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Registered USER EQUIPMENT AND METHOD FOR TRANSMITTING MESSAGE IN MULTI-BEAM SYSTEM

Power ramping methods for message (Msg.) 1 transmission/retransmission of a random access (RA) procedure in multi-beam systems
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Inventors
Hui Bing, Choi Sung Woo, Chung Hee Sang, Kim Junhyeong, Gosan Noh, Kim Yeongjin, Kim Il Gyu
Application No.
16005920 (2018.06.12)
Publication No.
20180359712 (2018.12.13)
Registration No.
10499349 (2019.12.03)
Country
UNITED STATES
Project Code
17HF1600, Development of 5G Mobile Communication Technologies for Hyper-connected smart services, Chung Hyun Kyu
Abstract
A method and user equipment for transmitting a message of a random access procedure in a multi-beam system includes: transmitting and retransmitting a message 1 of the RA procedure through a first beam of a plurality of transmission beams of the UE based on power ramping; and retransmitting, if one or more Msg. 2 (RAR) is not successfully received corresponding to the message 1 transmission/retransmission, the message 1 through a second beam of the plurality of transmission beams after switching the first beam to the second beam at a second power level which is the same as or higher than a first power level of the first beam.
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Status Patent Country KIPRIS
Registered USER EQUIPMENT AND METHOD FOR TRANSMITTING MESSAGE IN MULTI BEAM SYSTEM KOREA KIPRIS