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Symmeric sweep phase sweep transmit Diversity

  • US 20030022635A1
  • Filed: 07/30/2001
  • Published: 01/30/2003
  • Est. Priority Date: 07/30/2001
  • Status: Active Grant
First Claim
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1. A method of signal transmission comprising the steps of:

  • splitting a signal s1 into signals s1(a) and s1(b), wherein signal s1 comprises a first STS/OTD signal belonging to an STS/OTD pair;

    splitting a signal s2 into signals s2(a) and s2(b), wherein signal s2 comprises a second STS/OTD signal belonging to the STS/OTD pair;

    phase sweeping the signal s1(b) using a first phase sweep frequency signal to produce a phase swept signal s1(b);

    phase sweeping the signal s2(b) using a second phase sweep frequency signal to produce a phase swept signal s2(b), the first and second phase sweep frequency signals being configured to cancel out any self induced interference caused by phase sweeping the signals s1(b) and s2(b);

    adding the phase swept signal s2(b) to the signal s1(a) to produce a summed signal s3; and

    adding the phase swept signal s1(b) to the signal s2(a) to produce a summed signal S4.

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