NDLI: Towards a compatible Level-2 DSM algorithm to protect downstream multiuser xDSL legacy systems

Content Provider	IEEE Xplore Digital Library
Author	Cordova, H. van Biesen, L. van den Brink, R. van den Heuvel, B.
Copyright Year	2011
Description	Author affiliation: Physical Layer Department, TNO ICT, Delft, the Netherlands (van den Brink, R.; van den Heuvel, B.) \|\| ELEC, V rije Universiteit Brussel, Brussels, Belgium (Cordova, H.; van Biesen, L.)
Abstract	Higher levels of Dynamic Spectrum Management (DSM) are strongly desired; however, we still need methods that are compliant with the current spectrum management specifications and DSM-proven, at the same time. Therefore, we propose a simple yet efficient pre-Level-2 DSM algorithm to protect legacy xDSL systems from new technology implementations (e.g. VDSL2). We show by extensive simulations how effective our proposed algorithm performs over different scenarios. We have also evaluated the penalty (performance) function for VDSL2 lines. We have found that VDSL2 lines suffer from performance degradation in the order of up to ∼4.5 Mbps, depending on the primary access network (PAN) length and the cable in use. We have also shown that previous methods as followed in [17, 18, 19] correspond to a specific case of our proposed algorithm.
Starting Page	497
Ending Page	500
File Size	165719
Page Count	4
File Format	PDF
ISBN	9781457706806
ISSN	15301346
e-ISBN	9781457706813
e-ISBN	9781457706783
DOI	10.1109/ISCC.2011.5983886
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-28
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Radio spectrum management DSL Noise Heuristic algorithms Shape Bit rate PSD Shaping DSM VDSL2 Multi-user DSL
Content Type	Text
Resource Type	Article
Subject	Signal Processing Mathematics Computer Networks and Communications Computer Science Applications Software

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