Power control method for guaranteeing quality of service of device to device direct communication and apparatus therefor
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United States of America Patent
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Jan 30, 2018
Grant Date -
May 19, 2016
app pub date -
Nov 22, 2013
filing date -
Jul 11, 2013
priority date (Note) -
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Abstract
Disclosed is a method of controlling, by a device, power for guaranteeing the quality of service of a device to device (D2D) direct communication. In detail, the method comprises the steps of: receiving, from a base station, information containing at least one of channel information and information of a receiving side device in a D2D communication; estimating an uplink channel with the base station on the basis of the received information; and selecting a transmission power by comparing the channel gain value of the uplink channel with a threshold value for determining the maximum transmission power, and transmitting data to the base station using the selected transmission power, wherein the channel information comprises at least one of channel information of the D2D communication, uplink channel information between the device and the base station, and interference channel information between the device and the receiving side device in the D2D communication.
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