Improvement of Detection Performance of a Tag response signal in ISO/IEC 18000-6 Type-B Readers 


Vol. 32,  No. 1, pp. 59-66, Jan.  2007


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  Abstract

This paper proposes a windowing method to reduce noise effect and bit synchronization error caused by tolerance of a tag-response signal for ISO/IEC 18000-6 type-B readers. A tag response signal has very weak power because of a back-scattering modulation scheme and thus may be sensitive to noise. In addition, bit tolerance admitted in a tag response signal requires robust timing synchronization because it affects readers' detection performance. To reduce the two undesirable effects in a tag signal, we acquire bit transition position by using variable windows from over-sampled data, and average whole data in one bit duration. With a hardware system adopting the proposed method, we tested and verified its performance.

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  Cite this article

[IEEE Style]

W. Choi, K. Suh, H. Kim, "Improvement of Detection Performance of a Tag response signal in ISO/IEC 18000-6 Type-B Readers," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 1, pp. 59-66, 2007. DOI: .

[ACM Style]

Woo-Seok Choi, Ki-Hwan Suh, and Hyoung-Nam Kim. 2007. Improvement of Detection Performance of a Tag response signal in ISO/IEC 18000-6 Type-B Readers. The Journal of Korean Institute of Communications and Information Sciences, 32, 1, (2007), 59-66. DOI: .

[KICS Style]

Woo-Seok Choi, Ki-Hwan Suh, Hyoung-Nam Kim, "Improvement of Detection Performance of a Tag response signal in ISO/IEC 18000-6 Type-B Readers," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 1, pp. 59-66, 1. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880