Electronics and Telecommunications Research Institute

Korea Institute of Science and Technology

Center of Human-centered Interaction for Coexistence

Other

Korea Advanced Institute of Science and Technology

Samsung Mobile Display Co., Ltd.

Dongwon Systems Corporation

Sai Technologies Corp.

Jun Sik Kim

Nam Hoon Park

Sang Chul Oh

Soon Gi Park

Kyong Tak Cho

Hyung Deug Bae

Seung-Que Lee

Byung-Han Ryu

Yong Seouk Choi

Jinseok Kim

Heesoo Lee

Bum-Jae You

Sungwook Yang

Jin Soo Lee

Sung Cheol Chang

Seok Bong Hyun

Seung Jae Bahng

Kyung Sook Kim

Jung Sook Bae

Seung Que Lee

SoonGi Park

Hyun Joon Shin

Minsu Jang

Sun Mi Jun

Young Chul Park

Soon Young Park

Il Gyu Kim

Young Jo Ko

Young-Jo Ko

Jung Min Park

Hyun-Tak Kim

Ki Yong Lee

DongSeung Kwon

Pyeong Jung Song

Byung Han Ryu

Nam Gyu Park

Byoung Deog Choi

Hong Soog Kim

Bongjun Kim

Sung Wook Jung

Young Jick Bahg

Ho Ryun Chung

Sung Gu Choi

In So Kweon

Hyun Min Kim

Jun Sin Yi

Kyumin Kang

Young Bae Hwang

Min Su Jang

Hyung Deung Bae

Seung Seo Park

Duk Kyung Kim

Gwang Hae Kim

Sun Shin Kwag

A method of a central unit (CU) may comprise: receiving, from a terminal, measurement information for radio access points; configuring a cluster using two or more radio access points among the radio access points based on the measurement information; and generating first data to which a cluster header including a cluster identifier of the cluster is attached; and transmitting the first data to the two or more radio access points, wherein second data generated in the two or more radio access points includes the first data and a packet data convergence protocol (PDCP) header, the CU performs a first partial PDCP function, and the two or more radio access points perform a second partial PDCP function.

Method and apparatus of data transmission for high capacity network

An operation method of a first cell in a communication system may include: receiving, from a first communication node that is an upper node of the first cell, a first signal including second cell configuration information of a second cell connected with the first communication node and a second communication node that is a lower node of the first cell; identifying, based on the first signal, that the first cell and the second cell are jointly operated by the first communication node as coordinative PCells; transmitting, to the second communication node, a second signal including information on joint operations of the coordinative PCells by the first communication node; and performing communication with the first communication node and the second communication node based on the joint operations of the coordinative PCells.

Method and apparatus for cell operation in communication system

An operation method of a terminal in a communication system may comprise: obtaining a plurality of serving beam measurement values by performing measurement on a plurality of serving beams; identifying a minimum measurement value among the plurality of serving beam measurement values; obtaining a plurality of beam measurement values by performing measurement on a plurality of beams received from a plurality of base stations included in the communication system; determining whether a first condition is satisfied, the first condition being defined based on a result of comparison between the plurality of beam measurement values and a sum of the minimum measurement value and a first offset; and in response to determining that the first condition satisfied, performing communication with at least part of the plurality of serving base stations and a first base station forming a first beam satisfying the first condition.

Method and apparatus for beam-based communication in communication system

The present invention relates to a sanitary faucet which, in the process of turning off water, enables washing a knob which is touched in order to turn the water on/off, and thus enables promoting the hygienic use thereof. The sanitary faucet comprises: a faucet housing which forms a water supply channel by being connected to water supply lines, and is provided with an outlet for discharging water; a water supply valve which is installed on the faucet housing and is operated by being pressed by a user so as to supply or shut off water in the supply channel; and a sanitary knob which is disposed between the outlet and the water supply valve in a state of being installed on the faucet housing such that the tilt thereof may be adjusted so as to press the water supply valve by being touched by the user, and is formed so as to extend to the front of the faucet housing so as to guide water discharged from the outlet to the front of the faucet housing when the water is supplied by the water supply valve, and holds a portion of the water while forming a levelled state when the water is supplied by the water supply valve, and when the water supply valve is shut off, forms a tilted state so as to guide the held water to the front of the faucet housing, thereby washing the portion which was touched by the user.

Sanitary faucet

A method for controlling base stations in a wireless communication system may include: performing a monitoring operation on a first base station forming a first cell in a predetermined communication area; determining whether the first base station needs to be replaced; when the first base station needs to be replaced, controlling a second base station to move in a direction of the first base station and form a second cell; when coverages of the first and second cells overlap fully or partially, decreasing a transmit power of the first base station and increasing a transmit power of the second base station; and in response to identifying that all of one or more communication nodes connected to the first cell are handed over to the second base station, determining that the first base station is successfully replaced with the second base station.

Method and apparatus for switching aerial base stations in wireless communication system

A beam alignment method performed by a first communication node in a communication system may comprise: identifying a position of a first antenna of the first communication node; configuring a first coordinate system based on a physical position and direction of the first antenna, based on information on the position of the first antenna; identifying a position of a second antenna of a second communication node of the communication system; converting information on the position of the second antenna into coordinate information based on the first coordinate system; calculating direction change values of the first antenna based on the information on the position of the second antenna, which is converted based on the first coordinate system; changing a direction of the first antenna based on the direction change values of the first antenna; and updating a beam alignment state between the first and second antennas.

Method and apparatus for controlling beam in wireless communication system

An automatic polarization control device and a method thereof are proposed. More particularly, the automatic polarization control device and the method thereof is provided to control a penetrated polarization direction of light incident on a camera by using electricity and generate a polarization image desired by a user.

Automatic polarization control device and method

An operation method of a central control apparatus in a communication system may include: configuring a unit cluster using a first transceiver and a second transceiver; performing first scheduling so that at least one port among N ports of the first transceiver and M ports of the second transceiver provides communication services to a service coverage of the unit cluster for each scheduling period in a beam sweeping scheme by using a first sub-frequency band; generating first scheduling information including information on identifiers of transceivers and indexes of ports proving the communication services for each scheduling period according to the first scheduling, and transmitting the first scheduling information to the terminal; and controlling the first transceiver and the second transceiver to communicate with the terminal according to the first scheduling information.

Method and apparatus for scheduling in communication system supporting ultra-high frequency and ultra-wide band

Embodiments relate to a torsion sensor device which measures a degree of torsion of a measurement object by using a fiber Bragg gratings (FBG) sensor, the sensor device comprising: an FBG sensor including a sensing unit formed in one section of an elongated optical fiber; and a fixing device for fixing and supporting the FBG sensor to cause displacement of the FBG sensor according to motion of the measurement object, wherein the fixing device includes a bending prevention member to enable the sensing unit to have torsion displacement without bending displacement, according to the motion of the measurement object.

FBG-based torsion sensor device

A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.

Motion capture system using FBG sensor

A method for operating cells, performed by a central unit (CU) using at least one antenna assembly arranged around a moving path of moving objects, may comprise forming a cell for each of at least two layers by using the at least one antenna assembly; and moving the cell at a speed configured for a layer corresponding to the cell, wherein the cell is connected to a moving object having a speed corresponding to the speed configured for the layer corresponding to the cell.

Method for operating very high frequency based access network, and apparatus for the same

In a communication environment using a millimeter wave band, a method and apparatus that enable a base station to process data are provided. A protocol stack is generated based on a characteristic of traffic that is provided to a terminal, and the generated protocol stack is allocated to the terminal. Data to be provided to the terminal is processed according to the generated protocol stack, and data that is processed through a beam that is allocated based on a position vector of the terminal is transmitted.

Method and apparatus for processing data in base station

A base station of a mobile communication system divides an ultra wideband into a plurality of unit bands, uses a plurality of beam component carriers corresponding to the L3 CP dedicated unit band as a coverage layer by grouping in one cell in the L3 CP dedicated unit band and uses a plurality of beam component carriers corresponding to the UP dedicated unit band in the UP dedicated unit band as a plurality of capacitor layers by grouping in a plurality of cells of a smaller size than that of the grouping.

Radio resource management apparatus of base station in mobile communication system and method of managing the same

Provided is a method of managing mobility of a user equipment. The method includes: establishing by a first base station a communication with the user equipment; transmitting by the first base station a Coordinated Multiple Point (CoMP) addition request to a second base station; establishing by the first and second base stations a CoMP communication with the user equipment according to the CoMP addition request; transmitting by the first base station an anchor cell change request to the second base station; and operating the second base station as an anchor cell of the CoMP communication according to the anchor cell switch request.

Method of managing mobility using coordinated multiple point communication

Growing community of inventors

Seoul, South Korea

Jun Sik Kim