Design of repeat-accumulate codes for iterative detection and decoding

Stephan Ten Brink, Gerhard Kramer

Research output: Contribution to journalArticlepeer-review

209 Scopus citations

Abstract

Extrinsic information transfer (EXIT) charts are used to design systematic and nonsystematic repeat-accumulate (RA) codes for iterative detection and decoding. The convergence problems of nonsystematic RA codes are solved by introducing a biregular, or doped, layer of check nodes. As examples, such nonsystematic codes are designed for multi-input/multi-output (MIMO) fading channels and are shown to operate close to capacity.

Original languageEnglish
Pages (from-to)2764-2772
Number of pages9
JournalIEEE Transactions on Signal Processing
Volume51
Issue number11
DOIs
StatePublished - Nov 2003
Externally publishedYes

Keywords

  • Detection
  • Iterative decoding
  • Mutual information
  • Repeat-accumulate codes

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