Tuning a station

Details Tuning a station Tuning a station

2008-07-22

2008-07-22

Phu, Sanh D. (Department: 2618)

Telecommunications

Transmitter and receiver at same station

With tuning

C455S161100, C455S161200, C455S166100, C455S182300, C455S185100, C455S126000, C455S115100, C375S130000, C375S141000

Reexamination Certificate

active

07403747

ABSTRACT:
A method of tuning a station is disclosed, wherein a first pilot signal is applied on a circuit of the station and the resulting output power of the signal circuit is subsequently detected. A second pilot signal is then applied to the circuit and the resulting output power of the circuit is detected. The offset of the circuit is then tuned based on information of the resulting output power detected for the first and second signals. A station that is adapted to implement the method may be tuned by the manufacturer thereof or later after having already been taken into use. The tuning may occur automatically as response to a predefined event.

REFERENCES:
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Lohtia A. et al., “An adaptive digital technique for Compensating for Analog Quadrature Modulator/Demodulator Impairments”, Communications, Computers and Signal Processing, May 19, 1993, IEEE vol. 2, pp. 447-450, Pacific Rim Conference.

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