Acquisition method and apparatus for carrying out the method

Details Acquisition method and apparatus for carrying out the method Acquisition method and apparatus for carrying out the method

2006-11-07

2008-09-09

Ahn, Sam K (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

Reexamination Certificate

active

07424049

ABSTRACT:
An acquisition method for identifying a transmitter, and a correlator for carrying out the method includes correlating a received binary-coded spread sequence having m bits at a frequency f with a locally generated spread sequence by phase-shifting a multiplicity of locally generated spread sequences with respect to the received spread sequence, where f is the frequency of the incoming spread sequence. The received spread sequence is correlated with a locally generated spread sequence at the frequency f. The received spread sequence is stored and the stored, received spread sequence is processed at an oversampling rate i*f. The received, stored spread sequence is split into i sections and the correlation is carried out in i steps.

REFERENCES:
patent: 5237587 (1993-08-01), Schoolcraft
patent: 5359627 (1994-10-01), Resnikoff
patent: 5590160 (1996-12-01), Ostman
“Partial File History of Related U.S. App. No. 09/767,379 .pdf”, (Downloaded from Private Pair Oct. 22, 2007), 124 pgs.

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