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Block turbo codes for multicarrier local loop transmission

  • C. Vanstraceele
  • , B. Geller
  • , J. P. Barbot
  • , J. M. Brossier
  • ENS Paris-Saclay
  • Université de PARIS XII
  • STMicroelectronics SA, France

Research output: Contribution to journalConference articlepeer-review

Abstract

In this paper we investigate the performance of different block turbo codes in the context of Enhanced VDSL. We first describe the VDSL system used in our simulation link. We then propose an iterative decoding algorithm based on Pyndiah's SISO decoder for product turbo block codes that can be implemented with reasonable complexity. We also illustrate several results for various QAM modulation schemes. The coding gains obtained for the different codes and modulations then allow us to predict the attainable bit rates as a function of the line length. We show that such a turbo block decoding outperforms the classical Reed Solomon hard decoding used in the ADSL system.

Original languageEnglish
Pages (from-to)1773-1776
Number of pages4
JournalIEEE Vehicular Technology Conference
Volume56
Issue number3
Publication statusPublished - 1 Jan 2002
Externally publishedYes
Event56th Vehicular Technology Conference - Vancouver, BC, Canada
Duration: 24 Sept 200228 Sept 2002

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