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1. WO2020197311 - METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Publication Number WO/2020/197311
Publication Date 01.10.2020
International Application No. PCT/KR2020/004178
International Filing Date 27.03.2020
IPC
H04J 13/00 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
JMULTIPLEX COMMUNICATION
13Code division multiplex systems
H04L 27/26 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
H04W 74/00 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
H04W 74/08 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled access, e.g. random access, ALOHA or CSMA
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 신석민 SHIN, Seokmin
  • 양석철 YANG, Suckchel
  • 김선욱 KIM, Seonwook
  • 안준기 AHN, Joonkui
  • 박창환 PARK, Changhwan
  • 황승계 HWANG, Seunggye
Agents
  • 특허법인(유한)케이비케이 KBK & ASSOCIATES
Priority Data
10-2019-003639128.03.2019KR
10-2019-008480212.07.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM
(FR) PROCÉDÉ ET APPAREIL D'ÉMISSION ET DE RÉCEPTION D'UN SIGNAL DANS UN SYSTÈME DE COMMUNICATION SANS FIL
(KO) 무선 통신 시스템에서 신호를 송수신하는 방법 및 장치
Abstract
(EN)
A method and an apparatus for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present invention, comprise transmitting a physical random access channel (PRACH) and receiving a random access response (RAR) on the basis of the PRACH, wherein the PRACH includes N_MAX sequences mapped to a frequency domain, the N_MAX sequences include M number of groups of which each includes N number of sequences, the N_MAX sequences have the same length, the N number of sequences are generated on the basis of the same base sequence, and different cyclic shift (CS) values can be applied to each of the N number of sequences.
(FR)
Un procédé et un appareil d'émission/réception d'un signal dans un système de communication sans fil, selon un mode de réalisation de la présente invention, comprennent la transmission d'un canal d'accès aléatoire physique (PRACH) et la réception d'une réponse d'accès aléatoire (RAR) sur la base du PRACH, lequel PRACH comprend des séquences N_MAX mappées sur un domaine de fréquence, les séquences N_MAX comprenant un nombre M de groupes qui contiennent chacun un nombre N de séquences, les séquences N_MAX ayant la même longueur, le nombre N de séquences étant généré sur la base de la même séquence de base, et différentes valeurs de décalage cyclique (CS) pouvant être appliquées à chacune des séquences du nombre N de séquences.
(KO)
본 발명의 일 실시예에 따른 무선 통신 시스템에서 신호를 송수신하는 방법 및 장치는, PRACH (Physical Random Access Channel)를 전송하고, 상기 PRACH에 기반하여 RAR (Random Access Response)을 수신하는 것을 포함하며, 상기 PRACH는, 주파수 도메인 상에 매핑된 N_MAX개의 시퀀스(sequence)들로 구성되고, 상기 N_MAX개의 시퀀스들은 N개의 시퀀스들을 포함하는 M개의 그룹으로 구성되고, 상기 N_MAX개의 시퀀스들은 동일한 길이를 가지며, 상기 N개의 시퀀스들은 동일한 기본 시퀀스(base sequence)를 기반으로 생성되며, 상기 N개의 시퀀스들 각각에는 다른 CS (Cyclic shift) 값들이 적용될 수 있다.
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