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ADAPTIVE POWER EFFICIENT RADIO ENVIRONMENT MEASUREMENTS

  • US 20070225051A1
  • Filed: 03/21/2006
  • Published: 09/27/2007
  • Est. Priority Date: 03/21/2006
  • Status: Active Grant
First Claim
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1. A method of operating user equipment (UE) in a cellular telecommunications system, the method comprising:

  • causing the UE to begin operating in a power saving state by determining that a first set of predefined criteria have been satisfied; and

    causing the UE to leave the power saving state by determining that a second set of predefined criteria have been satisfied, wherein determining that the second set of predefined criteria have been satisfied includes;

    making a plurality of signal quality measurements of a signal received from a serving cell during power saving state;

    determining which of the plurality of signal quality measurements represents a best one of the signal quality measurements;

    determining a threshold value as a function of the best one of the signal quality measurements; and

    determining that the second set of predefined criteria have been satisfied if a current signal quality measurement satisfies a predefined relationship with respect to the threshold value.

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