A Soft Decision Feedback Equalizer
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International Conference on Telecommunications, Cheju/ Korea.
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Abstract
In this paper, a method to reduce the error prop-agation in Decision Feedback Equalizers (DFEs) is addressed. An M-level staircase nonlinearity is pro-posed for the feedback chain of the DFE. Analytical results are presented to show advantages obtained with increasing M. Finally, the saturation nonlinearity (the limiting case as M tends to in nity) is suggested for the DFE. Simulations are provided to support the proposed DFE. Its performance is found to be better than that of the recently proposed Era-sure DFE.
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communications systems, feedback equalizer, simulations, subsequent decisions
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Kadri Hacıoğlu, Hasan Amca (15-18 june 1999),"A Soft Decision Feedback Equalizer"International Conference on Telecommunications.
