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Registered METHOD AND APPARATUS FOR TRANSMITTING RA PREAMBLE IN NR SYSTEM

Physical random access channel (PRACH) and random access (RA) preamble format design for enabling single-beam and multi-beam operations with beam sweeping
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Inventors
Hui Bing, Choi Sung Woo, Chung Hee Sang, Kim Junhyeong, Gosan Noh, Kim Yeongjin, Kim Il Gyu
Application No.
15934140 (2018.03.23)
Publication No.
20180279387 (2018.09.27)
Registration No.
10609736 (2020.03.31)
Country
UNITED STATES
Project Code
16MF1200, Development of 5G Mobile Communication Technologies for Hyper-connected smart services, Chung Hyun Kyu
Abstract
A method and an apparatus for transmitting a message used to access a base station (BS) in a random access (RA) procedure by user equipment (UE) are provided. The method includes: determining a first RA preamble resource corresponding to an SSB index which corresponds to a transmission beam among a plurality of transmission beams of BS; and transmitting a message 1 of the RA procedure by using a first RA preamble format which includes the first RA preamble resource and at least one second RA preamble resource which neighbors the first RA preamble resource.
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Status Patent Country KIPRIS
Registered METHOD AND APPARATUS FOR TRANSMITTING RA PREAMBLE IN NR SYSTEM KOREA KIPRIS