Fast Decoding of the Leech Lattice

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New efficient algorithm for maximum likelihood soft-decision decoding of the Leech lattice is presented. The superiority of this decoder with respect to both computational and memory complexities, compared to previously published decoding methods is demonstrated. Gain factors in the range of 2-10 are achieved. The Leech lattice has been recently suggested for practical implementation of block-coded modulation and the decoder is described here in that context.

Original languageEnglish
Pages (from-to)959-966
Number of pages8
JournalIEEE Journal on Selected Areas in Communications
Issue number6
StatePublished - Aug 1989


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