Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Electronics and Telecommunications Research Institute

Ohyun Jo

Seok-Yong Lee

Sang-Hyun Chang

Chang-Yeul Kwon

Dong-Hwi Roh

Sung-Rok Yoon

Sungrok Yoon

Jae-Hwa Kim

Hyun-Moo Kim

Won-Bin Hong

Doyoung Jung

Ji-Sung Oh

Changyeul Kwon

Donghwi Roh

Eun-Young Seo

Dong Ho Cho

Jongho Oh

Jong-Ho Oh

Il-Suk Ko

Do-Young Jung

Woongsup Lee

Ki Song Lee

Dae-Young Lee

Hyun Ho Choi

Kyung Hun Jang

Kapseok Chang

Chang-Hyun Kim

Chang Yong Shin

Sunheui Ryoo

Tae Soo Kwon

Kang-jin Yoon

Moon-Sik Lee

Yong-Chan Lee

Jung Min Moon

Kilsik Ha

Jung-Min Yoon

Jungmin Yoon

Hee-Seung Kim

Kil-Sik Ha

Jung Ju Kim

Chang-hyun Kim

Dong-Hyuck Park

A method and apparatus for beamforming in a wireless communication system are provided. The method of supporting beamforming in a wireless communication device includes detecting a direction change of the wireless communication device while communicating with a peer device. The method of supporting beamforming in a wireless communication device also includes adjusting a beam direction for communication with the peer device based on information indicating a direction change of the wireless communication device.

Method and apparatus for beamforming in wireless communication system

The present invention relates to a method and a device for selecting a beam in a wireless communication system which uses a plurality of antennas such as an array antenna. A method according to one embodiment of the present invention is a method for selecting a transmission beam in a transmission device of a wireless communication device comprising a transmission device having a plurality of transmission array antennas, and a receiving device having receiving array antennas in the same number as the number of transmission array antennas, and the method comprises the steps of: determining antenna pairs by measuring the transmission rate of each of the receiving array antennas of the receiving device, individually for each array antenna; determining the number of transmission array antennas and individual transmission-array-antenna modes so as to transmit data according to the service requirements of data whose transmission is required, when data transmission is required; and transmitting data through the determined transmission array antennas.

Method and device for selecting beam in wireless communication system which uses a plurality of antennas

A method and apparatus for operating an electronic device is provided. The method includes transmitting, to a cover device, graphical data for displaying of the cover device, and detecting a user input on a display of the electronic device, wherein the displaying on the display of the cover device is interrupted based on the user input, wherein the cover device is capable of being folded, and wherein the cover device includes a first surface on which the display is located, and a second surface on which the electronic device is mounted.

Method and apparatus for communication between devices in wireless communication system

The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. An operating method of a first electronic device in a communication system is provided. The operating method includes detecting that a setup of a wireless connection with a second electronic device for a short range communication has been started; receiving, from the second electronic device, state information for determining a role of the first electronic device for the wireless connection; determining the role of the first electronic device based on the state information; completing the setup of the wireless connection based on the determined role; and communicating with the second electronic device through the wireless connection based on the determined role.

Method and apparatus for performing short range wireless communication in communication system

The present invention relates to techniques for a sensor network, machine-to-machine (M2M) communication, machine-type communication (MTC) and internet of things (IoT). The present invention may be applied to said technique-based intelligent services (such as smart home, smart building, smart city, smart or connected car, health care, digital education, retail business, and services associated with security and safety). A transmission apparatus of a wireless communication system according to an embodiment of the present invention comprises: a transmission unit for transmitting a compressed beacon frame by means of a plurality of transmission beams; a receiving unit for receiving information for the optimal transmission beam from among the plurality of transmission beams; and a control unit for controlling beamforming by means of a beam received from a terminal, wherein the data and header are compressed into a single frame in the compressed beacon frame.

Method and apparatus for controlling beamforming

The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to share data among electronic devices, a method for operating an electronic device includes determining an area where at least one other electronic device to share data is located based on an angle of view of a camera and a distance from a subject, transmitting a signal for identifying the at least one other electronic device located in the area, and transmitting the data to the at least one other electronic device. In addition, the present disclosure includes different embodiments other than above embodiment.

Data sharing method and electronic device therefor

A terminal in a communication system is provided. The terminal includes a transmitter configured to transmit a data frame including one preamble and a plurality of data blocks to another terminal by considering whether a preset signal is received, and a receiver configured to detect the preset signal from a signal received through an antenna while the data frame is transmitted by the transmitter.

Apparatus and method for transmitting and receiving signal in communication system

An apparatus and a method for performing a beamforming operation in an access point (AP) in a millimeter Wave (mmWave) communication system are provided. The method includes transmitting a directional reference signal (RS) in an RS transmission (Tx) interval, and transmitting a training signal in an interval different from an interval during which the directional RS is transmitted in the RS Tx interval based on beamforming patterns supported in the AP, wherein a length of the training signal is shorter than a length of the directional RS. The apparatus and the method relate to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE).

Apparatus and method for performing beamforming operation in millimeter wave communication system

A method and an apparatus for generating a synchronization signal in the Internet of things. In the method for generating a synchronization signal, subcarrier mapping may be performed by exchanging a signal allocated to an upper subcarrier group and a signal allocated to a lower subcarrier group among all subcarriers allocated for the synchronization signal with each other, in an in-band operation mode or a guard band operation mode of the Internet of things.

Method and apparatus for generating synchronization signal in internet of things

The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to a method and an apparatus for communication between devices in a wireless communication system, the method for communication of a terminal in a wireless communication system comprises the steps of: determining a resource section for communication between the terminal and an auxiliary device positioned within a critical distance; and performing the communication with the auxiliary device using the determined resource section, wherein the resource section may comprise at least one from among a waiting section which is unused for communication between terminals, a channel section which is occupied by another terminal, and a channel section which is occupied by a channel occupation request signal of the terminal.

The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present invention provide a device and a method for estimating a position between wireless apparatuses using a signal transmitted and received between wireless apparatuses in a wireless communication system. A device of a first wireless apparatus for estimating a position comprises: a transceiver for transmitting and receiving a signal to and from a second wireless apparatus; and a position estimator for estimating a position of the second wireless apparatus using a signal transmitted and received through the transceiver. The position estimator comprises a range estimator for estimating the distance between the first wireless apparatus and the second wireless apparatus on the basis of a first time difference from a time point at which a request range packet is transmitted to the second wireless apparatus to a time point at which the reception of a response range packet transmitted from the second wireless apparatus is sensed and a second time difference from a time point at which the reception of the required range packet is sensed by the second wireless apparatus to a time point at which the response range packet is transmitted.

Apparatus and method for location estimation in a wireless communication system

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). The present invention relates to a method and an apparatus in a communication system. A method of a network node in the communication system comprises the steps of: measuring at least one factor value indicating channel link performance of a channel link between the network node and another network node; identifying a beamforming training scheme based on the at least one factor value; and performing beamforming training with the another network node by means of the selected beamforming training method, thereby finding an optimal beam for maintaining services through the most efficient method according to a channel state and minimizing the time consumed for beamforming training.

Beam training method and device in communication system

A method of operating a transmission device in a wireless communication system includes: determining a reception state of a reception device; and performing beamforming based on the reception state.

Apparatus and method for managing radio link in wireless communication system

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Seoul, South Korea

Ohyun Jo