A note onweight distributions of spatially "mt. Fuji" coupled LDPC codes

研究成果: Article

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Spatially "Mt. Fuji" coupled (SFC) low density parity check (LDPC) codes are constructed as a chain of block LDPC codes. A difference between the SFC-LDPC codes and the original spatially coupled (SC) LDPC codes is code lengths of the underlying block LDPC codes. The code length of the block LDPC code at the middle of the chain is larger than that at the end of the chain. It is experimentally confirmed that the bit error probability in the error floor region of the SFC-LDPC code is lower than that of the SC-LDPC code whose code length and design rate are the same as those of the SFC-LDPC code. In this letter, we calculate the weight distribution of the SFC-LDPC code and try to explain causes of the low bit error rates of the SFC-LDPC code.

元の言語English
ページ(範囲)2194-2198
ページ数5
ジャーナルIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
E101A
発行部数12
DOI
出版物ステータスPublished - 2018 12 1

ASJC Scopus subject areas

  • Signal Processing
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering
  • Applied Mathematics

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