Interference compensating circuit including a matched filter fol

Details Interference compensating circuit including a matched filter fol Interference compensating circuit including a matched filter fol

1993-07-15

1995-06-20

Chin, Stephen

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

375 1, 375 10, 375103, 36472411, 455307, 325207, 325227, 325350, H04L 2706

Patent

active

054266700

ABSTRACT:
A circuit arrangement is disclosed for reducing the adverse effects of interference in a signal of interest. The circuit arrangement includes a matched filter for receiving the signal of interest and a median filter coupled to the output of the matched filter. The median filtered output signal of the matched filter is utilized to remove interference, to calculate the threshold level, or to estimate the interference level at the output of the matched filter.

REFERENCES:
patent: 4682230 (1987-07-01), Perlman et al.
patent: 4882737 (1989-11-01), Dzung
patent: 4906928 (1990-03-01), Gard
patent: 4910467 (1990-03-01), Leitch
patent: 4928258 (1990-05-01), May
patent: 5142551 (1992-08-01), Borth et al.
patent: 5235424 (1993-08-01), Wagner et al.
patent: 5271042 (1993-12-01), Borth et al.
patent: 5285480 (1994-02-01), Chennakoshu et al.
Patent Abstracts of Japan, vol. 11, No. 245 (E-531) 11 Aug. 1987 & JP-A-62 059 420 (Toshiba Corp.) 16 Mar. 1987.
IEEE Transactions on Communication Technology "Performance of Digital Matched Filter Correlator With Unknown Interference" by C. R. Cahn, vol. COM-19, No. 6, Dec. 1971, New York, pp. 1163-1172.

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