Pulse or digital communications – Receivers – Interference or noise reduction
Reexamination Certificate
2004-11-19
2011-12-27
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Receivers
Interference or noise reduction
C375S316000, C375S285000, C327S310000, C348S607000, C455S296000, C455S295000, C455S298000, C455S501000
Reexamination Certificate
active
08085886
ABSTRACT:
A method is provided for processing a signal containing regular or quasi-regular elements of unwanted signal. The method establishes timing characteristics of the unwanted signal elements in a portion of the signal. A time domain window function is generated using the established timing characteristics. The generated window function is applied to the signal portion to selectively reduce the amplitude of the unwanted signal elements relative to the amplitude of other elements of the signal.
REFERENCES:
patent: 3754101 (1973-08-01), Daspit et al.
patent: 3876945 (1975-04-01), Gossel
patent: 4706174 (1987-11-01), Schutten et al.
patent: 5109417 (1992-04-01), Fielder et al.
patent: 5287387 (1994-02-01), Birchler
patent: 5442593 (1995-08-01), Woodbury et al.
patent: 5974087 (1999-10-01), Nowara
patent: 6556623 (2003-04-01), Tzannes et al.
patent: 6577686 (2003-06-01), Koga et al.
patent: 6628735 (2003-09-01), Belotserkovsky et al.
patent: 6909277 (2005-06-01), Wild
patent: 6931292 (2005-08-01), Brumitt et al.
patent: 7027424 (2006-04-01), Horvat et al.
patent: 2002/0176480 (2002-11-01), Wheatley, III et al.
patent: 2003/0020653 (2003-01-01), Baugh et al.
patent: 2004/0022175 (2004-02-01), Bolinth et al.
patent: 2004/0085891 (2004-05-01), Henriksson
patent: 2004/0161027 (2004-08-01), Ferguson
patent: 2005/0073947 (2005-04-01), Dey et al.
patent: 0 893 703 (1999-01-01), None
patent: 1 069 693 (2001-01-01), None
Padmanabhan, K., Ananthi, S., Vijayarajeswaran, R. “A Practical Approach to Digital Signal Processing.” 2001. New Age International (P) Ltd. 156-162.
Andreas Saul, “Analysis of Peak Reduction in OFDM Systems Based on Recursive Clipping”, Proc. Of Int. OFDM-Workshop, Sep. 24-25, 2003, pp. 308-312, vol. 1, Hamburg Germany.
BAE Systems plc
Liu Shuwang
McKie Gina
Scully , Scott, Murphy & Presser, P.C.
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