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1. WO2022005193 - METHOD AND APPARATUS FOR RECEIVING PPDU IN WHICH DATA IS DUPLICATED AND TO WHICH PHASE ROTATION IS APPLIED IN WIRELESS LAN SYSTEM

Publication Number WO/2022/005193
Publication Date 06.01.2022
International Application No. PCT/KR2021/008247
International Filing Date 30.06.2021
IPC
H04L 27/26 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
H04L 5/00 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
H04L 1/00 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
H04W 72/04 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
04Wireless resource allocation
H04W 84/12 2009.1
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
CPC
H04L 1/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
H04L 27/26
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
H04L 5/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
H04W 72/04
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
04Wireless resource allocation
H04W 84/12
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
84Network topologies
02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
10Small scale networks; Flat hierarchical networks
12WLAN [Wireless Local Area Networks]
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 박은성 PARK, Eunsung
  • 천진영 CHUN, Jinyoung
  • 최진수 CHOI, Jinsoo
  • 임동국 LIM, Dongguk
Agents
  • 인비전 특허법인 ENVISION PATENT & LAW FIRM
Priority Data
10-2020-008176102.07.2020KR
10-2020-008694014.07.2020KR
10-2020-008763615.07.2020KR
10-2020-010000110.08.2020KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) METHOD AND APPARATUS FOR RECEIVING PPDU IN WHICH DATA IS DUPLICATED AND TO WHICH PHASE ROTATION IS APPLIED IN WIRELESS LAN SYSTEM
(FR) PROCÉDÉ ET APPAREIL DE RÉCEPTION DE PPDU DANS LEQUEL DES DONNÉES SONT DUPLIQUÉES ET AUXQUELLES UNE ROTATION DE PHASE EST APPLIQUÉE DANS UN SYSTÈME DE RÉSEAU LOCAL SANS FIL
(KO) 무선랜 시스템에서 데이터가 복제되고 위상 회전이 적용된 PPDU를 수신하는 방법 및 장치
Abstract
(EN) Proposed are a method and an apparatus for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives a PPDU from a transmission STA through a first band, and decodes the PPDU. The PPDU includes a preamble and a data field. The first band includes first to fourth sub-blocks. The data field includes first data for first and second sub-blocks and second data for third and fourth sub-blocks. The second data is generated on the basis of data obtained by duplicating the first data and applying phase rotation to the third sub-block.
(FR) La présente invention concerne un procédé et un appareil de réception de PPDU dans un système de réseau local sans fil. Plus particulièrement, une STA de réception reçoit une PPDU provenant d’une STA de transmission à travers une première bande et décode la PPDU. La PPDU comprend un préambule et un champ de données. La première bande comprend les quatre premiers sous-blocs. Le champ de données comprend des premières données pour des premier et deuxième sous-blocs et des secondes données pour des troisième et quatrième sous-blocs. Les secondes données sont générées sur la base de données obtenues en dupliquant les premières données et en appliquant une rotation de phase au troisième sous-bloc.
(KO) 무선랜 시스템에서 PPDU를 수신하는 방법 및 장치가 제안된다. 구체적으로, 수신 STA은 송신 STA으로부터 제1 대역을 통해 PPDU를 수신하고, PPDU를 복호한다. PPDU는 프리앰블 및 데이터 필드를 포함한다. 제1 대역은 제1 내지 제4 서브블록을 포함한다. 데이터 필드는 제1 및 제2 서브블록에 대한 제1 데이터 및 제3 및 제4 서브블록에 대한 제2 데이터를 포함한다. 제2 데이터는 제1 데이터를 복제하고 제3 서브블록에 대해 위상 회전을 적용한 데이터를 기반으로 생성된다.
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