Abstract: An optical pen includes a body, a protrusion connected to the body and protruding in a first direction, a first light source configured to output light in the first direction, a second light source configured to output light in the first direction, a third light source configured to output light in a second direction crossing the first direction, a light sensor configured to receive external light; and a power controller configured to separately control power of the first light source and power of the third light source.

Abstract: The present disclosure relates to a smart pen and a display device using the same, in which a reflective light reception rate may be enhanced through a light output structure to increase a code pattern and code information recognition rate of a display panel. According to an embodiment of the disclosure, smart pen comprising a body portion, a pen tip portion formed on one end of the body portion to form a path of light emitted from a light emitting portion in an end direction at one side, a code detector detecting shape data for code patterns by applying light to the pen tip portion and receiving light reflected from a display panel and the pen tip portion, and a code processor generating coordinate data by using the shape data and transmitting the coordinate data to a main processor for driving the display panel.

Abstract: A deposition apparatus includes a shield member having a lattice shape in a plan view, the lattice shape including short side edges extending along a first direction and long side edges extending along a second direction, the short side edges including first and second short side edges, a bracket member including a first bracket member coupled to the first short side edge, and a second bracket member coupled to the second short side edge, a plurality of anode bars extending along the second direction and stably placed on each of the first bracket member and the second bracket member, and a target member covering the plurality of anode bars. An anode bar of the plurality of anode bars protrudes outward beyond at least one of the first bracket member and the second bracket member, and the anode bar is physically separated from the shield member by the bracket member.

Abstract: Disclosed are a CMOS temperature sensor for measuring a temperature and an operating method thereof. According to an embodiment, the CMOS temperature sensor for measuring the temperature may include a readout circuit that outputs a readout value by comparing a voltage value at a first end of a capacitor charging a charge based on a proportional current proportional to a temperature with an inverse proportional voltage inversely proportional to the temperature or comparing a voltage value at a second end of the capacitor formed at the other side of the first end with a ground voltage; and a control unit that determines a temperature based on an oscillation period of the readout value output from the readout circuit.

Abstract: The present invention relates to a novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3?-chloro-4?-fluoro-[1,1?-biphenyl]-2-yl)carbamate and a crystal form thereof. Also, the novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3?-chloro-4?-fluoro-[1,1?-biphenyl]-2-yl)carbamate and the crystal form thereof according to examples of the present invention have remarkably excellent stability, hygroscopicity and solubility.

Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.

Abstract: The present invention relates to a novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3?-chloro-4?-fluoro-[1,1?-biphenyl]-2-yl)carbamate and a crystal form thereof. Also, the novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3?-chloro-4?-fluoro-[1,1?-biphenyl]-2-yl)carbamate and the crystal form thereof according to examples of the present invention have remarkably excellent stability, hygroscopicity and solubility.

Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.

Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.

Abstract: A method for controlling a first node transmitting a transmission message to a plurality of second nodes may be provided. The method includes dividing the transmission message into at least one sub-message, encoding the at least one sub-message to a data stream, determining a first transmission direction of the data stream toward at least one of the plurality of second nodes, based on a polynomial of a channel gain between the first node and the at least one of the plurality of second nodes, and transmitting the data stream to the at least one of the plurality of second nodes, based on the determined first transmission direction.

Abstract: A method and apparatus for transmitting and receiving content are provided. Content data is multicast from a transmitter to each of receivers. Cooperative receivers among the receivers provide data lost during the multicasting with each other through cooperative reception between the cooperative receivers.

Abstract: A communication method of a macro base station, a macro terminal, a micro base station, and a micro terminal determines an interference control scheme for each interference condition between a micro cell and a micro cell and between a macro cell and a micro cell in a hierarchical cellular network, and controls interference in the hierarchical cellular network where a detailed operation for each determined interference control scheme, a message associated with the detailed operation, and a resource management scheme are defined.

Abstract: A method of multi-hop cooperative communication includes recognizing a plurality of relays capable of cooperating with one another to amplify or quantize and forward mixed signals received from a plurality of different nodes, selecting a transmission mode from a direct mode for transmission from a base station directly and a cooperation mode for transmission from the base station via the plurality of relays, transmitting data from the base station directly to a terminal through a first radio resource in the direct mode in response to the selected transmission mode being the direct mode, and transmitting data from the base station to the terminal via the plurality of relays through a second radio resource in the cooperation mode in response to the selected transmission mode being the cooperation mode.

Abstract: Communication methods of a macro base station which collects position information about a mobile micro base station and that is served by the macro base station, predicts a channel between the macro base station and the micro base station, and performs a handover between the macro base station and the micro base station based on a state of the predicted channel is provided.

Abstract: Provided is a communication method of a base station and a terminal for enhancing a recovery performance of a signal using a feedback control message. The feedback control message may include information about a target received power at the base station with respect to feedback information of each of a plurality of terminals and information associated with a feedback mode of the feedback information.

Abstract: A communication method in relay nodes and destination nodes for neutralization of aligned interferences in an interference channel is provided. A communication method of a first relay node in a network including a first source node, the first relay node, a first destination node, a second source node, a second relay node, and a second destination node, includes receiving, from the first source node, streams X and Y. The communication method further includes receiving, from the second source node, a stream Z. The communication method further includes generating a signal in which the streams Y and Z are aligned in a space. The communication method further includes transmitting, to the first destination node and the second destination node, the stream X and the signal.

Abstract: A method and an apparatus are described for a cooperative scheduling using interference between multiple points. For each link, a cooperation set is set including cooperation links for a cooperative scheduling. A cooperation session map is generated that defines a cooperation link selected from the cooperation set for each link in each session of a network. A cooperation group is determined to be scheduled simultaneously using the cooperation session map.

Abstract: Provided are multiple polarized input multiple output system and method for wireless communication which are capable of simultaneously transmitting respective data streams to a plurality of users by transmitting from multiple polarized input to multiple output in proportion to the number of polarized antennas or the number of polarizations used in a transmitter.

Abstract: A scheduling method and a scheduling apparatus based on physical layer network coding for bidirectional traffic are provided. The method includes setting up paths passing through a node to perform the physical layer network coding of the bidirectional traffic of sessions that pass through the node. The method further includes requesting, from neighboring nodes of the node, information to be used to schedule the sessions for the physical layer network coding. The method further includes scheduling the sessions for the physical layer network coding based on a queue differential of each session that is calculated based on the information, and a rate of each link of each session.

Abstract: Provided is an interference aligning method and apparatus that does not perform full feed-forwarding in a hierarchical cell communication. A macro base station may generate respective transmission beamforming vectors of macro terminals to null interference channels to pico terminals and to remove interference among the macro terminals. The effective interference channels are based on reception beamforming vectors of the pico terminals. The macro base station may transmit, to a macro terminal, a feed-forward indicator (FFI) indicating a method of transmitting information associated with a reception beamforming vector of the macro terminal. The macro terminal may obtain information associated with the reception beamforming vector based on the FFI.