Simple and Causal Copper Cable Model Suitable for G.fast Frequencies

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Abstract

G.fast is a new standard from the International Telecommunication Union, which targets 1 Gb/s over short copper loops using frequencies up to 212 MHz. This new technology requires accurate parametric cable models for simulation, design, and performance evaluation tests. Some existing copper cable models were designed for the very high speed digital subscriber line spectra, i.e., frequencies up to 30 MHz, and adopt assumptions that are violated when the frequency range is extended to G.fast frequencies. This paper introduces a simple and causal cable model that is able to accurately characterize copper loops composed by single or multiple segments, in both frequency and time domains. Results using G.fast topologies show that, apart from being accurate, the new model is attractive due to its low computational cost and closed-form expressions for fitting its parameters to measurement data.

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  • Electrical Engineering, Electronic Engineering, Information Engineering
Original languageEnglish
Pages (from-to)4040-4051
JournalIEEE Transactions on Communications
Volume62
Issue number11
Publication statusPublished - 2014
Publication categoryResearch
Peer-reviewedYes

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