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1. (WO2018203628) METHOD FOR TRANSMITTING RANDOM ACCESS CHANNEL SIGNAL, USER EQUIPMENT, METHOD FOR RECEIVING RANDOM ACCESS CHANNEL SIGNAL, AND BASE STATION

Pub. No.:    WO/2018/203628    International Application No.:    PCT/KR2018/004959
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Sat Apr 28 01:59:59 CEST 2018
IPC: H04L 27/26
H04W 74/08
H04J 13/00
Applicants: LG ELECTRONICS INC.
엘지전자 주식회사
Inventors: KIM, Eunsun
김은선
KO, Hyunsoo
고현수
KIM, Kijun
김기준
YOON, Sukhyon
윤석현
Title: METHOD FOR TRANSMITTING RANDOM ACCESS CHANNEL SIGNAL, USER EQUIPMENT, METHOD FOR RECEIVING RANDOM ACCESS CHANNEL SIGNAL, AND BASE STATION
Abstract:
User equipment in a wireless communication system receives RACH configuration information including preamble format information indicating a first format and transmits an RACH preamble in the first format. The RACH preamble in the first format includes a cyclic prefix (CP) part and a sequence part in a time domain. The RACH preamble in the first format satisfies the following: the CP length of the RACH preamble in the first format is N times the CP length NCP of an OFDM symbol, wherein N represents the number of OFDM symbols used for the transmission of the RACH preamble and is greater than 1.