METHOD AND DEVICE FOR GENERATING STF SIGNAL IN WIRELESS LAN SYSTEM

WIPO Patent Application WO/2020/122530

A1

Proposed are a method and device for transmitting an EHT PPDU in a wireless LAN system. Specifically, a transmission STA generates an EHT PPDU including an STF signal. The transmission STA transmits the EHT PPDU to a receiving STA. The STF signal is generated on the basis of an EHT STF sequence for a 320 MHz band or 160+160 MHz band. The EHT STF sequence for the 320 MHz band is a first sequence, in which a preset M sequence is repeated, 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() denotes square root. The preset M sequence is defined as M={-1, -1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1}.

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PARK EUNSUNG (KR)
CHOI JINSOO (KR)
LIM DONGGUK (KR)
KIM JINMIN (KR)
YUN SUNWOONG (KR)

PCT/KR2019/017308

June 18, 2020

December 09, 2019

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LG ELECTRONICS INC (KR)

H04L27/26; H04J13/00; H04L5/00

WO2012062124A1

2012-05-18

KR20170068491A

2017-06-19

EUNSUNG PARK (LG ELECTRONICS): "Overview of PHY Features for EHT", IEEE DRAFT 802.11-18/1967R0, 12 November 2018 (2018-11-12), pages 1 - 22, XP068133454
EUNSUNG PARK (LG ELECTRONICS): "HE-STF Sequences for 160/80+80MHz", IEEE DRAFT 802.11-16/0335R0, 14 March 2016 (2016-03-14), pages 1 - 21, XP068105204
JINSOO CHOI (LG ELECTRONICS): "View on EHT Objectives and Technologies", IEEE DRAFT 802.11-18/1171R0, 8 July 2018 (2018-07-08), pages 1 - 13, XP068128253
See also references of EP 3896929A4

ENVISION PATENT & LAW FIRM (KR)

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