Korea Advanced Institute of Science and Technology

Electronics and Telecommunications Research Institute

Lg Electronics Inc.

Sungkyunkwan University

Samsung Electronics Co., Ltd.

Lg Innotek Co., Ltd.

Seoul National University

Korea Telecommunication Authority

Korea Telecom

Ktfreetel Co., Ltd

Valeo Kapec Co., Ltd.

Korea Telecom M.com Co., Ltd.

Wan Gyun Choi

Hanbyul Seo

Dongin Kim

Byounghoon Kim

Hyun-Kyu Yu

Hojin Song

Jongyeol Ryu

Yong-Seok Choi

Sang Won Seo

Myung-Gil Kang

Dae-Kyu Shin

Jeong Gi Seo

Eun-Ji Lim

Yong Jun Ko

Shin-Young Ahn

Young-Choon Woo

Jung-Hoon Lee

Young Kyun Kim

Hong Yeon Kim

Chul Young Kim

Bi Hong

Kyungrak Son

Hyun Ho Choi

Young Jae Song

Junil Choi

Sang-Wook Suh

Hag-Young Kim

Chil Young Ji

Dong-In Kim

Seung Hwa Kwon

Young Chang Kim

Ki Sung Jin

Jinho Kang

Jung Hoon Lee

Youngsoo Kim

Byoung-Hoon Kim

Yong Kim

Kyung Hun Jang

Chang Yong Shin

Hyo Sun Hwang

Myung Gil Kang

Jong-Hyun Park

Won Jae Shin

Dae-Won Kim

Hyun Gi Ahn

Won Jong Noh

Do Hyun Kim

Sun-Wook Kim

In Sun Lee

Seong-Woon Kim

Tae In Hyon

Sang Joon Park

Seong Mo Moon

Byeong-Thaek Oh

Myeong-Hoon Oh

Dong Kyoo Kim

Soo-Cheol Oh

Dong Yong Kwak

Kyu Jin Lee

Jinkyu Lee

Seung Yong Lee

Won Young Kim

Hyun-Seo Oh

Ji-Hyeok Choi

Chang-Soo Kim

Jingyu Kim

Sung Ik Jun

Boo Geum Jung

Myung In Ji

Kwang-Taik Kim

Youngsu Cho

Tae Yeong Kim

Jong-Bae Moon

Young Su Cho

Hyun-Kyun Choi

Gwang Ja Jin

Joon-Kyung Lee

Inhak Joo

Byung Doo Kim

Young Ho Park

Woo Jin Kim

Myung Hoon Cha

Kyong Ha Lee

Myungin Ji

Sung Sik Nam

Jae Myung Park

Youngnam Han

Sung Jo Yun

Sung Jin Hur

Jeong-Ho Park

Young Choon Woo

Jeong Woo Seo

Jin Ho On

Kyoung Soon Kang

Seungmo Kim

Young Bin Kim

Dong Soo Seo

Won Hyuk Choi

Sung-Joo Kang

Sungsik Nam

Disclosed are an electronic device and an operating method thereof. The electronic device and operating method are configured to detect the number for splitting one piece of content and allowing a plurality of edge nodes to split and store at least some of packets split from the content based on the number. Detecting the number may be performed based on an average amount of storage of the edge nodes for the content.

Method and apparatus for splitting and storing probalistic content between cooperative nodes

An electronic device is provided. The electronic device includes a communication circuit and a processor. The processor may be configured to obtain information on the number of predicted abnormal terminals, allocate different resources respectively to a plurality of terminal groups, wherein the number of the plurality of terminal groups is greater than the number of predicted abnormal terminals, obtain learning data of each of the plurality of terminal groups, and identify a final terminal group among the plurality of terminal groups, based on the learning data.

Wireless distributed learning system including abnormal terminal and method of operation thereof

Disclosed herein are a parameter server and a method for sharing distributed deep-learning parameters using the parameter server. The method for sharing distributed deep-learning parameters using the parameter server includes initializing a global weight parameter in response to an initialization request by a master process; performing an update by receiving a learned local gradient parameter from the worker process, which performs deep-learning training after updating a local weight parameter using the global weight parameter; accumulating the gradient parameters in response to a request by the master process; and performing an update by receiving the global weight parameter from the master process that calculates the global weight parameter using the accumulated gradient parameters of the one or more worker processes.

Parameter server and method for sharing distributed deep learning parameter using the same

A method and apparatus for optimizing average bit error probability via a deep multi-armed bandit in an orthogonal-frequency division multiplexing and index modulation system for low power communication are proposed. The method proposed in the present invention comprises: detecting BPSK symbols and subcarriers among all subcarriers; defining a combination of selected subcarriers as a subcarrier selection pattern; selecting the subcarrier selection pattern through learning to minimize the average bit error probability for all combinations of selected subcarriers; and updating a learning parameter of the subcarrier selection pattern selected through learning.

Method and apparatus for optimizing average bit error probability via deep multi-armed bandit in OFDM and index modulation system for low power communication

Disclosed are a multi-antenna system and a transmission and method based on index coding and beamforming thereof. A transmitter including a plurality of antennas may be configured to classify a plurality of receivers into at least one group, determine an index code for the group, design a beamforming matrix for the group, and transmit at least one of a plurality of files to the group through the antennas based on the index code and the beamforming matrix.

Multi-antenna system, and transmitting apparatus and method based on index coding and beamforming thereof

Provided is a method and apparatus for multi-antenna transmission to minimize a charging time of users in a wireless powered communication network. A power transmission apparatus may be configured to generate a covariance matrix to minimize a charging time of the power reception apparatus based on an amount of energy required by at least one power reception apparatus; to derive a beamforming vector using the covariance matrix; and to transmit a wireless power to the power reception apparatus based on the beamforming vector.

Method and apparatus for multi-antenna transmission to minimize charging time of users in wireless powered communication network

Disclosed herein are an apparatus and method for interfacing with common memory. The apparatus for interfacing with common memory includes a computer-input/output (I/O)-interface-protocol-processing unit for receiving a packet for accessing common memory from a computer; a direct memory access unit for transforming the packet into an instruction for performing any one of reading from and writing to the common memory; and a common memory interface unit for transmitting the instruction to the common memory and receiving information about whether execution of the instruction is completed from the common memory.

Apparatus and method for interfacing with common memory

The present invention discloses a torque converter for a vehicle in which the number of components is reduced and stability is improved in a long-travel torsional damper structure having springs that operate at two stages. The torque converter for a vehicle according to the present invention includes a front cover, an impeller, a turbine, a reactor, a lock-up clutch, and a torsional damper, and the lock-up clutch includes a clutch drum which is coupled to the front cover, multiple first friction plates which are coupled to the clutch drum, second friction plates which are disposed between the multiple first friction plates, and a retaining plate which has an extending drum portion to which the second friction plate are coupled and supports springs provided on the torsional damper.

Torque converter for vehicle

Disclosed herein is an apparatus for supporting setting of a network routing path, which includes a sub-cast list management unit for managing a sub-cast list that contains information about one or more other apparatuses for supporting setting of a network routing path with which the apparatus establishes a network session; a session management unit for simultaneously transmitting a SYNC message to at least some of the apparatuses included in the sub-cast list and establishing a network session with one of the apparatuses included in the sub-cast list in consideration of responses to the SYNC message; and a communication unit for transmitting data via the established network session.

Apparatus for supporting setting of network routing path and method for the same

Disclosed herein are a method and apparatus for virtual desktop service. The apparatus includes a connection manager configured to perform an assignment task of assigning a virtual machine to a user terminal using virtual desktop service, a resource pool configured to allocate software resources to a virtual desktop, wherein the software resources include an OS, applications, and user profiles, and a virtual machine infrastructure configured to support hardware resources including a CPU and a memory, wherein the connection manager is configured to perform a coordination task of coordinating a delivery protocol used between the user terminal and servers that provide the virtual desktop service, wherein the resource pool has a management function, wherein the management function is based on usage pattern information about a user's average usage of resources, and wherein the management function uses a physical distance on network from the user terminal to a server.

Providing a virtual desktop service based on physical distance on network from the user terminal and improving network I/O performance based on power consumption

A method includes generating preference information according to each of a plurality of base stations including at least one adjacent base station and transmitting the generated preference information to a serving base station, receiving, from the serving base station, information related to beams of the serving base station and the at least one adjacent base station determined based on the preference information, and receiving a signal by using the information related to the beams, wherein the information related to the beams includes beam information on a partial area in which interference signals transmitted by the at least one adjacent base station are aligned among a whole reception area of the terminal. A serving base station includes a controller configured to configure beams for a partial area in which interference signals transmitted by the at least one adjacent base station are aligned among a whole reception area of the terminal.

Method and apparatus for controlling interference in communication system using multiple antennas

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting a content using a cache memory, and a method for transmitting, by a relay node, a content using a cache memory according to the present invention may comprise the steps of: storing a first content, received from a serving cell, in the cache memory; storing a second content, received from an adjacent cell or the serving cell, in the cache memory; selecting a content to be transmitted to a user equipment (UE) from among the first content requested by the UE and the second content which acts as interference to the first content; and transmitting the second content to the UE.

Method and device for transmitting/receiving data using cache memory in wireless communication system supporting relay node

The present application discloses a method for receiving, by a terminal, data in a wireless communication system. Specifically, the method for receiving data comprises the steps of: receiving a first division code from a first helper node in a first time unit; overhearing a second division code transmitted from a second helper node to another terminal in a second time unit; and acquiring the data by using the first division code and the second division code.

Cluster-based collaborative transmission method in wireless communication system and apparatus therefor

A parameter-sharing apparatus includes a memory allocation unit for managing allocation of a memory area, in which a parameter is to be stored, to a memory box, and updating a mapping table stored in the memory box based on allocation management of the memory area, and an operation processing unit for providing the memory allocation unit with parameter information required for the allocation management of the memory area in which the parameter is to be stored and sharing the parameter stored in the memory box.

Parameter-sharing apparatus and method

Growing community of inventors

Seongnam, South Korea

Wan Gyun Choi