Modeling Alien-Line Impedance Mismatch in Wideband Vectored Wireline Systems

Eduardo Medeiros; Thomas Magesacher; Per Ödling; Dong Wei; Xiang Wang; Qiaojie Li; Per-Erik Eriksson; Chenguang Lu; Jeroen Boschma; Bas van den Heuvel

doi:10.1109/LCOMM.2014.2341551

Modeling Alien-Line Impedance Mismatch in Wideband Vectored Wireline Systems

Eduardo Medeiros, Thomas Magesacher, Per Ödling, Dong Wei, Xiang Wang, Qiaojie Li, Per-Erik Eriksson, Chenguang Lu, Jeroen Boschma, Bas van den Heuvel

Department of Electrical and Information Technology

Research output: Contribution to journal › Article › peer-review

Abstract

Sudden changes of channel coefficients in a wideband vectored wireline system (such as G.fast) due to changes in the terminating impedance of lines outside the vectored group can seriously degrade stability and throughput. This letter presents a model that predicts the impact of termination mismatch based exclusively on crosstalk data for the properly-terminated state. Experimental results confirm a tight fit between model and mea- surements. The model allows analysis of system performance and stability without dedicated crosstalk measurements for mismatch cases.

Original language	English
Pages (from-to)	1527-1530
Journal	IEEE Communications Letters
Volume	18
Issue number	9
DOIs	https://doi.org/10.1109/LCOMM.2014.2341551
Publication status	Published - 2014

Subject classification (UKÄ)

Electrical Engineering, Electronic Engineering, Information Engineering

Free keywords

Impedance matching
vectored transmission
DSL

Access to Document

10.1109/LCOMM.2014.2341551

1 Doctoral Thesis (compilation)

Physical Layer Techniques for High Frequency Wireline Broadband Systems
Lins de Medeiros, E., 2018, 1 ed. Lund: Lund University. 202 p.
Research output: Thesis › Doctoral Thesis (compilation)

Open Access
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Cite this

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title = "Modeling Alien-Line Impedance Mismatch in Wideband Vectored Wireline Systems",

abstract = "Sudden changes of channel coefficients in a wideband vectored wireline system (such as G.fast) due to changes in the terminating impedance of lines outside the vectored group can seriously degrade stability and throughput. This letter presents a model that predicts the impact of termination mismatch based exclusively on crosstalk data for the properly-terminated state. Experimental results confirm a tight fit between model and mea- surements. The model allows analysis of system performance and stability without dedicated crosstalk measurements for mismatch cases.",

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author = "Eduardo Medeiros and Thomas Magesacher and Per {\"O}dling and Dong Wei and Xiang Wang and Qiaojie Li and Per-Erik Eriksson and Chenguang Lu and Jeroen Boschma and {van den Heuvel}, Bas",

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AU - Medeiros, Eduardo

AU - Magesacher, Thomas

AU - Ödling, Per

AU - Wei, Dong

AU - Wang, Xiang

AU - Li, Qiaojie

AU - Eriksson, Per-Erik

AU - Lu, Chenguang

AU - Boschma, Jeroen

AU - van den Heuvel, Bas

PY - 2014

Y1 - 2014

N2 - Sudden changes of channel coefficients in a wideband vectored wireline system (such as G.fast) due to changes in the terminating impedance of lines outside the vectored group can seriously degrade stability and throughput. This letter presents a model that predicts the impact of termination mismatch based exclusively on crosstalk data for the properly-terminated state. Experimental results confirm a tight fit between model and mea- surements. The model allows analysis of system performance and stability without dedicated crosstalk measurements for mismatch cases.

AB - Sudden changes of channel coefficients in a wideband vectored wireline system (such as G.fast) due to changes in the terminating impedance of lines outside the vectored group can seriously degrade stability and throughput. This letter presents a model that predicts the impact of termination mismatch based exclusively on crosstalk data for the properly-terminated state. Experimental results confirm a tight fit between model and mea- surements. The model allows analysis of system performance and stability without dedicated crosstalk measurements for mismatch cases.

KW - Impedance matching

KW - vectored transmission

KW - DSL

U2 - 10.1109/LCOMM.2014.2341551

DO - 10.1109/LCOMM.2014.2341551

M3 - Article

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JO - IEEE Communications Letters

JF - IEEE Communications Letters

IS - 9

ER -

Modeling Alien-Line Impedance Mismatch in Wideband Vectored Wireline Systems

Abstract

Subject classification (UKÄ)

Free keywords

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Research output

Physical Layer Techniques for High Frequency Wireline Broadband Systems

Cite this