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Modeling and measurement of short copper cables for ultra-wideband communications

Author

Summary, in English

High-speed communication using the copper network, originally installed for telephony, is one of the dominant Internet access techniques. Several variants of a technology referred to as digital subscriber line (xDSL) have been developed, standardized and installed

during the last two decades. Essentially, xDSL achieves high rates by exploiting wide bands of the copper cable channel. The shorter the cable, the wider is the band that can be used efficiently for communication. Current xDSL standards use bands up to 18MHz. Cable properties have been studied by means of measurements,

characterization and modeling up to frequencies of 30MHz.

Recent investigations have shown that is feasible both from technical and from economical point of view to exploit very short cable (up to 300m) even further and use bands above 30MHz. A prerequisite for further evaluation and the design of such ultra-wideband copper

(UWBC) systems is the extension of existing cable models to higher frequencies. This paper presents wide-band measurement results of insertion loss and crosstalk coupling in a 10-pair cable of various length values for frequencies up to 400MHz. We compare the results to

extrapolations of cable models that are established in the 30MHzrange.

Publishing year

2006

Language

English

Publication/Series

Proc. SPIE OpticsEast Broadband Access Communication Technologies

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

SPIE OpticsEast

Conference date

2006-10-01 - 2006-10-04

Conference place

Boston, MA, United States

Status

Published