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1 Journal of Theoretical and Applied Computer Science

1 2014

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The decision-feedback equalizer optimization for Gaussian noise

Grzybowski A., Kisilewicz J. W.

Journal of Theoretical and Applied Computer Science

2014

Vol. 8, nr 4

5-12

The new method of decision-feedback parameters optimization for intersymbol interference equalizers is described in this paper. The error extension phenomena is well known and investigated in the decision feedback equalizers in data transmission. The existing coefficient in decision feedback depends on the receive decision risk qualification. There is proved the bit error probability can be decreased by this method for any channel with single interference sample and small Gaussian noise. The experimental results are presented for chosen type channels. The dependences of optimal feedback parameters on channel interference sample and on noise power are presented too.