000279129.55041.da.

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Serres, A. J. R., E. C. Gurjão, and K. F. Serres. "RFID sem Chip, o Código de Barras do Futuro?" Revista de Tecnologia da Informação e Comunicação 5, no. 2 (October 25, 2015): 19–24. http://dx.doi.org/10.12721/2237-5112/rtic.v5n2p19-24.

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Jou, Alice Yi-Szu, Hengying Shan, Hossein Pajouhi, John Peterson, and Saeed Mohammadi. "A Single-Chip Wireless Powered RFID Antenna and Transceiver." IEEE Journal of Radio Frequency Identification 1, no. 3 (September 2017): 219–27. http://dx.doi.org/10.1109/jrfid.2017.2789246.

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Hayes, J. "Analysis: Built-in security should give RFID chip edge." Information Professional 3, no. 4 (August 1, 2006): 9. http://dx.doi.org/10.1049/inp:20060411.

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CHUNG, JINYONG, HEE-BOK KANG, SUK-KYOUNG HONG, GYUHAN YOON, MAN YOUNG SUNG, and BOK-GIL CHOI. "FLOATING-BASE BJT TYPE ESD DEVICE FOR RFID CHIP." Integrated Ferroelectrics 105, no. 1 (August 19, 2009): 45–52. http://dx.doi.org/10.1080/10584580903062457.

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Chu, Qi, Wan’ang Xiao, Wanlin Gao, and Yan’e Zhang. "Design of UHF RFID Baseband Chip with Temperature Sensing." Journal of Physics: Conference Series 1550 (May 2020): 032126. http://dx.doi.org/10.1088/1742-6596/1550/3/032126.

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Wang, Xiao Li, and Jing Tu. "The Research and Design of Card Reader Based on RFID." Applied Mechanics and Materials 229-231 (November 2012): 1511–14. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1511.

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This paper designed a RFID-based card reader system, which is based on Cortex-M3 LM3S9B90 chip controller, using MRC531 as the base station chip and Mifare1S50 as card read-write. The system realizes the identification and data reading and writing of Mifare1S50 card with a frequency of 13.56MHz, while it can also communicate with the host computer conveniently. The communications use open-source TCP / IP protocol stack LWIP.

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Khalid, Nabil, Rashid Mirzavand, and Ashwin K. Iyer. "A Survey on Battery-Less RFID-Based Wireless Sensors." Micromachines 12, no. 7 (July 13, 2021): 819. http://dx.doi.org/10.3390/mi12070819.

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We present a survey on battery-less Radio Frequency Identification (RFID-based wireless sensors that have emerged in the past several years. We discuss the evolution of RFID turning into wireless sensors. Moreover, we talk about different components of these battery-less RFID-based wireless sensors, five main topologies that transform a simple RFID chip into a battery-less wireless sensor, and state-of-the-art implementations of these topologies. In battery-less wireless sensors, the read range is of key importance. Hence, we discuss how each component of the sensor plays its role in determining the read range and how each topology exploits these components to optimize read range, complexity, and/or cost. Additionally, we discuss potential future directions that can help provide improvements in RFID-based wireless sensor technology.

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Hoshino, Y., K. Mukojima, N. Minami, and H. Imai. "10 TRACEABILITY SYSTEM FOR AN INDIVIDUAL FROZEN SEMEN STRAW BY A TINY RADIO FREQUENCY IDENTIFICATION CHIP." Reproduction, Fertility and Development 24, no. 1 (2012): 116. http://dx.doi.org/10.1071/rdv24n1ab10.

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A traceability of frozen semen straws that certify the bloodline of a sire will improve the efficiency of cattle breeding. Semen of the sire can be generally identified by the colour of a straw and printing on a straw. However, it is difficult to identify individual frozen semen straws by the conventional method. To identify straws individually, each straw must be tagged with a unique ID that is able to be read quickly in the frozen state. We have established the identification method for individual frozen semen straws using radio frequency identification (RFID) and developed a traceability system that is able to record the distribution history of an individual semen straw from the production of frozen semen to artificial insemination (AI). We used a 2.5-mm diameter straw combined with an RFID tag, which consisted of a tiny RFID chip (μ-Chip: Hitachi Co. Ltd, 0.4 × 0.4 × 0.2 mm) and a thin aluminum antenna on the polyester sheet (54 × 1.5 × 0.05 mm). The μ-chip contains a unique ID (128 bit). It responds to the 2.45 GHz microwave frequency that is emitted from the RFID reader and transmits its ID to the RFID reader. The μ-Chip retains its function on a straw, which has been stored in the liquid nitrogen (–196°C). Artificial insemination of the frozen semen straw with the RFID tag could be performed using a conventional AI gun. The semen traceability system consisted of the database server and the client software. Information about semen straws is connected with their ID and stored on the database server. Producers and distributors of frozen semen can count the number of semen straws correctly by reading their ID one by one and can send information to the database server through the web by easy operation using the client software. Artificial insemination information can be instantly recorded by the handy terminal that is able to read both a bar-code on the ear tag of the cow and the RFID tag of the straw. The system has been used on fields at Gifu Prefecture in Japan for ∼3 months. Eight hundred thirty-one frozen semen straws with the RFID tag were produced from 3 bulls. After freezing of the straws, 17 straws were not identified with their ID. It was speculated that their μ-Chips were disconnected from the antenna during freezing. Six hundred ninety-four straws were distributed to the 7 AI centers. Five hundred thirty straws were used for AI by 15 inseminators to a total of 424 cows at the 101 farms. Although only one straw could not read its ID after AI, information of the remaining 529 straws were recorded on the database accurately. A strict traceability of frozen semen straws can be established using the individual identification of straws by RFID. Information stored in the database would be useful for the evaluation of sire and the reproductive management of cows. This work was supported by a grant from the Ministry of Agriculture, Forestry and Fisheries of Japan (MAFF).

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Wagih, Mahmoud, Yang Wei, Abiodun Komolafe, Russel Torah, and Steve Beeby. "Reliable UHF Long-Range Textile-Integrated RFID Tag Based on a Compact Flexible Antenna Filament." Sensors 20, no. 12 (June 17, 2020): 3435. http://dx.doi.org/10.3390/s20123435.

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This paper details the design, fabrication and testing of flexible textile-concealed Radio Frequency Identification (RFID) tags for wearable applications in a smart city/smart building environment. The proposed tag designs aim to reduce the overall footprint, enabling textile integration whilst maintaining the read range. The proposed RFID filament is less than 3.5 mm in width and 100 mm in length. The tag is based on an electrically small (0.0033 λ 2 ) high-impedance planar dipole antenna with a tuning loop, maintaining a reflection coefficient less than −21 dB at 915 MHz, when matched to a commercial RFID chip mounted alongside the antenna. The antenna strip and the RFID chip are then encapsulated and integrated in a standard woven textile for wearable applications. The flexible antenna filament demonstrates a 1.8 dBi gain which shows a close agreement with the analytically calculated and numerically simulated gains. The range of the fabricated tags has been measured and a maximum read range of 8.2 m was recorded at 868 MHz Moreover, the tag’s maximum calculated range at 915 MHz is 18 m, which is much longer than the commercially available laundry tags of larger length and width, such as Invengo RFID tags. The reliability of the proposed RFID tags has been investigated using a series of tests replicating textile-based use case scenarios which demonstrates its suitability for practical deployment. Washing tests have shown that the textile-integrated encapsulated tags can be read after over 32 washing cycles, and that multiple tags can be read simultaneously while being washed.

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Herrojo, Paredes, Mata-Contreras, and Martín. "Chipless-RFID: A Review and Recent Developments." Sensors 19, no. 15 (August 1, 2019): 3385. http://dx.doi.org/10.3390/s19153385.

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In this paper, a review of the state-of-the-art chipless radiofrequency identification (RFID) technology is carried out. This recent technology may provide low cost tags as long as these tags are not equipped with application specific integrated circuits (ASICs). Nevertheless, chipless-RFID presents a series of technological challenges that have been addressed by different research groups in the last decade. One of these challenges is to increase the data storage capacity of tags, in order to be competitive with optical barcodes, or even with chip-based RFID tags. Thus, the main aim of this paper is to properly clarify the advantages and disadvantages of chipless-RFID technology. Moreover, since the coding information is an important aspect in such technology, the different coding techniques, as well as the main figures of merit used to compare different chipless-RFID tags, will be analyzed.

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González-López, Giselle, Jordi Romeu, Ignasi Cairó, Ignacio Segura, Tai Ikumi, and Lluis Jofre-Roca. "Wireless Sensing of Concrete Setting Process." Sensors 20, no. 20 (October 21, 2020): 5965. http://dx.doi.org/10.3390/s20205965.

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An RFID-based wireless system to measure the evolution of the setting process of cement-based materials is presented in this paper. The system consists of a wireless RFID temperature sensor that works embedded in concrete, and an external RFID reader that communicates with the embedded sensor to extract the temperature measurement conducted by the embedded sensor. Temperature time evolution is a well known proxy to monitor the setting process of concrete. The RFID sensor consisting of an UWB Bow Tie antenna with central frequency 868 MHz, matched to the EM4325 temperature chip through a T-match structure for embedded operation inside concrete is fully characterized. Results for measurements of the full set up conducted in a real-scenario are provided.

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De Donno, Danilo. "Unconventional UHF RFID Tags with Sensing and Computing Capabilities." Journal of Communications Software and Systems 10, no. 2 (June 23, 2014): 83. http://dx.doi.org/10.24138/jcomss.v10i2.128.

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The design of fully-passive UHF RFID tags preserving cost-effectiveness, yet supplying augmented capabilities, represents an ambitious and stimulating challenge, as such devices would pave the way to a large class of applications where identification, computation, automatic cognition, and wireless sensing are required. In this work, two solutions are proposed. The former, named RAMSES, is optimized for RFID-based sensing and relies on a novel approach exploiting a new-generation I2C-UHF RFID chip. RAMSES is able to write sensor data into the EPC and communicate up to 5 m of distance from a conventional UHF RFID Class-1 Generation-2 (Gen2) reader. The latter solution, named SPARTACUS, renounces part of this long operating range in exchange for additional computing capabilities enabling an increased interaction with RFID readers. SPARTACUS represents the first example in literature of RFID device embedding sensing/actuation functionalities, distributed computation, and fully bidirectional communication with the reader. Satisfactory operating range, sensing, computation, data storage, and cost-effectiveness are the main strengths making the proposed devices definitely suitable for a wide array of novel and unconventional RFID applications.

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Karmawan, I. Gusti Made. "Dampak RFID pada Stok Barang Retailer." ComTech: Computer, Mathematics and Engineering Applications 3, no. 1 (June 1, 2012): 69. http://dx.doi.org/10.21512/comtech.v3i1.2383.

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The development of RFID technology (Radio Frequency Identification) offers some advantages, especially in goods distribution, supply chain and logistics. This technology works by putting a chip on an item as a replacement for barcodes that are widely used today. With the RFID technology, the process of goodsidentification becomes very easy and fast. Therefore, some large companies have started implementing and trust the system, especially the supermarket retailers although there are still some problems encountered in the application of this system, related to issues of privacy and data integrity problems. This paper discusses how RFID works and the impacts to the company related to profits and problems encountered during the application of this system.

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Meng, Zhaozong, and Zhen Li. "RFID Tag as a Sensor - A Review on the Innovative Designs and Applications." Measurement Science Review 16, no. 6 (December 1, 2016): 305–15. http://dx.doi.org/10.1515/msr-2016-0039.

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AbstractThe Radio Frequency Identification (RFID) technology has gained interests in both academia and industry since its invention. In addition to the applications in access control and supply chain, RFID is also a cost-efficient solution for Non-Destructive Testing (NDT) and pervasive monitoring. The battery free RFID tags are used as independent electromagnetic sensors or energy harvesting and data transmission interface of sensor modules for different measurement purposes. This review paper aims to provide a comprehensive overview of the innovative designs and applications of RFID sensor technology with new insights, identify the technical challenges, and outline the future perspectives. With a brief introduction to the fundamentals of RFID measurement, the enabling technologies and recent technical progress are illustrated, followed by an extensive discussion of the novel designs and applications. Then, based on an in-depth analysis, the potential constraints are identified and the envisaged future directions are suggested, including printable/wearable RFID, System-on-Chip (SoC), ultra-low power, etc. The comprehensive discussion of RFID sensor technology will be inspirational and useful for academic and industrial communities in investigating, developing, and applying RFID for various measurement applications.

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Lv, Wei, Xin An Wang, and Ji Ting Su. "Design of a Novel Digital Baseband for UHF RFID Tag." Applied Mechanics and Materials 513-517 (February 2014): 2938–42. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.2938.

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This paper presents a novel low-power digital baseband for UHF RFID tag. The design is complied with a modified ISO 18000-6C protocol. In order to reduce the peak power, module-reuse and other advanced low power techniques are applied. And a novel baseband architecture is discussed, which fulfills the protocol functions and reduces power consumption. The whole tag chip, including digital baseband, RF/analog frontend and memory, has been taped out using TSMC 0.18um CMOS process. The chip area is 89234 um2 excluding test pads. Its power consumption is 11.63uw under 1.1v power supply.

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Liu, Zhiping, Hanjin Yu, Kai Zhou, and Runfa Li. "Method of Monitoring Cracks in a Metal Structure Based on Dual-Chip RFID Antenna Sensor." Proceedings 42, no. 1 (November 14, 2019): 3. http://dx.doi.org/10.3390/ecsa-6-06553.

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The microstrip patch antenna sensor is a novel sensor used for structural health monitoring which can measure a metal structure’s crack defects in a wireless manner. However, it is difficult to identify the reflected signal from the signal of an antenna sensor. The radio-frequency identification (RFID) antenna sensor, which combines RFID technology and the microstrip patch antenna sensor, can solve the measurement problems that are difficult to the conventional wireless testing technologies. In this study, a dual-chip RFID antenna sensor was designed. The influence of the wireless testing method on the monitoring results of crack defects was investigated by tests, including the wireless tests of resonant frequency and the crack sensitivity tests. The tests results revealed that the antenna sensor had good wireless testing performance with regard to the metal structure’s crack defects. Additionally, the maximum of wireless identification distance reached 1.96 m.

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Oliveira, Arnaldo S. R., Nuno Borges Carvalho, Joao Santos, Alirio Boaventura, Rui Fiel Cordeiro, Andre Prata, and Daniel Costa Dinis. "All-Digital RFID Readers: An RFID Reader Implemented on an FPGA Chip and/or Embedded Processor." IEEE Microwave Magazine 22, no. 3 (March 2021): 18–24. http://dx.doi.org/10.1109/mmm.2020.3042045.

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Mau, Jens. "Digitale Fieberkurve." kma - Klinik Management aktuell 15, no. 12 (December 2010): 10. http://dx.doi.org/10.1055/s-0036-1575822.

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Die Firma Cadi aus Singapur stellte auf der Medizintechnikmesse Medica einen RFID-Chip vor, der die Temperatur eines Patienten kontinuierlich misst und die Daten drahtlos an einen Server sendet, der die Daten speichert und auswertet.

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Sudarmanto, Sudarmanto. "Perencanaan Bisnis Provider Transaksi Pembayaran berbasis RFID pada Hypermarket Makro." Jurnal Telekomunikasi dan Komputer 1, no. 1 (December 1, 2009): 19. http://dx.doi.org/10.22441/incomtech.v1i1.245.

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RFID (Radio-Frequency IDentification) merupakan sebuah teknologi compact wireless yang diunggulkan untuk mentransformasi dunia komersial. Sebagai suksesor dari barcode, RFID dapat melakukan kontrol otomatis untuk banyak hal. RFID adalah sebuah teknologi yang memanfaatkan frekuensi radio untuk identifikasi otomatis terhadap obyekobyek atau manusia. Kenyataan bahwa manusia amat terampil dalam mengidentifikasi obyek-obyek dalam kondisi lingkungan yang berbedabeda menjadi motivasi dari teknologi ini. Sistem pembayaran dengan menggunakan teknologi RFID dapat dilakukan secara swalayan dengan mudah dan cepat. Penggunaan teknologi ini dapat memudahkan dan mempercepat transaksi pembelian dan dilakukan oleh pembeli itu sendiri. Mereka hanya mendekatkan semua barang yang dibeli kepada alat reader RFID, dan setelah selesai mereka menekan tombol total dan diakhiri dengan mendekatkan kartu pembayaran (sejenis kartu debit atau kartu kredit). Dengan didekatnya kartu yang telah diberikan mikro chip sebagai alat pembayaran tersebut, maka saldo uang pembeli yang berada di kartu tersebut berkurang. Transaksi ini menjadi cepat dan mudah karena tidak diperlukannya uang pengembalian dan dapat dilakukan secara mandiri oleh pembeli.

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