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ADSL Transceivers Applying DSM and Their Nonstationary Noise Robustness

EURASIP Journal on Advances in Signal Processing volume 2006, Article number: 067686 (2006) Cite this article

Abstract

Dynamic spectrum management (DSM) comprises a new set of techniques for multiuser power allocation and/or detection in digital subscriber line (DSL) networks. At the Alcatel Research and Innovation Labs, we have recently developed a DSM test bed, which allows the performance of DSM algorithms to be evaluated in practice. With this test bed, we have evaluated the performance of a DSM level-1 algorithm known as iterative water-filling in an ADSL scenario. This paper describes the results of, on the one hand, the performance gains achieved with iterative water-filling, and, on the other hand, the nonstationary noise robustness of DSM-enabled ADSL modems. It will be shown that DSM trades off nonstationary noise robustness for performance improvements. A new bit swap procedure is then introduced to increase the noise robustness when applying DSM.

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Authors and Affiliations

  1. Research & Innovation Department of Alcatel, Francis Wellesplein 1, Antwerpen, 2018, Belgium

    Etienne Van den Bogaert

  2. Access Networks Division of Alcatel, Francis Wellesplein 1, Antwerpen, 2018, Belgium

    Tom Bostoen & Jan Verlinden

  3. School of Information Technology & Electrical Engineering, University of Queensland, Brisbane, QLD, 4072, Australia

    Raphael Cendrillon

  4. Department of Electrical Engineering, Katholieke Universiteit Leuven, Kasteelpark Arenberg 10, Leuven-Heverlee, 3001, Belgium

    Marc Moonen

Authors
  1. Etienne Van den Bogaert
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  2. Tom Bostoen
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  3. Jan Verlinden
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  4. Raphael Cendrillon
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  5. Marc Moonen
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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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den Bogaert, E.V., Bostoen, T., Verlinden, J. et al. ADSL Transceivers Applying DSM and Their Nonstationary Noise Robustness. EURASIP J. Adv. Signal Process. 2006, 067686 (2006). https://doi.org/10.1155/ASP/2006/67686

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  • DOI: https://doi.org/10.1155/ASP/2006/67686

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