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1. WO2020091544 - METHOD FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME

Publication Number WO/2020/091544
Publication Date 07.05.2020
International Application No. PCT/KR2019/014779
International Filing Date 04.11.2019
IPC
H04B 7/06 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
06at the transmitting station
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 박해욱 PARK, Haewook
  • 강지원 KANG, Jiwon
  • 김기준 KIM, Kijun
  • 정재훈 CHUNG, Jaehoon
  • 박종현 PARK, Jonghyun
Agents
  • 특허법인 로얄 ROYAL PATENT & LAW OFFICE
Priority Data
10-2018-013397502.11.2018KR
62/791,54711.01.2019US
62/806,66615.02.2019US
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) METHOD FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME
(FR) PROCÉDÉ DE RAPPORT D'INFORMATIONS D'ÉTAT DE CANAL DANS UN SYSTÈME DE COMMUNICATION SANS FIL, ET DISPOSITIF ASSOCIÉ
(KO) 무선 통신 시스템에서 채널 상태 정보를 보고하기 위한 방법 및 이를 위한 장치
Abstract
(EN)
The present invention relates to a method whereby user equipment (UE) transmits channel state information (CSI) in a wireless communication system and to a device therefor. According to the present invention, a terminal receives configuration information for CSI reporting from a base station and receives a reference signal from the base station on the basis of the configuration information. The terminal may receive downlink control information (DCI) via a physical downlink control channel (PDCCH), calculate CSI about a particular channel on the basis of the configuration information and the DCI, and report same to the base station.
(FR)
La présente invention porte sur un procédé par lequel un équipement utilisateur (UE) transmet des informations d'état de canal (CSI) dans un système de communication sans fil, et sur un dispositif associé. Selon la présente invention, un terminal reçoit, en provenance d'une station de base, des informations de configuration pour un rapport de CSI et reçoit, en provenance de la station de base, un signal de référence sur la base des informations de configuration. Le terminal peut recevoir des informations de commande de liaison descendante (DCI) par l'intermédiaire d'un canal de commande de liaison descendante physique (PDCCH), calculer des CSI concernant un canal particulier sur la base des informations de configuration et des DCI, et les rapporter à la station de base.
(KO)
무선 통신 시스템에서 사용자 장치(UE: User Equipment)가 채널 상태 정보(CSI: Channel State Information)를 전송하는 방법 및 장치에 관한 것이다. 본 발명에 의하면, 단말은 기지국으로부터 CSI 보고를 위한 설정 정보를 수신하고, 상기 기지국으로부터 상기 설정 정보에 기초하여 참조 신호(Reference Signal)를 수신한다. 단말은 하향링크 물리 채널(Physical Downlink Control Channel: PDCCH)를 통해서 하향링크 제어 정보(Downlink Control Information: DCI)를 수신하고, 상기 설정 정보 및 상기 DCI에 기초하여 특정 채널에 대한 CSI를 계산하여 기지국으로 보고할 수 있다.
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