A Study of UHF RFID Metallic Tag Design for Long Reading Range Using a Cavity Structure 


Vol. 34,  No. 12, pp. 1468-1474, Dec.  2009


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  Abstract

This paper shows an UHF RFID metallic tags using a Cavity structure for a long reading range. The reading range of a general passive tag is limited because the EIRP of a reader system is limited as 36㏈m by ISO 18000-6. To extend the reading range, the tag antenna should have a high gain antenna structure. The designed tag antenna is recognized over 10m range with a Cavity structure. The directivity pattern and the performance of the tag with the Cavity structure is stable when it is attached to a metallic object. The designed tag antenna has two kinds as cavity thickness. The sizes of designed tag antennas are 176 × 52 × 10 ㎜ and 176 × 61 × 30 ㎜ They can be attached to a large metallic materials and heavy equipments. The measured reading ranges of the tags are about 11m and 15m when they are attached to a metallic object.

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  Cite this article

[IEEE Style]

J. S. Lee, K. Lee, J. Yeo, Y. Chung, "A Study of UHF RFID Metallic Tag Design for Long Reading Range Using a Cavity Structure," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 12, pp. 1468-1474, 2009. DOI: .

[ACM Style]

Jin Seong Lee, Kyounghwan Lee, Junho Yeo, and You-Chung Chung. 2009. A Study of UHF RFID Metallic Tag Design for Long Reading Range Using a Cavity Structure. The Journal of Korean Institute of Communications and Information Sciences, 34, 12, (2009), 1468-1474. DOI: .

[KICS Style]

Jin Seong Lee, Kyounghwan Lee, Junho Yeo, You-Chung Chung, "A Study of UHF RFID Metallic Tag Design for Long Reading Range Using a Cavity Structure," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 12, pp. 1468-1474, 12. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880