Samsung Electronics Co., Ltd.

Jaein Kim

Junho Lee

Ho Jun Kim

Huiwon Je

Jinah Park

Jinwon Choi

June-Seok Kim

Soojung Bae

Min-Hee Lee

Gyuchual Kim

Dongkyu Lim

Hangyul Kim

Yookyung Ham

Seungjin Choi

Jonggun Moon

Hyukjoon Kwon

Dongwoon Bai

Heekyung Jeon

Inyoung Choi

Federico Penna

Hankyung Jo

Hyunseung Joo

Yeongjune Choi

Hyukyeon Lee

Hui Won Je

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.

Method and apparatus for wireless communication using beam-forming in wireless communication system

An operating method of a wireless communication device includes receiving a reference signal from a base station, estimating a first channel between the wireless communication device and the base station based on the reference signal, extracting, based on a first artificial intelligence model trained to reduce a difference between the first channel estimated by the wireless communication device and a second channel estimated by the base station, a feature including grouped attributes from the first channel, quantizing the grouped attributes using a codebook that is based on a second artificial intelligence model and by generating one or more indices of the codebook for each group of the attributes, and transmitting, to the base station, a bitstream including combination information of the indices of the codebook.

Method and apparatus for transmitting channel state information

An electronic device may include: a display; at least one processor operatively connected with the display; and a memory configured to store a plurality of contents and operatively connected with the at least one processor, and the memory may store instructions that, when being executed, cause the at least one processor to: acquire a plurality of contents related to a first category from the memory; classify the plurality of contents into one or more groups, based on context information of the plurality of contents; identify at least one first content corresponding to a designated type from the one or more groups; generate a highlight content by using the at least one first content; generate a teed including the highlighted content and the plurality of contents, based on the one or more groups; and arrange the highlight content on an upper end of the feed to output on the display.

Apparatus and method for providing multimedia content

Display screen or portion thereof with graphical user interface

Method and apparatus communication using beam-forming in wireless communication system

The disclosure provides a method of providing implicit channel state information (CSI) feedback from a user equipment (UE). The method includes determining a precoding matrix indicator (PMI) selection decision metric, selecting one of a sub-band (SB) linear combination coefficient (LCC) selection method, a wideband (WB) LCC selection method, or a sub-band group (SBG) LCC selection method, based on the determined PMI selection decision metric, determining, using the selected LCC selection method, PMI indices based on sub-bands configured by a base station, and transmitting the determined PMI indices to the base station.

Method and apparatus for selection of linear combination coefficients for precoding in frequency-selective channels

A method of operating a communication device includes: sweeping a plurality of first reception beams; measuring reference signals, received from another communication device, based on the plurality of first reception beams; estimating a downlink channel gain based on the measured reference signals and reception array response information corresponding to reception antenna characteristics of the communication device; generating a downlink channel related matrix based on the downlink channel gain and the reception array response information; determining a second reception beam based on the downlink channel related matrix; determining a transmission beam based on at least one of the downlink channel gain, the downlink channel related matrix, and the second reception beam; and performing communication with the other communication device using the second reception beam and the transmission beam.

Terminal performing beam sweeping operation and method of operation thereof

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.

Method of performing beam training based on reinforcement learning and wireless communication device performing the same

Disclosed are a method and an apparatus for providing a representative image of content in a content view displayed by an electronic device. The electronic device includes: a display device configured to display a content view; and a processor, wherein the processor is configured to acquire item information related to items in a content view in response to detection of a request for executing the content view, divide the items into a reference item and a target item in the content view based on the acquired item information, acquire representative information based on the reference item, and configure a color-based representative image of the target item based at least partially on the acquired representative information. Various embodiments are possible.

Display processing method and device for applying an attribute of a reference image to a target image

Display screen or portion thereof with transitional graphical user interface

Display screen or portion thereof with icon set

Display screen or portion thereof with animated graphical user interface

Growing community of inventors

Goyang-si, South Korea

Jaein Kim