Characterization and Performance Analysis of Uhf Rfid Tag for Environmental Sensing Applications PDF Download
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Author: Zhen Zhong Li
Publisher:
ISBN:
Category :
Languages : en
Pages : 60
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Book Description
Passive radio frequency identification (RFID) tag has been shown efficient in item tracking and management in the supply chain. Attracted to low weight and small size of wireless nodes, some research work was conducted to extend the RFID advantage into environmental sensing applications. The concept is to using tag frequencies as sensing parameters. When variation occurs in the surrounding environment, such as temperature and humidity level, the operation frequencies of tags would be shifted, and such shift can be used to identify the degree of variation in the environment. One challenge of RFID tag is the distortion from other surrounding objects, the existence of obstacles and metals can have greatly impact on the sensing performance in both accuracy and sensing range. This thesis work conducts an investigation of the performance of a passive radio-frequency identification (RFID) based system. The investigation systematically probed the effects of passive RFID tag orientation and obstacles (blocking line-of-sight between a reader and a tag) as well as reading period (the time required for successful detection) on the range of detection. In the absence of obstacles, optimized tag orientation improved the system reliability and range of detection. At a reading distance where tag readability became unstable, increasing the reading period led to a higher reliability. A theoretical model was also established and was in good agreement with measurement results, providing a simple guideline to the further experiments. This work would also advance the knowledge understanding on wireless sensing on metal effect, humidity and temperature.
Author: Zhen Zhong Li
Publisher:
ISBN:
Category :
Languages : en
Pages : 60
Get Book Here
Book Description
Passive radio frequency identification (RFID) tag has been shown efficient in item tracking and management in the supply chain. Attracted to low weight and small size of wireless nodes, some research work was conducted to extend the RFID advantage into environmental sensing applications. The concept is to using tag frequencies as sensing parameters. When variation occurs in the surrounding environment, such as temperature and humidity level, the operation frequencies of tags would be shifted, and such shift can be used to identify the degree of variation in the environment. One challenge of RFID tag is the distortion from other surrounding objects, the existence of obstacles and metals can have greatly impact on the sensing performance in both accuracy and sensing range. This thesis work conducts an investigation of the performance of a passive radio-frequency identification (RFID) based system. The investigation systematically probed the effects of passive RFID tag orientation and obstacles (blocking line-of-sight between a reader and a tag) as well as reading period (the time required for successful detection) on the range of detection. In the absence of obstacles, optimized tag orientation improved the system reliability and range of detection. At a reading distance where tag readability became unstable, increasing the reading period led to a higher reliability. A theoretical model was also established and was in good agreement with measurement results, providing a simple guideline to the further experiments. This work would also advance the knowledge understanding on wireless sensing on metal effect, humidity and temperature.
Author: Koon Ting Chu
Publisher:
ISBN:
Category : Radio frequency
Languages : en
Pages : 63
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Book Description
Author: Gianfranco Andia
Publisher: John Wiley & Sons
ISBN: 111949074X
Category : Technology & Engineering
Languages : en
Pages : 154
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Book Description
This book concerns a new paradigm in the field of UHF RFID systems: the positive exploitation of nonlinear signals generated by the chips integrated into the RFID tags. After having recalled the main principles in RFID technology and its current challenges notably with the emergence of Internet of Things or the smart connected environments, the purpose is to focus on the presence of nonlinearities produced by the nonlinear circuits of RFID chips: effects, nuisances and solutions but also and especially use of the phenomena. The presentation covers all aspects from the characterization of the nonlinear behavior of RFID tags and the associated platforms (distinguishing conducted and radiated measurement) to the design of new types of tags where nonlinearities are exploited in order to offer new capabilities or enhanced performance.
Author: Xiaolei Yu
Publisher: Springer
ISBN: 9811317593
Category : Technology & Engineering
Languages : en
Pages : 258
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Book Description
This book combines semi-physical simulation technology with an Internet of Things (IOT) application system based on novel mathematical methods such as the Fisher matrix, artificial neural networks, thermodynamic analysis, support vector machines, and image processing algorithms. The dynamic testing and semi-physical verification of the theory and application were conducted for typical IOT systems such as RFID systems, Internet of Vehicles systems, and two-dimensional barcode recognition systems. The findings presented are of great scientific significance and have wide application potential for solving bottlenecks in the development of RFID technology and IOT engineering. The book is a valuable resource for postgraduate students in fields such as computer science and technology, control science and engineering, and information science. Moreover, it is a useful reference resource for researchers in IOT and RFID-related industries, logistics practitioners, and system integrators.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 66
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Book Description
The purpose of this research is to characterize the performance of UHF passive RFID tags. Factors of importance are the impact of tag orientation and distance from the RFID reader. Within this study, a comprehensive literature review of RFID technology is presented as well as the methodology used for the research. Furthermore, an analysis of RFID tag experiments is discussed and the results reviewed. To accomplish this task, two main objectives have been established as goals for the study. The first objective is to determine an optimum tag orientation within the RFID reader's normal read range. Once the optimum tag orientation is determined, the orientation is used to perform range variation tests. The end goal of these tests is to find the maximum range at which the tags are readable under normal conditions using standard equipment. Grasping an idea of RFID tag boundaries contributes to the security and privacy of the technology. This is extremely important as RFID tags are becoming the logistical tool of choice for Department of Defense (DoD) supply chains. This fundamental study creates a foundation that may support both offensive and defensive oriented research. By understanding tag weaknesses and strengths, users of the technology can make sound decisions that lead to the protection of valuable information and assets.
Author: M. Schneider
Publisher: IOS Press
ISBN: 1607504642
Category : Computers
Languages : en
Pages : 356
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Book Description
Advances in the engineering of sensing and acting capabilities distributed in wide range of specialized devices is providing at last an opportunity for the fundamental advances that computer science achieved in the past few decades to make an impact in our daily lives. This technical confluence is matched by a unique historical context where users are better informed (more aware of the benefits that technology can provide) and production of more complex systems is becoming more affordable. Sensors/actuators deployed in an environment (in this context it can be any physical space like a house, office, classroom, car, street, etc.) facilitate a link between an automated decision-making system connected to that technologically enriched space. This computing empowered environment enables the provision of an intelligent environment, i.e., "a digital environment that proactively, but sensibly, supports people in their daily lives". This is an active area of research which is attracting an increasing number of professionals (in academia and industry) worldwide. The prestigious 5th International Conference on Intelligent Environments (IE'09) is focused on the development of advanced intelligent environments and stimulates the discussion on several specific topics which are crucial to the future of the area. As part of that five workshops were supported as part of IE'09. This volume is the combined proceedings of those five workshops: Workshop on Digital Object Memories (DOMe'09), Workshop on RFID Technology: concepts, practices & solutions (RFID'09), Workshop on Artificial Intelligence Techniques for Ambient Intelligence (AITAmI'09), Workshop on Ethical Design of Ambient Intelligence (EDAmI'09), Workshop on Smart Offices and Other Workplaces (SOOW'09).
Author: Nuno Borges Carvalho
Publisher: John Wiley & Sons
ISBN: 111957854X
Category : Technology & Engineering
Languages : en
Pages : 432
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Book Description
Provides a collection of works produced by COST Action IC1301 with the goal of achieving significant advances in the field of wireless power transmission This book constitutes together information from COST Action IC1301, a group of academic and industry experts seeking to align research efforts in the field of wireless power transmission (WPT). It begins with a discussion of backscatter as a solution for Internet of Things (IoT) devices and goes on to describe ambient backscattering sensors that use FM broadcasting for low cost and low power wireless applications. The book also explores localization of passive RFID tags and augmented tags using nonlinearities of RFID chips. It concludes with a review of methods of electromagnetic characterization of textile materials for the development of wearable antennas. Wireless Power Transmission for Sustainable Electronics: COST WiPE - IC1301 covers textile-supported wireless energy transfer, and reviews methods for the electromagnetic characterization of textile materials for the development of wearable antennas. It also looks at: backscatter RFID sensor systems for remote health monitoring; simultaneous localization (of robots and objects) and mapping (SLAM); autonomous system of wireless power distribution for static and moving nodes of wireless sensor networks; and more. Presents techniques for smart beam-forming for "on demand" wireless power transmission (WPT) Discusses RF and microwave energy harvesting for space applications Describes miniaturized RFID transponders for object identification and sensing Wireless Power Transmission for Sustainable Electronics: COST WiPE - IC1301 is an excellent book for both graduate students and industry engineers involved in wireless communications and power transfer, and sustainable materials for those fields.
Author: Daniel Dobkin
Publisher: Newnes
ISBN: 0123948304
Category : Technology & Engineering
Languages : en
Pages : 540
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Book Description
This book explains how UHF tags and readers communicate wirelessly. It gives an understanding of what limits the read range of a tag, how to increase it (and why that might result in breaking the law), and the practical things that need to be addressed when designing and implementing RFID technology. Avoiding heavy math but giving breadth of coverage with the right amount of detail, it is an ideal introduction to radio communications for engineers who need insight into how tags and readers work. New to this edition: • Examples of near-metal antenna techniques • Discussion of the wakeup challenge for battery-assisted tags, with a BAT architecture example • Latest development of protocols: EPC Gen 1.2.0 • Update 18000-6 discussion with battery-assisted tags, sensor tags, Manchester tags and wakeup provisions Named a 2012 Notable Computer Book for Computer Systems Organization by Computing Reviews The only book to give an understanding of radio communications, the underlying technology for radio frequency identification (RFID) Praised for its readability and clarity, it balances breadth and depth of coverage New edition includes latest developments in chip technology, antennas and protocols
Author: Karmakar, Nemai Chandra
Publisher: IGI Global
ISBN: 1466620811
Category : Technology & Engineering
Languages : en
Pages : 412
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Book Description
As modern technologies continue to transform and impact our society, Radio Frequency Identification has emerged as one of the top areas of study to do just that. Using its wireless data capturing technique and incredible capabilities such as automatic identification, tracking, handling large amounts of data, and flexibility in operation, RFID aims to revamp the new millennium. Advanced RFID Systems, Security, and Applications features a comprehensive collection of research provided by leading experts in both academia and industries. This leading reference source provides state-of-the- art development on RFID and its contents will be of the upmost use to students and researchers at all levels as well as technologists, planners, and policy makers. RFID technology is progressing into a new phase of development.
Author: Cristina Turcu
Publisher: IntechOpen
ISBN: 9783902613547
Category : Technology & Engineering
Languages : en
Pages : 566
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Book Description
The book generously covers a wide range of aspects and issues related to RFID systems, namely the design of RFID antennas, RFID readers and the variety of tags (e.g. UHF tags for sensing applications, surface acoustic wave RFID tags, smart RFID tags), complex RFID systems, security and privacy issues in RFID applications, as well as the selection of encryption algorithms. The book offers new insights, solutions and ideas for the design of efficient RFID architectures and applications. While not pretending to be comprehensive, its wide coverage may be appropriate not only for RFID novices but also for experienced technical professionals and RFID aficionados.
