UHF RFID technologies for identification and traceability
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書誌事項
UHF RFID technologies for identification and traceability
（Focus series in waves）
Wiley-ISTE, 2014
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
UHF Radio Frequency Identification (RFID) is an electronic tagging technology that allows an object, place or person to be automatically identified at a distance without a direct line-of-sight using a radio wave exchange. Applications include inventory tracking, prescription medication tracking and authentication, secure automobile keys, and access control for secure facilities. This book begins with an overview of UHF RFID challenges describing the applications, markets, trades and basic technologies. It follows this by highlighting the main features distinguishing UHF (860MHz-960MHz) and HF (125 kHz and 13.56 MHz) identifications, in terms of reading range, environmental sensitivity, throughput and safety. The architecture of the integrated circuits and the organization of the memory are then described. One chapter is devoted to the air interface protocol aspects, including coding, modulation, multi readers operation and anti-collision algorithms to manage the tag responses. Focus will be put upon the EPC Gen2 protocol adopted in the ISO 18000 Part 6.
The core of the book will cover the design and manufacturing issues of RFID tags. The influence of the propagation medium (warehouse, libraries, etc.), the tag close environment (bottles, linens, containers, carton boxes,etc.) and the coupling between tags will also be carefully addressed.
The final chapter is dedicated to an industrial use case in the supply chain management, either in the retail inventory or blood traceability.
目次
Introduction ix
Chapter 1 Design and Performance of UHF TAG Integrated Circuits 1
1.1 Introduction 1
1.2 Integrated circuit atchitecture 2
1.3 RF to DC conversion: modeling the system 3
1.4 RF to DC conversion: proposed circuits and performances 21
1.5 Voltage limiter and regulator 26
1.6 Demodulator 27
1.7 Oscillator 29
1.8 Modulator 30
1.9 Digital blocks 31
1.10 Technology, performances and trends 32
1.11 Bibliography 36
Chapter 2 Design of UHF RFID Tags 41
2.1 Tag antenna design 41
2.2 Matching between the antenna impedance and the microchip impedance 65
2.3 RFID tag antennas using an inductively coupled feed 79
2.4 Combined RFID tag antenna for recipients containing liquids 83
2.5 Tag on metal 89
2.6 Bibliography 106
Chapter 3 The Backscattering Technique and Its Application 111
3.1 Backscattering principle of communication by between-base station and tag 112
3.2 The merit factor of a tag, e s or RCS 116
3.3 Variations of e s = f(a) 128
3.4 After the theory, RFID at UHF and SHF realities 128
3.5 Measuring RCS 138
3.6 The "Radar" equation 144
3.7 Appendix: summary of the principal formulas 145
Chapter 4 RFID Markets 149
4.1 Introduction 149
4.2 Market inflection point: users 149
4.3 RFID: what for? 150
4.4 Open- and closed-loop applications 152
4.5 RFID return on investment 153
4.6 Many RFID technologies 156
4.7 Examples 157
4.8 Next RFID: product-embedded and seamless infrastructure 160
Index 169
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