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1. WO2020116885 - CHANNEL PROTECTION FOR PREVENTING PROCEDURE DELAY

Publication Number WO/2020/116885
Publication Date 11.06.2020
International Application No. PCT/KR2019/016892
International Filing Date 03.12.2019
IPC
H04W 74/00 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
H04W 74/08 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled access, e.g. random access, ALOHA or CSMA
H04W 72/12 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
12Wireless traffic scheduling
H04W 84/12 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
84Network topologies
02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN  or WLL
10Small scale networks; Flat hierarchical networks
12WLAN
H04W 84/20 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
84Network topologies
18Self-organising networks, e.g. ad hoc networks or sensor networks
20Master-slave arrangements
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 박성진 PARK, Sungjin
  • 김정기 KIM, Jeongki
  • 최진수 CHOI, Jinsoo
  • 박은성 PARK, Eunsung
Agents
  • 인비전 특허법인 ENVISION PATENT & LAW FIRM
Priority Data
10-2018-015382403.12.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) CHANNEL PROTECTION FOR PREVENTING PROCEDURE DELAY
(FR) PROTECTION DE CANAL POUR EMPÊCHER UN RETARD DE PROCÉDURE
(KO) 절차 지연을 막기 위한 채널 보호
Abstract
(EN)
In a wireless local area network system, a first type AP may transmit a first frame related to a channel sounding between a second type AP and a non-AP station (STA) to at least one second type AP for performing multi-AP transmission. The first type AP may receive, from the second type AP, a second frame related to a result on the channel sounding. The first frame may include a duration field, a value of the duration field is configured to protect a time interval from a first time point related to the first frame to a second time point related to the second frame, and the second time point may be a time point before a short inter frame space (SIFS) from the second frame.
(FR)
Dans un système de réseau local sans fil, un premier type d'AP peut transmettre une première trame associée à un sondage de canal entre un second type d'AP et une station non-AP (STA) à au moins un AP de second type pour effectuer une transmission multi-AP. Le premier type d'AP peut recevoir, en provenance du second type d'AP, une seconde trame associée à un résultat sur le sondage de canal. La première trame peut comprendre un champ de durée, une valeur du champ de durée est configurée pour protéger un intervalle de temps d'un premier point temporel associé à la première trame à un second point temporel associé à la seconde trame, et le second point temporel peut être un point temporel avant un court espace intertrame (SIFS) à partir de la seconde trame.
(KO)
무선랜(Wireless Local Area Network) 시스템에서, 제1 타입 AP는 멀티 AP 전송을 수행하는 적어도 하나의 제2 타입 AP에게 상기 제2 타입 AP와 non-AP STA(station) 간 채널의 사운딩(sounding)에 관련된 제1 프레임을 전송할 수 있다. 상기 제1 타입 AP에서, 상기 제2 타입 AP로부터 상기 채널의 사운딩 결과에 관련된 제2 프레임을 수신할 수 있다. 상기 제1 프레임은 듀레이션 필드(duration field)를 포함할 수 있고, 상기 듀레이션 필드의 값은 상기 제1 프레임에 관련된 제1 시점부터 상기 제2 프레임에 관련된 제2 시점까지의 시간 구간(time interval)을 보호하기 위해 설정되고, 상기 제2 시점은 상기 제2 프레임으로부터 SIFS(Short Inter Frame Space) 이전의 시점일 수 있다.
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