Calibrating a communication link using frequency ramps

Details Calibrating a communication link using frequency ramps Calibrating a communication link using frequency ramps

2005-09-21

2009-02-17

Vuong, Quochien B (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

C455S069000, C455S423000

Reexamination Certificate

active

07493089

ABSTRACT:
A method for calibrating a communication link that uses frequency ramps to locate the frequency response of a receiver. A method for calibrating according to the present teachings includes generating a transmit signal that includes a series of frequency ramps and determining a timing of gain peaks in a receiver in response to the frequency ramps in the transmit signal. The timing of gain peaks in the receiver indicates the frequency response of the receiver and is used to determine an adjustment to the transmit signal so that the transmit signal adapts to the frequency response of the receiver.

REFERENCES:
patent: 5397988 (1995-03-01), Schmalbein et al.
patent: 6820234 (2004-11-01), Deas et al.
patent: 7278069 (2007-10-01), Abrosimov et al.
patent: 1 492 862 (1975-09-01), None
GB Search Report for Patent Application in Great Britain Application No. 0618640.7 dated Jan. 15, 2007.

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