Lg Electronics Inc.

Samsung Electronics Co., Ltd.

Lg Display Co., Ltd.

Sl Corporation

Seoul National University

Yonsei University

Hyundai Motor Company

Korea Advanced Institute of Science and Technology

Sungkyunkwan University

Amkor Technology, Inc.

Lg Magna E-powertrain Co., Ltd.

Shangrao Jinko Solar Technology Development Co., Ltd

Trina Solar Co., Ltd.

Sparrow Co., Ltd.

Aict (advanced Institutes of Convergence Technology)

Sungjin Kim

Hyangmyoung Gwon

Jaehyung Jang

Jeonghoon Lee

Juhwa Cheong

Seongeun Lee

Byonghoo Kim

Junyong Ahn

Kokeun Kim

Wonjae Chang

Sangheun Lee

Sangrim Lee

Minsoo Kim

Taehyeong Kim

Jungmin Ha

Beomoh Kim

Yunmi Kwon

Jaewon Lee

Kiseon Lee

Kijun Jeon

Dongjin Lee

Satoru Yamada

Minjoo Kim

Sunggil Kim

Ilhyoung Jung

Seulye Kim

Minho Choi

Ji Eun Lee

Jeongbeom Nam

Jinah Kim

Han Jin Lim

Moonyoung Jeong

Hojae Lee

Jihye Kim

Jonghwan Kim

Junghwan Kim

Soungmin Im

Juhwan Yun

Haejong Cho

Younghyun Lee

Jungsu Lee

Jongwoong Shin

Jaehyun Park

Taehyun Kim

Kyungho Lee

Hojin Jung

YongGyoon Jang

Jung-Hoon Han

Seyoung Jang

Sangki Kim

Junyong Noh

Hyun Uk Park

Youngsung Yang

Sangwon Ha

Jaehoon Chung

Byounghoon Kim

Byoung Hoon Kim

Sunghwan Kim

Doosuk Kang

Sunam Kim

Bokun Choi

Seongmin Kim

Jin Woo Park

Jung-Hwan Kim

Dongwook Kim

Seungho Lee

Sangsoo Lee

Junghwan Park

Wonsuk Choi

Tae-Woo Lee

Dongho Kim

Sungyeol Kim

Jae Hong Lee

Sung Ryong Hong

Hyun Wook Park

Hyun Soo Park

Sang-woo Kim

Jaewoo Lee

Jae Yong Park

Byunghwa Lee

Hyunjung Lee

Ho-Young Kim

Taehoon Cho

Choonghwan Shin

Seunghyun Kim

Seungbo Shim

Seheon Choi

Yongwon Cho

Eun-Ji Kim

Myungjin Eom

Dougyong Sung

Indo Chung

Jayeong Kim

Young-Hoon Kim

Seongcheol Lee

Jihoon Choi

Hyeon-Woo Jang

Nakyeong Kim

A signal transmission method performed by means of a terminal for performing federated learning in a wireless communication system is provided. According to the signal transmission method, the terminal receives downlink control information (DCI) from a base station, the DCI informing of a specific computation group ID and a modulation and coding scheme (MCS), modulates and encodes data on the basis of the MCS when the specific computation group ID is the same as a computation group ID allocated to the terminal, the data including a parameter related to the federated learning performed by the terminal, and transmits a signal including the data to the base station on the basis of the modulation and encoding.

Digital aircomp signaling

The present specification relates to a method and a device for randomizing a signal that satisfies ε-differential privacy, the method receiving a signal having a specific value of a bit error rate (BER), and generating a randomized signal on the basis of the signal, and then transmitting the randomized signal to a machine learning server. If a differential privacy mechanism is provided in a physical layer, true randomness of a wireless channel causes security to be less vulnerable than that of a pseudo random mechanism provided by an application, communication delay is reduced, and the power of the device can be reduced.

Signal randomization method and device of communication apparatus

Disclosed is a method for aligning gradient symbols by using bias regarding AirComp in a signal amplitude range of a receiver. A method for aligning gradient symbols according to an embodiment of the present disclosure comprises the steps of: performing iteration of gradient values included in a first planar vector and applying clipping and bias values so as to obtain a second planar vector having gradient values in which symbols are aligned; and transmitting the second planar vector together with channel information to a server in the form of AirComp. Various embodiments of the present disclosure may be linked to an artificial intelligence module, a drone (unmanned aerial vehicle, UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 5G service, and the like.

Method for aligning gradient symbols by using bias regarding aircomp in signal amplitude range of receiver

An electronic device according to an embodiment of the disclosure may include: a battery including an anode having a first length and a cathode having a second length different from the first length, a flexible printed circuit board electrically connected to the battery and surrounding at least part of a side surface of the battery, and a speaker stacked with the battery. The flexible printed circuit board may include a power wiring electrically connected to the anode and a ground wiring electrically connected to the cathode. A first current of a first winding direction generated due to a length difference between the cathode and the anode may flow in the battery, and a second current of a second winding direction opposite to the first winding direction may flow in a wiring disposed closer to the speaker between the power wiring and the ground wiring.

Battery and electronic device including the same

A mobile terminal includes a memory; a touch screen; a first camera having a first capturing angle; a second camera having a second capturing angle that is wider than the first capturing angle; and a controller. The controller is configured to: cause the touch screen to display a first preview image of the first camera, a second preview image of the second camera, or both the first and second preview images overlapping each other; cause the memory to store a first image taken by the first camera in response to a first capture command received while the first preview image is displayed; and cause the memory to store both the first image and a second image taken by the second camera when a wide-angle capturing condition is satisfied while at least one of the first preview image or the second preview image is displayed.

Mobile terminal having two cameras and method for storing images taken by two cameras

The present discloses a method for operating a base station in a wireless communication system, the method comprising: transmitting a first global parameter to a plurality of terminals; determining a transmission scheme which is used by the plurality of terminals; transmitting the determined transmission scheme to the plurality of terminals; receiving, based on the determined transmission scheme, information on a local model parameter from the plurality of terminals; and updating the first global parameter to a second global parameter.

Method and device for terminal and base station to transmit and receive signals in wireless communication system

A method for performing reinforcement learning by a V2X communication device in an autonomous driving system, specifically, a method for performing reinforcement learning in consideration of a reward application ratio over time, is proposed. Action information is transmitted to a second V2X communication device, reward information is received from the second V2X communication device, and reinforcement learning is performed on the basis of a reward, wherein a reward corresponding to a ratio determined by a first V2X communication device is applied to the reinforcement learning, the ratio is determined on the basis of a time interval from a time point of transmission of the action information to a time point of reception of the reward information, and the ratio is between 0 and 1, both inclusive.

Method for performing reinforcement learning by V2X communication device in autonomous driving system

The present disclosure may provide a method for operating a terminal in a wireless communication system. Herein, the method for operating the terminal may include determining a first polar code through an artificial intelligence (AI), transmitting data encoded in the first polar code and an information subchannel index set for the first polar code to a base station, receiving reward information based on decoding of the data from the base station, determining a second polar code by performing learning through the AI based on the reward information, and transmitting data encoded in the determined second polar code and an information subchannel index set for the second polar code to the base station.

Method and device for transmitting and receiving signals of terminal and base station in wireless communication system

An electronic apparatus is provided. The electronic apparatus includes a communication interface, a memory, and a processor, wherein the processor is configured to acquire a user command from the user and control the communication interface to transmit the user command to a plurality of external devices, receive information on a first question generated based on the user command and information on first response to the generated first question acquired from users of each of the plurality of external devices, identify whether there a conflict between each first response occurs, acquire information on a subject to be re-questioned, control the communication interface to transmit information on the conflict to at least one external device identified, receive information on a second response to a second question generated, and acquire a final response based on the information on the first response and the information on the second response and output the final response.

Electronic apparatus and method for controlling thereof

A storage device includes a nonvolatile memory and a controller configured to manage data, stored in the nonvolatile memory, through a plurality of namespaces. The plurality of namespaces may include a first namespace, allocated to a first logical address space, and a second namespace allocated to a second logical address space, contiguous to the first logical address space. The controller may be configured to delete the first namespace in the first logical address space in response to a request of deleting the first name space, to copy the mapping information on the second namespace from the second logical address space to the first logical address space, and to load the mapping information on the second namespace into a cache.

Storage device supporting multi-namespace and method of operating the same

A solar cell can include a silicon semiconductor substrate; an oxide layer on a first surface of the silicon semiconductor substrate; a polysilicon layer on the oxide layer; a diffusion region at a second surface of the silicon semiconductor substrate; a dielectric film on the polysilicon layer; a first electrode connected to the polysilicon layer through the dielectric film; a passivation film on the diffusion region; and a second electrode connected to the diffusion region through the passivation film.

Solar cell and method for manufacturing the same

A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a substrate including a trench. The semiconductor device further includes a gate electrode disposed in the trench, and a gate insulating film disposed between the substrate and the gate electrode. The gate electrode includes a gate conductor and a metal element, and an effective work function of the gate electrode is less than an effective work function of the gate conductor.

Semiconductor device and method of manufacturing the same

An electronic apparatus includes a communicator circuitry, and a processor for obtaining multimedia data from an external apparatus via the communicator, identifying an object in at least one frame from among a plurality of frames included in the multimedia data, and identify a content corresponding to the identified object based on content guide information provided from a first server.

Electronic apparatus for identifying content based on an object included in the content and control method thereof

Disclosed is a perovskite light-emitting device with reduced defects in a perovskite thin film. The passivation layer in the perovskite light-emitting device is formed on the upper part of the perovskite thin film to eliminate defects in the perovskite nanocrystalline particles and resolve charge imbalance in the device, thereby improving maximum efficiency and maximum luminance of the light-emitting device.

Perovskite light-emitting device having passivation layer and fabrication method thereof

Growing community of inventors

Seoul, South Korea

Sungjin Kim