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On the Feedback Error in Adaptive Turbo Equalization

Trajkovic, Vladimir; Rapajic, Predrag; Kennedy, Rodney


In this paper we analyze the decision feedback error propagation in the adaptive turbo equalization with a decision feedback loop. We derive the exact mathematical expression for the feedback error probability density function (pdf) with the assumption that the soft outputs of channel decoder are identical independent distributed (i.i.d) Gaussian random variables with known mean value and variance. We also find a new set of turbo equalizer coefficients based on the feedback error pdf and MMSE...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Conference paper
Source: Proceedings of the 6th Australian Communications Theory Workshop 2005
DOI: 10.1109/AUSCTW.2005.1624257


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