Abstract: A method and a lighting device for providing a Location Based Service (LBS) service providing a Location Based Service (LBS) based on Visible Light Communication (VLC) is provided. The method includes receiving, by at least one light source, data from a coordinator, the data including identification information of the at least one light source that corresponds to location information of the at least one light source, which is used by a terminal to identify a location of the at least one light source; and transmitting, by the at least one light source, the data to the terminal in a VLC signal.

Abstract: Disclosed is a control method of a communication system including at least one sensor that a user wears, a wireless communication apparatus and a coordinator.

Abstract: A method for performing handover between heterogeneous networks by a User Equipment (UE) in a wireless communication system is provided. The method includes periodically sending a first node a measurement report message while being provided a communication service from the first node using a first frequency band, the measurement report message including measurements for the first node and at least one other node using a different frequency band than the first frequency band, and exchanging information, required to perform handover to a second node having a greatest measurement among the at least one other node, with the second node if a handover preparation request message is received from the first node.

Abstract: Provided are a method of manufacturing graphene, carbon nanotubes, fullerene, graphite, or a combination thereof having a regulated resistance, and a material manufactured using the method.

Abstract: The present invention relates to a position compensation device using visible light communication and a method thereof. To this end, the present invention receives a visible light signal which includes lighting position information from a lighting device to extract the lighting position information from the received visible light signal, and calculates a compensated position of a position compensation device by using the extracted lighting position information if a request for position compensation exists, thereby providing an exact position of a user indoors.

Abstract: The present invention relates to an upstream ozone contact tank for removing residual ozone. The upstream ozone contact tank includes an inlet through which purified raw water flows, at least one contact chamber, at least one reaction chamber, an upstream contact chamber, and an outlet that discharges ozone-treated raw water. Especially, the invention provides an upstream contact chamber between the reaction chamber and outlet, wherein the upstream contact chamber includes carbonaceous filter media mounted on a porous plate. An openable gate unit is installed at the lower part of a panel partitioning a final reaction chamber and the upstream contact chamber and controls flow rate. Additionally, the invention enables upstream flow of the raw water flowing into the upstream contact chamber from the final reaction chamber so that the raw water may pass through the carbonaceous filter media upwardly.

Abstract: A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.

Abstract: A method and a device for performing communication in a wireless communication system are provided. In the wireless communication system, a transmitter determines a communication state for first devices using a first communication scheme for a first time interval, determines a duration of a second time interval to be allocated for the first devices, and transmits information on the second time interval having the determined duration to the first devices before the second time interval starts, wherein the first time interval and the second time interval are included in a frame allocated for a second communication scheme that different from the first communication scheme, wherein a frequency used for the first communication scheme is identical to a frequency used for the second communication scheme, and wherein a signal transmission operation of second devices using the second communication scheme is suspended during the first time interval and the second time interval.

Abstract: A method and a lighting device for providing a Location Based Service (LBS) service that is based on Visible Light Communication (VLC) in the lighting device is provided. The method includes receiving, from a terminal, a data request needed to perform an LBS service; and transmitting data to the terminal, the data including identification information of the lighting device, which is used by the terminal to identify a location of the lighting device and a location of the terminal located in the position corresponding to the lighting device.

Abstract: A terminal and a method for requesting data using a voice command is disclosed. The method includes setting a voice command mode on an information requestor terminal; receiving, during a data voice call, a voice command; recognizing, with the processor, the voice command to obtain voice command information; and executing a command based on the voice command information. The method further includes determining whether the voice command information is to be executed by an information provider terminal that is different than an information requestor terminal; transmitting the voice command information to the information provider terminal using a communication path used by the data voice call; and receiving a result of the executing from the information provider terminal.

Abstract: A method and apparatus for supporting mobility of a mobile terminal in a Visible Light Communication (VLC) system. The method includes searching, by the VLC device, for a first mobile terminal in a plurality of cells; locating the first mobile terminal in a first cell among the plurality of cells; exchanging data with the first mobile using a light source of the first cell; determining whether a response signal corresponding to data reception is received from the first mobile terminal in the first cell; searching for the first mobile terminal in a neighboring cell of the first cell, if the response signal is not received; and determining the neighboring cell as a second cell for visible light activation, if the first mobile terminal is located in the neighboring cell.

Abstract: A nanosensor may include a substrate that has a hole formed therein, a first insulating layer that is disposed on the substrate and has a nanopore formed therein, first and second electrodes that are disposed on the first insulating layer and are spaced apart from each other, first and second electrode pads that are disposed on the first and second electrodes, respectively, and a protective layer disposed on the first and second electrode pads. A method of manufacturing a nanosensor may include forming a first insulating layer, graphene, and a metal layer on a substrate, patterning the metal layer and the graphene, forming a protective layer on a portion of the graphene and the metal layer, exposing a portion of the graphene by removing a portion of the protective layer, forming a hole in the substrate, and forming a nanopore in the first insulating layer and the graphene to be connected to the hole.

Abstract: There is provided an alphabetic character input apparatus including a data storage unit configured to store therein alphabetic character assignment information of each of keys in an alphabetic character input section and a program for inputting an alphabetic character; a key input unit configured to detect a key manipulation signal of a user to select an alphabetic character assigned to each of the keys; and a memory configured to store therein alphabetic character assignment information of a key corresponding to a key manipulation signal lately input by the user such that the alphabetic character assignment information of the key is assigned to a clone key.

Abstract: A method and a system for operating a Mutual Broadcast Period (MBP) and Contention Access Period (CAP) for load control are provided. The proposed system and method is suitable for a short-range communication environment such as communication environment in or around the human body, and is for a mesh network communication environment in which one piconet is formed around the human body or a plurality of devices are connected. When signals carrying biometric information are periodically received from a plurality of sensor devices for medical purposes, the system and method may achieve efficient resource access by performing load control in a distributed manner, contributing to a reduction in access delay and power consumption and enabling appropriate QoS control.

Abstract: Disclosed is a method of controlling a communication system including one or more sensors attached to a user, a wireless communication apparatus, and a coordinator.

Abstract: The present invention relates to Corynebacterium sp. that is transformed with an Escherichia sp.-derived fructokinase gene to express fructokinase showing a sufficient activity of converting fructose into fructose-6-phosphate, thereby preventing unnecessary energy consumption, and a method for producing L-amino acids using the strain. The transformed Corynebacterium sp. of the present invention is able to express fructokinase from the Escherichia-derived fructokinase gene to prevent unnecessary energy consumption during fructose metabolism, leading to more cost-effective production of L-amino acids. Therefore, it can be widely used for the effective production of L-amino acids.

Abstract: An air-conditioner for a vehicle, may include a casing having an upper outlet and a lower outlet, with an air flow space defined in the casing and including an upper space and a lower space to guide air to the upper outlet and/or the lower outlet, an evaporator installed in the casing and selectively communicating with the upper outlet through the upper space, and a distributing partition wall to partition the lower space into a receiving space to receive a heating member therein and selectively communicate with the upper space and at least a partitioned space to communicate the heating member with the lower outlet, thus guiding the air to a side portion of the casing.

Abstract: A repeater for selecting a channel in a local communication system, and a method thereof are provided. A repeater of a local communication system includes a transceiver configured to perform at least one of transmitting and receiving a signal, and a controller configured to calculate a degree of interference of an available channel with an adjacent channel, the interference caused when a frequency band of the available channel overlaps partially with a frequency band of the adjacent channel, and to determine that the repeater is to use a channel having a smallest degree of interference as a channel.

Abstract: The method of manufacturing a graphene device includes forming an insulating material layer on a substrate, forming first and second metal pads on the insulating material layer spaced apart from each other, forming a graphene layer having a portion defined as an active area between the first and second metal pads on the insulating material layer, forming third and fourth metal pads on the graphene layer spaced apart from each other with the active area therebetween, the third and fourth metal pads extending above the first metal pad and the second metal pad, respectively, forming a first protection layer to cover all the first and second metal pads, the graphene layer, and the third and fourth metal pads, and etching an entire surface of the first protection layer until only a residual layer made of a material for forming the first protection layer remains on the active area.

Abstract: Disclosed is an image forming apparatus and printing media cassette thereof. The loading position of a loading plate of the printing media cassette can be varied based on the printing medium size by a capacity adjustment unit. The capacity adjustment unit may operate in association with the size adjustment guide so as to define the loading position based on the size of the printing media. The image forming apparatus can include the printing media cassette detachably received in the body thereof.