If-delay narrow correlation tracking

Details If-delay narrow correlation tracking If-delay narrow correlation tracking

1997-10-16

2000-07-11

Pham, Chi H.

Pulse or digital communications

Repeaters

Testing

375343, H04B 1500, H03D 100

Patent

active

060883847

ABSTRACT:
A narrow correlation system is provided for narrow correlation tracking by fixed or dynamic delay of a received encoded signal and correlating the encoded signal and the delayed encoded signal with identical PRN code sequences with coincident epochs to produce early and late correlations separated by substantially less than one code chip, and with multiple correlation points obtained by implementing multiple delays of the encoded signal and separately correlating each different one of the delayed encoded signals with the same PRN code to produce a weighted tracking error signal.

REFERENCES:
patent: 3806808 (1974-04-01), Willmore
patent: 4053888 (1977-10-01), Robin et al.
patent: 5220580 (1993-06-01), Heberle et al.
patent: 5390207 (1995-02-01), Fenton et al.
patent: 5600670 (1997-02-01), Turney
patent: 5809064 (1998-09-01), Fenton et al.

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