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1. (WO2019027271) METHOD FOR TRANSMITTING, BY BASE STATION, DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM SUPPORTING UNLICENSED BAND AND DEVICE FOR SUPPORTING SAME
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Pub. No.: WO/2019/027271 International Application No.: PCT/KR2018/008786
Publication Date: 07.02.2019 International Filing Date: 02.08.2018
IPC:
H04W 74/00 (2009.01) ,H04W 74/08 (2009.01) ,H04W 16/28 (2009.01) ,H04L 5/00 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
74
Wireless channel access, e.g. scheduled or random access
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
74
Wireless channel access, e.g. scheduled or random access
08
Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
16
Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cell structures
24
Cell structures
28
using beam steering
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5
Arrangements affording multiple use of the transmission path
Applicants:
엘지전자 주식회사 LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero Yeongdeungpo-Gu Seoul 07336, KR
Inventors:
박한준 PARK, Hanjun; KR
김선욱 KIM, Seonwook; KR
박창환 PARK, Changhwan; KR
양석철 YANG, Suckchel; KR
Agent:
김용인 KIM, Yong In; KR
방해철 BAHNG, Hae Cheol; KR
Priority Data:
62/540,52502.08.2017US
Title (EN) METHOD FOR TRANSMITTING, BY BASE STATION, DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM SUPPORTING UNLICENSED BAND AND DEVICE FOR SUPPORTING SAME
(FR) PROCÉDÉ PERMETTANT DE TRANSMETTRE, AU MOYEN D'UNE STATION DE BASE, UN SIGNAL DE LIAISON DESCENDANTE DANS UN SYSTÈME DE COMMUNICATION SANS FIL PRENANT EN CHARGE UNE BANDE SANS LICENCE ET DISPOSITIF PERMETTANT DE PRENDRE EN CHARGE CE DERNIER
(KO) 비면허 대역을 지원하는 무선 통신 시스템에서 기지국이 하향링크 신호를 전송하는 방법 및 이를 지원하는 장치
Abstract:
(EN) Disclosed, in the present invention, are a method for transmitting, by a base station, a downlink signal in a wireless communication system supporting an unlicensed band, and a device for supporting the same. More particularly, in accordance with one embodiment of the present invention, when acknowledgment timing of each terminal (for example, an interval length from a time point of receiving downlink data to a time point of transmitting acknowledgment information for the downlink data) is set flexibly (or independently), a base station may determine a reference downlink resource for contention window size (CWS) adjustment by considering the acknowledgement timing and perform downlink signal transmission by adjusting CWS on the basis of the acknowledgment information received for the reference downlink resource.
(FR) La présente invention porte sur un procédé permettant de transmettre, au moyen d'une station de base, un signal de liaison descendante dans un système de communication sans fil prenant en charge une bande sans licence et sur un dispositif de prise en charge de ce procédé. Plus particulièrement, selon un mode de réalisation de la présente invention, lorsqu'un moment d'accusé de réception de chaque terminal (par exemple, une longueur d'intervalle entre un instant de réception de données de liaison descendante et un instant de transmission d'informations d'accusé de réception pour les données de liaison descendante) est défini de manière flexible (ou indépendamment), une station de base peut déterminer une ressource de liaison descendante de référence pour un ajustement de taille de fenêtre de contention (CWS pour Contention Window Size) en prenant en compte le moment d'accusé de réception et effectuer une transmission de signal de liaison descendante par ajustement de la taille CWS sur la base des informations d'accusé de réception reçues pour la ressource de liaison descendante de référence.
(KO) 본 발명에서는 비면허 대역을 지원하는 무선 통신 시스템에서 기지국이 하향링크 신호를 전송하는 방법 및 이를 지원하는 장치를 개시한다. 보다 구체적으로, 본 발명의 일 실시예에 따라 각 단말들의 확인 응답 타이밍 (예: 하향링크 데이터 수신 시점으로부터 상기 하향링크 데이터에 대한 확인 응답 정보를 전송하는 시점까지의 구간 길이)이 유동적으로(또는 독립적으로) 설정되는 경우, 기지국은 이를 고려하여 경쟁 윈도우 크기(CWS) 조정을 위한 참조 하향링크 자원 (reference downlink resource)을 결정하고, 상기 참조 하향링크 자원에 대해 수신된 확인 응답 정보에 기초하여 상기 CWS를 조정하여 하향링크 신호 전송을 수행할 수 있다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)