Spread-spectrum communication device

Details Spread-spectrum communication device Spread-spectrum communication device

1997-10-02

2000-03-07

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375350, 455307, H04B 169

Patent

active

060349891

ABSTRACT:
A spread-spectrum communication device which substantially eliminates a narrow-band interfering signal contained in a spread signal over a wide range of frequency and which presents a good S/N ratio in a despread signal. A magnetostatic filter is used to limit the narrow-band interfering signal along with part of the spread signal. The limited spread signal and narrow-band interfering signal are despread by a matched filter. A plurality of correlation peaks, which are derived from the same symbol in the spread signal and are contained in the despread signal, are synthesized in a rake synthesizer or a post-detection integrator receiver.

REFERENCES:
patent: 5268927 (1993-12-01), Dimos et al.
patent: 5377226 (1994-12-01), Davis
patent: 5422912 (1995-06-01), Asser et al.
patent: 5523725 (1996-06-01), Ishikawa et al.
patent: 5596600 (1997-01-01), Dimos et al.
Jones W. W. et al.: "Narrowband Interference Suppression Using Filter-Bank Analysis/Synthesis Techniques" Communications-Fusing Command, Control and Intelligence, San Diego, Oct. 11-14, 1992, vol. 3, No. Conf. 11, Oct. 1992, pp. 898-902.
European Search Report dated Aug. 26, 1999.

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