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1. (WO2018199693) RANDOM ACCESS PERFORMING METHOD, AND DEVICE SUPPORTING SAME
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Pub. No.: WO/2018/199693 International Application No.: PCT/KR2018/004942
Publication Date: 01.11.2018 International Filing Date: 27.04.2018
IPC:
H04W 74/08 (2009.01) ,H04W 72/02 (2009.01) ,H04W 16/28 (2009.01)
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
72
Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
02
Selection of wireless resources by user or terminal
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
Applicants:
엘지전자 주식회사 LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu Seoul 07336, KR
Inventors:
이영대 LEE, Youngdae; KR
이선영 LEE, Sunyoung; KR
Agent:
인비전 특허법인 ENVISION PATENT & LAW FIRM; 서울시 강남구 테헤란로 124, 5층 5F, 124, Teheran-ro Gangnam-gu Seoul 06234, KR
Priority Data:
62/491,37228.04.2017US
Title (EN) RANDOM ACCESS PERFORMING METHOD, AND DEVICE SUPPORTING SAME
(FR) PROCÉDÉ POUR EFFECTUER UN ACCÈS ALÉATOIRE, ET DISPOSITIF PRENANT EN CHARGE CELUI-CI
(KO) 랜덤 액세스 수행 방법 및 이를 지원하는 장치
Abstract:
(EN) Provided is a method for performing a random access procedure by a terminal in a wireless communication system. The method comprises the steps of: selecting a first beam group including a configured number (M) of beams; transmitting a random access preamble to a base station via the first beam group; adjusting a value of M when it is determined that the random access procedure has failed; and reselecting a second beam group including the adjusted number of M beams.
(FR) L'invention concerne un procédé visant à faire effectuer par un terminal une procédure d'accès aléatoire dans un système de communication sans fil. Le procédé comprend les étapes consistant à : sélectionner un premier groupe de faisceaux comprenant un nombre configuré (M) de faisceaux; transmettre un préambule d'accès aléatoire à une station de base via le premier groupe de faisceaux; ajuster une valeur de M lorsqu'il est déterminé que la procédure d'accès aléatoire a échoué; et resélectionner un second groupe de faisceaux comprenant le nombre ajusté de faisceaux M.
(KO) 무선 통신 시스템에서, 단말이 랜덤 액세스 절차를 수행하는 방법이 제공된다. 상기 방법은, 설정된 개수(M)의 빔을 포함하는 제1 빔 그룹을 선택하는 단계; 상기 제1 빔 그룹을 통해 기지국으로 랜덤 액세스 프리앰블(random access preamble)을 전송하는 단계; 상기 랜덤 액세스 절차가 실패한 것으로 판단된 경우, 상기 M의 값을 조정하는 단계; 및 상기 조정된 M개의 빔을 포함하는 제2 빔 그룹을 재선택하는 단계를 포함하는 단계를 포함한다.
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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)