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Modifying a signal by adjusting the phase and amplitude of the signal

  • US 20060267983A1
  • Filed: 05/24/2005
  • Published: 11/30/2006
  • Est. Priority Date: 05/24/2005
  • Status: Abandoned Application
First Claim
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1. A method for modifying a signal, comprising:

  • facilitating transmission of a signal from a modifying communication device to a feedback communication device; and

    repeating the following for a plurality of iterations;

    receiving a plurality of power indicators, a power indicator reflecting the power of the signal as received by the feedback communication device, the plurality of power indicators comprising;

    one or more previous power indicators reflecting the power of the signal adjusted according to a previous modification; and

    one or more current power indicators reflecting the power of the signal adjusted according to a current modification;

    estimating a previous power descriptor value from the one or more previous power indicators;

    estimating a current power descriptor value from the one or more current power indicators;

    determining a modification increment in accordance with the previous power descriptor value and the current power descriptor value;

    calculating a next modification from the current modification and the modification increment; and

    adjusting a phase and an amplitude of the signal in accordance with the next modification.

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