Implementation of 500BASE-T with 2 Pairs UTP 


Vol. 36,  No. 10, pp. 1150-1158, Oct.  2011


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  Abstract

More than 100 Mbps rate is needed in the UBcN for a subscriber to receive broadband traffics with multi-channel like UDTV or 3DTV. Although the optical fiber is recently deployed for the FTTH, the UTP is the most widely used medium and will be used in UBcN age. Network providers may consider the 1000BASE-T or the vectorized VDSL if they adopts the UTP in the place where does not have optical fibers. But UTP should be expanded because 1000BASE-T and vectorized UTP needs 4 and 3 pairs cable, respectively while residential region has not exceeding 2 pair UTP cable. To solve the problem, we propose a 500BASE-T technology using 2 pairs UTP in this paper. The technology introduces a rate adaptation sublayer and a SERDES sublayer above and under the PCS, respectively. The rate adaptation sublayer is compatible for the GMII. Also, if we modify the SERDES sublayer, the technology can easily obtain 250BASE-T with 2 pairs UTP. We implement such functions with FPGA and analog board and verify the function of rate adaptation and symbol vector synchronization, and effective transmission rate by experiments. In particular, we show that link efficiency is increased by enable control in the rate adaptation sublayer.

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  Cite this article

[IEEE Style]

H. Chung, S. Jeon, J. Kim, H. Park, "Implementation of 500BASE-T with 2 Pairs UTP," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 10, pp. 1150-1158, 2011. DOI: .

[ACM Style]

Hae Chung, Seong-bae Jeon, Jin-hee Kim, and Hyung-jin Park. 2011. Implementation of 500BASE-T with 2 Pairs UTP. The Journal of Korean Institute of Communications and Information Sciences, 36, 10, (2011), 1150-1158. DOI: .

[KICS Style]

Hae Chung, Seong-bae Jeon, Jin-hee Kim, Hyung-jin Park, "Implementation of 500BASE-T with 2 Pairs UTP," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 10, pp. 1150-1158, 10. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880