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标题: ALU DSL Phantom Mode [查看完整版帖子] [打印本页]

时间: 2010-8-9 13:32

作者: swings.deng 标题: ALU DSL Phantom Mode

Alcatel-Lucent Bell Labs achieves 300 Mbps over distances up to 400 meters, or 100 Mbps at 1km using "DSL Phantom Mode"
http://www.alcatel-lucent.com/wps/portal/!ut/p/kcxml/04_Sj9SPykssy0xPLMnMz0vM0Y_QjzKLd4x3tXDUL8h2VAQAURh_Yw!!?LMSG_CABINET=Docs_and_Resource_Ctr&LMSG_CONTENT_FILE=News_Releases_2010/News_Article_002043.xml

时间: 2010-8-9 14:45

作者: 一纸空文

this is just vectoring applied on 3 lines, 2 std lines + 1 'phantom' line (use the central tap of the transformer of both line to create a 3rd one -> no twisting on that one -> very sensitive to crosstalk, and use Vectoring DSL to improve data rate.

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