公开(公告)号：US11546033B2

公开(公告)日：2023-01-03

申请号：US17539759

申请日：2021-12-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junho Lee ,  Jaein Kim ,  Jonggun Moon ,  Hyukyeon Lee ,  Seungjin Choi ,  Huiwon Je ,  Jinwon Choi

IPC: H04B7/06

Abstract: A method of performing beam training including obtaining at least one of a probability distribution and a value function for selecting one of a plurality of beams that are used to perform beamforming, selecting a candidate beam from among the plurality of beams based on the at least one of the probability distribution and the value function, the candidate beam being expected to be a best beam among the plurality of beams, performing a present training operation based on the candidate beam and a previous beam selected by at least one previous training operation, and selecting a better one of the candidate beam and the previous beam as a present beam based on a result of the present training operation may be provided.

公开(公告)号：US20240291622A1

公开(公告)日：2024-08-29

申请号：US18655836

申请日：2024-05-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junho Lee ,  Jaein Kim ,  Huiwon Je ,  Jinwon Choi

IPC: H04L5/00

CPC classification number: H04L5/006 ,  H04L5/0048 ,  H04L5/0082

Abstract: A method of operating a wireless communication device including a plurality of antennas according to an exemplary embodiment of the present disclosure includes determining an antenna subset including at least one of the plurality of antennas, transmitting a sounding reference signal (SRS) switching signal to a base station through at least one antenna of the antenna subset, receiving a channel state information-reference signal (CSI-RS) transmitted using a first beam from the base station, selecting a precoding matrix indicator (PMI) based on the CSI-RS, transmitting the selected PMI to the base station, and receiving a signal transmitted from the base station through a second beam determined based on the SRS switching signal and the PMI.

公开(公告)号：US12010068B2

公开(公告)日：2024-06-11

申请号：US17643219

申请日：2021-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junho Lee ,  Jaein Kim ,  Huiwon Je ,  Jinwon Choi

IPC: H04L5/00

CPC classification number: H04L5/006 ,  H04L5/0048 ,  H04L5/0082

Abstract: A method of operating a wireless communication device including a plurality of antennas according to an exemplary embodiment of the present disclosure includes determining an antenna subset including at least one of the plurality of antennas, transmitting a sounding reference signal (SRS) switching signal to a base station through at least one antenna of the antenna subset, receiving a channel state information-reference signal (CSI-RS) transmitted using a first beam from the base station, selecting a precoding matrix indicator (PMI) based on the CSI-RS, transmitting the selected PMI to the base station, and receiving a signal transmitted from the base station through a second beam determined based on the SRS switching signal and the PMI.

公开(公告)号：US20220224461A1

公开(公告)日：2022-07-14

申请号：US17643219

申请日：2021-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junho Lee ,  Jaein Kim ,  Huiwon Je ,  Jinwon Choi

IPC: H04L5/00

Abstract: A method of operating a wireless communication device including a plurality of antennas according to an exemplary embodiment of the present disclosure includes determining an antenna subset including at least one of the plurality of antennas, transmitting a sounding reference signal (SRS) switching signal to a base station through at least one antenna of the antenna subset, receiving a channel state information-reference signal (CSI-RS) transmitted using a first beam from the base station, selecting a precoding matrix indicator (PMI) based on the CSI-RS, transmitting the selected PMI to the base station, and receiving a signal transmitted from the base station through a second beam determined based on the SRS switching signal and the PMI.

公开(公告)号：US20250069961A1

公开(公告)日：2025-02-27

申请号：US18800813

申请日：2024-08-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinyong Choi ,  Sooyeol Yang ,  Jaeeun Lee ,  Hyuckjoon Kwon ,  Jinwon Choi ,  Takuya Futatsuyama

IPC: H01L21/66 ,  G01R31/28

Abstract: A semiconductor multi-layer structure includes a first semiconductor wafer including a plurality of first pads, a second semiconductor wafer including a plurality of second pads combined with the plurality of first pads, and a test circuit configured to apply a first voltage to a reference combination portion in which a preset first reference pad among the plurality of first pads is combined with a preset second reference pad among the plurality of second pads and apply a second voltage to a comparison combination portion in which at least one first pad among the plurality of first pads is combined with at least one second pad among the plurality of second pads, wherein the test circuit compares a voltage distributed based on a resistance ratio of the reference combination portion to the comparison combination portion with a preset reference voltage to determine whether the at least one first pad is aligned with the at least one second pad.

公开(公告)号：US11689262B2

公开(公告)日：2023-06-27

申请号：US17539769

申请日：2021-12-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongin Choi ,  Yangsoo Kwon ,  Joonsung Kim ,  Jinwoo Oh ,  Mingoo Kim ,  Inhyoung Kim ,  Youngseok Jung ,  Jinwon Choi

IPC: H04B7/02 ,  H04B7/06

CPC classification number: H04B7/0615 ,  H04B7/0639 ,  H04B7/0695

Abstract: An operating method of a communication device for providing a beamformed transmission signal to a plurality of terminals may include determining a target transmission vector based on an area restriction condition for each of the plurality of terminals, generating a beam selection matrix for selecting some of a plurality of antennas based on the target transmission vector and a beam selection condition, generating a precoding matrix based on the target transmission vector and the beam selection matrix, and generating a transmission signal based on the beam selection matrix and the precoding matrix.