Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Hyuncheol Park

Young-hwan Kim

Jae-Hyon Kim

Girim Kwon

Hyewon Lee

Donghyun Lee

Seongmin Je

Yongyeon Lee

Yeonhee Lee

Sujin Yeon

Taeho Kim

Seungwon Lee

Jae-Seung Son

Junghyun Shim

Jaeseung Son

Hyejung Seo

Hyunwoo Nam

Ikjoo Byun

Hyunkuk Kim

Seong-soo Lee

Sangmin Kim

Minho Park

Young-Hwan Kim

Wonjae Shin

Junsuk Kim

Mi-Hyun Son

Sang-Min Han

Hyunjun Jung

Joonhyuk Kang

Sangbok Han

Seong-Soo Lee

Dowan Kim

Seongwook Jo

Sunggyu Lee

Jinhee Won

Daeung Jeong

Yungil Kim

Donguk Kwak

Kyungwan Han

Sunggun Bae

Daeyong Lee

Hyounkuk Kim

Seunggoo Lee

Soohan Yoo

Kwonhyung Lee

Changyong Yim

Seonjae Kim

HongSun An

Changhoon Lee

Donghwa Jeong

Min Young Hwang

Hyoujoo Kwon

Hwajeong Son

Isak Choi

Euijin Je

Eunmo Yang

Sunghyun Hong

Hyungsik Han

Yung-Il Kim

An electronic device is provided. The electronic device includes a communication module, a processor, and a memory storing instructions, the electronic device receives information indicating that a first external electronic device entered a designated space, from at least one anchor in the designated space, in response to receiving the information, establishes a communication connection with the first external electronic device using the communication module, after establishing the communication connection with the first external electronic device, receives a request of use authority of a first device among devices positioned in the designated space from the first external electronic device, identifies use authority set for the first external electronic device, based on information on the first device and information on the first external electronic device, and transmits information to the first external electronic device and the first device so the set use authority is applied to the first external electronic device.

Electronic device for setting authority of indoor map-based device and operating method thereof

This disclosure relates to a wideband extremely large array antenna system and an OFDM-based hybrid beamforming for hybrid-field interference control of the same. The wideband extremely large array antenna system for OFDM-based hybrid beamforming of this disclosure may include a transmitter having a plurality of transmit antennas, and a receiver capable of communication with the transmitter and having a plurality of receiving antennas, and the system may be configured to perform a first step for designing a common analog beamforming matrix for all subcarriers between the transmitter and the receiver, and a second step for designing a baseband beamforming matrix for each of the subcarriers.

Wideband extremely large array antenna system and OFDM-based hybrid beamforming method for hybrid-field interference control of the same

A ring-type wearable electronic device is provided. The ring-type wearable electronic device includes a ring-shape housing including a first housing portion and a second housing portion coupled to the first housing portion, wherein the second housing portion is configured to contact a finger of a user wearing the ring-type wearable electronic device, a first light source including a plurality of light emitters disposed in the ring-shape housing, and configured to emit light of red wavelength and infrared wavelength bands towards the finger, a first sensor disposed in the ring-shape housing, and configured to receive light emitted by the first light source, a second sensor disposed in the ring-shape housing, and configured to receive light emitted by the first light source, wherein the first sensor is positioned farther from the first light source than the second sensor is positioned from the first light source, a flexible printed circuit board (FPCB) disposed in the ring-shape housing, wherein the first light source, the first sensor, and the second sensor are disposed on the FPCB at least partially bent corresponding to the ring-shape housing, at least one processor including a processing circuitry, and memory storing instructions, wherein the instructions, when executed by the at least one processor individually or collectively, cause the ring-type wearable electronic device to: emit, by the first light source at a first time, first light of red wavelength and infrared wavelength bands, the first light being configured to reach the first sensor through the finger, based on the first light emitted by the first light source at the first time, obtain first information corresponding to part of the first light that is received by the first sensor via the finger, emit, by the first light source at a second time different from the first time, second light of red wavelength and infrared wavelength bands, the second light being configured to reach the second sensor through the finger, based on the second light emitted by the first light source at the second time, obtain second information corresponding to part of the second light that is received by the second sensor via the finger, and acquire an oxygen saturation information of the user based on at least one of the first information or the second information.

Wearable electronic device for obtaining biometric information

The present disclosure relates to a computer system for maximizing wireless energy harvesting using an intelligent reflection surface and a method thereof. A multi-path channel including a direct channel through which power is directed from an ET apparatus toward an EU apparatus and a reflection channel through which the power is directed from the ET apparatus toward the EU apparatus after being reflected by an IRS apparatus may be implemented. The computer system may be designed to maximize a gain of the multi-path channel in order to maximize the harvested power.

Computer system for maximizing wireless energy harvesting using intelligent reflecting surface and method thereof

A wearable electronic device and method are disclosed, including a display, a biometric sensor, a communication circuitry, and a processor. The processor implements the method, including: receiving a transmission including air quality information from an external electronic device equipped with a gas sensor, detecting, via a biometric sensor, biometric information of a user, identifying, via at least one processor, a dangerous situation based at least partly on the air quality information and the biometric information, and displaying a notification message indicating the identified dangerous situation through at least one of a display of the wearable electronic device, or the external electronic device, based on the identification of the dangerous situation.

Wearable device, system including electronic device and wearable device, and method

Cooperative resource allocation method and apparatus for downlink simultaneous wireless information and power transfer are proposed. A cooperative resource allocation method for downlink simultaneous wireless information and power transfer network, which is implemented through a central processor, according to one example of embodiments, may be configured to include allocating subcarrier for wireless information transfer and power transfer; and allocating power for wireless information transfer with the allocated subcarrier and divided transfer power.

Cooperative resource allocation method and apparatus for downlink simultaneous wireless information and power transfer network

According to various embodiments of the disclosure, an electronic device comprising a gas sensor, a motion sensor, a processor, wherein the processor is configured to acquire data related to air outside the electronic device by using the gas sensor, identify a movement of the electronic device by using the motion sensor while acquiring the data, correct, in case that the movement of the electronic device satisfies a designated condition, at least partial data in an interval in which a movement satisfying the designated condition continues, among the data; and produce information related to quality of the air, at least based on the data, the at least partial data of which has been corrected. Other embodiments may possible.

Method and electronic device for correcting and generating data related to outside air on basis of movement

Disclosed is an apparatus for measuring air quality, the apparatus comprises a first sensor circuit; a second sensor circuit; a third sensor circuit; a communication circuit configured to communicate with an external server; a display; a processor; and a memory, wherein the memory stores instructions that, when executed, cause the processor to: detect air quality related information by using the first sensor circuit, obtain at least one of movement information detected by using the second sensor circuit or adjacent environment information detected by using the third sensor circuit while the air quality related information is detected, determine validity of the air quality related information from using the first sensor circuit based on the adjacent environment information or the movement information, display the air quality related information from using the first sensor circuit or air quality related information received from the external server based on the determined validity.

Portable apparatus for measuring air quality and method for displaying information about air quality

An electronic apparatus for managing data based on a block chain and a method therefor are provided. The electronic apparatus includes a communication interface, a memory, and a processor to receive a request for accessing data from an authenticated user, generate first block information regarding the request by including information on the request and at least one second block information related to the request from among a plurality of second block information stored in the memory, transmit the generated first block information to at least one of a plurality of external apparatuses constituting a block chain, and update the plurality of second block information stored in the memory based on the generated first block information. The plurality of second block information includes information on a block regarding a latest access history by category among a plurality of blocks included in block chain data shared by the plurality of external apparatuses.

Electronic apparatus managing data based on block chain and method for managing data

A method for simultaneous design of a hybrid transceiver in an OFDM-based wideband multi-antenna system is provided. The method comprises: designing transmission/reception analog beamforming commonly used for each subcarrier by using product information of subcarrier channel information; and designing baseband beamforming for an effective channel of each subcarrier.

Method for simultaneous design of hybrid transceiver in OFDM-based wideband multi-antenna system

A communication system and an operating method thereof are for single carrier wideband hybrid beamforming based on limited feedback. A transmitter having a plurality of Tx antennas may be configured to receive limited channel information from at least one receiver each having at least one Rx antenna, schedule a RF beam for at least one stream in the receiver using the limited channel information, and perform baseband beamforming based on the RF beam.

Method and system for single carrier wideband hybrid beamforming based on limited feedback

A trustzone graphic rendering method in an operating system (OS) divided into a normal world (NWD) and a secure world (SWD) corresponding to a trustzone. The trustzone graphic rendering method includes generating an image resource used to generate a trustzone user interface (UI) in the NWD, transmitting the image resource from the NWD to the SWD, and generating the trustzone UI in the SWD, by separating and editing the image resource including a plurality of objects, wherein the separating and editing is performed in units of objects.

Trustzone graphic rendering method and display device using the same

Disclosed is a method and system for digital-analog hybrid beamforming in a millimeter wave downlink channel. A hybrid beamforming method in a downlink channel with respect to at least one user terminal belonging to a transmission apparatus includes receiving feedback information from each of the at least one user terminal; selecting at least one user terminal for transmitting a transmission signal based on the received feedback information; performing digital beamforming with respect to the selected at least one user terminal; and performing analog beamforming with respect to the selected at least one user terminal based on a prestored codebook. The codebook includes a desired number of subsets calculated based on a number of transmit antennas and a number of radio frequency (RF) chains, and each of the subsets includes a number of beamforming vectors corresponding to the number of RF chains.

Method and system for digital-analog hybrid beamforming in millimeter wave downlink channel

Disclosed are a method and an apparatus for controlling a quadrature amplitude modulation-filter bank multi-carrier (QAM-FBMC) system. A method of controlling interference is performed by a reception apparatus of the QAM-FBMC system, wherein the reception apparatus is paired with a transmission apparatus. The method includes receiving a pre-coded data symbol; and removing residual interference caused due to a non-orthogonal filter from the pre-coded data symbol by using a decision feedback equalizer.

Method and apparatus for controlling interference in QAM-FBMC system

A method and apparatus are provided for displaying a three dimensional (3D) image in a mobile communication terminal. The method includes displaying an image comprising at least one object; sensing a touch gesture selecting an object for changing a three dimensional depth of the object among the at least one object with the image displayed; checking the three dimensional depth of the selected object; determining the three dimensional depth of the selected object based on the checked three dimensional depth; and displaying the selected object reflecting the determined three dimensional depth.

Method and apparatus for displaying a 3D image in a mobile terminal

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Daejeon, South Korea

Hyuncheol Park