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Title:
METHOD AND DEVICE FOR TRANSMITTING UPLINK INFORMATION
Document Type and Number:
WIPO Patent Application WO/2017/196160
Kind Code:
A1
Abstract:
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present application provides a method for transmitting uplink information, which includes the following: a UE detects control information, i.e., UL-Grant for scheduling uplink data transmissions from a base station; determines according to the control information, the number of PRBs resource allocated by the base station, determining a maximum transmission power allowed in the current sub-frame, determines an uplink transmission power of the UE; executes an LBT according to UL-Grant configurations, and starts an uplink data transmission after the LBT is successful. By adopting the method of the present disclosure, the total uplink transmission power of an entire cell in one sub-frame is controlled, so as to realize coexistence with other devices. Further, by reasonably setting an LBT time period and power increase transition time, the probability of collisions among devices is reduced.

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Inventors:
LI YINGYANG (CN)
WANG YI (CN)
ZHANG SHICHANG (CN)
Application Number:
PCT/KR2017/005025
Publication Date:
November 16, 2017
Filing Date:
May 15, 2017
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04W52/36; H04W52/14; H04W72/12; H04W74/08
Domestic Patent References:
WO2015042594A22015-03-26
Foreign References:
US20160095134A12016-03-31
US20150296463A12015-10-15
KR20110082437A2011-07-19
US20150057011A12015-02-26
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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