Multi-Layer Flexible Chipless RFID Tag Based on Group Delay Encoding

Félix, Raquel Aline Araújo Rodrigues; Felix, Wilson Costa; Gurjão, Edmar C.

doi:10.1109/wf-iot48130.2020.9221216

2020 IEEE 6th World Forum on Internet of Things (WF-IoT) 2020

DOI: 10.1109/wf-iot48130.2020.9221216

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Multi-Layer Flexible Chipless RFID Tag Based on Group Delay Encoding

Raquel Aline Araújo Rodrigues Félix

Wilson Costa Felix

Edmar C. Gurjão

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A Review of Chipless RFID Measurement Methods, Response Detection Approaches, and Decoding Techniques

Brinker

Zoughi

2022

IEEE Open J. Instrum. Meas.

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Chipless RFID systems can be considered as a special case of passive RFID systems, where the tag contains no power source and no electronics. Instead, the tag's information is stored in its structure and accessed through its electromagnetic (EM) scattering response. However, robust response detection, which is primarily a function of the measurement method, measurement equipment, and processing method used, is still a major challenge in the chipless RFID field. The consequences of not properly capturing a tag response include, incorrectly assigning an ID or incorrectly reporting a sensing parameter. Due to the criticality of these challenges, this review seeks to provide an overview of the current measurement methods, equipment architectures, and processing methods as they relate to chipless RFID tag response detection and decoding. Since chipless RFID started gaining popularity around 2005, the developments in this area have been focused on three major categories: timedomain, frequency-domain, and spatial-domain systems. Frequency-domain systems have emerged as the most popular among these three categories, and thus, this review focuses on techniques used for these systems.

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A Review of Chipless RFID Measurement Methods, Response Detection Approaches, and Decoding Techniques

Brinker

Zoughi

2022

IEEE Open J. Instrum. Meas.

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show abstract

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Multi-Layer Flexible Chipless RFID Tag Based on Group Delay Encoding

Cited by 1 publication

References 11 publications

A Review of Chipless RFID Measurement Methods, Response Detection Approaches, and Decoding Techniques

A Review of Chipless RFID Measurement Methods, Response Detection Approaches, and Decoding Techniques

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