Abstract: A mobile terminal for receiving digital broadcasting is disclosed. The mobile terminal includes a battery capacity detector, a digital broadcasting receiving unit, a power consumption amount database, and a controller. The battery capacity detector detects a current usable capacity of a battery, and the digital broadcasting receiving unit receives the digital broadcasting. The power consumption amount database stores information regarding the power consumption of components necessary for receiving and outputting the digital broadcasting.

Abstract: A method and an apparatus for providing an emotion expression service in a mobile communication terminal are provided. The method includes identifying, by the mobile communication terminal performing a video call with a calling terminal, information of emotion expression in images received from the calling terminal, and generating, by the mobile communication terminal, an event corresponding to the identified information of emotion expression.

Abstract: A correlation apparatus and method for frequency synchronization are provided. A frequency synchronization method of a receiver in a broadband wireless access communication system includes acquiring a highest correlation value by conducting a differential correlation of a variable interval between a received signal and a reference signal and performing a frequency synchronization according to the highest correlation value.

Abstract: A handwriting compound system is provided. The system includes a handwriting recognition module that receives a proper number of letters from a user, detects a distance between phonemes/syllables, and shapes and locations of the phonemes/syllables, and recognizes the user's handwriting. The system also includes a point designating module, a reference point setting module and a handwriting transforming module. The point designating module designates a particular one of the subdivided positions in each phoneme recognized by the handwriting recognition module. The reference point setting module sets a reference point, serving as reference for the alteration of a phoneme/syllable, inside or outside the user's input phoneme/syllable recognized by the handwriting recognition module. The handwriting transforming module designates x and y coordinates of a first point with respect to the reference point.

Abstract: An apparatus and method for supporting a Hot Plug Detect (HPD) function in a portable terminal using High Definition Multimedia Interface (HDMI) are provided. The apparatus includes an HPD unit for generating an HPD signal using an operation voltage of a first modem upon connecting to a display apparatus through an HDMI cable, the first modem for enabling a second modem upon detecting the HPD signal, and the second modem for outputting video data upon being enabled by the first modem.

Abstract: A dual connection member allowing a liquid crystal display unit and a keypad of a mobile phone to rotate and a hinge device thereof are provided. The dual connection member may be used in a mobile phone wherein the mobile phone includes a first housing, a second housing and a dual connection member for interconnecting the first housing and the second housing in such a manner that the second housing is rotatable about a first hinge axis toward or away from the first housing, wherein the first and second housings are connected to the dual connection member in such a manner as to be rotatable about third and second hinge axes, respectively, which extend perpendicular to the front and rear faces of the first and second housings, respectively, the third and second hinge axes being eccentrically positioned in relation to the centers of the first and second housings, respectively, and allowed to be slid as the first and second housings are rotated.

Abstract: An apparatus and method for obtaining information on Bluetooth devices in a computing device using Bluetooth are provided. The method includes, if an Inquiry Response (IR) packet is received as a response to an inquiry packet, obtaining information on a first Bluetooth device transmitting the IR packet and determining whether a supplementary response indication field is enabled and, if the supplementary response indication field is enabled, receiving an Extended Inquiry Response (EIR) packet, and obtaining information on at least one Bluetooth device other than the first Bluetooth device through the EIR packet.

Abstract: An apparatus and method for transmitting and receiving information through a fast feedback channel in a broadband wireless communications system are provided. The apparatus includes a generator for generating a quasi-orthogonal signal stream corresponding to a codeword to be fed back, a plurality of mappers for mapping the quasi-orthogonal signal stream to a plurality of bundles in the fast feedback channel by using different mapping patterns, and a transmitter for transmitting the quasi-orthogonal signal stream mapped to the plurality of bundles.

Abstract: An equalizer based receiver operation method and apparatus in a mobile communication system are provided. The method includes estimating a channel for a multi path receive signal, analyzing a delay profile of a multi path channel, and selecting a tap position from a plurality of tap positions of an equalizer depending on the analyzed delay profile.

Abstract: A cellular mobile telephone apparatus has circuits for generating messages, a storage circuit for storing messages, and transmitter/receiver circuit for transmitting a message. When the user of the cellular mobile telephone apparatus cannot immediately respond to an incoming call, a desired one of a plurality of previously generated and stored messages can be transmitted to a calling party through simple key manipulations or by other means.

Abstract: An apparatus and method for transmitting MAP by a base station in a wireless mobile communication system using a frame that includes a plurality of mini frames occupying a specific time period, each of the mini frames including a plurality of Resource Blocks (RBs) occupying a specific frequency band are provided. A number of RBs to be occupied by a data burst to be transmitted is determined. A first variable indicative of a number of mini frames to be occupied by the data burst is determined based on a resource amount corresponding to the number of RBs and an available resource amount of the mini frame. A second variable is determined based on the number of RBs and the first variable. MAP is transmitted that includes the first variable, the second variable, and information indicating RBs where a resource is allocated in a mini frame first located in a time domain among the mini frames to be occupied by the data burst.

Abstract: An apparatus and method for DC offset calibration in a system are provided. The method of a DC offset calibrator for calibrating a DC offset on a system transmission path includes variably setting offset values to be applied to transmit signals of a system, transmitting the variably set offset values to the system, measuring a DC component output value at an antenna end of the system for the transmit signals to which the variably set offset values are applied, and, when the measured DC component output value has a value allowable in the system, determining the variably set offset values as final offset values to be applied to the system.

Abstract: An apparatus and method for generating and parsing a MAC PDU in a mobile communication system are provided in which LCIDs of MAC SDUs to be multiplexed are checked, the length of an LF is determined for each of the MAC SDUs, referring to LF lengths predetermined for the LCIDs, a MAC header including the LCIDs and LFs of the determined lengths for the MAC SDUs is generated, and a MAC PDU is generated by attaching the MAC header to payload including the MAC SDUs. During the MAC header generation, if a padding size required for the MAC PDU generation calculated taking into account the absence of a last LF in the MAC header is larger than the length of the last LF, the last LF is included in the MAC header, the required padding size is recalculated, taking into account the inclusion of the last LF, and a padding is added according to the re-calculated padding size.

Abstract: A method for performing a Hybrid Automatic Repeat reQuest (HARQ) operation in a wireless mobile communication system that uses Frequency Division Duplex (FDD) or Time Division Duplex (TDD) frames each having a plurality of subframes for communication are provided, in which an HARQ timing including a transmission time of a data burst and a transmission time of an HARQ feedback, for DL HARQ is determined according to data burst assignment information transmitted in a #l DownLink (DL) subframe of a #i frame, and an HARQ operation is performed according to the determined HARQ timing. At least one frame index and at least one subframe index that represent the HARQ timing are determined by using l and i.

Abstract: A cellular mobile telephone apparatus has circuits for generating messages, a storage circuit for storing messages, and transmitter/receiver circuit for transmitting a message. When the user of the cellular mobile telephone apparatus cannot immediately respond to an incoming call, a desired one of a plurality of previously generated and stored messages can be transmitted to a calling party through simple key manipulations or by other means.

Abstract: A Doherty power amplification apparatus and method using a combined cell are provided. The Doherty power amplification apparatus includes, a power splitter for splitting an input power, and outputting the split powers to a carrier amplification unit and (N?1) peaking amplification units, wherein the carrier amplification unit, including M carrier power amplifiers, for amplifying power output from the power splitter; the (N?1) peaking amplification units, each of which includes M peaking power amplifiers, for amplifying the respective split powers output from the power splitter, and a power combiner for combining a power amplified by the carrier amplification unit and the respective split powers amplified by the (N?1) peaking amplification units, and for outputting the combined power, wherein N represents an integer obtained by adding a number of the carrier amplification units and a number of the (N?1) peaking amplification units, and M represents an integer which is equal to or more than 1.

Abstract: A system to support the testing of electronic devices and a temperature control unit for the system are disclosed. A temperature controlling method for a chamber of the system is also disclosed. Low or high temperature air is supplied to the inside of the chamber when the electronic devices are tested at low or high temperature. External air is supplied to the inside of the chamber when the electronic devices are tested at room temperature.

Abstract: A method of controlling a mobile terminal on an external device basis and an external device operation system using the same are provided. The system includes a connector for connecting an external device, a switch for determining a type of the external device connected to the connector and switching according to the type thereof, a transceiver to be connected, if the external device is an external device which requires a high speed data transmission, to the external device according to switching of the switch, and a USB switch to be connected, if the external device is an external device which does not require a high speed data transmission, to the external device according to switching of the switch.

Abstract: The present invention relates to a multiple antenna transmission system and a signal transmission method In the signal transmission method using multiple antennas, a plurality of subcarrier symbols are grouped as a plurality of groups including first and second tiles that are basic resource management units including two or more subcarriers included in a set frequency domain, phases of subcarrier symbols included in a first tile are shifted to be a first phase shifting value, and phases of subcarrier symbols included in a second tile are shifted to be a second phase shifting value that is different from the first phase shifting value.

Abstract: A method and an apparatus for reducing a handover delay in a broadband wireless communication system are provided. In a method for operating a terminal to reduce a handover delay in a broadband wireless communication system, a handover procedure is performed with a serving Base Station (BS) to obtain a dedicated ranging code and a Connection ID (CID). The dedicated ranging code is transmitted to one or more target BSs using the CID. Whether the dedicated ranging code is received is determined. Therefore, a handover delay and a chance of malfunction can be reduced.