Abstract: In a wireless communication system, a base station, a resource allocation device and method, a user equipment, a resource allocation reception device and method that utilize encoding and decoding techniques for transmitting through communication systems with uplinks and downlinks, the resource allocation information used to share transmission resources in a wireless communication system.

Abstract: A packet switched radio telecommunication system supporting hard handover adapts Always_on technology to a link between a target packet data serving node (PDSN) and a support PDSN. The support PDSN assigns a temporary IP address to a mobile terminal in its service area, and transmits handover data and the mobile terminal's temporary IP address to the target PDSN via a direct link when the mobile terminal leaves the service area. The target PDSN, upon receiving a registration request for the temporary IP address from the mobile terminal moved to its service area, temporarily registers the temporary IP address in an IP pool. The target PDSN receives down-link frame data for the mobile terminal at the temporarily registered IP address from the support PDSN via the direct link. A new temporary IP address is assigned by the target PDSN when data transmission/reception is complete to the mobile terminal.

Abstract: Disclosed is a wireless communication system including an apparatus and a method for feeding back channel information of a User Equipment (UE); a Base Station (BS) for receiving channel information of a UE and for communicating with the UE; and a communication method of the BS which can dynamically switch between Single-User Multiple-Input Multiple-Output (SU-MIMO) and Multiple-User Multiple-Input Multiple-Output (MU-MIMO) access schemes.

Abstract: A method for managing energy in a sensor network environment using a spanning tree includes the steps of collecting amount of remaining energy of nodes at a predetermined cycle by a base station in a region having a number of clusters a number of nodes forming a spanning tree in each cluster; assigning a number of links for connecting the nodes to each cluster; determining a maximum number of allowable links of the nodes; and updating the spanning tree based on the maximum number of allowable links.

Abstract: A mobile terminal and a method of controlling the operation of the same are provided. In the method, position information of a different bicycle user or bicycle riding course information is displayed. Riding information of the different bicycle user is displayed or the bicycle riding course information is changed according to weather or the like. The method provides a navigation screen for bicycle riding and supports prevention of bicycle theft and accident.

Abstract: A mobile terminal and method of controlling applications of the same are disclosed, by which each operation of all applications currently executed in a multitasking mode can be effectively controlled within one picture. The present invention includes executing a plurality of applications, displaying an execution picture of a first application among a plurality of the executed applications on a screen, and displaying a 3D polyhedron displaying a control window of at least one of a plurality of the applications except the first application on a corresponding facet of the 3D polyhedron on a screen in the course of displaying the execution picture of the first application.

Abstract: An electric device and its control method are disclosed. The electric device includes: a display unit; a receiving unit configured to receive paper; a sensing unit configured to detect at least one of a state of the received paper and a state of user's handwriting input to the received paper; and a controller configured to display a result value calculated based on the detection of the sensing unit on the display unit. A state of paper or a state of handwriting input to the paper is detected and a corresponding result value is displayed on the display unit, thus improving emotional quality of the electric device.

Abstract: A mobile terminal and controlling method thereof are disclosed, by which a terminal can be used in further consideration of user's convenience. The present invention includes displaying at least one object on a display unit of a touchscreen type provided to a front side of a housing of a bar type, if a first touch gesture is performed on the object, enabling the object to move from the main display unit via a first subdisplay unit provided to one lateral side of the housing to a second subdisplay unit of the touchscreen type provided to a backside of the housing, and if a second touch gesture is performed on the object displayed on the second subdisplay unit, enabling the object to move to the main display unit via the first subdisplay unit from the second subdisplay unit. Accordingly, when a touchscreen is attached to at least two sides of a mobile terminal, a terminal user is facilitated to use the mobile terminal in a manner of utilizing how to display the touchscreen provided to the at least two sides.

Abstract: A packet switched radio telecommunication system supporting hard handover adapts Always_on technology to a link between a target packet data serving node (PDSN) and a support PDSN. The support PDSN assigns a temporary IP address to a mobile terminal in its service area, and transmits handover data and the mobile terminal's temporary IP address to the target PDSN via a direct link when the mobile terminal leaves the service area. The target PDSN, upon receiving a registration request for the temporary IP address from the mobile terminal moved to its service area, temporarily registers the temporary IP address in an IP pool. The target PDSN receives down-link frame data for the mobile terminal at the temporarily registered IP address from the support PDSN via the direct link. A new temporary IP address is assigned by the target PDSN when data transmission/reception is complete to the mobile terminal.

Abstract: Provided is a zinc air fuel cell with enhanced cell performance, more particularly a zinc air fuel cell which includes a separator-electrode assembly including a perforated metal plate as a cathode current collector, a catalyst-coated carbon paper, a separator, a perforated metal plate as an anode current collector, and a tilted nonconductive support. Furthermore, a metal plate may be placed on the tilted nonconductive support and connected to the anode current collector in the separator-electrode assembly to enlarge the active area of the anode current collector. For the zinc air fuel cell according to the present invention, a manufacturing cost may be reduced by using a mixture of MnO2 and CeO2, which are low-priced metal oxides as catalyst materials for oxygen reduction, and by using a low-priced nylon filter, which has a micro-porous structure and shows high stability in alkaline electrolyte.

Abstract: Disclosed are apparatuses and methods for signal transmission/reception between a user equipment (UE) and a base station (BS) or cell in a wireless communication system in which a position of a US may be determined by identifying according to a positioning reference signal (PRS) pattern. By a method of transmitting PRSs using a more effective and efficient muting method, it is possible to reduce interference between multiple base stations that simultaneously transmit a same PRS pattern.

Abstract: A method for preparing carbon aerogels and carbon aerogels obtained therefrom are disclosed. The method for preparing carbon aerogels comprises: mixing organic starting materials including phloroglucinol and furfural with a solvent capable of dissolving the organic materials in a predetermined ratio to form a sol solution; adjusting pH of the sol solution adequately by using an acidic or basic catalyst, gelling the sol solution at room temperature under atmospheric pressure, and aging the resultant gels; substituting the solvent in thus obtained gels with liquid carbon dioxide, followed by drying in a supercritical state, to form organic aerogels; and pyrolyzing the organic aerogels in an electric furnace under inert atmosphere to obtain carbon aerogels. Particularly, the gels are formed at room temperature in a short period of time by adequately adjusting pH of the sol solution. Therefore, the method provides improved time efficiency and energy efficiency as compared to existing methods for preparing gels.

Abstract: The present disclosure is related to a method of inputting a command in a mobile terminal comprising; storing a table including at least one drawing pattern and a command on the each drawing pattern; receiving a user drawing on a touch screen; and determining a drawing pattern matching with the user drawing pattern by comparing the user drawing pattern and the table to execute a command corresponding the determined drawing pattern, and a mobile terminal using the same.

Abstract: A space-time coding apparatus receives two groups of inputs and outputs two groups of outputs. A configuration of each output group is based on spatial diversity and a configuration between the groups of outputs is based on spatial multiplexing. The space-time coding apparatus may include two spatial diversity coders whose outputs are each connected two spatial multiplexing coders. A plurality of antennas may be respectively connected to outputs of each spatial multiplexing coder. Coding coefficients are configured so that a first wireless receiving terminal corresponding to a first group of outputs receives only input signal components of a first group of inputs, and a second wireless receiving terminal corresponding to a second group of outputs receives only input signal components of a second group of inputs.

Abstract: A multi-antenna wireless transmission apparatus for multiple receiving terminals includes a channel characteristic acquiring unit to acquire characteristic parameters of a wireless transmission channel between a transmitting party antenna and a receiving party antenna, a coefficient calculator to use the characteristic parameters of the wireless transmission channel to calculate coefficients configured such that the transmitting party sets a ratio of received power for a transmission signal at the receiving party to intensity of interference and noise of the transmission signal, and a precoder to multiply an input signal by a matrix whose elements are the coefficients calculated by the coefficient calculator and to output an output signal. The output signal is to be transmitted from the transmitting party antenna to the receiving party antenna.

Abstract: A mobile terminal includes a sub-device that is attached thereto or detached therefrom, to remotely control the operation and state of the terminal. The mobile terminal includes: a sub-device having an input/output unit and attached to or detached from the terminal; and a controller configured to receive a user input via a certain communication path from the sub-device when the sub-device is separated, and control elements and applications of the terminal according to the user input.

Abstract: Provided are a method and an apparatus for generating pseudo random sequence to generate pseudo random sequences which have larger sizes and are different from each other in a wireless communication system; a method for generating pseudo random sequence in a wireless communication system, comprising generating a first output sequence, generating a second output sequence, and generating a third output sequence; and an apparatus to generate pseudo random sequence in a wireless communication system, comprising a first linear feedback shift register (LFSR), a second LSFR, and a third LFSR, a first initial value mapper, a second initial value mapper, a third initial value mapper, and an N delay operator.

Abstract: A mobile communication terminal is provided. The mobile communication terminal includes a memory, a touch screen, and a controller. The touch screen is configured to display an Internet address input window, at least a portion of an Internet page corresponding to an Internet address in the Internet address input window, and a virtual key pad. The controller is configured to generate a duplicate window of the Internet address input window in response to a first touch input performed on the Internet address input window, move the duplicate window in response to a drag operation, store the Internet address in a memory in response to dropping the moved duplicate window on a key in the virtual key pad, and generate a short-cut by assigning the stored Internet address to the key.

Abstract: An apparatus for allocating a resource in a wireless communication system using an orthogonal frequency division multiple access (OFDMA) scheme includes an analysis unit to analyze a signal received from a terminal over a channel to determine characteristics of the channel; an allocation unit to allocate a first frequency band to the terminal based on the characteristics of the channel; and a frequency hopping unit to perform frequency hopping from the first frequency band to a second frequency band after a first time period. A method for allocating the resource in an OFDMA wireless communication system includes analyzing a signal received from a terminal over a channel to determine characteristics of the channel, allocating a first frequency band to the terminal based on the characteristics of the channel, and performing frequency hopping from the first frequency band to a second frequency band after the first time period.

Abstract: Disclosed are a terminal in which a shape or configuration of a virtual keypad is transformable by considering user's convenience and a method for controlling the same, the terminal including: a display module configured to display a virtual keypad; a user input unit configured to receive a touch or drag input from a user; and a controller configured to transform the shape of the virtual keypad according to a dragged direction or dragged length when a spot of the virtual keypad is touched to be dragged in a specific direction.