Dual-Radio Tag System for RFID Tag Mesh Networking 


Vol. 34,  No. 11, pp. 1272-1282, Nov.  2009


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  Abstract

This paper consists of two parts: the protocol for tag-to-tag mesh network and the implementation of dual-radio RFID system. Recently, RFID has been adopted in ports or warehouse, being attached to containers and palettes for loading/unloading automation. However, the RFID system has encountered one problem ? some tags cannot receive any command from reader intermittently due to signal interference by containers or field equipments (e. g. cranes and yard tractors). This area where reader signal cannot reach is called dead-zone. The proposed method for solving the dead-zone problem is as follows. A zone which can be communicated directly between readers and tags communicates in 433㎒ frequency band in compliance with ISO/IEC 18000-7 standard. On the other hand, dead-zone communicates in 2.4㎓ frequency band by using tag-to-tag mesh network in compliance with IEEE 802.15.4 standard. The proposed method can not only save much cost to install additional readers but also help resolve the dead-zone problem. Furthermore, it can provide the easier, faster, and more economical network infrastructure.

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  Cite this article

[IEEE Style]

J. Kim and Y. Yoo, "Dual-Radio Tag System for RFID Tag Mesh Networking," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 11, pp. 1272-1282, 2009. DOI: .

[ACM Style]

Jin-Hwan Kim and Younghwan Yoo. 2009. Dual-Radio Tag System for RFID Tag Mesh Networking. The Journal of Korean Institute of Communications and Information Sciences, 34, 11, (2009), 1272-1282. DOI: .

[KICS Style]

Jin-Hwan Kim and Younghwan Yoo, "Dual-Radio Tag System for RFID Tag Mesh Networking," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 11, pp. 1272-1282, 11. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880