A Unification of ML-Optimal Tree-Search Decoders


In this paper, a generalization of tree-search algorithms with maximum likelihood (ML) error rate performance for the detection in multiple-input multiple-output (MIMO) systems is presented. The Schnorr-Euchner sphere decoder, Djikstra's algorithm applied to MIMO detection, and an ML- optimal variant of the K-best detector are shown to be special cases of… (More)


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