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Linear interference suppression detection

  • US 20030161385A1
  • Filed: 01/17/2001
  • Published: 08/28/2003
  • Est. Priority Date: 01/17/2001
  • Status: Abandoned Application
First Claim
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1. A method of mitigating interference effects under a communication environment including a first spread spectrum (SS) transmission scheme and a second spread spectrum (SS) transmission scheme in the same frequency band, comprising the steps of:

  • (1.1) responsive to received signal, outputting number of signals of the first SS transmission scheme, and outputting number of signals of the second SS transmission scheme;

    (1.2) obtaining a timing information of signals of the first SS transmission scheme and the second SS transmission scheme, wherein (1.2a) obtaining the timing information of signals of the first SS transmission scheme in the received signal when one signal of the first SS transmission scheme is detected before a predetermined time t1; and

    (1.2b) obtaining the timing information of signals of the second SS transmission scheme in the received signal using the timing information of signals of the first SS transmission scheme. (1.3) generating a plurality of linearly-modulated signals;

    (1.4) correlating the received signal based on the plurality of linearly-modulated signals to generate correlated outputs; and

    (1.5) selectively producing an estimated information sequence carried by the signals of the first SS transmission scheme and the signals of the second SS transmission scheme based on the correlated outputs.

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