Pulse or digital communications – Repeaters – Testing
Patent
1992-05-21
1993-11-16
Kuntz, Curtis
Pulse or digital communications
Repeaters
Testing
375 95, 375117, 307354, H04L 2538, H04L 2706
Patent
active
052630544
ABSTRACT:
An apparatus for efficient computation of a demodulation process on a digital signal processor for a sampled signal, which includes programming a digital signal processor to apply the sampled signal to an interpolating filter to add interpolation samples to the sampled signal, to search the sampled signal for a threshold crossing associated with a start bit, performing a linear interpolation to find a point where the threshold crossing occurs when a threshold crossing is detected, responsive to determining the point of the threshold crossing, determining a center of a start bit when the point of the threshold crossing has been determined, calculating a supplemental delay, and determining center points for subsequent of data bits utilizing the supplemental delay period from the center of the start bit.
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patent: 5040192 (1991-08-01), Tjahjadi
Davis Gordon T.
Mandalia Baiju D.
Sinibaldi John C.
Zevin William M.
Bocure Tesfaldet
Dillon Andrew J.
International Business Machines - Corporation
Kuntz Curtis
Yee Duke W.
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