公开(公告)号：US20250112678A1

公开(公告)日：2025-04-03

申请号：US18599184

申请日：2024-03-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ravi GIDVANI ,  Eunsung JEON ,  Mark RISON ,  Michail KOUNDOURAKIS ,  Myeongjin KIM ,  Jung Woon LEE ,  Hunmin SHIN ,  Chulho CHUNG

IPC: H04B7/06

Abstract: A system and a method are disclosed for controlling sounding or beamforming. In some embodiments, the method includes transmitting, by a first station, an instruction to a second station, the second station being a beamforming station, wherein the instruction instructs the second station: to disable or enable beamforming, or to disable or enable sounding.

公开(公告)号：US20230156797A1

公开(公告)日：2023-05-18

申请号：US17986543

申请日：2022-11-14

Applicant: SAMSUNG ELECTRONICS CO, LTD.

Inventor： Jonghun HAN ,  Chulho CHUNG ,  Myeongjin IM ,  Eunsung JEON

IPC: H04W74/08

CPC classification number: H04W74/0816 ,  H04W74/0866

Abstract: A wireless communication method performed by a first device includes entering a transmission preparation period of a first Request To Send (RTS) frame via a first link; obtaining transmission-related information of a second RTS frame via a second link; determining at least one of a first transmission timing and content of the first RTS frame, based on the transmission-related information of the second RTS frame; generating the first RTS frame based on a result of the determining; and transmitting, to a second device via the first link, the generated first RTS frame.

公开(公告)号：US20220158696A1

公开(公告)日：2022-05-19

申请号：US17530047

申请日：2021-11-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eunsung JEON ,  Chulho CHUNG ,  MYEONGJIN KIM ,  Jonghun HAN

IPC: H04B7/0417 ,  H04B7/06 ,  H04L5/00

Abstract: A method for a first device to communicate with at least one second device in a wireless local area network (WLAN) system includes providing a first trigger frame to at least one second device, the first trigger frame requesting at least one sounding null data packet (NDP), providing a feedback frame to the at least one second device, the feedback frame including feedback information generated based on the at least one sounding NDP, and providing a second trigger frame to the at least one second device, the second trigger frame requesting at least one beamformed physical layer protocol data unit (PPDU), each of the first trigger frame and the feedback frame including a sounding dialog token number field having a sounding sequence number.

公开(公告)号：US20210184737A1

公开(公告)日：2021-06-17

申请号：US17025389

申请日：2020-09-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eunsung JEON ,  Minki AHN ,  Sungsoo KIM ,  Joonsuk KIM ,  Jinyong LEE

IPC: H04B7/06 ,  H04L25/02

Abstract: A method of operating a wireless communication apparatus configured to support adaptive beamforming of a base station, the method including receiving a sounding packet from the base station through a plurality of sub-carriers, generating first channel information corresponding to first sub-carriers among the plurality of sub-carriers based on the sounding packet, performing an interpolation operation using the first channel information to generate second channel information corresponding to second sub-carriers among the plurality of sub-carriers, generating first beamforming feedback including the first channel information and the second channel information, and transmitting the first beamforming feedback to the base station.

公开(公告)号：US20200304194A1

公开(公告)日：2020-09-24

申请号：US16825185

申请日：2020-03-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eunsung JEON ,  Wookbong LEE ,  Sungsoo KIM ,  Joonsuk KIM ,  Minki AHN

IPC: H04B7/06 ,  H04W16/28 ,  H04B17/336

Abstract: A method of operating a wireless communication apparatus, the method comprising: estimating a first channel using a sounding packet received from a base station to obtain an estimated first channel, the sounding packet including a plurality of first streams, generating a diagonal matrix and a beam steering matrix by performing singular value decomposition (SVD) on the estimated first channel, generating state information of a plurality of second channels respectively corresponding to a plurality of second streams generated by applying the beam steering matrix to the plurality of first streams using the diagonal matrix, and transmitting beamforming feedback based on the state information to the base station.