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1. (WO2018203694) POWER HEADROOM REPORTING METHOD IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR
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Pub. No.: WO/2018/203694 International Application No.: PCT/KR2018/005167
Publication Date: 08.11.2018 International Filing Date: 04.05.2018
IPC:
H04W 52/36 (2009.01) ,H04W 72/12 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
52
Power management, e.g. TPC [Transmission Power Control], power saving or power classes
04
TPC [Transmission power control]
30
using constraints in the total amount of available transmission power
36
with a discrete range or set of values, e.g. step size, ramping or offsets
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
12
Wireless traffic scheduling
Applicants:
엘지전자 주식회사 LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero Yeongdeungpo-gu Seoul 07336, KR
Inventors:
이현호 LEE, Hyunho; KR
이윤정 YI, Yunjung; KR
Agent:
김용인 KIM, Yong In; KR
방해철 BAHNG, Hae Cheol; KR
Priority Data:
62/501,76505.05.2017US
62/565,01728.09.2017US
62/574,69519.10.2017US
62/645,13719.03.2018US
Title (EN) POWER HEADROOM REPORTING METHOD IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR
(FR) PROCÉDÉ DE RAPPORT DE MARGE DE PUISSANCE DANS UN SYSTÈME DE COMMUNICATION SANS FIL, ET DISPOSITIF ASSOCIÉ
(KO) 무선 통신 시스템에서 전력 헤드룸 보고 방법 및 이를 위한 장치
Abstract:
(EN) According to one embodiment of the present invention, a method by which a terminal, which supports a short transmission time interval (TTI) length in a wireless communication system, reports a power headroom (PH) comprises the steps of: calculating a PH value for a first carrier or cell, in which the short TTI length set for the terminal is set, and a PH value for a second carrier or cell, in which the short TTI length set for the terminal is not set, when a PH report is triggered; and transmitting the calculated PH value through an uplink channel on the first carrier or cell, wherein the PH value for the second carrier or cell can be differently calculated and reported according to whether an uplink channel transmission in the second carrier or cell in a subframe, which includes the point of time when the PH value is reported, is scheduled.
(FR) La présente invention concerne, selon un mode de réalisation, un procédé à l'aide duquel un terminal, qui prend en charge une longueur d'intervalle de temps de transmission court (TTI) dans un système de communication sans fil, rapporte une marge de puissance (PH), ledit procédé comprenant les étapes consistant : à calculer une valeur de PH pour une première porteuse ou cellule, dans laquelle l'ensemble de longueur de TTI court pour le terminal est réglé, et une valeur de PH pour une seconde porteuse ou cellule, dans laquelle l'ensemble de longueur de TTI court pour le terminal n'est pas réglé, lorsqu'un rapport de PH est déclenché ; et à transmettre la valeur de PH calculée à travers un canal de liaison montante sur la première porteuse ou cellule, la valeur de PH pour la seconde porteuse ou la seconde cellule pouvant être calculée différemment et rapportée selon qu'une transmission de canal de liaison montante dans la seconde porteuse ou cellule dans une sous-trame, qui comprend le moment où la valeur de PH est rapportée, est planifiée ou non.
(KO) 본 발명의 일 실시예에 따른 무선 통신 시스템에서 짧은 TTI(transmission time interval) 길이를 지원하는 단말을 위한 전력 헤드룸(power headroom; PH) 보고 방법에 있어서, 상기 방법은 단말에 의해 수행되며, PH 보고가 트리거되면, 상기 단말을 위해 설정된 상기 짧은 TTI 길이가 설정된 제1 반송파 또는 셀을 위한 PH 값 및 상기 단말을 위해 설정된 상기 짧은 TTI 길이가 설정되지 않은 제2 반송파 또는 셀을 위한 PH 값을 계산하는 단계 및 상기 제1 반송파 또는 셀 상의 상향링크 채널을 통해, 상기 계산된 PH 값을 전송하는 단계를 포함하고, 상기 제2 반송파 또는 셀을 위한 PH 값은, 상기 PH 값이 보고되는 시점을 포함하는 서브프레임에서 상기 제2 반송파 또는 셀에서의 상향링크 채널 전송의 스케줄링 여부에 따라 다르게 계산되어 보고될 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)