An Adaptive IIR Pre-equalizer for Terrestrial DTV Transmitters 


Vol. 31,  No. 3, pp. 328-336, Mar.  2006


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  Abstract

A novel pre-equalization method for terrestrial DTV transmitters is presented. A pre-equalizer has been used in transmitters to correct group delay and amplitude distortions caused by a channel filter. In the proposed pre-equalizer, an equation-error adaptive IIR filtering scheme is adopted unlike the conventional pre-equalization using FIR filtering schemes. The pole-zero modelling property of IIR filters improves the signal-to-noise ratio and may deal with diverse linear distortions existing in DTV transmitters as well as the channel filter distortion. Simulation results show that the proposed IIR pre-equalizer performs better than the FIR pre-equalizer in terms of the residual mean-square error.

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  Cite this article

[IEEE Style]

H. Kim, W. Kim, D. Kwon, "An Adaptive IIR Pre-equalizer for Terrestrial DTV Transmitters," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 3, pp. 328-336, 2006. DOI: .

[ACM Style]

Hyoung-Nam Kim, Wan-Jin Kim, and Dae-Ken Kwon. 2006. An Adaptive IIR Pre-equalizer for Terrestrial DTV Transmitters. The Journal of Korean Institute of Communications and Information Sciences, 31, 3, (2006), 328-336. DOI: .

[KICS Style]

Hyoung-Nam Kim, Wan-Jin Kim, Dae-Ken Kwon, "An Adaptive IIR Pre-equalizer for Terrestrial DTV Transmitters," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 3, pp. 328-336, 3. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880