Modeling of Middle-range Metallic Lines for Ethernet with VDMT

The optic fibers are gradually replacing the metallic lines and data bit rates are increased from tens Mb/s to hundreds Mb/s and Gb/s in LANs and in the first miles of digital subscriber lines. However information capacity of metallic lines can be increased, if the systems will use VDSL2 physical la...

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Bibliographic Details
Main Authors: Vodrazka, J., Jares, P., Prokop, T.
Format: Conference Proceeding
Language:English
Subjects:
Attenuation
Bit rate
Cables
Crosstalk cancellation
Digital subscriber line
DSL
EFM
Ethernet networks
Line bounding
OFDM modulation
Optical attenuators
Optical crosstalk
Physical layer
Switches
VDMT
VDSL2
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Summary:The optic fibers are gradually replacing the metallic lines and data bit rates are increased from tens Mb/s to hundreds Mb/s and Gb/s in LANs and in the first miles of digital subscriber lines. However information capacity of metallic lines can be increased, if the systems will use VDSL2 physical layer with vectored DMT modulation and line bounding concept. The methods for partial crosstalk cancellation are discussed and simulation results are presented for middle-range used especially for connection of Ethernet network nodes.
DOI:10.1109/IWSSIP.2007.4381204