DS/CDMA receiver using moving-averaged pilot signals for weighti

Details DS/CDMA receiver using moving-averaged pilot signals for weighti DS/CDMA receiver using moving-averaged pilot signals for weighti

1994-12-29

1996-08-20

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

H04B 1707

Patent

active

055486134

ABSTRACT:
In a direct sequence spread spectrum receiver, spread orthogonal data signals and spread orthogonal pilot signals are correlated with orthogonal despreading sequences at a chip rate. These despread signals are integrated at a symbol rate to produce orthogonal data symbols and orthogonal pilot symbols. A predetermined number of pilot symbols of each phase component are moving-averaged. Each phase component of the orthogonal data symbols is weighted with the moving average value of the corresponding phase component of the pilot symbols, and summed with the other weighted component of the data symbols to produce an output signal of the spread spectrum receiver.

REFERENCES:
patent: 4400790 (1983-08-01), Chambers et al.
patent: 5093841 (1992-03-01), Vancraeynest
patent: 5105437 (1992-04-01), Kingston et al.
patent: 5383220 (1995-01-01), Murai
patent: 5414728 (1995-05-01), Zehavi

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