Soft-Output Decoding of 17 Parity Preserve/Prohibit Repeated Minimum Transition Runlength (PP) Code

We propose a novel trellis decoding technique for soft-output decoding of 17 parity preserve/prohibit repeated minimum transition runlength (PP) code. The trellis of the 17 PP code has 21 states and 79 branches. We applied the Bahl-Cocke-Jelinek-Raviv (BCJR) algorithm to the trellis to obtain a soft...

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Bibliographic Details
Published inJapanese Journal of Applied Physics Vol. 43; no. 7S; p. 4882
Main Authors Miyauchi, Toshiyuki, Iida, Yasuhiro, Watanabe, Tetsu, Urakawa, Yoshiyuki
Format Journal Article
LanguageEnglish
Published 01.07.2004
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Summary:We propose a novel trellis decoding technique for soft-output decoding of 17 parity preserve/prohibit repeated minimum transition runlength (PP) code. The trellis of the 17 PP code has 21 states and 79 branches. We applied the Bahl-Cocke-Jelinek-Raviv (BCJR) algorithm to the trellis to obtain a soft-input soft-output (SISO) decoder. Using this SISO decoder, we have developed a turbo-coded 17 PP system for optical recording. It is experimentally confirmed that the turbo-coded 17 PP system effectively improves the bit error rate (BER) of high-density optical storage.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.43.4882