Apparatus and method for sub-chip offset correlation in...

Details Apparatus and method for sub-chip offset correlation in... Apparatus and method for sub-chip offset correlation in...

2005-05-17

2005-05-17

Burd, Kevin (Department: 2631)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S147000, C375S343000

Reexamination Certificate

active

06895036

ABSTRACT:
An embodiment of the present invention described in the specification and the drawings is an apparatus and method for code correlation in spread spectrum communication systems. The apparatus receives a data sequence, and offsets the data sequence with a fixed sub-chip delay. The data sequence and the offset data sequence are each despread with a locally generated code sequence. The despread results are summed and accumulated. The accumulated results may then be used to achieve a lower “miss” probability during code correlation.

REFERENCES:
patent: 5654980 (1997-08-01), Latva-aho et al.
patent: 5796776 (1998-08-01), Lomp et al.
patent: 6330272 (2001-12-01), Lomp
patent: 6359875 (2002-03-01), Hamada et al.

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