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Spectrum Balancing for DSL with Restrictions on Maximum Transmit PSD
FTW, Österrike.
FTW, Österrike.ORCID iD: 0000-0002-0562-2082
FTW, Österrike.
2007 (English)Conference paper, Published paper (Refereed)
Abstract [en]

The importance of a power spectral density (PSD) mask restriction is often overlooked when optimizing the spectrum usage for multiuser digital subscriber lines (DSL) systems. However, by developing the optimization strategies based only on the PSD constraints (masks) we can tremendously reduce the computation complexity compared to the methods only based on the total power restriction. In this paper we introduce a mask-based spectrum balancing (MSB) algorithm and demonstrate the near optimum performance of this optimization approach. Furthermore, we show that besides standards compliance, PSD restriction is also needed to ensure the convergence of iterative spectrum balancing methods, which use dual decomposition optimization.

Place, publisher, year, edition, pages
Piscataway, N.J.: IEEE Press, 2007. 46-50 p.
Keyword [en]
Convergence of numerical methods, DSL, Modems, Optimization, Power spectral density, Power spectrum, Pulse shaping circuits, Regulatory compliance, Standards, Telecommunication equipment, Telecommunication lines, Telephone lines
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-21186DOI: 10.1109/ACCESSNETS.2007.4447105ISI: 000255503100007Scopus ID: 2-s2.0-47249135539ISBN: 978-142441150-4 OAI: oai:DiVA.org:hh-21186DiVA: diva2:588907
Conference
The Second International Conference on Access Networks (Accessnet2007), Ottawa, Ontario, Canada, August 22-24, 2007.
Available from: 2013-01-16 Created: 2013-01-16 Last updated: 2013-02-26Bibliographically approved

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Citation style
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Language
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