STAIRCASE CODE DECODING METHOD AND STAIRCASE CODE DECODING APPARATUS

WIPO Patent Application WO/2019/011352

A1

Disclosed are a staircase code decoding method and a staircase code decoding apparatus. The method comprises: step 1, obtaining the length L of a sliding window, and continuously obtaining, from a Pth start, L subcode blocks to act as first subcode blocks to be decoded in the sliding window; step 2, dividing the first subcode blocks to be decoded into a plurality of first groups to be decoded, respectively decoding a plurality of groups to be decoded, and updating the plurality of first groups to be decoded according to decoding results to obtain first update subcode blocks; step 3, sliding the sliding window forwards by the length of N subcode blocks; step 4, dividing second subcode blocks to be decoded into a plurality of second groups to be decoded, decoding the plurality of second groups to be decoded, obtaining second update subcode blocks, and outputting the first M subcode blocks among the second update subcode blocks; step 5, sliding the sliding window backwards by S, and returning to step 2, until the decoding results of all the subcode blocks are outputted, wherein S is the sum of M and N.

YIN JUNJIE (CN)
CAI YI (CN)
WANG WEIMING (CN)
SUN ERKUN (CN)

PCT/CN2018/104874

January 17, 2019

September 10, 2018

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ZTE CORP (CN)

H03M13/29; H04L1/00

CN105429646A	2016-03-23
US20140237325A1	2014-08-21
US8656244B1	2014-02-18

ZHANG, LEI M. ET AL.: "Staircase Codes With 6% to 33% Overhead", JOURNAL OF LIGHTWAVE TECHNOLOGY, 15 May 2014 (2014-05-15), XP011547432
SMITH, BENJAMIN P .: "Staircase Codes: FEC for 100 Gb/s OTN", JOURNAL OF LIGHTWAVE TECHNOLOGY, 30 January 2012 (2012-01-30), XP080559124

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