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Advanced Chipless RFID by Chamath Divarathne, Mohammad Zomorrodi, Nemai Chandra Karmakar

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PREFACE

The author's group has developed various chipless RFID tags and reader architectures at 2.45, 4–8, 24, and 60 GHz. These results were published extensively in the form of books, book chapters, refereed conference and journal articles, and finally, as patent applications. However, there is still room for improvement of chipless RFID systems. In this book, we proposed advanced techniques of chipless RFID systems that supersede their predecessors in signal processing, tag design, and reader architecture.

The book introduces a few novel and advanced-level high-capacity data encoding and throughput improvement techniques for fully printable multibit chipless RFID tags and reader systems, respectively. These techniques enhance data content capacity of tags and perform reliable tag detection for readers at the instrumentation, scientific, and medical (ISM) frequency bands 2.45, 24, and 60 GHz. First, a comprehensive review of existing chipless RFID tags provides the state of the art in the field and exposes impediments for commercial success. The limiting factors for commercialization of reported chipless RFID tags are (i) printing errors, (ii) degradation of tag performance on low-grade laminates, (iii) low data capacity, (iv) errors in tag reading in industrial environment, (v) reading reliability, and (vi) read range. This book addresses these limitations and provides solutions with an image-based tag design and advanced signal processing techniques.

The book provides the ...

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