Method and system for power control in wireless networks using interference prediction with an error margin
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United States of America Patent
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Feb 11, 2003
Grant Date -
N/A
app pub date -
Dec 15, 1999
filing date -
Dec 15, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An enhanced power control method for use in a wireless packet-switched network having an interference prediction algorithm which includes an error margin. In particular, the method can measure an interference power and a path gain between an intended receiver and transmitter. Based upon the past performance of the network, a future interference value may be predicted by using a prediction algorithm. Furthermore, based upon the prior accuracy of the interference prediction, the method can also estimate an error margin for the interference prediction. Finally, a transmission power for the transmitter can be calculated using the predicted interference power, the estimated error margin for the predicted interference power, the path gain, and the target SINR.
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