Linearly-encodable rate-compatible punctured LDPC codes with low error floor

Zhiyong He, Yong Liang Guan, Chee Cheon Chui, Khim Bay, Sebastien Roy, Guojun Han

Research output: Contribution to conferencePaperpeer-review

1 Citation (Scopus)

Abstract

We propose a class of rate-compatible (RC) low-density parity-check (LDPC) codes that has linear encoding complexity and low error floor. To ensure linear encoding, a deterministic form for the parity part of the mother parity-check matrix is used. To guarantee good performances in the waterfall region for a wide range of code rates, a layered density evolution algorithm is developed to obtain the degree distributions. Then, a layered node-connection algorithm is proposed to lower the error floor by increasing the values of extrinsic-message degrees of the codes. Simulation results show that no error floor is observed at a frame error rate of 10-5 for the proposed RC code.

Original languageEnglish
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event9th International Conference on Information, Communications and Signal Processing, ICICS 2013 - Tainan, Taiwan, Province of China
Duration: Dec 10 2013Dec 13 2013

Conference

Conference9th International Conference on Information, Communications and Signal Processing, ICICS 2013
Country/TerritoryTaiwan, Province of China
CityTainan
Period12/10/1312/13/13

ASJC Scopus Subject Areas

  • Computer Networks and Communications
  • Information Systems
  • Signal Processing

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