公开(公告)号：US20220188985A1

公开(公告)日：2022-06-16

申请号：US17244481

申请日：2021-04-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mojtaba RAHMATI ,  Dongwoon BAI ,  Jungwon LEE

IPC: G06T5/00 ,  H04N5/357

Abstract: A method and system are provided. The method includes receiving an input frame, performing high frequency noise reduction (HFNR) on the received input frame, performing low frequency noise reduction (LFNR) on the received input frame, and obtaining a hybrid denoised clean frame by fusing an output of the performed HFNR and an output of the performed LFNR.

公开(公告)号：US20170288912A1

公开(公告)日：2017-10-05

申请号：US15630459

申请日：2017-06-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mojtaba RAHMATI ,  Dongwoon BAI ,  Jungwon LEE

IPC: H04L25/02 ,  H04L27/38 ,  H04L1/00 ,  H04B7/0413

CPC classification number: H04L25/0256 ,  H04B7/0413 ,  H04L1/0048 ,  H04L1/0054 ,  H04L27/38

Abstract: Methods and apparatus for soft MIMO detection of high order QAM with initial candidate reduction are described. A method includes receiving a plurality of signals including Q-order quadrature amplitude modulation (QAM) symbols; determining, based on linear minimum mean square error (MMSE) estimation using detection of I and Q signs around a target layer, a reduced candidate set including C potential candidates, where C is less than Q; calculating Euclidean distances (EDs) based on the reduced candidate set; and generating log-likelihood ratio (LLR) information based on the calculated EDs.

公开(公告)号：US20170245286A1

公开(公告)日：2017-08-24

申请号：US15144398

申请日：2016-05-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mojtaba RAHMATI ,  Dongwoon BAI ,  Jungwon LEE

IPC: H04W72/08 ,  H04W72/06 ,  H04L5/00 ,  H04J11/00 ,  H04L1/00

CPC classification number: H04W72/082 ,  H04J11/005 ,  H04L1/0054 ,  H04L5/0026 ,  H04L5/005 ,  H04W72/06

Abstract: A method and an apparatus. The method includes receiving a signal including a serving signal and an interference signal; applying a Gaussian approximation (GA) on the serving signal and the interference signal; determining, jointly, a maximum likelihood (ML) solution of rank, traffic to pilot ratio (TPR), and precoding matrix index on the GA-applied serving signal and the GA-applied interference signal. The apparatus includes an antenna for receiving a signal including a serving signal and an interference signal; a processor configured to apply a GA on the serving signal and the interference signal, and determine, jointly, an ML solution of rank, TPR, and precoding matrix index on the GA-applied serving signal and the GA-applied interference signal.

公开(公告)号：US20240204855A1

公开(公告)日：2024-06-20

申请号：US18341324

申请日：2023-06-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoda SHAHMOHAMMADIAN ,  Jung Hyun BAE ,  Jungwon LEE ,  Dongwoon BAI

IPC: H04B7/08 ,  H04B7/06 ,  H04W64/00

CPC classification number: H04B7/086 ,  H04B7/0617 ,  H04B7/0854 ,  H04B7/0857 ,  H04W64/006

Abstract: Methods and apparatuses are provided in which position information is determined corresponding to movement of a user equipment (UE) from first local coordinates to second local coordinates. Receive angles of the UE are derived from the position information of the UE. A beamforming weight of the UE is determined based on the derived receive angles of the UE. The beamforming weight is configured such that a beam direction of the second local coordinates matches a beam direction of the first local coordinates.

公开(公告)号：US20240195466A1

公开(公告)日：2024-06-13

申请号：US18582227

申请日：2024-02-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Federico PENNA ,  Hyukjoon KWON ,  Dongwoon BAI ,  Jaein KIM ,  Junho LEE ,  Hui Won JE

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

CPC classification number: H04B7/0456 ,  H04B7/0632 ,  H04L5/0094

Abstract: The disclosure provides methods of providing implicit channel state information (CSI) feedback from a user equipment (UE). A method performed by a first device includes determining a feedback parameter selection decision metric; selecting a particular method from a plurality of methods, based on the feedback parameter selection decision metric; determining, based at least in part on the particular method, and based on a configuration of an associated second device, one or more values associated with precoding; and transmitting the one or more values to the second device.

公开(公告)号：US20230231600A1

公开(公告)日：2023-07-20

申请号：US17852358

申请日：2022-06-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Qi ZHAN ,  Jung Hyun BAE ,  Federico PENNA ,  Hyukjoon KWON ,  Dongwoon BAI

IPC: H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0617

Abstract: A method may include determining, for a channel, a target component of precoding information, determining at least a part of the precoding information based on the target component and a decompressed component of the precoding information, and sending, from a user equipment, the at least a part of the precoding information. Determining the at least a part of the precoding information may be based on a correlation between the target component and the decompressed component. The at least a part of the precoding information may include a vector of coefficients. The vector of coefficients may include a vector of complex numbers. At least one of the complex numbers may include an amplitude representing a scaling coefficient and a phase representing a rotation coefficient. The target component may include a target matrix. The decompressed component may include a decompressed matrix. The target matrix may include a linear combination coefficients matrix. The precoding information may include a precoding matrix indicator.

公开(公告)号：US20220114709A1

公开(公告)日：2022-04-14

申请号：US17559593

申请日：2021-12-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mojtaba RAHMATI ,  Dongwoon BAI ,  Jungwon LEE

IPC: G06T5/20 ,  G06T5/00 ,  G06T7/33 ,  G06T5/50

Abstract: An apparatus and method for successive multi-frame image denoising are herein disclosed. The apparatus includes a first subtractor including a first input to receive a frame of the image, a second input to receive a reference frame, and an output; an absolute value function block including an input connected to the output of the first subtractor and an output; a second subtractor including a first input connected to the output of the absolute value function block, a second input for receiving a first predetermined value, and an output; and a maximum value divider function block including an input connected to the output of the second subtractor and an output for outputting filter weights.

公开(公告)号：US20210125307A1

公开(公告)日：2021-04-29

申请号：US16814184

申请日：2020-03-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Rohit R. RANADE ,  Yangwen LIANG ,  Shuangquan WANG ,  Dongwoon BAI ,  Jungwon LEE

IPC: G06T3/40 ,  G06T7/55 ,  G06T3/00 ,  G06T5/00

Abstract: A method and an apparatus are provided for providing a dolly zoom effect by an electronic device. A first image with a first depth map and a second image with a second depth map are obtained. A first synthesized image and a corresponding first synthesized depth map are generated using the first image and the first depth map respectively. A second synthesized image and a corresponding second synthesized depth map are generated using the second image and the second depth map respectively. A fused image is generated from the first synthesized image and the second synthesized image. A fused depth map is generated from the first synthesized depth map and the second synthesized depth map. A final synthesized image is generated based on processing the fused image and the fused depth map.