Semi-Blind Maximum-Likelihood Multichannel Estimation with Gaussian Prior for the Symbols using Soft Decisions

Abstract

We present Maximum-Likelihood (ML) approaches to semi-blind estimation of multiple FIR channels. The first approach, DML, is based on a deterministic model. The second one, GML is based on a Gaussian model in which the input symbols are considered as Gaussian random variables: this model leads to better and more robust performance than DML. Algorithms are… (More)

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