An Adaptive Linear Channel Equalizer UsingAsymmetric Transversal Filter 


Vol. 30,  No. 9, pp. 830-837, Sep.  2005


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  Abstract

ISI is caused by delay spread in the multipath channel environment. There are two kinds of channel equalizer: Linear and Non-Linear type according to the structures. In this paper, we propose an improved adaptive linear equalizer to mitigate ISI. The proposed adaptive equalizer is constructed by using asymmetrical transversal filter based on MMSE sub-optimal receiver. Asymmetrical structure of the transversal filter is realized by moving the main tap position from center to side. If this structure is used, we can divide ISI to precusor and postcusor. As a result the proposed equalizer has a larger extended compensation range than conventional adaptive linear equalizer. In computer simulation, we compare the bit error rate performance of the proposed linear equalizer with the conventional one on the S-V channel which is modeled for UWB systems.

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  Cite this article

[IEEE Style]

J. Y. Han, D. G. Lim, J. M. Kim, "An Adaptive Linear Channel Equalizer UsingAsymmetric Transversal Filter," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 9, pp. 830-837, 2005. DOI: .

[ACM Style]

Jong Young Han, Dong Guk Lim, and Jae Moung Kim. 2005. An Adaptive Linear Channel Equalizer UsingAsymmetric Transversal Filter. The Journal of Korean Institute of Communications and Information Sciences, 30, 9, (2005), 830-837. DOI: .

[KICS Style]

Jong Young Han, Dong Guk Lim, Jae Moung Kim, "An Adaptive Linear Channel Equalizer UsingAsymmetric Transversal Filter," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 9, pp. 830-837, 9. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880