公开(公告)号：US20240114524A1

公开(公告)日：2024-04-04

申请号：US18478403

申请日：2023-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byongok LEE ,  Joohyun DO ,  Hyunseok YU

IPC: H04W72/232 ,  H04L25/02 ,  H04W72/0453

CPC classification number: H04W72/232 ,  H04L25/0228 ,  H04W72/0453

Abstract: An operating method of a base station includes performing channel estimation on a plurality of user equipment (UEs) based on a plurality of sounding reference signals (SRSs), allocating a first frequency resource and a second frequency resource based on a result of the channel estimation, the first frequency resource and the second frequency resource corresponding to a first UE among the plurality of UEs, and a rank value of the first frequency resource being different from a rank value of the second frequency resource, and transmitting an uplink grant to the first UE, the uplink grant including a plurality of resource block group (RBG) bitmaps to the first UE.

公开(公告)号：US20240023104A1

公开(公告)日：2024-01-18

申请号：US18220612

申请日：2023-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byongok LEE ,  Joohyun DO ,  Heejin SEO ,  Hyunseok YU

IPC: H04W72/21 ,  H04B7/06

CPC classification number: H04W72/21 ,  H04B7/0639 ,  H04B7/0626

Abstract: Provided is an operation method of an electronic device including a plurality of antennas, the operation method including obtaining precoding information from a base station, generating a physical uplink control channel (PUCCH) precoding vector based on the precoding information, generating a precoded PUCCH signal by multiplying a PUCCH signal by the PUCCH precoding vector, and transmitting the precoded PUCCH signal to the base station by using the plurality of antennas.

公开(公告)号：US20240154843A1

公开(公告)日：2024-05-09

申请号：US18227143

申请日：2023-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byongok LEE ,  Joohyun DO ,  Hyunseok YU

IPC: H04L25/02 ,  H04L5/14

CPC classification number: H04L25/0214 ,  H04L5/1469

Abstract: An operating method of a first device which communicates with a second device based on time division duplex (TDD), includes: receiving a first signal from the second device; estimating a channel between the first device and the second device based on the first signal; generating, by applying singular value decomposition (SVD) to the estimated channel, a first orthogonal matrix including one or more left singular vectors, a diagonal matrix including one or more singular values, and a second orthogonal matrix including one or more right singular vectors; selecting at least one right singular vector from the second orthogonal matrix in descending order according to the one or more singular values, a number of the selected at least one right singular vector corresponding to a number of ranks of the channel; and transmitting, to the second device, a precoded physical sidelink shared channel (PSSCH) precoded based on a precoding matrix including the selected at least one right singular vector.

公开(公告)号：US20230231684A1

公开(公告)日：2023-07-20

申请号：US18097944

申请日：2023-01-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byongok LEE ,  Joohyun DO ,  Hyunseok YU

IPC: H04L5/00 ,  H04L25/03

CPC classification number: H04L5/0051 ,  H04L25/03343

Abstract: An electronic device including a communication circuit configured to receive a reception signal including an interference signal, and to transmit a sounding reference signal (SRS) to a base station; and a control circuit comprising an interference estimation circuit configured to detect the interference signal in the reception signal, and a precoding matrix calculation circuit configured to generate an SRS precoding matrix corresponding to the SRS, based on a detection result obtained by the interference estimation circuit, wherein the control circuit is configured to control the communication circuit to transmit the SRS to the base station, and wherein the SRS is generated by multiplying a transmission signal by the SRS precoding matrix.

公开(公告)号：US20230155645A1

公开(公告)日：2023-05-18

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.