The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 2018
Filed:
Nov. 22, 2013
Lg Electronics Inc., Seoul, KR;
Research & Business Foundation Sungkyunkwan University, Suwon-si, Gyeonggi-do, KR;
Hanbyul Seo, Anyang-si, KR;
Hojin Song, Yuseong-gu, KR;
Jongyeol Ryu, Jung-gu, KR;
Dongin Kim, Seongnam-si, KR;
Byounghoon Kim, Anyang-si, KR;
Wan Choi, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, Suwon-si, KR;
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.