Compact UHF RFID balun-like integrated tag antenna for long range detection of water bottles

Garg, Manoj, Sharma, Ashwani, Garcia Zuazola, Ignacio Julio and Gupta, Arjit (2022) Compact UHF RFID balun-like integrated tag antenna for long range detection of water bottles. IET Microwaves, Antennas & Propagation. pp. 1-11. ISSN 1751-8725

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Official URL: https://doi.org/10.1049/mia2.12299

Abstract / Description

A compact, flexible, long-range, and impedance transformer balun-like integrated UHF RFID tag antenna is proposed for the detection of water bottles. To alleviate the performance of a tag antenna in close proximity to a high dielectric material such as water, the radiating element of the tag antenna uses folded, unbalanced strips made of balun-like arms wrapped around the tag’s body. As a result, a wide bandwidth with reasonably good radiation resistance is achieved. The tag’s body comprises dual-loops for the impedance matching to the tag chip. This leads to a long read range of 13.33 m; > 5.83 m compared to other state-of-the-art designs. The proposed tag antenna conforms to a small footprint by wrapping the balun-like arms around the tag’s body, which results in a compact form. The tag is fabricated, and the results reasonably agree with simulations.

Item Type: Article
Additional Information: This work was supported by SERB, Department of Science & Technology, Government of India under Grant ECR/2018/000343
Uncontrolled Keywords: tag antenna; UHF RFID; long range detection; water bottles; balun-like arms
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Depositing User: Ignacio Garcia Zuazola
Date Deposited: 07 Sep 2022 08:59
Last Modified: 29 Sep 2022 14:21
URI: https://repository.londonmet.ac.uk/id/eprint/7901

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