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Rapid acquisition spreading codes for spread-spectrum communications

  • US 20050243897A1
  • Filed: 07/11/2005
  • Published: 11/03/2005
  • Est. Priority Date: 06/30/1995
  • Status: Abandoned Application
First Claim
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1. A method for transmitting data from a base station to a subscriber unit in a code division multiple access communication system, the method comprising:

  • producing a code, the code produced by binary addition of a first sequence produced by a first feedback shift register with a second sequence produced by a second feedback shift register;

    combining the code with encoded message data, producing spread data; and

    transmitting the spread data as a quadrature modulated signal.

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