Method and apparatus for adaptive closed loop power control using open loop measurements
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United States of America Patent
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Feb 13, 2001
Grant Date -
N/A
app pub date -
Aug 7, 1997
filing date -
Aug 7, 1997
priority date (Note) -
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Abstract
A method and apparatus for controlling a parameter associated with a first signal transmitted from a first station to a second station in a communication system monitors a second signal transmitted from the second station to the first station to determine a propagation state associated with the transmitted signals. A loop gain is adjusted based on the propagation state. The loop gain is used to adjust the size of commands used to adjust (i.e., increase or decrease) the parameter being controlled. If the propagation state is a quiescent state, the loop gain is set to one. If the propagation state is an active state, the loop gain is set to some value greater than one thereby increasing the size of the commands used to control the parameter. In a preferred embodiment of the present invention, the controlled parameter is a transmit power level of the first signal.
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