Method and apparatus for automatically and adaptively adjusting

Details Method and apparatus for automatically and adaptively adjusting Method and apparatus for automatically and adaptively adjusting

1999-01-29

2000-11-28

Woo, Stella

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379 1, 379 12, 379 24, 379 28, H04M 124

Patent

active

061545244

ABSTRACT:
In a communications environment where it is desirable to allow the simultaneous transmission of digital subscriber line (DSL) signals and conventional plain old telephone service (POTS) signals on a single two-wire communication line, a method and apparatus is configured to automatically measure the distortion caused by a telephone or other attached device such as a dial modem due to the presence of a DSL signal on the same communication line, and to use such measurement to automatically and adaptively adjust the DSL output signal to achieve the highest DSL data rate commensurate with an acceptable level of distortion as required by the POTS devices.

REFERENCES:
patent: 5475315 (1995-12-01), Cabot
patent: 6009132 (1999-12-01), Scholtz
patent: 6014425 (2000-01-01), Bingel et al.

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