Method of measuring receiver sensitivity, and transceiver

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

2007-04-24

2007-04-24

Nguyen, Lee (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

C455S073000, C455S126000, C455S425000

Reexamination Certificate

active

11052100

ABSTRACT:
A method of measuring sensitivity of the receiving end in a transceiver that includes a transmission path between the transmitting end and the receiving end and a switching mechanism for connecting a signal along the transmission path from the transmitting end of the transceiver to the receiving end. The transceiver also includes an attenuator for changing the level of the signal to be connected from the transmitting end to the receiving end and a mechanism for transmitting a test signal for determining properties of the transmission path, a mixer for transmitting the signal changed by the attenuator to the frequency band of the receiving end, a switching mechanism for connecting the signal transferred by the mixer through the receiving end, and a controller for comparing 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: 6990325 (2006-01-01), Huhtala
patent: WO 94/29976 (1994-12-01), None

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