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Author: Bhavani Shankar Palokodety
Publisher:
ISBN:
Category : Radio frequency identification systems
Languages : en
Pages : 236
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Book Description
"Radio frequency identification (RFID) is a means of remotely identifying objects through radio frequency communication. An RFID system provides a means to capture information inexpensively and accurately. This system allows real-time accessibility and delivery of object information, which helps track assets and shipments globally. A transponder integrated circuit (IC) is used for storing and retrieving information about a remote object. A passive RFID tag consists of an antenna and a radio frequency compatible transponder IC labeled, or attached, onto products for unique identification. This thesis deals with passive RFID tag antenna design and analysis of the read range performance of the tag on objects of different dielectric materials. Given the limits of the operating power of the transponder IC and the RFID reader transmitting power, the design issues are the read range of the tag, size of the tag, and impedance matching the tag antenna to the transponder IC. Also in this thesis a step-by-step process used to design a passive RFID tag is presented. Finally, the fundamental constraints of the design, and their associated tradeoffs, as well as measurements and analysis of the designed passive UHF RFID tag, are given"--Leaf iii.
Author: Bhavani Shankar Palokodety
Publisher:
ISBN:
Category : Radio frequency identification systems
Languages : en
Pages : 236
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Book Description
"Radio frequency identification (RFID) is a means of remotely identifying objects through radio frequency communication. An RFID system provides a means to capture information inexpensively and accurately. This system allows real-time accessibility and delivery of object information, which helps track assets and shipments globally. A transponder integrated circuit (IC) is used for storing and retrieving information about a remote object. A passive RFID tag consists of an antenna and a radio frequency compatible transponder IC labeled, or attached, onto products for unique identification. This thesis deals with passive RFID tag antenna design and analysis of the read range performance of the tag on objects of different dielectric materials. Given the limits of the operating power of the transponder IC and the RFID reader transmitting power, the design issues are the read range of the tag, size of the tag, and impedance matching the tag antenna to the transponder IC. Also in this thesis a step-by-step process used to design a passive RFID tag is presented. Finally, the fundamental constraints of the design, and their associated tradeoffs, as well as measurements and analysis of the designed passive UHF RFID tag, are given"--Leaf iii.
Author: Tom Ahlkvist Scharfeld
Publisher:
ISBN:
Category :
Languages : en
Pages : 230
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Book Description
Author: Jari-Pascal Curty
Publisher: Springer Science & Business Media
ISBN: 0387447105
Category : Technology & Engineering
Languages : en
Pages : 150
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Book Description
Radio Frequency IDentification (RFID) stores and retrieves data using devices called RFID tags: objects attached to or incorporated into a product, animal or person which communicate with an RFID reader or interrogator. This book proposes a linear two-port model for an N-stage modified-Greinacher full wave rectifier, predicting the overall conversion efficiency at low power levels where the diodes are operating near their threshold voltage. Included is an experimental procedure to measure how impedance modulation in the tag affects the signal at the reader, and a useful tool for choosing the most appropriate impedances.
Author: Qi Chai
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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Book Description
With the remarkable progress in microelectronics and low-power semiconductor technologies, Radio Frequency IDentification technology (RFID) has moved from obscurity into mainstream applications, which essentially provides an indispensable foundation to realize ubiquitous computing and machine perception. However, the catching and exclusive characteristics of RFID systems introduce growing security and privacy concerns. To address these issues are particularly challenging for low-cost RFID systems, where tags are extremely constrained in resources, power and cost. The primary reasons are: (1) the security requirements of low-cost RFID systems are even more rigorous due to large operation range and mass deployment; and (2) the passive tags' modest capabilities and the necessity to keep their prices low present a novel problem that goes beyond the well-studied problems of traditional cryptography. This thesis presents our research results on the design and the analysis of security schemes for low-cost RFID systems.
Author: Jari-Pascal Curty
Publisher: Springer
ISBN: 9780387514703
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Radio Frequency IDentification (RFID) stores and retrieves data using devices called RFID tags: objects attached to or incorporated into a product, animal or person which communicate with an RFID reader or interrogator. This book proposes a linear two-port model for an N-stage modified-Greinacher full wave rectifier, predicting the overall conversion efficiency at low power levels where the diodes are operating near their threshold voltage. Included is an experimental procedure to measure how impedance modulation in the tag affects the signal at the reader, and a useful tool for choosing the most appropriate impedances.
Author: Cristina Turcu
Publisher: BoD – Books on Demand
ISBN: 9537619729
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
This book, entitled Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice, bridges the gap between theory and practice and brings together a variety of research results and practical solutions in the field of RFID. The book is a rich collection of articles written by people from all over the world: teachers, researchers, engineers, and technical people with strong background in the RFID area. Developed as a source of information on RFID technology, the book addresses a wide audience including designers for RFID systems, researchers, students and anyone who would like to learn about this field. At this point I would like to express my thanks to all scientists who were kind enough to contribute to the success of this project by presenting numerous technical studies and research results. However, we couldn’t have published this book without the effort of InTech team. I wish to extend my most sincere gratitude to InTech publishing house for continuing to publish new, interesting and valuable books for all of us.
Author: Miodrag Bolic
Publisher: John Wiley & Sons
ISBN: 0470975660
Category : Technology & Engineering
Languages : en
Pages : 549
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Book Description
This book provides an insight into the 'hot' field of Radio Frequency Identification (RFID) Systems In this book, the authors provide an insight into the field of RFID systems with an emphasis on networking aspects and research challenges related to passive Ultra High Frequency (UHF) RFID systems. The book reviews various algorithms, protocols and design solutions that have been developed within the area, including most recent advances. In addition, authors cover a wide range of recognized problems in RFID industry, striking a balance between theoretical and practical coverage. Limitations of the technology and state-of-the-art solutions are identified and new research opportunities are addressed. Finally, the book is authored by experts and respected researchers in the field and every chapter is peer reviewed. Key Features: Provides the most comprehensive analysis of networking aspects of RFID systems, including tag identification protocols and reader anti-collision algorithms Covers in detail major research problems of passive UHF systems such as improving reading accuracy, reading range and throughput Analyzes other "hot topics" including localization of passive RFID tags, energy harvesting, simulator and emulator design, security and privacy Discusses design of tag antennas, tag and reader circuits for passive UHF RFID systems Presents EPCGlobal architecture framework, middleware and protocols Includes an accompanying website with PowerPoint slides and solutions to the problems http://www.site.uottawa.ca/~mbolic/RFIDBook/ This book will be an invaluable guide for researchers and graduate students in electrical engineering and computer science, and researchers and developers in telecommunication industry.
Author: Simone Zuffanelli
Publisher: Springer
ISBN: 3319620304
Category : Technology & Engineering
Languages : en
Pages : 159
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Book Description
This book describes innovative design solutions for radio-frequency identification (RFID) tags and antennas. Focusing mainly on passive ultra-high-frequency (UHF)-RFID tag antennas, it examines novel approaches based on the use of metamaterial-inspired resonators and other resonant structures as radiating elements. It also offers an exhaustive analysis of the radiation properties of several metamaterial-inspired resonators such as the split ring resonator (SRR) and related structures. Further, it discusses in detail an innovative technology for the RFID tagging of optical discs, which has demonstrated a significant improvement over the state of the art and resulted in a patent. By covering the entire research cycle of theory, design/simulation and fabrication/evaluation of RFID tags and antennas, while also reporting on cutting-edge technologies, the book provides graduate students, researchers and practitioners alike with a comprehensive and timely overview of RFID systems, and a closer look at several radiating structures.
Author: Li Yang
Publisher: Morgan & Claypool Publishers
ISBN: 1598298607
Category : Technology & Engineering
Languages : en
Pages : 90
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Book Description
This book presents a step-by-step discussion of the design and development of radio frequency identification (RFID) and RFID-enabled sensors on flexible low cost substrates for UHF frequency bands. Various examples of fully function building blocks (design and fabrication of antennas, integration with ICs and microcontrollers, power sources, as well as inkjet-printing techniques) demonstrate the revolutionary effect of this approach in low cost RFID and RFID-enabled sensors fields. This approach could be easily extended to other microwave and wireless applications as well. The first chapter describes the basic functionality and the physical and IT-related principles underlying RFID and sensors technology. Chapter two explains in detail inkjet-printing technology providing the characterization of the conductive ink, which consists of nano-silver-particles, while highlighting the importance of this technology as a fast and simple fabrication technique especially on flexible organic substrates such as Liquid Crystal Polymer (LCP) or paper-based substrates. Chapter three demonstrates several compact inkjet-printed UHF RFID antennas using antenna matching techniques to match IC's complex impedance as prototypes to provide the proof of concept of this technology. Chapter four discusses the benefits of using conformal magnetic material as a substrate for miniaturized high-frequency circuit applications. In addition, in Chapter five, the authors also touch up the state-of-the-art area of fully-integrated wireless sensor modules on organic substrates and show the first ever 2D sensor integration with an RFID tag module on paper, as well as the possibility of 3D multilayer paper-based RF/microwave structures. Table of Contents: Radio Frequency Identification Introduction / Flexible Organic Low Cost Substrates / Benchmarking RFID Prototypes on Organic Substrates / Conformal Magnetic Composite RFID Tags / Inkjet-Printed RFID-Enabled Sensors
Author: Nemai Chandra Karmakar
Publisher: John Wiley & Sons
ISBN: 1119215773
Category : Technology & Engineering
Languages : en
Pages : 298
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Book Description
Presents a comprehensive overview and analysis of the recent developments in signal processing for Chipless Radio Frequency Identification Systems This book presents the recent research results on Radio Frequency Identification (RFID) and provides smart signal processing methods for detection, signal integrity, multiple-access and localization, tracking, and collision avoidance in Chipless RFID systems. The book is divided into two sections: The first section discusses techniques for detection and denoising in Chipless RFID systems. These techniques include signal space representation, detection of frequency signatures using UWB impulse radio interrogation, time domain analysis, singularity expansion method for data extraction, and noise reduction and filtering techniques. The second section covers collision and error correction protocols, multi-tag identification through time-frequency analysis, FMCW radar based collision detection and multi-access for Chipless RFID tags as we as localization and tag tracking. Describes the use of UWB impulse radio interrogation to remotely estimate the frequency signature of Chipless RFID tags using the backscatter principle Reviews the collision problem in both chipped and Chipless RFID systems and summarizes the prevailing anti-collision algorithms to address the problem Proposes state-of-the-art multi-access and signal integrity protocols to improve the efficacy of the system in multiple tag reading scenarios Features an industry approach to the integration of various systems of the Chipless RFID reader-integration of physical layers, middleware, and enterprise software Chipless Radio Frequency Identification Reader Signal Processing is primarily written for researchers in the field of RF sensors but can serve as supplementary reading for graduate students and professors in electrical engineering and wireless communications.
