Kt Corporation

Hak-Jin Chong

Yeon-Soo Kim

Kwang-Joon Lee

Youn-Suk Koh

Chae-Eun Hwang, Legal Representative

Yeongmi Hwang

Kun-Ho Yi

Methods and apparatuses for sharing a virtual image. An apparatus includes a virtual image creating unit which creates a moving virtual image, a virtual image registration requesting unit which requests a virtual image sharing server to register the virtual image created by the virtual image creating unit, and a virtual image sharing unit which receives the virtual image having the moving coordinates, which corresponds to current position information of the terminal device, from the virtual image sharing server.

System and terminal device for sharing moving virtual images and method thereof

A method for selecting an operational channel of a wireless narrow area network, a coordinator using the same, and a computer-readable recording media recording a program for realizing the method. More particularly, a method for selecting an operational channel of a wireless narrow area network in which one radio channel is occupied by a plurality of coordinators at different timings by selecting a predetermined period of a radio channel where a coordinator of the wireless narrow area network is used by another coordinator as own operational channel, a coordinator using the same, and a computer-readable recording media recording a program for realizing the method.

Method for selecting operational channel of network coordinator in wireless narrow area network and coordinator using the same

Provided is a method for localization message process. The method includes allocating cluster resources for recognizing a location of a mobile node, setting operation of each node by deciding a cluster operation state for the mobile node, measuring distances between the mobile node to each of anchor nodes, and recognizing a location of the mobile node.

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Seoul, South Korea

Hak-Jin Chong