A New Fast Wavelet Transform Based Adaptive Algorithm for OFDM Adaptive Equalizer and its VHDL Implementation 


Vol. 31,  No. 11, pp. 1107-1119, Nov.  2006


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  Abstract

Data transmission experiences multiplicative distortion in frequency nonselective fading channel. This distortion occurs in OFDM communication channel and can be compensated using an equalizer. Usually, in the case of LMS equalizer, eigenvalue distribution of training signal is enlarged. Large eigenvalue distribution causes principally the performance of a communication system to be deteriorated. This paper proposes a new algorithm that shows the same performance as the existing fast wavelet transform algorithm with less computational complexity. The proposed algorithm was applied to an adaptive equalizer of OFDM communication system. Matlab simulation results show a better performance than the existing one. The proposed algorithm was implemented in VHDL and simulated.

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  Cite this article

[IEEE Style]

M. Joung, J. Lee, C. Lee, "A New Fast Wavelet Transform Based Adaptive Algorithm for OFDM Adaptive Equalizer and its VHDL Implementation," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1107-1119, 2006. DOI: .

[ACM Style]

Min-Soo Joung, Jae-Kyun Lee, and Chae-Wook Lee. 2006. A New Fast Wavelet Transform Based Adaptive Algorithm for OFDM Adaptive Equalizer and its VHDL Implementation. The Journal of Korean Institute of Communications and Information Sciences, 31, 11, (2006), 1107-1119. DOI: .

[KICS Style]

Min-Soo Joung, Jae-Kyun Lee, Chae-Wook Lee, "A New Fast Wavelet Transform Based Adaptive Algorithm for OFDM Adaptive Equalizer and its VHDL Implementation," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1107-1119, 11. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880