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1. (WO2018128497) CHANNEL ACCESS METHOD IN WIRELESS LAN SYSTEM AND DEVICE THEREFOR

Pub. No.:    WO/2018/128497    International Application No.:    PCT/KR2018/000340
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Tue Jan 09 00:59:59 CET 2018
IPC: H04W 74/00
H04W 74/08
H04W 84/12
Applicants: LG ELECTRONICS INC.
엘지전자 주식회사
Inventors: KIM, Jeongki
김정기
RYU, Kiseon
류기선
Title: CHANNEL ACCESS METHOD IN WIRELESS LAN SYSTEM AND DEVICE THEREFOR
Abstract:
According to one embodiment of the present invention, a method by which a station (STA) performs channel access in a wireless LAN system comprises the steps of: receiving, from an access point (AP), a first frame indicating whether to deactivate a basic service set (BSS) color; receiving a second frame including a signal (SIG)-A field having a transmission opportunity (TXOP) period subfield and a BSS color subfield; and performing channel access, wherein the STA can perform the channel access by invoking an extended inter-frame space (EIFS) operation when the BSS color is deactivated by the first frame, but the BSS color subfield of the second frame includes the deactivated BSS color and the TXOP period subfield of the second frame includes a valid TXOP period value.