Thermal noise power floor estimation
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United States of America Patent
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Nov 8, 2016
Grant Date -
May 21, 2015
app pub date -
May 17, 2013
filing date -
May 23, 2012
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Abstract
Embodiments herein relate to a method in a radio base station (12) for handling a thermal noise power floor in a thermal noise power floor estimation process. The radio base station (12) determines a change or a rate of change of a thermal noise power floor estimate relative a previous thermal noise power floor estimate. When the change or rate of change exceeds a threshold value, the radio base station (12) performs one or more of the following: setting a limitation of the change or rate of change to be below the threshold; adjusting of a scaling power, and reducing an estimated mean power level with a quantity dependent on a reduction of the thermal noise power floor estimate.
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