Redundancy allocation in turbo-equalizer design

Matthew J M Peacock; Iain B. Collings

doi:10.1109/TCOMM.2004.841984

Redundancy allocation in turbo-equalizer design

Matthew J M Peacock^*, Iain B. Collings

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	263-268
Number of pages	6
Journal	IEEE Transactions on Communications
Volume	53
Issue number	2
DOIs	https://doi.org/10.1109/TCOMM.2004.841984
Publication status	Published - Feb 2005
Externally published	Yes

Keywords

Extrinsic information transfer (EXIT) charts
Turbo equalization

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10.1109/TCOMM.2004.841984

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AB - 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.

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Redundancy allocation in turbo-equalizer design

Abstract

Keywords

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