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Exact Erasure Channel Density Evolution for Protograph-Based Generalized LDPC Codes

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Author

Summary, in English

We derive explicit density evolution equations for protograph-based generalized LDPC codes on the binary erasure channel. They are obtained from an analysis of multi-dimensional input/output transfer functions of the component decoders. Belief propagation decoding with optimal component APP decoders is considered. Based on the resulting transfer functions, a threshold analysis is performed for some protograph examples.

Publishing year

2009

Language

English

Pages

566-570

Publication/Series

2009 IEEE International Symposium on Information Theory

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • LDPC codes
  • generalized LDPC codes
  • GLDPC codes
  • EXIT charts
  • protograph

Conference name

IEEE International Symposium on Information Theory (ISIT), 2009

Conference date

2009-06-28 - 2009-07-03

Conference place

Seoul, Korea, Democratic People's Republic of

Status

Published

Research group

  • Telecommunication Theory

ISBN/ISSN/Other

  • ISBN: 978-1-4244-4312-3