Method and system for data rate optimization in a digital...

Details Method and system for data rate optimization in a digital... Method and system for data rate optimization in a digital...

2007-03-06

2007-03-06

Tran, Khai (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C370S286000

Reexamination Certificate

active

10465011

ABSTRACT:
A method and for optimizing bit rate throughput in a digital communication system is provided. The method includes establishing a relationship between signal to noise ratio and plural symbol rates for a particular constellation size. The method also includes determining noise power spectral density (N(f)), wherein N(f) is determined during a silent period of line probing; determining Xk(f), wherein Xk(f) is determined by turning on a remote station transmit signal, after N(f) has been measured and determining residual echo Ek(f), wherein Ek(f) is determined by turning on a central station echo canceller.

REFERENCES:
patent: 6564184 (2003-05-01), Eriksson
patent: 6934345 (2005-08-01), Chu et al.
patent: 2003/0099208 (2003-05-01), Graziano et al.

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