System for detecting the presence of a signal of a particular da

Details System for detecting the presence of a signal of a particular da System for detecting the presence of a signal of a particular da

1986-12-29

1989-12-12

Griffin, Robert L.

Pulse or digital communications

Spread spectrum

Direct sequence

375 10, 455226, H04L 2300

Patent

active

048872806

ABSTRACT:
A multiple data rate detector which examines the power spectral density of the received signal and thereby determines whether the signal is wihtin one of N known data rate ranges. The invention includes a first filter, with a first passband and a second filter having a second distinct passband. First and second power detectors are provided for detecting the power associated with the output of the first and second filters. The outputs of the power detectors are compared to yield a signal indicative of the data rate.

REFERENCES:
patent: 4479253 (1984-10-01), Daniel, Jr.
patent: 4501020 (1985-02-01), Wakeman
patent: 4584710 (1986-04-01), Hansen
patent: 4597107 (1986-06-01), Ready et al.

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