Samsung Electronics Co., Ltd.

Snu Rdb Foundation

Seoul National University

Jonghan Lim

Taeyoon Kim

Seongwook Song

Chaeman Lim

Younghwan Lee

Mingoo Kim

Heunchul Lee

Yonghwan Lee

YongSuk Byun

Sungyoon Cho

Seungwon Choi

Hyungjong Kim

An interference cancellation method and apparatus for use in the wireless communication system is provided. The interference cancellation method of a Device-to-Device (D2D) terminal in a wireless communication system includes receiving interference signal information for use in cancelling a cellular interference signal acting as interference to the D2D terminal from a base station, cancelling the cellular interference signal from a received signal based on the interference signal information, and processing a D2D signal transmitted to the D2D terminal.

Method and apparatus for cancelling interference signal in wireless communication system

A stochastic channel state information transmission/reception method and apparatus is provided for use in a multiuser radio communication system. The signal method of transmitting and receiving signals in a terminal in a mobile communication system according to the present disclosure includes receiving a reference signal transmitted by a base station, estimating channel information based on the reference signal, predicting a channel estimation error based on the channel information, generating feedback information based on the channel estimation error, and transmitting feedback information to the base station.

Stochastic transmission/reception method and apparatus for MU-MIMO scheme in MIMO radio communication system

A system-on-chip (SoC) including: a first interface; and at least one application processor, configured to: receive location information from a communicator, the location information being associated with an electronic transaction; receive an identification of at least one access point from the communicator, the at least one access point being accessible to the communicator; generate an association data set including the location information and the identification of the access point; and transmit the association data set to the communicator, wherein the first interface is configured to provide communication between the at least one application processor and the communicator.

Method and apparatus for providing crowdsourcing services

The present invention relates to a method and a device for reducing the power of a device in a wireless communication system supporting direct device to device (D2D) communication. A method, for transmitting a signal of a device in a wireless communication system supporting direct D2D communication according to the present invention, comprises the steps of: entering sleep mode in direct D2D communication between a device and an opponent device; if data to be transmitted to the opponent device is generated, transmitting a paging signal for the opponent device to a base station connected to the device, thereby requesting transmission of the paging signal to the opponent device; and resuming the D2D communication with the opponent device that has received the paging signal through the base station.

Method and device for reducing power of device in wireless communication system supporting direct device to device communication

A method and an apparatus for cancelling interference in a wireless communication system are provided. The method includes acquiring interference signal information on a reception signal received from a base station based on a preconfigured constellation set, and cancelling an interference signal from the reception signal by using the acquired interference signal information. Accordingly, reception performance in a cell edge can be improved by acquiring dominant interference signal information.

Method and apparatus for cancelling an interference in wireless communication system

A method and an apparatus for controlling interference in a wireless communication system are provided. The method for controlling interference by a Base Station (BS) in a wireless communication system includes receiving an interfering cell signal transmitted by an interfering cell located adjacent to the BS, acquiring interference information based on the received interfering cell signal, and transmitting the acquired interference information to a User Equipment (UE). Because the BS acquires interference information between the BS and a neighboring cell and transmits the acquired interference information to the UE, the UE can effectively cancel interference at a cell edge area and the like, so that the system throughput of the entire wireless network can be significantly increased.

Method and apparatus for controlling interference in wireless communication system

A cell information transmission/reception method and an apparatus are provided for use in a wireless communication system. A cell information transmission method of a base station in a wireless communication system according to the present disclosure includes transmitting, by the base station, system information to a terminal, the system information including a neighbor cell list having at least one cell Identifier (ID), and transmitting, by the base station, cell information on at least one cell selected according to a predetermined rule based on the neighbor cell list to the terminal.

Cell information transmission/reception method and apparatus for use in wireless communication system

A mode switching method and apparatus of a terminal including a camera for acquiring motion information of a user and a plurality of operation modes for power management is provided. The mode switching method includes transitioning, when a motion of a first pattern is detected by the camera, the terminal from an active mode to a standby mode, transitioning, when a motion of a second pattern is detected by the camera, the terminal from the standby mode to an inactive mode, and transitioning, when a first mode switching input is detected in the inactive mode, from the inactive mode to the active mode, wherein the camera acquires the motion information of the user in at least one of the active mode and the standby mode.

Mode switching method and apparatus of terminal

A method and an apparatus for detecting signals in a cellular system are provided. The method includes estimating power of a dominant interference cell and detecting a signal by reducing a detection performance degradation caused by an interference signal of the dominant interference cell. The dominant interference cell includes a cell, other than a serving cell, causing an interference.

Signal detection method and apparatus

A method for selecting a Multiple-Input Multiple-Output (MIMO) mode based on energy efficiency and selecting an antenna subset to be used in a communication, in a wireless communication system using a multi-user massive multi-antenna is provided. The method selects an antenna subset capable of minimizing transmission power without using all antennas, based on power consumed by an Radio Frequency (RF) circuit as well as the transmission power. The method further includes selecting a mobile station to which the signal is to be transmitted, selecting a multi-antenna technique based on power consumption of all antennas, selecting an antenna subset to transmit the signal to the mobile station among all the antennas, and transmitting the signal to the mobile station by using the antenna subset.

Growing community of inventors

Seoul, South Korea

Jonghan Lim