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1. WO2020111638 - METHOD AND DEVICE FOR TRANSMITTING EHT PPDU IN WIRELESS LAN SYSTEM

Publication Number WO/2020/111638
Publication Date 04.06.2020
International Application No. PCT/KR2019/015924
International Filing Date 20.11.2019
IPC
H04L 27/26 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
H04J 13/00 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
JMULTIPLEX COMMUNICATION
13Code division multiplex systems
CPC
H04J 13/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
JMULTIPLEX COMMUNICATION
13Code division multiplex systems
H04L 27/26
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 박은성 PARK, Eunsung
  • 최진수 CHOI, Jinsoo
  • 임동국 LIM, Dongguk
  • 김진민 KIM, Jinmin
  • 윤선웅 YUN, Sunwoong
Agents
  • 인비전 특허법인 ENVISION PATENT & LAW FIRM
Priority Data
10-2018-015140929.11.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) METHOD AND DEVICE FOR TRANSMITTING EHT PPDU IN WIRELESS LAN SYSTEM
(FR) PROCÉDÉ ET DISPOSITIF DE TRANSMISSION D'UNE PPDU EHT DANS UN SYSTÈME LAN SANS FIL
(KO) 무선랜 시스템에서 EHT PPDU를 송신하는 방법 및 장치
Abstract
(EN)
A method and device for transmitting an EHT PPDU in a wireless LAN system is proposed. Specifically, a transmission STA generates an STF signal for a 320 MHz band. The transmission STA transmits an EHT PPDU including the STF signal to a reception STA. The STF signal is generated on the basis of an EHT STF sequence. The EHT STF sequence is a first sequence in which preconfigured sequence M is repeated, and is defined as {M 1 -M 0 -M 1 -M 0 -M -1 M 0 -M 1 -M 0 -M -1 M 0 M -1 M 0 -M -1 M 0 -M 1 -M}*(1+j)/sqrt(2). Sqrt() represents a square root. Preconfigured sequence M is defined as M = {-1, -1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1}.
(FR)
La présente invention concerne un procédé et un dispositif de transmission d'une PPDU EHT dans un système LAN sans fil. En particulier, une STA de transmission génère un signal STF pour une bande de 320 MHz. La STA de transmission transmet une PPDU EHT comprenant le signal STF à une STA de réception. Le signal STF est généré sur la base d'une séquence STF EHT. La séquence STF EHT est une première séquence dans laquelle la séquence préconfigurée M est répétée, et est définie comme {M 1 -M 0 -M 1 -M 0 -M -1 M 0 -M 1 -M 0 -M -1 M 0 M -1 M 0 -M -1 M 0 -M 1 -M}*(1+j)/sqrt(2). Sqrt() représente une racine carrée. La séquence préconfigurée M est définie comme M = {-1, -1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1}.
(KO)
무선랜 시스템에서 EHT PPDU를 송신하는 방법 및 장치가 제안된다. 구체적으로, 송신 STA은 320MHz 대역에 대한 STF 신호를 생성한다. 송신 STA은 STF 신호를 포함하는 EHT PPDU를 수신 STA에게 송신한다. STF 신호는 EHT STF 시퀀스를 기반으로 생성된다. EHT STF 시퀀스는 기설정된 M 시퀀스가 반복된 제1 시퀀스로 {M 1 -M 0 -M 1 -M 0 -M -1 M 0 -M 1 -M 0 -M -1 M 0 M -1 M 0 -M -1 M 0 -M 1 -M}*(1+j)/sqrt(2)와 같이 정의된다. sqrt()는 제곱근을 나타낸다. 기설정된 M 시퀀스는 M={-1, -1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1}와 같이 정의된다.
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