Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access Networks

A novel approach is presented which is able to predict the available maximal data transfer rate of SHDSL connections from measured frequency dependent electrical parameters of wire pairs. Predictions are made by a fuzzy inference system. The basis of the operable and tested method will be introduced...

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Main Authors: Ferenc Lilik, Szilvia Nagy, László T. Kóczy
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Complexity
Online Access:http://dx.doi.org/10.1155/2018/3685927
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author Ferenc Lilik
Szilvia Nagy
László T. Kóczy
author_facet Ferenc Lilik
Szilvia Nagy
László T. Kóczy
author_sort Ferenc Lilik
collection DOAJ
description A novel approach is presented which is able to predict the available maximal data transfer rate of SHDSL connections from measured frequency dependent electrical parameters of wire pairs. Predictions are made by a fuzzy inference system. The basis of the operable and tested method will be introduced, then an improved version is shown, in which the problems derived from sampling of continuous functions of electrical parameters are eliminated by wavelet transformation. Also possibilities for simplification of the problem and a way of reducing the dimensions of the applied rule bases are presented. As the set of the measured data leads to sparse rule bases, handling of sparseness is unavoidable. Two different ways—fuzzy interpolation and various membership functions—will be introduced. The presented methods were tested by measurements in real telecommunications access networks.
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institution Kabale University
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publishDate 2018-01-01
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series Complexity
spelling doaj-art-32e67b2694864d19b8e6172fb55301c12025-02-03T05:44:05ZengWileyComplexity1076-27871099-05262018-01-01201810.1155/2018/36859273685927Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access NetworksFerenc Lilik0Szilvia Nagy1László T. Kóczy2Department of Telecommunications, Széchenyi István University, Egyetem tér 1, Győr 9026, HungarySzéchenyi István University, Győr, HungarySzéchenyi István University, Győr, HungaryA novel approach is presented which is able to predict the available maximal data transfer rate of SHDSL connections from measured frequency dependent electrical parameters of wire pairs. Predictions are made by a fuzzy inference system. The basis of the operable and tested method will be introduced, then an improved version is shown, in which the problems derived from sampling of continuous functions of electrical parameters are eliminated by wavelet transformation. Also possibilities for simplification of the problem and a way of reducing the dimensions of the applied rule bases are presented. As the set of the measured data leads to sparse rule bases, handling of sparseness is unavoidable. Two different ways—fuzzy interpolation and various membership functions—will be introduced. The presented methods were tested by measurements in real telecommunications access networks.http://dx.doi.org/10.1155/2018/3685927
spellingShingle Ferenc Lilik
Szilvia Nagy
László T. Kóczy
Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access Networks
Complexity
title Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access Networks
title_full Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access Networks
title_fullStr Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access Networks
title_full_unstemmed Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access Networks
title_short Improved Method for Predicting the Performance of the Physical Links in Telecommunications Access Networks
title_sort improved method for predicting the performance of the physical links in telecommunications access networks
url http://dx.doi.org/10.1155/2018/3685927
work_keys_str_mv AT ferenclilik improvedmethodforpredictingtheperformanceofthephysicallinksintelecommunicationsaccessnetworks
AT szilvianagy improvedmethodforpredictingtheperformanceofthephysicallinksintelecommunicationsaccessnetworks
AT laszlotkoczy improvedmethodforpredictingtheperformanceofthephysicallinksintelecommunicationsaccessnetworks