Method for determining the spreading sequence of a spread...

Details Method for determining the spreading sequence of a spread... Method for determining the spreading sequence of a spread...

2007-06-26

2007-06-26

Tran, Khanh (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S343000

Reexamination Certificate

active

10440676

ABSTRACT:
A system for despreading a spread spectrum signal includes at least one receiver for capturing a plurality of snapshots of the signal and a processing device for constructing a confidence vector from at least two of the plurality of snapshots. The processing device is operable to generate a first estimated spreading sequence of the signal, and to correlate the first estimated spreading sequence and the confidence vector to generate a second spreading sequence for despreading the signal.

REFERENCES:
patent: 6108324 (2000-08-01), Brown et al.
patent: 6363108 (2002-03-01), Agrawal et al.
patent: 6445728 (2002-09-01), Byun
patent: 6519298 (2003-02-01), Kim
patent: 6668012 (2003-12-01), Hershey et al.
patent: 6738438 (2004-05-01), Rick et al.

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