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ADAPTIVE MULTI-CHANNEL TRANSMITTER LINEARIZATION SYSTEM USING A SHARED FEEDBACK RECEIVER

  • US 20120281777A1
  • Filed: 05/03/2011
  • Published: 11/08/2012
  • Est. Priority Date: 05/03/2011
  • Status: Active Grant
First Claim
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1. A method for adaptively providing pre-distortion in a multi-channel transmitter, wherein each channel is associated with a different transmit chain of elements, said method comprising:

  • providing an adaptation time for each of said transmit chains, during which adaptation time an output of a respective transmit chain is coupled to a shared feedback receiver which generates a feedback signal that is used to vary pre-distortion for said respective transmit chain; and

    varying at least one of;

    (a) an amount of said adaptation time for a transmit chain and (b) an order in which each of said transmit chains receives said adaptation time.

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