公开(公告)号：US12028132B2

公开(公告)日：2024-07-02

申请号：US17978559

申请日：2022-11-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byongok Lee ,  Joohyun Do ,  Hyunseok Yu

IPC: H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0617 ,  H04B7/0634

Abstract: An operating method of a wireless communication device includes calculating an effective channel matrix between the wireless communication device and a base station based on transmission characteristic information and channel information, the transmission characteristic information corresponding to the wireless communication device, and the channel information corresponding to a channel between the wireless communication device and the base station, determining a precoding matrix based on the effective channel matrix, and determining a transmission beamforming vector based on the precoding matrix.

公开(公告)号：US20240162948A1

公开(公告)日：2024-05-16

申请号：US18508368

申请日：2023-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byongok Lee ,  Joohyun Do ,  Hyunseok Yu

IPC: H04B7/0456 ,  H04L5/00

CPC classification number: H04B7/0456 ,  H04L5/0048

Abstract: An operating method of a wireless communication user equipment may include transmitting a sounding reference signal (SRS) to a base station, receiving, from the base station, a transmit precoding matrix indicator (TPMI) indicating a precoding matrix and a rank indicator (RI) indicating a rank value, selecting a precoding matrix, based on the TPMI and the RI, allocating a gain to each of a plurality of transmission paths, based on the precoding matrix and loss information of each of the plurality of transmission paths, and transmitting a physical uplink shared channel (PUSCH) through the plurality of transmission paths.

公开(公告)号：US20240073825A1

公开(公告)日：2024-02-29

申请号：US18239269

申请日：2023-08-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byongok Lee ,  Joohyun Do ,  Hyunseok Yu

IPC: H04W52/14 ,  H04W52/18 ,  H04W52/42

CPC classification number: H04W52/146 ,  H04W52/18 ,  H04W52/42

Abstract: Provided is a method of operating an electronic device, the method including receiving, from a base station, a downlink control signal requesting repeated transmission of an uplink signal, determining a repeated transmission mode for changing at least one of a precoding matrix, an analog transmission beam, and transmission power of the uplink signal when the uplink signal is repeatedly transmitted in response to reception of the downlink control signal, and repeatedly transmitting a plurality of uplink signals according to a determined repeated transmission mode.