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Pseudo-polar modulation for radio transmitters

  • US 20050046507A1
  • Filed: 08/11/2003
  • Published: 03/03/2005
  • Est. Priority Date: 08/11/2003
  • Status: Active Grant
First Claim
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1. A method of modulating a radio transmitter, the method comprising:

  • generating an amplitude modulation signal based on in-phase (I) and quadrature (Q) components of an information signal, wherein the amplitude modulation signal has a reduced predetermined characteristic compared to the magnitude of the I and Q components of the information signal; and

    forming a complex signal having substantially the same phase angle variation as the I and Q components of the information signal so that the product of the complex signal and the amplitude modulation signal is substantially equal to the information signal.

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