NDLI: Distributed Spectrum Management Algorithms for Multiuser DSL Networks

Content Provider	IEEE Xplore Digital Library
Author	Tsiaflakis, P. Diehl, M. Moonen, M.
Copyright Year	1991
Abstract	Modern digital subscriber line (DSL) networks suffer from crosstalk among different lines in the same cable bundle. This crosstalk can lead to a major performance degradation. By balancing the transmit power spectra, the impact of crosstalk can be minimized leading to spectacular performance gains. This is referred to as spectrum management. In this paper, a unifying perspective is presented on distributed spectrum management algorithms based on the Karush-Kuhn-Tucker (KKT) conditions. Furthermore, novel distributed algorithms are presented within the same KKT framework. The proposed distributed algorithms consist of local water-filling-like algorithms running in the individual modems, controlled by the spectrum management center. Extensive simulation results show that the proposed algorithms perform very well for several multi-user ADSL and VDSL scenarios.
Sponsorship	IEEE Signal Processing Society
Starting Page	4825
Ending Page	4843
Page Count	19
File Size	995569
File Format	PDF
ISSN	1053587X
Volume Number	56
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio spectrum management DSL Crosstalk Distributed algorithms Signal processing Modems Frequency Design optimization Signal processing algorithms Degradation spectrum management Digital subscriber line (DSL) distributed algorithm interference channel Karush–Kuhn–Tucker (KKT) multicarrier power allocation Karush-Kuhn-Tucker (KKT)
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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