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

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CHAPTER 13CONCLUSION FOR PART II

Chapters 10 to 12 in Part II of the book has presented a number of chipless RFID tag detection techniques including two computationally feasible tag detection techniques. In addition, a multiple input multiple output (MIMO)-based chipless radiofrequency identification (RFID) system has been proposed, which is the first of its kind reported to the best of the knowledge of the author. This chapter provides a summary of the proposed techniques in Part II including the limitations of the proposed tag detection techniques and the potential applications. Finally, it presents a set of recommendations for chipless RFID tag detection.

13.1 SUMMARY OF THE PROPOSED TECHNIQUES IN PART II

Part II of this book presents advanced yet computationally feasible tag detection techniques for chipless RFID systems that are capable of improving the tag reading accuracy, reading range, and data bit capacity. Detection error rate of a number of likelihood-based detectors was presented and compared against the threshold-based detector used in existing chipless RFID systems. It is evident that all of the likelihood-based detectors perform better than the popular threshold-based detector. The performance improvement of the proposed tag detection techniques can be interpreted as an increased tag reading accuracy at a given signal-to-noise ratio (SNR) level. On the other hand, it can also be represented as an increment in the reading range while achieving a particular goal ...

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