Signal timing synchronizer

Details Signal timing synchronizer Signal timing synchronizer

1992-01-22

1995-03-28

Bocure, Tesfaldet

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

375346, 375368, H04L 2706, H04L 700

Patent

active

054024501

ABSTRACT:
A method and apparatus are disclosed for characterizing multipath-induced distortions in the autocorrelation function of a correlation receiver in order to reduce effects of these multipath-induced distortions on the accuracy of detecting the time of arrival of a received signal. The magnitude of the multipath-induced errors adversely affecting the shape of the autocorrelation function is estimated in real time, for example, through the use of secondary scanning correlators whose time base is independent of a typical receiver's detection-oriented correlators. This error is subtracted from the detection-oriented correlator's timing, thereby yielding a more accurate autocorrelation function.

REFERENCES:
patent: 4545061 (1985-10-01), Hileman
patent: 4829543 (1989-05-01), Borth et al.
patent: 5148452 (1992-09-01), Kennedy et al.
patent: 5157695 (1992-10-01), Westerfield et al.

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