Joint adaptive echo canceller and equalizer for two- wire...

Details Joint adaptive echo canceller and equalizer for two- wire... Joint adaptive echo canceller and equalizer for two- wire...

H - Electricity

04

M

354/233, 379/64,

H04M 7/10 (2006.01) H04B 3/23 (2006.01) H04L 5/14 (2006.01)

Patent

CA 1109133

Abstract of the Disclosure An adaptive equalizer and echo canceller jointly respond to a common error difference between the analog output and the quantized digital output of a data receiver in a two-wire digital data transmission system to achieve simultaneous full-bandwidth full-duplex operation. Two- wire transmission channels are typically terminated in hybrid balancing networks which because of their fixed impedances permit "echoes" of the transmitted signal to interfere with reception of the much weaker incoming signal. Both the equalizer and canceller are adaptively adjustable transversal structures.

285560

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