Coarse frequency burst detector for a wireline communications sy

Pulse or digital communications – Receivers – Automatic baseline or threshold adjustment

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Details

375326, 375340, 375350, 375364, H04L 2506, H04L 2510

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active

057486808

ABSTRACT:
Briefly, in accordance with one embodiment of the invention, a coarse frequency burst detector for use at the receiving end of a wireline communications system comprises: a digital signal filter adapted to filter a component of decoded signal samples, the decoded signal samples being derived from a baseband signal transmitted via the wireline communications system; and a threshold detector adapted to threshold the signal level of the filtered component of the decoded signal samples with respect to a substantially predetermined level. In accordance with another embodiment, a method of detecting at the receiving end of a wireline communications system a frequency burst in a baseband signal transmitted via the wireline communications system comprises the steps of: filtering a component of a decoded signal derived from the baseband signal transmitted via the wireline communications system; and thresholding the filtered component.

REFERENCES:
patent: 3778550 (1973-12-01), David et al.
patent: 4712222 (1987-12-01), Heard et al.
patent: 4794341 (1988-12-01), Barton et al.
patent: 4835792 (1989-05-01), Davarian
patent: 4939516 (1990-07-01), Early
patent: 5007068 (1991-04-01), Simon et al.
patent: 5093846 (1992-03-01), Walton, Jr. et al.
patent: 5127025 (1992-06-01), Okanoue
patent: 5170415 (1992-12-01), Yoshida et al.
patent: 5230011 (1993-07-01), Gielis et al.
patent: 5241688 (1993-08-01), Arora
patent: 5377224 (1994-12-01), Hudson
patent: 5379223 (1995-01-01), Asplund
patent: 5400363 (1995-03-01), Waugh et al.
patent: 5416800 (1995-05-01), Frank
patent: 5432818 (1995-07-01), Lou
patent: 5507037 (1996-04-01), Bartkowiak et al.
patent: 5524120 (1996-06-01), Pride, III et al.
patent: 5550868 (1996-08-01), Boccuzzi
patent: 5574399 (1996-11-01), Oura et al.
patent: 5621766 (1997-04-01), Bakke et al.
Spring Joint Computer Conference, 1971, "A Unified Algorithm for Elementary Functions," J.S. Walther, Hewlett-Packard Co., Palo Alto, CA pp. 379-385.
IRE Transactions Electronic Computers, "The Cordic Trigonometric Computing Technique," J. E. Volder, Sep. 1959, pp. 330-334.
IEEE Signal Processing Magazine, "CORDIC-Based VLSI Architectures for Digital Signal Processing,", Yu Hen Hu, Jul. 1992, pp. 16-35.
Phoenix Conference on Computers and Communications, 1991 Conference Proceedings, Mar. 27-30, 1991, Scottsdale, AZ, "Signal Processing Aspects of Motorola's Pan-European Digital Cellular Validation Mobile," David E. Borth and Philip D. Rasky, pp. 416-423.

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