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Coverage Optimization in DSL Networks by Low-Complexity Discrete Spectrum Balancing
FTW, Österrike.
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).ORCID iD: 0000-0002-0562-2082
2011 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Spectrum balancing is an established optimization approach in multi-carrier digital subscriber line (DSL) systems. It has previously been applied to very different performance objectives such as sum-rate, min-rate, or fairness maximization and sum-power minimization. In this work we study the maximization of the service coverage, which will be defined as the number of DSL lines which can be granted an operator-specified high-bandwidth service. The proposed algorithm is based on a previously described mathematical decomposition framework. We extend this framework for our new problem and enhance its scalability by various low-complexity heuristics. Simulations demonstrate the applicability of our algorithm for DSL networks of realistic sizes. More precisely, our results obtained in thousand 25 user near-far DSL scenarios show an average gain in service coverage of more than 13% compared to state-of-the-art sum-rate maximizing spectrum balancing algorithms. © 2011 IEEE.

Place, publisher, year, edition, pages
Piscataway, N.J.: IEEE Press, 2011.
Series
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
Keyword [en]
Balancing algorithms, Digital subscriber line systems, Discrete spectrum, DSL networks, High bandwidth, Low-complexity, Mathematical decomposition, Multi carrier, Near-far, Optimization approach, Performance objective, Sum-rate
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-21174DOI: 10.1109/GLOCOM.2011.6134345ISI: 000300509004099Scopus ID: 2-s2.0-84857214557ISBN: 978-142449268-8 OAI: oai:DiVA.org:hh-21174DiVA: diva2:588880
Conference
In Proc. IEEE Global Communications Conference (GLOBECOM), Houston, Texas, USA, December 5-9, 2011
Available from: 2013-01-16 Created: 2013-01-16 Last updated: 2013-02-26Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf