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Zipper performance when mixing ADSL and VDSL in terms of reach and capacity
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.
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1997 (English)Report (Other academic)
Abstract [en]

In this contribution we have examined how the maximum reach vary at different bit rates on a VDSL system, when different numbers of ADSL and VDSL systems share the same binder. In this context it is concluded that when using the Zipper duplex scheme, VDSL can coexist with ADSL in the same binder without a significant degradation in reach. Further, it is shown that the Zipper duplex scheme secure that ADSL is not disturbed by NEXT from VDSL The Zipper performance has also been compared with both a TDD proposal and a FDD proposal. The results from this comparison shows that Zipper outperforms FDD and TDD in terms of extended reach at all studied mixes of ADSL and VDSL sharing the same binder. For example with a moderate number (5) of ADSL disturbers, the Zipper reach is 150 meters longer than for TDD, and is 350 meters longer than for FDD when studying the medium range asymmetrical bit rate (26:3.2 Mbps).

Place, publisher, year, edition, pages
OceanSide Publications, 1997. , 10 p.
, ANSI Technical Report, ANSI T1E1.4/97-138
Research subject
Mathematics; Signal Processing
URN: urn:nbn:se:ltu:diva-24364Local ID: aa6b5150-e08e-11dc-9e29-000ea68e967bOAI: diva2:997416
Godkänd; 1997; 20080221 (ysko)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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