Time delay estimator

Pulse or digital communications – Receivers – Particular pulse demodulator or detector

Reexamination Certificate

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Details

C375S341000, C375S342000

Reexamination Certificate

active

10444266

ABSTRACT:
A system for time delay estimation in a discrete time processing system includes a cross correlator that performs cross correlation on a first signal and a second signal, and provides a cross correlated output signals indicative thereof. A lag smoother receives the cross correlated output signals, and provides lag smoothed output signals indicative thereof. A select logic module selects a pre-defined number of signal values from a respective set indicative of the lag smoothed output signals to compute the time delay estimation associated with the first and second signals.

REFERENCES:
patent: 4007330 (1977-02-01), Winters
patent: 4173759 (1979-11-01), Bakhru
patent: 4191853 (1980-03-01), Piesinger
patent: 4862450 (1989-08-01), Guidoux
patent: 5764690 (1998-06-01), Blanchard et al.
patent: 5787118 (1998-07-01), Ueda
patent: 5805584 (1998-09-01), Kingston et al.
patent: 6067295 (2000-05-01), Bahai et al.

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