公开(公告)号：US20240030974A1

公开(公告)日：2024-01-25

申请号：US18224426

申请日：2023-07-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eunsung Jeon ,  Chulho Chung ,  Jinmin Kim ,  Ravi Hiranand Gidvani ,  Myeongjin Kim ,  Jonghun Han

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0456

CPC classification number: H04B7/0617 ,  H04L5/0044 ,  H04B7/0456 ,  H04W84/12

Abstract: An operating method of a first device communicating with a second device in a wireless local area network (WLAN), includes: receiving, from the second device, a physical layer protocol data unit (PPDU) including a payload that includes a trigger frame; preparing an uplink beamforming matrix based on a value of an uplink beamforming-related first sub-field included in a preamble of the PPDU; beamforming, according to the uplink beamforming matrix, the PPDU; and transmitting the beamformed PPDU to the second device based on a value of an uplink beamforming-related second sub-field included in the trigger frame.