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Method for calibrating automatic gain control in wireless devices

  • US 7,957,713 B2
  • Filed: 12/21/2007
  • Issued: 06/07/2011
  • Est. Priority Date: 12/20/2002
  • Status: Active Grant
First Claim
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1. A MIMO-based system comprising an Automatic Gain Control (AGC), wherein the AGC is calibrated by way of an iterative process, the iterative process comprising:

  • transmitting a calibration signal;

    receiving the calibration signal;

    decoding the calibration signal to produce measurements;

    storing the measurements;

    changing an AGC gain setting; and

    increasing transmission power by L decibels after an AGC gain setting is decreased by L decibels, wherein L is specified by an end-user.

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