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1. (WO2018203603) BEAMFORMING TRAINING
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Pub. No.: WO/2018/203603 International Application No.: PCT/KR2018/004234
Publication Date: 08.11.2018 International Filing Date: 11.04.2018
IPC:
H04W 16/28 (2009.01) ,H04W 72/04 (2009.01) ,H04B 7/0491 (2017.01) ,H04B 7/06 (2006.01)
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
W
WIRELESS COMMUNICATION NETWORKS
72
Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
04
Wireless resource allocation
[IPC code unknown for H04B 7/0491]
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
7
Radio transmission systems, i.e. using radiation field
02
Diversity systems
04
using a plurality of spaced independent aerials
06
at transmitting station
Applicants:
엘지전자 주식회사 LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu Seoul 07336, KR
Inventors:
방세희 BANG, Saehee; KR
김진민 KIM, Jinmin; KR
최진수 CHOI, Jinsoo; KR
Agent:
인비전 특허법인 ENVISION PATENT & LAW FIRM; 서울시 강남구 테헤란로 124, 5층 5F, 124, Teheran-ro Gangnam-gu Seoul 06234, KR
Priority Data:
62/501,72404.05.2017US
Title (EN) BEAMFORMING TRAINING
(FR) APPRENTISSAGE DE FORMATION DE FAISCEAU
(KO) 빔포밍 훈련
Abstract:
(EN) Provided are a method for beamforming training and an apparatus using the same. An STA receives a beacon frame from an AP during a BTI. The STA transmits SSW frames during an A-BFT. The beacon frame comprises an A-BFT length indicating the number of a plurality of SSW slots included in the A-BFT, a FSS field indicating the number of the SSW frames allowed in one SSW slot among the plurality of SSW slots, and information about the type of the SSW frames used in one SSW slot. The information about the type of the SSW frames indicates that the SSW frames are determined to be one from among first type SSW frames and second type SSW frames. The second type SSW frames have a smaller size than that of the first type SSW frames. If the SSW frames are determined to be the second type SSW frames, the FSS field indicates the number of the second type SSW frames that can be transmitted in one SSW slot.
(FR) La présente invention concerne un procédé d'apprentissage de formation de faisceau et un appareil l'utilisant. Une STA reçoit une trame de balise d'un AP pendant un BTI. La STA transmet des trames SSW pendant une A-BFT. La trame de balise comprend une longueur A-BFT indiquant le nombre d'une pluralité de créneaux SSW inclus dans l'A-BFT, un champ FSS indiquant le nombre des trames SSW autorisées dans un créneau SSW parmi la pluralité de créneaux SSW, et des informations concernant le type des trames SSW utilisées dans un créneau SSW. Les informations concernant le type des trames SSW indiquent que les trames SSW sont déterminées comme étant une trame parmi des trames SSW de premier type et des trames SSW de second type. Les trames SSW de second type ont une taille plus petite que celle des trames SSW de premier type. Si les trames SSW sont déterminées comme étant les trames SSW de second type, le champ FSS indique le nombre des trames SSW de second type qui peuvent être transmises dans un créneau SSW.
(KO) 빔포밍 훈련을 위한 방법 및 이를 이용한 장치가 제공된다. STA은 BTI 동안 AP로부터 비콘 프레임을 수신한다. STA은 A-BFT 동안 SSW 프레임을 전송한다. 비콘 프레임은 A-BFT에 포함되는 복수의 SSW 슬롯의 개수를 지시하는 A-BFT 길이, 복수의 SSW 슬롯 중 하나의 SSW 슬롯에 허용되는 SSW 프레임의 개수를 지시하는 FSS 필드, 및 하나의 SSW 슬롯에서 사용되는 SSW 프레임의 타입에 관한 정보를 포함한다. SSW 프레임의 타입에 관한 정보는 SSW 프레임이 제1 타입 SSW 프레임과 제2 타입 SSW 프레임 중 하나로 결정됨을 지시한다. 제2 타입 SSW 프레임은 상기 제1 타입 SSW 프레임 보다 더 작은 크기를 갖는다. SSW 프레임이 제2 타입 SSW 프레임으로 결정되면, FSS 필드는 하나의 SSW 슬롯에서 전송될 수 있는 제2 타입 SSW 프레임의 개수를 지시한다.
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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)