Maximal ratio diversity combining technique

Details Maximal ratio diversity combining technique Maximal ratio diversity combining technique

1991-03-04

1992-08-18

Safourek, Benedict V.

Pulse or digital communications

Spread spectrum

Direct sequence

375102, 455137, H04B 118

Patent

active

051406152

ABSTRACT:
A method for implementing diversity reception to counteract effects of channel fading on a transmitted information signal. In diversity receive paths, estimates of complex channel gain are computed based upon pilot symbols inserted from time to time in the transmitted information symbol stream. Phase corrected and weighted samples from the diversity paths are summed prior to the decision process. The squared magnitudes of the diversity path channel gains are summed to provide the proper threshold adjustment.

REFERENCES:
patent: 3633107 (1972-01-01), Brady
patent: 4577332 (1986-03-01), Brenig
patent: 4675880 (1987-06-01), Davarian
patent: 4733402 (1988-03-01), Monsen
patent: 4953183 (1990-08-01), Bergmans et al.

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