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System and method for acquiring a received signal in a spread spectrum device

  • US 20030193992A1
  • Filed: 04/30/2003
  • Published: 10/16/2003
  • Est. Priority Date: 04/09/2001
  • Status: Active Grant
First Claim
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1. A searcher to search for a received signal in a spread-spectrum system, the searcher comprising:

  • a reconfigurable signal routing circuit to route the received signal;

    a plurality of rotators to adjust the phase of the received signal and thereby generate a phase-adjusted signal;

    a plurality of searcher data buffers to store the phase-adjusted signal;

    a generator to generate a pseudo-noise (PN) signal;

    a PN buffer to store the generated PN signal;

    a pairing logic circuit to pair the stored phase-adjusted signal with the stored generated PN signal; and

    a search controller to generate control signals to control operation of the signal routing circuit, the rotators and the pairing logic circuit.

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