METHOD AND APPARATUS FOR TRANSMITTING C-OFDMA PPDU IN WIRELESS LAN SYSTEM

Proposed is a method and apparatus for transmitting a C-OFDMA PPDU in a wireless LAN system. Specifically, a first AP transmits a C-OFDMA request frame to a second AP. The first AP receives a C-OFDMA response frame as a response to the C-OFDMA request frame from the second AP. The first AP transmits...

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Main Authors KIM, Jeongki, RYU, Kiseon
Format Patent
LanguageEnglish
French
Korean
Published 03.09.2020
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Abstract Proposed is a method and apparatus for transmitting a C-OFDMA PPDU in a wireless LAN system. Specifically, a first AP transmits a C-OFDMA request frame to a second AP. The first AP receives a C-OFDMA response frame as a response to the C-OFDMA request frame from the second AP. The first AP transmits a first C-OFDMA PPDU to a first STA through a first channel. A second C-OFDMA PPDU is transmitted simultaneously together with the first PPDU through a second channel by the second AP. The C-OFDMA request frame includes first information indicating that using the second channel for the second AP is allowed. The first channel corresponds to a channel remaining after excluding a preamble-punctured channel from the entire channel, and the second channel corresponds to the preamble-punctured channel. La présente invention concerne un procédé et un dispositif de transmission d'une PPDU C-OFDMA dans un système LAN sans fil. En particulier, un premier AP transmet une trame de requête de C-OFDMA à un second AP. Le premier AP Reçoit une trame de réponse C-OFDMA en réponse à la trame de requête de C-OFDMA en provenance du second AP. Le premier AP transmet une première PPDU C-OFDMA à une première station (STA) par l'intermédiaire d'un premier canal. Une seconde PPDU C-OFDMA est transmise simultanément avec la première PPDU par l'intermédiaire d'un second canal par le second AP. La trame de requête C-OFDMA comprend des premières informations indiquant que l'utilisation du second canal pour le second AP est autorisée. Le premier canal correspond à un canal restant après l'exclusion d'un canal à préambule perforé à partir de l'ensemble du canal, et le second canal correspond au canal à préambule perforé. 무선랜 시스템에서 C-OFDMA PPDU를 전송하는 방법 및 장치가 제안된다. 구체적으로, 제1 AP는 C-OFDMA 요청 프레임을 제2 AP로 전송한다. 제1 AP는 제2 AP로부터 C-OFDMA 요청 프레임에 대한 응답으로 C-OFDMA 응답 프레임을 수신한다. 제1 AP는 제1 채널을 통해 제1 C-OFDMA PPDU를 제1 STA에게 전송한다. 제1 PPDU와 동시에 제2 AP에 의해 제2 C-OFDMA PPDU가 제2 채널을 통해 전송된다. C-OFDMA 요청 프레임은 제2 AP에 대해 제2 채널의 사용을 허용한다는 제1 정보를 포함한다. 제1 채널은 전체 채널에서 프리앰블 펑처링된 채널을 제외한 채널이고 제2 채널은 상기 프리앰블 펑처링된 채널이다.
AbstractList Proposed is a method and apparatus for transmitting a C-OFDMA PPDU in a wireless LAN system. Specifically, a first AP transmits a C-OFDMA request frame to a second AP. The first AP receives a C-OFDMA response frame as a response to the C-OFDMA request frame from the second AP. The first AP transmits a first C-OFDMA PPDU to a first STA through a first channel. A second C-OFDMA PPDU is transmitted simultaneously together with the first PPDU through a second channel by the second AP. The C-OFDMA request frame includes first information indicating that using the second channel for the second AP is allowed. The first channel corresponds to a channel remaining after excluding a preamble-punctured channel from the entire channel, and the second channel corresponds to the preamble-punctured channel. La présente invention concerne un procédé et un dispositif de transmission d'une PPDU C-OFDMA dans un système LAN sans fil. En particulier, un premier AP transmet une trame de requête de C-OFDMA à un second AP. Le premier AP Reçoit une trame de réponse C-OFDMA en réponse à la trame de requête de C-OFDMA en provenance du second AP. Le premier AP transmet une première PPDU C-OFDMA à une première station (STA) par l'intermédiaire d'un premier canal. Une seconde PPDU C-OFDMA est transmise simultanément avec la première PPDU par l'intermédiaire d'un second canal par le second AP. La trame de requête C-OFDMA comprend des premières informations indiquant que l'utilisation du second canal pour le second AP est autorisée. Le premier canal correspond à un canal restant après l'exclusion d'un canal à préambule perforé à partir de l'ensemble du canal, et le second canal correspond au canal à préambule perforé. 무선랜 시스템에서 C-OFDMA PPDU를 전송하는 방법 및 장치가 제안된다. 구체적으로, 제1 AP는 C-OFDMA 요청 프레임을 제2 AP로 전송한다. 제1 AP는 제2 AP로부터 C-OFDMA 요청 프레임에 대한 응답으로 C-OFDMA 응답 프레임을 수신한다. 제1 AP는 제1 채널을 통해 제1 C-OFDMA PPDU를 제1 STA에게 전송한다. 제1 PPDU와 동시에 제2 AP에 의해 제2 C-OFDMA PPDU가 제2 채널을 통해 전송된다. C-OFDMA 요청 프레임은 제2 AP에 대해 제2 채널의 사용을 허용한다는 제1 정보를 포함한다. 제1 채널은 전체 채널에서 프리앰블 펑처링된 채널을 제외한 채널이고 제2 채널은 상기 프리앰블 펑처링된 채널이다.
Author KIM, Jeongki
RYU, Kiseon
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DocumentTitleAlternate 무선랜 시스템에서 C-OFDMA PPDU를 전송하는 방법 및 장치
PROCÉDÉ ET APPAREIL DE TRANSMISSION DE PPDU C-OFDMA DANS UN SYSTÈME LAN SANS FIL
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Snippet Proposed is a method and apparatus for transmitting a C-OFDMA PPDU in a wireless LAN system. Specifically, a first AP transmits a C-OFDMA request frame to a...
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SourceType Open Access Repository
SubjectTerms ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
Title METHOD AND APPARATUS FOR TRANSMITTING C-OFDMA PPDU IN WIRELESS LAN SYSTEM
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