IRO Journal on Sustainable Wireless Systems
IRO Journals
Volume 1 — Issue 1 — March 2019

TOWARDS GHZ METALLIC ACCESS NETWORKS

https://doi.org/10.36548/jsws.2019.1.002
Petr Jares
Professor, Czech Technical University in Prague, Faculty of Electrical Eng., Department of Telecommunication Engineering, Technicka, Prague, Czech Republic
Pavel Lafata
Professor, Czech Technical University in Prague, Faculty of Electrical Eng., Department of Telecommunication Engineering, Technicka, Prague, Czech Republic
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How to Cite

Jares, Petr, and Pavel Lafata. 2019. “TOWARDS GHZ METALLIC ACCESS NETWORKS”. IRO Journal on Sustainable Wireless Systems 1 (1): 19-30. https://doi.org/10.36548/jsws.2019.1.002.
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Keywords

— Gfast
— Gigabit DSL
— metallic cables
— modelling
Published: 31-03-2019

Abstract

The transmission capacity and speed of access networks need to be continually increased as the transmission demands and data flows of the end-users grow steadily. Metallic cables and lines are still often used in both local area networks as well as access networks. Today, the G.fast lines with transmission speed of 1 Gbps working in 212 MHz frequency band are being deployed in practice, and a novel XG.fast conception with a frequency band up to 424 MHz is being developed. However, the future DSL solutions will soon reach GHz transmission bands in order to increase the transmission speed over metallic lines. Due to that it is necessary to investigate the behaviour and transmission characteristics of typical existing metallic lines in GHz frequency band and to develop accurate models to provide necessary estimations and modelling of in order to optimize transmission parameters, modulations and characteristics of future gigabit DSL solutions.

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