METHOD AND DEVICE FOR APPLYING OPTIMIZED PHASE ROTATION TO BROADBAND IN WIRELESS LAN SYSTEM

WIPO Patent Application WO/2021/206361

A1

Proposed are a method and a device for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives a PPDU from a transmission STA through a broadband and decodes the PPDU. The PPDU includes a legacy preamble and first and second signal fields. The legacy preamble and the first and second signal fields are generated on the basis of a first phase rotation value. When the broadband corresponds to a 320 MHz band, the first phase rotation value is [1 -1 j j 1 1 j -j j -j -1 -1 -j -j 1 -1].

PARK EUNSUNG (KR)
CHUN JINYOUNG (KR)
CHOI JINSOO (KR)
LIM DONGGUK (KR)

PCT/KR2021/003994

October 14, 2021

March 31, 2021

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LG ELECTRONICS INC (KR)

H04L27/26; H04B7/0413; H04L1/00; H04L5/00; H04W72/04; H04W84/12

WO2020045910A1	2020-03-05
WO2018063669A1	2018-04-05

US20170047971A1

2017-02-16

EUNSUNG PARK (LG ELECTRONICS): "Phase Rotation for 320MHz", IEEE DRAFT; 11-19-1493-01-00BE-PHASE-ROTATION-FOR-320MHZ, IEEE-SA MENTOR, PISCATAWAY, NJ USA, vol. 802.11 EHT; 802.11be, no. 1, 14 November 2019 (2019-11-14), Piscataway, NJ USA , pages 1 - 12, XP068164755
EUNSUNG PARK (LG ELECTRONICS): "Phase Rotation Proposal", IEEE DRAFT; 11-20-0406-01-00BE-PHASE-ROTATION-PROPOSAL, IEEE-SA MENTOR, PISCATAWAY, NJ USA, vol. 802.11 EHT; 802.11be, no. 1, 20 March 2020 (2020-03-20), Piscataway, NJ USA , pages 1 - 11, XP068167195

ENVISION PATENT & LAW FIRM (KR)

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