Method of measuring receiver sensitivity, and transceiver

Details Method of measuring receiver sensitivity, and transceiver Method of measuring receiver sensitivity, and transceiver

2006-01-24

2006-01-24

Nguyen, Lee (Department: 2682)

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

C455S073000, C455S126000, C455S425000

Reexamination Certificate

active

06990325

ABSTRACT:
The invention relates to a method of measuring sensitivity of the receiving end in a transceiver, which comprises a transmitting and a receiving end. The transceiver includes a trasmission path between the transmitting end and the receiving end. The transceiver also connects a signal along the transmission path from the transmitting end of the transceiver to the receiving end of the same transceiver. In addition, the transceiver changes the level of the signal to be connected from the transmitting end to the receiving end. The transceiver transmits a test signal for determining properties of the transmission path. The transceiver transmits the signal changed by the attenuation means to the frequency band of the receiving end. The transceiver connects the transferred signal through the receiving end. Furthermore, the transceiver compares the signal transmitted from the transmitting end with the signal that has passed through the receiving end to determine sensitivity of the receiving end.

REFERENCES:
patent: 5442811 (1995-08-01), Kobayashi et al.
patent: 5521904 (1996-05-01), Eriksson et al.
patent: 5761614 (1998-06-01), Leitch et al.
patent: 5790944 (1998-08-01), Karki et al.
patent: WO 94/29976 (1994-12-01), None

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