Redundancy allocation in turbo-equalizer design

Matthew J M Peacock*, Iain B. Collings

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


This paper considers properties of the extrinsic information transfer (EXIT) functions of turbo equalized intersymbol interference channels and finite-impulse response precoders. An analytic expression is derived for the maximum value of the EXIT function of the equalizer. Using this parameter, a design strategy is proposed for allocating redundancy between the equalizer and the decoder. The key quantities are pilot-symbol rate and code puncturing, for fixed overall data and symbol rates.

Original languageEnglish
Pages (from-to)263-268
Number of pages6
JournalIEEE Transactions on Communications
Issue number2
Publication statusPublished - Feb 2005
Externally publishedYes


  • Extrinsic information transfer (EXIT) charts
  • Turbo equalization


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