Data transmission system
Liou, Ming L.
Cheng, Roger Shu Kwan
|Source||US Patent , 6,571,393. Washington, DC: US Patent and Trademark Office, 2003.|
|Summary||A data transmission system is proposed, for example for video-on-demand, internet or multimedia applications, in which a number of subscribers in a building are connected to a central server through at least in part twisted pair cables within the building. Compensation for the channel distortion caused by the use of twisted pair cables is provided by the use of pre-emphasis filters in the outgoing data lines from the server. The required coefficients for the pre-emphasis filters are established by first characterizing the distortion properties of a channel by the use of a test signal.|
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