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Title: Data transmission system
Authors: Ko, Tsz-mei
Liou, Ming L.
Cheung, Kwan-Fai
Cheng, Roger
Hu, Bo
Qu, Donghui
Keywords: Data transmission system
Twisted pair cables
Pre-emphasis filters
Issue Date: 27-May-2003
Citation: US Patent 6,571,393. Washington, DC: US Patent and Trademark Office, 2003.
Abstract: 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.
Rights: This patent is also available at HKUST Technology Transfer Center Patent Search at <>
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