Convolutional code: Difference between revisions

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Revision as of 20:57, 29 January 2004

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In [[telecommunication]], a '''convolutional code''' is a type of [[error]]-correction [[code]] in which (a) each <i>m</i>-[[bit]] [[information]] symbol (each <i>m</i>-[[bit string]]) to be encoded is transformed into an <i>n</i>-bit symbol, where <i>n</i> ><i>m</i> and (b) the transformation is a function of the last <i>k</i> information symbols, where <i>k</i> is the constraint length of the code.

<i>Note:</i> Convolutional codes are often used to improve the performance of [[radio]] and [[satellite]] links.

Source: from [[Federal Standard 1037C]]