Optimal multi-user spectrum balancing for digital subscriber lines

Cendrillon, Raphael, Moonen, Marc, Verlinden, Jan and Bostoen, Tom (2006) Optimal multi-user spectrum balancing for digital subscriber lines. IEEE Transactions on Communications, 54 5: 922-933. doi:10.1109/TCOMM.2006.873096

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Author Cendrillon, Raphael
Moonen, Marc
Verlinden, Jan
Bostoen, Tom
Title Optimal multi-user spectrum balancing for digital subscriber lines
Journal name IEEE Transactions on Communications   Check publisher's open access policy
ISSN 0090-6778
Publication date 2006-05
Sub-type Article (original research)
DOI 10.1109/TCOMM.2006.873096
Open Access Status File (Author Post-print)
Volume 54
Issue 5
Start page 922
End page 933
Total pages 12
Place of publication Piscataway, N.J., U.S.A.
Publisher IEEE - Inst Electrical Electronics Engineers Inc
Language eng
Subject 291706 Broadband Network Technology
Abstract Crosstalk is a major issue in modern digital subscriber line (DSL) systems such as ADSL and VDSL. Static spectrum management, which is the traditional way of ensuring spectral compatibility, employs spectral masks that can be overly conservative and lead to poor performance. This paper presents a centralized algorithm for optimal spectrum balancing in DSL. The algorithm uses the dual decomposition method to optimize spectra in an efficient and computationally tractable way. The algorithm shows significant performance gains over existing dynamic spectrum management (DSM) techniques, e.g., in one of the cases studied, the proposed centralized algorithm leads to a factor-of-four increase in data rate over the distributed DSM algorithm iterative waterfilling.
Keyword DSL
Digital subscriber line (DSL)
spectrum balancing
dynamic spectrum management (DSM)
dual decomposition
interference channel
nonconvex optimization
Q-Index Code CX
Additional Notes Citation: Cendrillon, Raphael and Yu, Wei and Moonen, Marc (2006) Optimal Multi-user Spectrum Balancing for Digital Subscriber Lines. IEEE Transactions on Communications 54(5):922-933. doi: 10.1109/TCOMM.2006.873096 Copyright (c) 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Information Technology and Electrical Engineering Publications
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Citation counts: TR Web of Science Citation Count  Cited 210 times in Thomson Reuters Web of Science Article | Citations
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Created: Mon, 22 May 2006, 10:00:00 EST by Raphael Jean Cendrillon on behalf of School of Information Technol and Elec Engineering