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On the Thresholds of Generalized LDPC Convolutional Codes Based on Protographs

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Author

Summary, in English

A threshold analysis of terminated generalized LDPC convolutional codes (GLDPC CCs) is presented for the binary erasure channel. Different ensembles of protograph-based GLDPC CCs are considered, including braided block codes (BBCs). It is shown that the terminated PG-GLDPC CCs have better thresholds than their block code counterparts. Surprisingly, our numerical analysis suggests that for large termination factors the belief propagation decoding thresholds of PG-GLDPC CCs coincide with the ML decoding thresholds of the corresponding PG-GLDPC block codes.

Publishing year

2010

Language

English

Pages

709-713

Publication/Series

2010 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

  • spatial coupling
  • LDPC codes
  • generalized LDPC codes
  • GLDPC codes

Conference name

IEEE International Symposium on Information Theory (ISIT), 2010

Conference date

2010-06-13 - 2010-06-18

Conference place

Austin, Texas, United States

Status

Published

Research group

  • Telecommunication Theory

ISBN/ISSN/Other

  • ISBN: 978-1-4244-7890-3