Hot spot device having power control function and power control method
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United States of America Patent
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Jan 9, 2018
Grant Date -
Nov 30, 2017
app pub date -
May 26, 2017
filing date -
May 28, 2016
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Abstract
A radio communications power control method which can be applied in a hot spot device acquires a first signal power and a first noise power of a first channel by which the hot spot device communicates with a base station, and calculates a first signal-to-noise ratio between the first signal power and the first noise power. The device acquires a second signal power and a second noise power of the first channel when the hot spot device functions, and calculates a second signal-to-noise ratio between the second signal power and the second noise power. A difference is calculated between the first signal-to-noise ratio and the second signal-to-noise ratio, and if the second ratio is greater than the first ratio by a preset reference value, a power of the electromagnetic wave of the hot spot device is reduced to a target value.
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