A high capacity tunable retransmission type frequency coded chipless radio frequency identification system

Aslam, Bilal ORCID: https://orcid.org/0000-0001-8087-7678, Azam, Muhammad A., Amin, Yasar, Loo, Jonathan and Tenhunen, Hannu (2019) A high capacity tunable retransmission type frequency coded chipless radio frequency identification system. International Journal of RF and Microwave Computer-Aided Engineering, 29 (9). ISSN 1099-047X (doi:10.1002/mmce.21855)

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Abstract

This article presents a 12‐bit frequency coded chipless RFID system in the frequency range of 3 to 6 GHz. The system consists of a fully printable chipless tag and a pair of high‐gain reader antennas. The tag also incorporates its own antennas to improve the read range. Information is encoded into frequency spectrum using a multi‐resonant circuit. The circuit consists of multiple microstrip U and L‐shaped open stub resonators patterned in a unique configuration. The proposed configuration aids in capturing more data in a reduced space as well as tunable frequency operation. Tag and reader antennas utilize techniques such as stepped impedance feeding line, defective partial ground plane, and stair‐step patch structure to achieve wide‐band impedance bandwidth in miniature size. The results of the wireless measurements in the non‐anechoic environment show that the proposed system has a reading range of more than 20 cm. The presented system possesses great potential for low‐cost short‐range inventory tracking.

Item Type: Article
Additional Information: Article number: e21855
Keywords (uncontrolled): Electrical and Electronic Engineering, Computer Graphics and Computer-Aided Design, Computer Science Applications
Research Areas: A. > School of Science and Technology > Computer Science
Item ID: 27343
Useful Links:
Depositing User: Jisc Publications Router
Date Deposited: 12 Aug 2019 11:01
Last Modified: 12 Aug 2019 11:01
URI: https://eprints.mdx.ac.uk/id/eprint/27343

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