Power regulation using multi-loop control
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United States of America Patent
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Jun 18, 2002
Grant Date -
N/A
app pub date -
Jul 6, 1999
filing date -
Jul 6, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Improved adjustment of transmission power in a communication system is provided. In one embodiment, in a point to multipoint communication system, transmission power of a subscriber unit is controlled based on power measurements made at a central access point. Power measurement information based on transmissions occurring at irregular intervals may be combined in a beneficial manner to control transmission output power. In one embodiment, a power regulation process determines a series of difference values indicating the differences between desired received power level at the central access point and measured received power level. A smoothing process is applied to the difference values. One or more parameters of the smoothing process vary with elapsed time since a last available power measurement.
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