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Line 6: ---- '''Serial concatenated convolutional codes (SCCC)''' were analyzed in the 1990's in a series of publications from NASA's [[Jet Propulsion Laboratories]] ([[JPL]]). This research yielded a form of turbo-like serial concatenated codes that 1) were iteratively ('turbo') decodable with reasonable complexity, and 2) gave error correction performance comparable with the [[turbo codes]]. The analysis of SCCCs was spawned in part by the earlier discovery of [[turbo codes]] in 1993. SCCCs typically include an inner code, an outer code, and a linking interleaver. A distinguishing feature of SCCCs is the use of a recursive [[convolutional code]] as the inner code. The recursive inner code provides the 'interleaver gain' for the SCCC, which is the source of the excellent performance of these codes. Line 15: US patent 6,023,783 covers some forms of SCCCs. This patent will expire on May 15, 2016.<ref>https://www.google.com/patents/US6023783</ref> == History ==

Serial concatenated convolutional codes: Difference between revisions