System and method for upstream power backoff for xDSL

Details System and method for upstream power backoff for xDSL System and method for upstream power backoff for xDSL

2002-10-02

2010-02-16

Briney, III, Walter F (Department: 2614)

Telephonic communications

Transmission line conditioning

Interference suppression

C379S027010

Reexamination Certificate

active

07664254

ABSTRACT:
A method and apparatus for modeling a network comprising a plurality of transmission lines is described, the method and system being adapted to measure loop parameters of first transmission line to provide measured loop parameters, determine a topology of the first transmission line by analyzing the measured loop parameters with reference to at least a one model of a plurality of models for transmission lines of different topologies, select a further model for estimating crosstalk related parameters based on the determined topology, and estimate at least one crosstalk related parameter based on the determined topolgy and the selected further model.

REFERENCES:
patent: 6205220 (2001-03-01), Jacobsen et al.
patent: 6263047 (2001-07-01), Randle et al.
patent: 6292539 (2001-09-01), Eichen et al.
patent: 6724859 (2004-04-01), Galli
patent: 0985933 (2000-03-01), None
W. Y. Chen, DSL Simulation Techniques and Standards, 1998, MacMillan, Indianapolis XP002191198.

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