Dual purpose spread spectrum radio receivers with controlled...

Details Dual purpose spread spectrum radio receivers with controlled... Dual purpose spread spectrum radio receivers with controlled...

2005-07-19

2005-07-19

Tran, Khai (Department: 2637)

Pulse or digital communications

Spread spectrum

Frequency hopping

Reexamination Certificate

active

06920172

ABSTRACT:
A receiver for a direct sequence spread spectrum signal subject to interference from a locally transmitted or received frequency-hopped spread spectrum signal includes a programmable notch filter which is controlled in accordance with the code sequence of a frequency-hopped signal to reject frequencies corresponding to those producing interference

REFERENCES:
patent: 6243370 (2001-06-01), Schilling
patent: 2002/0006171 (2002-01-01), Nielsen
patent: 0633677 (1995-01-01), None
patent: 2279851 (1995-01-01), None
patent: 2326783 (1998-12-01), None

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