By Nemai Chandra Karmakar, Mohammad Zomorrodi, Chamath Divarathne
Introduces complex high-capacity info encoding and throughput development ideas for totally printable multi-bit Chipless RFID tags and reader systems
The booklet proposes new methods to chipless RFID tag encoding and tag detection that supersede their predecessors in sign processing, tag layout, and reader architectures. The textual content is split into major sections: the 1st part introduces the basics of electromagnetic (EM) imaging at mm-wave band to reinforce the content material skill of Chipless RFID platforms. The EM Imaging via man made Aperture Radar (SAR) process is used for facts extraction. the second one part provides a couple of clever tag detection strategies for latest chipless RFID structures. A Multiple-Input and Multiple-Output (MIMO) established tag detection method improves the spectral potency and raises information bit potential. The publication concludes with a dialogue of the way the MIMO procedure may be mixed with the picture dependent strategy to introduce a whole answer with a quick imaging method of chipless RFID structures. The e-book has the subsequent salient features:
- Discusses new techniques to chipless RFID tags corresponding to EM imaging, excessive skill facts encoding, and strong tag detection techniques
- Presents thoughts to augment facts content material skill of tags and trustworthy tag detection for the readers at unlicensed microwave and mm-wave 2.45, 24 and 60 GHz instrumentation, medical and clinical (ISM) frequency bands
- Includes case reports of real-world applications
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Additional resources for Advanced Chipless RFID: MIMO-Based Imaging at 60 GHz - ML Detection
REFERENCES 1. P. Harrop and R. Das, “Printed and Chipless RFID Forecasts, Technologies & Players 2009–2029,” IDTechEx, USA, 2009. 2. BiQRious. (2015). QR Code Capacity. com/qr-codecapacity/. 3. IDAutomation group. html. 4. C. Turcu, Current Trends and Challenges in RFID, InTech, 2011. 5. T. Lotlikar, R. Kankapurkar, A. Parekar, and A. Mohite, “Comparative Study of Barcode, QR-Code and RFID System,” International Journal Computer Technology & Applications, vol. 4, pp. 817-821, 2013. ❦ 6. E. Arendarenko, “A Study of Comparing RFID and 2D Barcode Tag Technologies for Pervasive Mobile Applications,” Master, Department of Computer Science and Statistics, University of Joensuu, 2009.
9. As one can easily see, the necessary length of the synthetic aperture is completely practical to achieve the azimuth resolution of few millimeters. For example, in 15 cm reading distance, a 20 cm synthetic aperture is enough to provide less than 4 mm azimuth resolution on the tag surface. A 25 cm synthetic aperture length is normally enough to provide the azimuth resolution of less than 5 mm for a reading range up to 25 cm. 9. This means that although the range resolution of few millimeters requires a huge spectrum bandwidth, the azimuth resolution is quite practical and proposes a new method for data encoding on a chipless tag with noticeable data capacity.
Instead, a small antenna shall physically move around the tag and create a large synthetic aperture to provide the required azimuth resolution. Based on the findings in this chapter, the final data encoding capacity of the proposed system has been determined. REFERENCES ❦ 1. S. Preradovic and N. Karmakar, “Chipless RFID, bar code of the future,” IEEE Microwave Magazine, vol. 11, pp. 87-97, 2010. 2. Md. C. Karmakar, “A Novel Compact Printable Dual-Polarized Chipless RFID System,” IEEE Transactions on Microwave Theory and Techniques, vol.