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Artículos de revistas sobre el tema "RFID tag design"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 13 de febrero de 2022

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1

Sharif, Abubakar, Jun Ouyang, Feng Yang, Rui Long y 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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2

Xu, Da Wei, Lei Lei Deng y Shan Ren. "UHF RFID Reader Design". Applied Mechanics and Materials 644-650 (septiembre de 2014): 3635–38. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.3635.

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UHF radio frequency identification system with write speeds, large storage capacity , recognition distance and simultaneously read multiple tags , etc. , has been more widely used in logistics. Introduced in line with ISO 18000-6 standard UHF RFID tag main characteristics, structure, working principle and write methods, proposed the corresponding reader solutions, focusing on the reader hardware design and software program flow. The application results show that the reader read and write speed (single tag 64bit / 6ms), recognition rate, recognition distance (≥ 4m).

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3

Sujana Eka Putra, I. Gede y Ni Luh Putu Labasariyani. "Design and Development of Login Security System Using Radio Frequency Identification". Logic : Jurnal Rancang Bangun dan Teknologi 19, n.º 1 (30 de marzo de 2019): 41. http://dx.doi.org/10.31940/logic.v19i1.1301.

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System security is important in information systems to prevent unauthorized users from accessing data. Login system applies security using encrypted passwords stored on RFID cards. This research designed login security system storing encrypted password using MD5 encryption into the Mifare Tag RFID card and equipped NFC reader to read data from RFID Card. By storing encrypted password characters on RFID cards, login system security is stronger and cannot be traced by unauthorized parties to log into systems. Some stage of system design are through study of literature, designing process flow, system algorithms, designing encryption methods and system interfaces, writing card module coding, card reading module coding, implementation, and system testing. The system login applied by scanning RFID card on the NFC reader, if the password on RFID matches then the user successfully logs into the system. Based on the testing of RFID Tag readings, the maximum distance from the reading of RFID Tag cards is up to 7 cm with a reading range of 00 to 300 with a success rate of 100% authentication. By using RFID Tag cards, increase security for logging into the system, because user cannot log in without having a card with the appropriate password.

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4

Byondi, Franck Kimetya y Youchung Chung. "UHF RFID Conductive Fabric Tag Design Optimization". Sensors 21, n.º 16 (10 de agosto de 2021): 5380. http://dx.doi.org/10.3390/s21165380.

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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.

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5

Yu, Shida. "Encrypted Tag Design for RFID Systems". Journal of Physics: Conference Series 1187, n.º 5 (abril de 2019): 052019. http://dx.doi.org/10.1088/1742-6596/1187/5/052019.

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6

Yu, Yan Zhong, Hua Nan Yang y Zhong Yi Huang. "A Novel Dual-Band Tag Antenna for RFID Application". Applied Mechanics and Materials 427-429 (septiembre de 2013): 1289–92. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.1289.

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With the rapid development of RFID (radio frequency identification) application, the design requirements of RFID tag antenna are also increasing. A design of dual-frequency or multi-frequency tag antenna has become fashionable. In the present paper, we design a dual-band RFID tag antenna, which consists of a bent microstrip patch and rectangular microstrip patch. The designed antenna is analyzed and optimized by HFSS13. Simulation results indicate that the tag antenna has the characteristics of double band, high gain, and good radiation pattern.

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7

Xiangdong, Zhang, Li Changming, Gao Xiaoqiu y Li Lijie. "Integration Design of Temperature Sensor and Double RFID Tag". Open Electrical & Electronic Engineering Journal 8, n.º 1 (16 de septiembre de 2014): 111–17. http://dx.doi.org/10.2174/1874129001408010111.

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A new design about the integration of temperature sensor and RFID tag is provided. This is a dual-tag design, in which the temperature element is connected to one of the RFID tag antennas to form a parallel structure. In this design, some of the functions of the sensor are transferred to the RFID reader so that some components of the sensor can be cut, reducing the production costs of existing design. By defining the signal strength of the first tag as a reference value, the problem of setting a standard is solved in the temperature detection process. RF module can be used to make the energy transformation without requiring the entire design to have an external continuous power source to provide energy. In addition, experimental data proves the feasibility of this design.

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8

Liu, Li, Yu, Zhao y Zhang. "A Novel Finger-Controlled Passive RFID Tag Design for Human–Machine Interaction". Sensors 19, n.º 23 (22 de noviembre de 2019): 5125. http://dx.doi.org/10.3390/s19235125.

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Radio frequency identification (RFID) has shown its potential in human–machine interaction thanks to its inherent function of identification and relevant physical information of signals, but complex data processing and undesirable input accuracy restrict its application and promotion in practical use. This paper proposes a novel finger-controlled passive RFID tag design for human–machine interaction. The tag antenna is based on a dipole antenna with a separated T-match structure, which is able to adjust the state of the tag by the press of a finger. The state of the proposed tag can be recognized directly by the code received by the RFID reader, and no complex data processing is needed. Since the code is hardly affected by surroundings, the proposed tag is suitable to be used as a wireless switch or control button in multiple scenarios. Moreover, arrays of the proposed tag with rational tag arrangements could contribute to a series of manual control devices, such as a wireless keyboard, a remote controller, and a wireless gamepad, without batteries. A 3 × 4 array of the finger-controlled tag is presented to constitute a simple passive RFID keyboard as an example of the applications of the proposed tag array and it refers to the arrangement of a keypad and can achieve precise, convenient, quick, and practical commands and text input into machines by pressing the tags with fingers. Simulations and measurements of the proposed tag and tag array have been carried out to validate their performances in human–machine interaction.

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9

Youn, Nam-Won, Young-Jun Kwon, Bong-Jo Shin y Keun-Hyung Park. "Design of 13.56 MHz RFID Tag IC". Journal of the Korean Institute of Electrical and Electronic Material Engineers 18, n.º 4 (1 de abril de 2005): 309–12. http://dx.doi.org/10.4313/jkem.2005.18.4.309.

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10

Kim, Goo-Jo, Sinh-Hwan Kim y You-Chung Chung. "A Circular UHF RFID Tag Antenna Design". Journal of Korean Institute of Electromagnetic Engineering and Science 18, n.º 3 (31 de marzo de 2007): 282–87. http://dx.doi.org/10.5515/kjkiees.2007.18.3.282.

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11

Kang, Juwon y Youchung Chung. "Conductive Fabric UHF RFID Tag Antenna Design". Journal of Korean Institute of Electromagnetic Engineering and Science 30, n.º 3 (marzo de 2019): 209–14. http://dx.doi.org/10.5515/kjkiees.2019.30.3.209.

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12

Anuar, Mirza, Lee Yeng Seng, M. S. Shakhirul, F. H. Wee, Hong Seng Gan, Muzammil Jusoh, Thennarasan Sabapathy y M. N. Osman. "Design Chipless Textile Tag for RFID Application". Journal of Physics: Conference Series 1339 (diciembre de 2019): 012028. http://dx.doi.org/10.1088/1742-6596/1339/1/012028.

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13

Sheu, Jia Shing y Yi Hsin Chuang. "Design a Cloud Roll Check System via RFID". Applied Mechanics and Materials 764-765 (mayo de 2015): 868–71. http://dx.doi.org/10.4028/www.scientific.net/amm.764-765.868.

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The Radio Frequency Identification System (RFID) is widely used in a variety of materials management for small amount deductions, tracking and control. A RFID system consists of electronic tags, transceivers, and tag reader. The advantages of RFID tags are unitary that can be record data. The data also can be either read or wrote. The purpose of the paper is to develop a RFID Roll Check System. It also combines with an existing database systems in a cloud environment. The design of RFID Roll Check System developed in this paper to improve the performance of the current roll check system. Every student is allocated an electronics tag, that the tags have detailed courses information for system’s contract. All technology and system engineering method have successfully applied in the children's summer camp courses which were held by Center for Extension Education of school. Meanwhile, the RFID Roll Check System has completed 2,500 people for roll check reliability test. The final results prove that this system has high reliability.

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14

Ganesh Bhagure, Vinay y 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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15

Yu, Song Sen, Yun Peng y Jia Jing Zhang. "A Lightweight RFID Mechanism Design". Advanced Materials Research 216 (marzo de 2011): 120–23. http://dx.doi.org/10.4028/www.scientific.net/amr.216.120.

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Based on the study of existing RFID security protocols and RFID anti-collision algorithms, this paper proposes a processing mechanism integrating lightweight random key double-authentication and dynamic slot-ALOHA protocol. The mechanism is simple, practical, and compatible with EPC Gen2 standards. Research shows that comparing with the other security protocols and anti-collision protocols, the new mechanism has a little complexity and tag-cost.

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16

Tang, Zhi-Jun, Xiao-Feng Wu, Jie Zhan y Shi-Gang Hu. "Broadband UHF RFID tag antenna design matched with different RFID chips". Microwave and Optical Technology Letters 56, n.º 1 (25 de noviembre de 2013): 55–57. http://dx.doi.org/10.1002/mop.28046.

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17

Wang, Honggang, Ruixue Yu, Ruoyu Pan, Mengyuan Liu, Qiongdan Huang y Jingfeng Yang. "Fast tag identification for mobile RFID robots in manufacturing environments". Assembly Automation 41, n.º 3 (19 de marzo de 2021): 292–301. http://dx.doi.org/10.1108/aa-11-2020-0182.

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Purpose In manufacturing environments, mobile radio frequency identification (RFID) robots need to quickly identify and collect various types of passive tag and active tag sensor data. The purpose of this paper is to design a robot system compatible with ultra high frequency (UHF) band passive and active RFID applications and to propose a new anti-collision protocol to improve identification efficiency for active tag data collection. Design/methodology/approach A new UHF RFID robot system based on a cloud platform is designed and verified. For the active RFID system, a grouping reservation–based anti-collision algorithm is proposed in which an inventory round is divided into reservation period and polling period. The reservation period is divided into multiple sub-slots. Grouped tags complete sub-slot by randomly transmitting a short reservation frame. Then, in the polling period, the reader accesses each tag by polling. When tags’ reply collision occurs, the reader tries to re-query collided tags once, and the pre-reply tags avoid collisions through random back-off and channel activity detection. Findings The proposed algorithm achieves a maximum theoretical system throughput of about 0.94, and very few tag data frame transmissions overhead. The capture effect and channel activity detection in physical layer can effectively improve system throughput and reduce tag data transmission. Originality/value In this paper, the authors design and verify the UHF band passive and active hybrid RFID robot architecture based on cloud collaboration. And, the proposed anti-collision algorithm would improve active tag data collection speed and reduce tag transmission overhead in complex manufacturing environments.

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18

Lee, Hong-Joo, Gun-Yong Hwang y Eung-Joo Lee. "Design of UHF RFID Tag Considering Chip Characteristic". Journal of Korea Multimedia Society 14, n.º 2 (28 de febrero de 2011): 194–200. http://dx.doi.org/10.9717/kmms.2011.14.2.194.

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19

Dong, Wei. "Self-Service Library System: Design and Implementation". Applied Mechanics and Materials 513-517 (febrero de 2014): 2453–56. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.2453.

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In this paper, we propose a new self-service library system. The new system adopts Radio Frequency Identification (RFID) technology so that patrons can check out and return library property at any time of the day. In addition, repetitive strain injuries among librarians are alleviated. Unlike traditional methods of old library circulation system which employed barcode as Identification of a book, a tiny RFID tag is attached to a book in the new circulation system. With its serial number programming and anti-theft information programming into the tag, it is believed that the new system has a better control on theft, nonreturns.

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20

Moraru, Aurelian, Corneliu Ursachi y Elena Helerea. "A New Washable UHF RFID Tag: Design, Fabrication, and Assessment". Sensors 20, n.º 12 (18 de junio de 2020): 3451. http://dx.doi.org/10.3390/s20123451.

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This paper deals with the design and fabrication of durable radio frequency identification (RFID) passive tag with inductive coupling, operating at ultra-high frequencies, dedicated to the identification and monitoring of professional textile products. A reliable architecture for the tag transponder is proposed, featuring a minimal number of galvanic contacts: The two pins of the integrated circuit are connected to the terminals of the inductive coupling loop by using surface mount technology welding. The transponder is encapsulated with an electrically insulating material which is waterproof and resistant to mechanical, thermal, and chemical stress. The antenna is inductively coupled to the transponder through a double loop which substantially reduces the length of the tag and significantly improves the coupling factor, enabling the tag to operate at a low power level. The reliability and flexibility of the tag is obtained by using appropriate materials and manufacturing methods for the ultra-high frequency (UHF) antenna by embroidering a multifilament stainless steel wire on textile support. The washing cycle tests have validated the applicability of this flexible and washable RFID tag, and its electromagnetic performance was experimentally assessed in an independent laboratory.

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21

Meneses-González, Salvador Ricardo y José Luis Lopez-Bonilla. "An Inverted L Antenna with a Parasitic Structure for RFID Tag". Evolving Trends in Engineering and Technology 1 (agosto de 2014): 63–70. http://dx.doi.org/10.18052/www.scipress.com/etet.1.63.

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An inverted L antenna altered by a parasitic resonant structure is designed for RFID tag. In order to determine the performance of varying design parameters on impedance and resonance frequency, HFSS simulation software and experimental tests are carried out. This way, the focus of this work is RFID tag antenna design based on the structure above mentioned.

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22

Xu, Lei y Kama Huang. "Design of Compact Trapezoidal Bow-Tie Chipless RFID Tag". International Journal of Antennas and Propagation 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/502938.

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This paper presents a novel compact design of a low cost fully printable slot-loaded bowtie chipless RFID tag. The tag consists of two trapezoidal metallic patches loaded with multiple slot resonators. Slots with similar size or adjacent frequencies are loaded alternately on two bow-tie patches to double the number of data bits within the UWB frequency band without increasing the mutual coupling between slots. A coding capacity of 12 bits is obtained with 12 slots within a reasonable size of 35 mm×33 mm. RCS of the tag has been given by simulation. Measurements have been done using a bistatic radar configuration in the frequency domain and transmission coefficient is measured. The agreement between the simulation and measurement validates this new concept of design. This tag has high data capacity and low cost and can be directly printed on product such as personal ID, credit cards, paper, and textile because it needs only one conductive layer.

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23

Yu, Yan Zhong, Yong Xing Wu, Zhong Yi Huang y Cai Qiang Zheng. "A Quasi-Yagi RFID Tag Antenna Design for Metallic Object Applications". Advanced Materials Research 765-767 (septiembre de 2013): 2750–53. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.2750.

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A research on RFID tag antenna for attaching on metallic objects has become a popular issue. On the basis of Yagi antenna, a RFID tag antenna that is suitable for mounting on a metal ground plane is designed in this paper. It consists of a driven element (folded dipole), a reflector and five directors. The analysis of antenna performance is done by HFSS. The simulation results demonstrate that 5dBi antenna gain is achieved when it operates at the frequency of 2.45GHz.

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24

Park, Chong Ryol y Ki Hwan Eom. "RFID Label Tag Design for Metallic Surface Environments". Sensors 11, n.º 1 (17 de enero de 2011): 938–48. http://dx.doi.org/10.3390/s110100938.

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25

Mekki, Kawther. "Design of a miniaturized dipole RFID tag antenna". Indian Journal of Science and Technology 13, n.º 30 (15 de agosto de 2020): 2203–12. http://dx.doi.org/10.17485/ijst/v13i30.114.

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26

Chen, S. L. y R. Mittra. "Indirect coupling method for RFID tag antenna design". Electronics Letters 46, n.º 1 (2010): 8. http://dx.doi.org/10.1049/el.2010.2391.

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27

Cao, Qian, Jian Xiong Li y Lu Hong Mao. "Design of a Novel Tag Antenna Mountable on the Side of Cigarette Carton". Applied Mechanics and Materials 236-237 (noviembre de 2012): 970–75. http://dx.doi.org/10.4028/www.scientific.net/amm.236-237.970.

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The growing interest of Radio Frequency Identification (RFID) applications has seen problems emerging in the identification of object, especially those that contain conductive material. A low-cost novel tag antenna for a RFID tag which could be mounted on the side of cigarette carton is proposed in this paper. Since the cigarette carton contains conductive material, radiation properties of the antenna could be affected significantly. The specific parameters of the antenna were optimized based on the Finite Element Method (FEM). The performance of the tag antenna design affixed to the cigarette carton containing metallic foil is verified with read range measurements. The proposed antenna has a simulated bandwidth from 863 MHz to 943 MHz ( < -10 dB) for conjugate-matching with a commercial tag chip.

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28

Islam, Mohammad, Touhidul Alam, Iskandar Yahya y Mengu Cho. "Flexible Radio-Frequency Identification (RFID) Tag Antenna for Sensor Applications". Sensors 18, n.º 12 (30 de noviembre de 2018): 4212. http://dx.doi.org/10.3390/s18124212.

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In this paper, an inkjet-printed flexible Radio-Frequency Identification (RFID) tag antenna is proposed for an ultra-high frequency (UHF) sensor application. The proposed tag antenna facilitates a system-level solution for low-cost and faster mass production of RFID passive tag antenna. The tag antenna consists of a modified meander line radiator with a semi-circular shaped feed network. The structure is printed on photo paper using silver nanoparticle conductive ink. The generic design outline, as well as tag antenna performances for several practical application aspects are investigated. The simulated and measured results verify the coverage of universal UHF RFID band with an omnidirectional radiation pattern and a long-read range of 15 ft. In addition, the read range for different bending angles and lifetimes of the tag antenna are also demonstrated.

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29

Mo, Lingfei y Chenyang Li. "Double Loop Inductive Feed Patch Antenna Design for Antimetal UHF RFID Tag". International Journal of Antennas and Propagation 2019 (21 de marzo de 2019): 1–8. http://dx.doi.org/10.1155/2019/2917619.

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Planar UHF RFID antimetal tag can be widely used for the metallic products or packages with metal material inside. A double loop inductive feed planar patch antenna is proposed for UHF RFID tag mounted on metallic objects. Compared to conventional microstrip antennas or PIFA antennas used for UHF RFID tags, the double loop inductive feed patch antenna has a planar structure, with no short via or short wall, which could decrease the manufacturing cost of the tags. The double loop inductive feed structure also increases the radiation performance of the planar antenna. Moreover, the double loop inductive feed structure makes the impedance of the patch antenna be tuned easily for conjugate impedance matching.

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30

Fijo, J. K., J. K. Aju y T. Mathew. "UHF RFID Tag Based on Modified Dihedral Corner for Enhanced Read Range and Broadband Operation". Advanced Electromagnetics 7, n.º 3 (14 de agosto de 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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Xianming Qing, Chean Khan Goh y Zhi Ning Chen. "Impedance Characterization of RFID Tag Antennas and Application in Tag Co-Design". IEEE Transactions on Microwave Theory and Techniques 57, n.º 5 (mayo de 2009): 1268–74. http://dx.doi.org/10.1109/tmtt.2009.2017288.

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32

Muhamad Nadzir, Norsaidah, Mohamad Kamal A. Rahim, Farid Zubir y Huda A. Majid. "UHF RFID Antenna Tag Design and Analysis for Antenna Miniaturization". ELEKTRIKA- Journal of Electrical Engineering 18, n.º 2 (31 de agosto de 2019): 49–54. http://dx.doi.org/10.11113/elektrika.v18n2.164.

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This paper proposes four designs of UHF RFID antenna tag with two different radiating element, copper and aluminum, for antenna miniaturization. The main contribution of this work is the unique design that involves a meander line traced in a variety shape of a bowtie antenna. The UHF RFID band is achieved by reshaping a 900 MHz straight line dipole antenna into the form of a bowtie, thus reducing the size of the antenna significantly while maintaining the operating frequency. The effectiveness of the method is tested in multiple steps. First, the antenna tag designs are run through CST software simulations and optimized to achieve desired outcome. Next, the designs are transferred to Silhouette Studio software to be fabricated using a cutting machine, and finally measured using a vector network analyzer. The comparison between the measurement result of the reflection coefficient and the radiation pattern to their respective simulation results shows that they have a good agreement between each other. With further research and improvements, the size of the antenna tag could be further reduced while maintaining or even improving the performance of the antenna tag.

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33

Mondal, Saikat, Deepak Kumar y Premjeet Chahal. "Recent Advances and Applications of Passive Harmonic RFID Systems: A Review". Micromachines 12, n.º 4 (12 de abril de 2021): 420. http://dx.doi.org/10.3390/mi12040420.

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Harmonic Radio Frequency Identification (RFID) systems have attracted significant interest over the last decade as it provides many benefits over the conventional RFID systems. Harmonic RFID is desired over conventional RFID systems due to reduced self-jamming, location accuracy from dual frequency, and higher phase noise immunity. In a harmonic RFID system, the tag receives instructions from the reader at an RF carrier frequency and replies back at the harmonic of the RF frequency. A nonlinear element consuming very low power at the tag is required to generate the harmonic carrier for the battery-less system. In this review article, a detailed contrast between conventional and harmonic RFID systems is presented. This is followed by different circuit design techniques to generate harmonics and integration techniques to form a fully operable passive harmonic RFID tag. Also, a wide range of applications, especially sensor integration with harmonic RFID’s, along with the future trends are presented.

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34

Zhang, Yan Zheng, Shi Lin Zhang, Lu Hong Mao y Sheng Xie. "A Fully Integrated 2.45G Semi-Active RFID Tag IC". Applied Mechanics and Materials 229-231 (noviembre de 2012): 1586–90. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1586.

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In recent years, radio frequency identification (RFID) microwave technology receives great attention because of its advantages, e.g. long identification distance, small size of antenna, high identification speed and strong anti-collision ability. RFID tag plays one of the most important roles in logistics, and therefore special attention should be paid to tag design. In this paper, we present a 2.45G semi-active tag design, which is compatible with ISO 18000-4. The proposed tag can switch the manners of working between active and passive. When the generated RF-power is sufficient to operate, the tag works as a passive tag, and low noise amplifier (LNA), oscillator (OSC) and power amplifier (PA) are cut off to save the whole chip power consumption mostly. Otherwise it operates in active mode using battery power, and the working distance is greatly increased as a result of using PA.

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35

Chung, You-Chung, Yeon-Ho Kim y Kyoung-Hwan Lee. "Embroidery 'ㅂ' Character Type UHF RFID Tag Antenna Design". Journal of Korean Institute of Electromagnetic Engineering and Science 20, n.º 10 (31 de octubre de 2009): 1071–76. http://dx.doi.org/10.5515/kjkiees.2009.20.10.1071.

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Tu, Huating, Yaya Zhang, Hong Hong, Jiyong Hu y Xin Ding. "Design and characterization of novel fabric-based multi-resonators for wearable chipless RFID applications". Textile Research Journal 91, n.º 15-16 (28 de enero de 2021): 1830–40. http://dx.doi.org/10.1177/0040517521989780.

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Nowadays, the chipless radio frequency identification (RFID) tag is attracting significant attention owing to its immense potential in tracking. However, most of the chipless tags are fabricated on hard printed circuit boards, and the wearable fabric-based chipless tag is still in the research stage. In this paper, a symmetrical 3rd L-shaped multi-resonator wearable chipless RFID tag is designed and screen-printed onto fabric. In order to investigate the influence of the non-uniform conductive layer on the signal transmission at high frequency, the surface and cross-sectional topographies of the printed conductive film are analyzed and the frequency response characteristics are simulated and measured. The obtained results show that the common fabric can be used as the substrate to screen print the L-shaped multi-resonators of the chipless RFID tag, and the quality of the screen printed line, especially a narrow line, significantly affects the radio frequency performance. For the screen-printed 3rd L-shaped stub resonators, the relative frequency shift compared with the simulation results are 0.99%, 0.88% and 2.26%, respectively. Generally, the surface morphology of fabric and screen-printed precision are critical in improving the performance of L-shaped multi-resonators.

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Mikami, Shugo, Dai Watanabe, Yang Li y Kazuo Sakiyama. "Fully Integrated Passive UHF RFID Tag for Hash-Based Mutual Authentication Protocol". Scientific World Journal 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/498610.

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Passive radio-frequency identification (RFID) tag has been used in many applications. While the RFID market is expected to grow, concerns about security and privacy of the RFID tag should be overcome for the future use. To overcome these issues, privacy-preserving authentication protocols based on cryptographic algorithms have been designed. However, to the best of our knowledge, evaluation of the whole tag, which includes an antenna, an analog front end, and a digital processing block, that runs authentication protocols has not been studied. In this paper, we present an implementation and evaluation of a fully integrated passive UHF RFID tag that runs a privacy-preserving mutual authentication protocol based on a hash function. We design a single chip including the analog front end and the digital processing block. We select a lightweight hash function supporting 80-bit security strength and a standard hash function supporting 128-bit security strength. We show that when the lightweight hash function is used, the tag completes the protocol with a reader-tag distance of 10 cm. Similarly, when the standard hash function is used, the tag completes the protocol with the distance of 8.5 cm. We discuss the impact of the peak power consumption of the tag on the distance of the tag due to the hash function.

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Petrariu, Adrian-Ioan y Valentin Popa. "Analysis and Design of a Long Range PTFE Substrate UHF RFID Tag for Cargo Container Identification". Journal of Electrical Engineering 67, n.º 1 (1 de enero de 2016): 42–47. http://dx.doi.org/10.1515/jee-2016-0006.

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Abstract In this paper, a high-performances microstrip antenna for UHF (ultra high frequency) RFID (radio frequency identification) tag is designed, prototyped and tested. The antenna consists of two main components: a 1.52 mm RT/duroid 5880 laminate substrate on which the antenna is designed and a 10 mm polytetrafluoroethylene (PTFE) dielectric material placed as a separator between the antenna and the reference ground plane for the microstrip antenna. With this structure, the RFID tag can reach a maximum reading distance of 19 m, although the antenna has a compact size of 80 mm × 50 mm. The long reading distance is obtained by attaching to the antenna an RFID chip that can provide a reading sensitivity of −20.5 dBm. The high bandwidth from 677 MHz to 947 MHz measured at −10 dB, makes the tag being usable worldwide especially for cargo container identification, the main purpose of this research.

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Saetiaw, Charinsak y Chanchai Thongsopa. "Design of Double-Layer Copper Sheet for RFID Tags Antenna". Advanced Materials Research 787 (septiembre de 2013): 461–66. http://dx.doi.org/10.4028/www.scientific.net/amr.787.461.

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This paper demonstrates a design of double-layer copper sheet suitable for RFID tags antenna called extended double-layer flexible strip dipole antenna. RFID tag antenna is widely used with different surfaces. The result found that RFID tag antenna can be bended or curved responding to the cylinder shape of the objects. Our proposed extended double-layer flexible strip dipole antenna has been technically designed to make changes on itself to obtain the result in increasing resonance frequency when it is being bended. The key concept of the study is the designed antenna which can freely change inside each layer when applying itself on curved object. The result of this design reveals that antenna has better performance than modern antenna. The extended double-layer flexible strip dipole antenna for RFID tags was designed for resonance frequency of 2.45 GHz. Consequently, the analysis of antennas efficiency will be affected by thickness. The designed antenna there will be considered and discussed to find out the relative value in order to use creating the design for the antenna that is suitable for the further study.

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40

Qiu, Zi Xue, Jing Ya Wu, Jiang Yuan, Yu Tian Chen y Yong Jie Yang. "Design of RFID Sensor-Tag for Wireless Monitoring of SMA-Reinforced Composite Structure". Applied Mechanics and Materials 43 (diciembre de 2010): 196–200. http://dx.doi.org/10.4028/www.scientific.net/amm.43.196.

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When Shape memory alloy (SMA) wires are embedded in the composite structure with a specific volume fraction, the properties of the resulting hybrid composite structure, which is called SMA-reinforced composite structure, will be reinforced. Some of SMA wires embedded in the composite can be viewed as two electrodes of the capacitor. The deformation of the composite structure will cause change of the capacitor, therefore the segmental SMA wires embedded in the composite may be considered as the self-sensitive element of structure strain monitoring. The measurement circuit monitoring the change of micro capacitor in structure is designed, and it is integrated with radio frequency identification (RFID) technology to compose RFID sensor-tag, and the variation of capacitor is send to the RFID reader wirelessly to form a wireless health monitoring system. Experimental results show that this RFID sensor-tag and its system can be feasibly used in wireless structural health monitoring of SMA-reinforced composite structure.

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41

Wang, Honggang, Shanshan Wang, Jia Yao, Ruoyu Pan, Qiongdan Huang, Hanlu Zhang y Jingfeng Yang. "Effective anti-collision algorithms for RFID robots system". Assembly Automation 40, n.º 1 (12 de agosto de 2019): 55–64. http://dx.doi.org/10.1108/aa-11-2018-0237.

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Purpose The purpose of this paper is to study how to improve the performance of RFID robot system by anti-collision algorithms. For radio frequency identification (RFID) robots operating in mobile scenes, effective anti-collision algorithm not only reduces missed reading but also enhances the speed of RFID robots movement. Design/methodology/approach An effective anti-collision algorithm is proposed to accelerate tag identification in RFID robots systems in this paper. The tag collisions in the current time slot are detected by a new method, and then further resolve each small tag collision to improve system throughput, rather than the total tags number estimation. After the reader detected the collision, three different collision resolution methods were described and studied, and the situation of missing tag caused by reader moving is also discussed. Findings The proposed algorithm achieves theoretical system throughput of about 0.48, 0.50 and 0.61 and simulates to show that the proposed algorithm performance is significantly improved compared with the existing ALOHA-based algorithm. Originality/value The proposed RFID anti-collision algorithm is beneficial to improve the moving speed and identification reliability of the RFID robots in complex environments.

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42

He, Ming Lu, Yan Bing Xue y Jing Zhang. "A Novel RFID Tag Dipole Antenna". Applied Mechanics and Materials 513-517 (febrero de 2014): 2808–11. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.2808.

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There is a problem in normal meander line antenna (MLA) that it is difficult to get performances of miniaturization, high efficiency and high inductance at the same time. A simple novel antenna design for this challenge is described. Two capacitive loads are added at the end of MLA to adjust the impendence. For saving material, holes are digged on the loads. Simulation by HFSS shows that, comparing with the regular MLA, the proposed antennas impedance enhances from 10-12j to 23+150j, and the maximum gain enhances from 1.31dB to 1.67dB, with a read range of 10.1m. Meanwhile the return loss at 915MHz is-34dB, with a wide-10dB bandwidth of 860 ~ 985 MHz.

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43

Wang, Lu. "Design of RFID Reader Based on Protocol of ISO/IEC 15693". Applied Mechanics and Materials 263-266 (diciembre de 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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Ju, Lan y Qing Bin Meng. "Design and Implement of an Indoor Location System Based on Active RFID". Applied Mechanics and Materials 734 (febrero de 2015): 27–30. http://dx.doi.org/10.4028/www.scientific.net/amm.734.27.

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This paper presents an indoor location system. The system is comprised of a RFID reader and several low-power active RFID tags.This designed active RFID tag consists of an ultra low power micro-controller, a low power RF transceiver, micro-strip antenna and an on-board battery. The indoor location system uses a RSSI-based ranging technology location algorithm. The experimental results show that the system is a good location system of high precision. And thanks to the advantage of these low-power active RFID tags, this system can be implemented simply for different applications.

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45

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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Abdelnour, Abanob, Darine Kaddour y Smail Tedjini. "Transformation of Barcode Into RFID Tag, Design, and Validation". IEEE Microwave and Wireless Components Letters 28, n.º 5 (mayo de 2018): 398–400. http://dx.doi.org/10.1109/lmwc.2018.2822735.

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47

Deng, Fangming, Yigang He, Bing Li, Yang Song y Xiang Wu. "Design of a slotted chipless RFID humidity sensor tag". Sensors and Actuators B: Chemical 264 (julio de 2018): 255–62. http://dx.doi.org/10.1016/j.snb.2018.02.153.

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48

Ukkonen, Leena, Marijke Schaffrath, Jukka Kataja, Lauri Sydanheimo y Markku Kivikoski. "Evolutionary RFID tag antenna design for paper industry applications". International Journal of Radio Frequency Identification Technology and Applications 1, n.º 1 (2006): 107. http://dx.doi.org/10.1504/ijrfita.2006.010709.

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Shi, Yan, Chao Fang, Kang Qi y Chang-Hong Liang. "A BROADBAND DESIGN OF UHF FRACTAL RFID TAG ANTENNA". Progress In Electromagnetics Research Letters 58 (2016): 45–51. http://dx.doi.org/10.2528/pierl15100406.

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50

Shi, Yan, Kang Qi y Chang-Hong Liang. "A miniaturized design of 2.45-GHz RFID tag antenna". Microwave and Optical Technology Letters 57, n.º 8 (28 de mayo de 2015): 1905–8. http://dx.doi.org/10.1002/mop.29223.

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