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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 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
Piscataway, N.J.: IEEE Press, 2007. s. 46-50
Emneord [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
HSV kategori
Identifikatorer
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, id: diva2:588907
Konferanse
The Second International Conference on Access Networks (Accessnet2007), Ottawa, Ontario, Canada, August 22-24, 2007.
Tilgjengelig fra: 2013-01-16 Laget: 2013-01-16 Sist oppdatert: 2013-02-26bibliografisk kontrollert

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