NDLI: Analyzing and modeling of far-end crosstalk in twisted multi-pair metallic cables

Content Provider	IEEE Xplore Digital Library
Author	Lafata, P. Pravda, M.
Copyright Year	2011
Description	Author affiliation: Czech Technical University in Prague, Faculty of Electrical Engineering, Department of Telecommunication Engineering, Prague, Czech Republic (Lafata, P.; Pravda, M.)
Abstract	Crosstalk and especially far-end crosstalk represents the most serious source of disturbance in today's digital transmission systems. It mostly limits the information capacity of current xDSL digital subscriber lines and also local data networks with unshielded and or shielded twisted pairs (UTP/STP). For the proper and efficient operation of Vectored Discrete Multi-tone modulation (VDMT), which could reduce the influence of far-end crosstalk, it will be necessary to implement advanced methods for modeling of FEXT to obtain the required predictions of crosstalk behavior in a cable. The standard simple FEXT model is not very accurate and does not provide realistic results. That is why a new method for modeling of FEXT was developed and is presented in this paper. The main idea of the model is based on the assumptions concerning the propagation of electromagnetic waves through the cable and its simulation by proper harmonic functions. The results of the model are also compared with measured characteristics for a typical UTP a PEPKFH cable. On the other hand, proposed advanced FEXT model with minor modifications is applicable for any metallic cable to provide accurate and realistic FEXT characteristics.
Starting Page	1
Ending Page	4
File Size	379760
Page Count	4
File Format	PDF
ISBN	9781457703157
ISSN	18037232
e-ISBN	9788070439302
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-07
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	University of West Bohemi
Subject Keyword	Crosstalk Modulation Length measurement Attenuation measurement Attenuation Cable insulation DSL
Content Type	Text
Resource Type	Article

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