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J Electromagn Eng Sci > Volume 17(3); 2017 > Article
Journal of Electromagnetic Engineering and Science 2017;17(3):159-164.
DOI: https://doi.org/10.5515/JKIEES.2017.17.3.159    Published online July 31, 2017.
Fully Printed Chipless RFID Tags Using Dipole Array Structures with Enhanced Reading Ranges
Dongho Jeon, Min-Sik Kim, Seung-Jin Ryu, Dae-Heon Lee, Jong-Kyu Kim
National Security Research Institute, Daejeon, Korea.
Correspondence:  Jong-Kyu Kim,Email: contai@nsr.re.kr
Received: 30 June 2017   • Revised: 25 July 2017   • Accepted: 25 July 2017
Abstract
This article proposes a design of chipless RFID tag with dipole array structure that is fully printable using conductive ink. The proposed tags encode data based on spectral signature modulations. The reading range is considerably increased (2 m) while maintaining low transmission power (1 mW). Several prototype chipless RFID tags were fabricated and measured in the SHF and UHF bands. The proposed dipole array structure enhances the antenna gain of the passive tags and contributes to overcoming the low conductivity of conductive ink. In order to verify the utility of our proposal, the tags are manufactured on paper, using conductive ink, for the purpose of economic mass production.
Key words: Chipless RFID Tags, Conductive Ink, Dipole Array Structure, Screen Printing
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