Proposal Of Optimum Equalizer Hardware Architecture for Cable Modem and Analysis of Various LMS Algorithms 


Vol. 27,  No. 2, pp. 150-159, Feb.  2002


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  Abstract

This paper presents the convergence time, SER(Symbol Error Rate), MSEfMean Square Error), hardware complexity and step-size(?) about various LMS(Least Mean Square) algorithms in FS-DFE(Fractionally Spaced-Decision Feedback Equalizer) for Cable Modem based on MCNS(Multimedia Cable Network System) DOCSIS(Data Over Cable Service Interface Specification) v1.0/vl.l standards. We designed and simulated using SPW™ and synthesized using STD90 library through SYNOPSYS™. And also, we adopted the time-multiplexed multiplication and tap shared architecture in order to achieve the low hardware complexity. Simulation results show that DS-LMS algorithms[1][3] is the optimum solution about performace and hardware size, in high order QAM applications. Finally, we achieved area saving about 58% using DS-LMS algorithms compare with conventional equalizer architecture.

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  Cite this article

[IEEE Style]

Y. G. Cho, H. Yu, B. W. Kim, J. D. Cho, J. W. Kim, J. K. Lee, H. C. Park, "Proposal Of Optimum Equalizer Hardware Architecture for Cable Modem and Analysis of Various LMS Algorithms," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 2, pp. 150-159, 2002. DOI: .

[ACM Style]

Yeon Gon Cho, Hyeong-seok Yu, Byung Wook Kim, Jun Dong Cho, Jea Woo Kim, Jae Kon Lee, and Hyun Chul Park. 2002. Proposal Of Optimum Equalizer Hardware Architecture for Cable Modem and Analysis of Various LMS Algorithms. The Journal of Korean Institute of Communications and Information Sciences, 27, 2, (2002), 150-159. DOI: .

[KICS Style]

Yeon Gon Cho, Hyeong-seok Yu, Byung Wook Kim, Jun Dong Cho, Jea Woo Kim, Jae Kon Lee, Hyun Chul Park, "Proposal Of Optimum Equalizer Hardware Architecture for Cable Modem and Analysis of Various LMS Algorithms," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 2, pp. 150-159, 2. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880