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Soft-in soft-out decoder

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This is an old revision of this page, as edited by Oli Filth (talk | contribs) at 20:05, 2 June 2009 (serious reword (confusing SISO with turbo principle; not really "fuzzy logic"; "probabilistic" not really the correct term here"); rm MDPC link, as zillions of codes use soft decoding). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A soft-in soft-out (SISO) decoder is a type of decoder used with error correcting codes. "Soft-in" refers to the fact that the incoming data may take on values other than 0 or 1, in order to indicate reliability. "Soft-out" refers to the fact that each bit in the decoded output also takes on a value indicating reliability.

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