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| Number | Title | Issue Date |
| 7479951 | Device for controlling touch panel Disclosed herein is a device including a differential amplification unit for supplying current to the touch panel; a signal amplification unit for amplifying the output voltage of the differential amplification unit; an analog-digital conversion unit for converting ... | 01/20/2009 |
| 7450909 | Apparatus and method for signal transmission and reception using downlink channel information in a sleep mode in a BWA communication system An apparatus and method for transmitting and receiving a signal according to a change of downlink channel information by a mobile station in a broadband wireless access communication system. The method includes: detecting the change of the downlink channel informati... | 11/11/2008 |
| 7436806 | Apparatus and method for symbol mapping TFCI bits for a hard split mode in a CDMA mobile communication system A method for mapping first coded TFCI symbols and second coded TFCI symbols to a radio frame in a transmission apparatus of a mobile communication system for encoding k first TFCI bits and (10−k) second TFCI bits, a sum of the first coded TFCI symbols and the seco... | 10/14/2008 |
| 7373250 | AGPS module time synchronization method and device using system time information in mobile terminal An Assisted Global Positioning System (AGPS) module time synchronization method and device using system time information in a mobile terminal that perform time synchronization using system frame information and a GPS module operation period in a process of searching... | 05/13/2008 |
| 7312655 | Apparatus and method for controlling bias adaptation bias of a high power amplifier An apparatus and a method for controlling a bias adaptation bias of a high power amplifier. In the high power amplifier, a coupling operation is performed with respect to an input signal with a predetermined voltage, an amount of attenuation used for attenuating a v... | 12/25/2007 |
| 7313116 | Method of performing inter-RAT measurement for a handover from NB-TDD to GSM A method of performing an inter-RAT measurement for a handover from NB-TDD to GSM is provided. A UE, as it moves from an NB-TDD Node B to a GSM cell, receives a measurement control message from the NB-TDD Node B. The UE then measures the strength of a signal receive... | 12/25/2007 |
| 7313119 | System and method for supporting mobility of mobile node using regional anchor point in future internet A method for maintaining data transmission from a corresponding node when a mobile node moves from a first access router to a second access router in a network system, the method comprising: transmitting using the mobile node a home address of the mobile node and a ... | 12/25/2007 |
| 7313126 | Control system and multiple access method in wireless communication system A multiple access method in a wireless communication system using a plurality of multiple access techniques is provided. When a call is established with a wireless terminal, the terminal transmits a duplexing mode determination factor to the base station to set a ti... | 12/25/2007 |
| 7310313 | Apparatus and method for controlling a reverse traffic rate in a mobile communication system For reverse transmission/reception of rate control bits, a receiver in a mobile station transmits a message indicating combinability of rate control bits received from several base station systems through signaling, thereby securing efficient transmission/reception ... | 12/18/2007 |
| 7310303 | Ranging method for mobile communication system based on orthogonal frequency division multiple access scheme Disclosed herein is a ranging method for a mobile communication system based on an OFDMA (Orthogonal Frequency Division Multiple Access) scheme. In the communication system for classifying a ranging procedure between a transmission side and reception sides into an i... | 12/18/2007 |
| 7308265 | Device and methods for acquiring a public land mobile network of a mobile station and providing public land mobile network information in a cellular communication system Methods for acquiring a public land mobile network (PLMN) of a mobile station and providing PLMN information of a base station in a cellular communication system and a base station capable of guaranteeing an acquisition of a home PLMN for registering a mobile statio... | 12/11/2007 |
| 7307974 | System and method for channel estimation in an OFDM mobile communication system A mobile communication system, a transmitter includes a first transmission antenna and a second transmission antenna, and the first and second transmission antennas transmit signals through at least one odd carrier and at least one even carrier. The transmitter dete... | 12/11/2007 |
| 7307973 | System and method for ranging for a fast handover in a mobile communication system A mobile communication system using an orthogonal frequency division multiplexing (OFDM)/orthogonal frequency division multiple access (OFDMA) scheme. The method for assigning ranging codes in the OFDM/OFDMA communication system includes classifying rangings between... | 12/11/2007 |
| 7307971 | Soft handover method for multimedia broadcast/multicast service in a CDMA mobile communication system A method for providing soft handover in a code division multiple access mobile communication system supporting multicast multimedia broadcast service. In an asynchronous mobile communication system supporting an MBMS service, when a UE moves to a region where it can... | 12/11/2007 |
| 7307563 | Apparatus and method for performing dithering in communication system using orthogonal frequency division multiplexing scheme Disclosed are an apparatus and a method for performing dithering in a communication system using an orthogonal frequency division multiplexing scheme. A method for adding dithering noise in a communication system employing an orthogonal frequency division multiplexi... | 12/11/2007 |
| 7308284 | Digital signal processing apparatus of communication terminal for adaptably transmitting voice data to allotted uplink channels and voice data transmission method thereof Disclosed is a digital signal processing apparatus of a communication terminal for adaptably transmitting voice data to allotted uplink channels and a voice data transmission method thereof. The digital signal processing apparatus comprises a plurality of speech cod... | 12/11/2007 |
| 7302629 | Apparatus and method for coding and decoding irregular repeat accumulate codes An apparatus and method for coding an irregular Repeat Accumulate (RA) code. A repeater repeats a received information word such that the information word corresponds to weights of a first information part and a second information part of a parity check matrix in wh... | 11/27/2007 |
| 7302620 | Interleaving.deinterleaving device and method for communication system A device for sequentially storing input bit symbols of a given interleaver size N in a memory at an address from 0 to N−1 and reading the stored bit symbols from the memory. The device comprises a look-up table for providing a first variable m and a second variabl... | 11/27/2007 |
| 7302238 | Transmit diversity system, method and computer program product A transmit diversity system, method, and computer program product which can prevent signal power from being wasted and also prevent interference between a plurality of beams. In the transmit diversity system, a transmitter transmits a signal after allocating the sig... | 11/27/2007 |
| 7302015 | Motion estimation method for moving picture compression coding A motion estimation method for moving picture compression coding that finds a motion vector at a high speed without degrading compression rate and image quality that includes estimating an initial motion point; performing a Newton-Raphson Method (“NRM”) using a ... | 11/27/2007 |
| 7300314 | Socket for trans-flash memory card A socket for installing a removable memory card in a device is provided having a hook switch mounted on a mainboard of a device and electrically connected thereto, and a sliding tray is insertable into the tray socket from a position extended from the device to make... | 11/27/2007 |
| 7301499 | Built-in type antenna apparatus for portable terminal Disclosed is a built-in type antenna apparatus for a portable terminal which separates an antenna from a slot antenna and includes an additional sub-antenna. The built-in type antenna apparatus includes a first planar antenna having a shorting point and a feeding po... | 11/27/2007 |
| 7301522 | Apparatus for controlling LCD backlight in mobile station There is provided an apparatus for controlling an LCD backlight in a mobile station to perform the operation of the mobile station in a dimming mode more effectively, and extend the maximum allowable operation time of the mobile station, the apparatus including a ba... | 11/27/2007 |
| 7301890 | STFBC coding/decoding apparatus and method in an OFDM mobile communication system A mobile communication system for modulating input data with a specific size into an OFDM (Orthogonal Frequency Division Multiplexing) symbol and transmitting the OFDM symbol through at least two different antennas. A replica generator generates replica data by cycl... | 11/27/2007 |
| 7301891 | Apparatus and method for reducing peak-to-average power ratio in an orthogonal frequency division multiplexing system A transmitter apparatus and method for reducing PAPR in an OFDM system. The transmitter apparatus performs a masking process on an input signal block using a plurality of mask sequences in an OFDM system, and selects a specific sequence having a lowest PAPR among IF... | 11/27/2007 |
| 7301927 | Apparatus and method for multimedia broadcast/multicast service in a mobile communication system A method and apparatus for providing an MBMS (Multimedia Broadcast/Multicast Service) service to user equipments (UEs) that desire to receive the MBMS service, in a code division multiple access (CDMA) mobile communication system including a plurality of radio netwo... | 11/27/2007 |
| 7302008 | Apparatus and method for efficiently distributing energy over a packet data channel in a mobile communication system for high rate packet transmission An apparatus and method for efficiently distributing energy to a packet data channel. A turbo encoder generates a sequence of systematic symbols and a sequence of parity symbols by encoding an information bit stream. An interleaver interleaves the systematic symbol ... | 11/27/2007 |
| 7302012 | Apparatus and method for symbol combining in a mobile communication system An apparatus and method for soft-combining demodulated symbols in a mobile communication system. In the mobile communication system, a transmitting apparatus modulates symbols in different modulation schemes and a receiving apparatus demodulates the modulation symbo... | 11/27/2007 |
| 7298804 | Receiving apparatus in a radio communication system using at least three transmitter antennas A receiver for receiving complex symbols in a radio communication system, in which a symbol arranger collects signals from at least three transmitter antennas through at least one receiver antenna over four time intervals; a channel estimator estimates at least thre... | 11/20/2007 |
| 7298797 | Transmitter and receiver provided in wireless communication system using four transmitting antennas An apparatus using transmitting antenna diversity to combat degradation due to fading in a wireless communication system. At least two symbols of four symbols to be transmitted through four transmitting antennas are rotated by predetermined phase values. An encoder ... | 11/20/2007 |
| 7298337 | Antenna device for a mobile phone Disclosed herein is an antenna device for a mobile phone having a body housing, a sliding housing for sliding up or down lengthwise along the body housing, a sliding module for connecting the sliding housing to the body housing in the manner that allows the sliding ... | 11/20/2007 |
| 7298323 | Apparatus and method for locating user equipment using global positioning system and dead reckoning An apparatus and method for locating a UE using a GPS and a dead-reckoning sensor are disclosed. At an initial time, the UE calculates its initial position and the initial position of a serving Node B using a received GPS satellite signal and calculates a first dist... | 11/20/2007 |
| 7299048 | System and method for performing soft handover in broadband wireless access communication system Disclosed is a system and method for performing soft handover in a broadband wireless access communication system. An anchor base station transmits first information including channel assignment information of an active non-anchor base station when it is determined ... | 11/20/2007 |
| 7292096 | Amplifier A high power amplifier having high efficiency, compact and low cost characteristics based on the simple circuit structure effectively used over a wide range of the output power. A control circuit controls power supply operations of the power supply unit such that a ... | 11/06/2007 |
| 7292193 | Method for tuning antenna module in portable wireless terminal and built-in antenna module using the same Disclosed is a method for tuning an antenna module in a portable wireless terminal and built-in antenna module using the same. According to the method and built-in antenna module, the built-in antenna module is provided with a plate type radiator defining a slot wit... | 11/06/2007 |
| 7292554 | Apparatus and method for transmitting a voice frame in an ALL-IP-based mobile communication system A method for transmitting voice traffic in an ALL-IP-based mobile communication system. A mobile terminal first transmits header information using a signaling frame, and then separately transmits only a voice frame. A Node B detects the header information from the s... | 11/06/2007 |
| 7292641 | Apparatus and method for transmitting/receiving preamble sequence in orthogonal frequency division multiplexing communication system using plurality of transmission antennas A method for generating a preamble sequence in an OFDM (Orthogonal Frequency Division Multiplexing) communication system that uses A sub-carriers in a frequency domain and uses N Tx (Transmission) antennas, includes the steps of: generating N sequences, each having ... | 11/06/2007 |
| 7292871 | Method for synchronizing mobile communication terminal with neighbor cell in call connection state A method for synchronizing a GSM (Global System for Mobile communication) mobile communication terminal with a neighbor cell in a call connection state the synchronization of the terminal with the neighbor cell during a time period of one frame other than transmissi... | 11/06/2007 |
| 7289768 | Portable terminal capable of guiding user to invoke a function and method thereof A portable terminal capable of guiding a user to invoke a function and a method thereof. In the portable terminal, a voice detector detects a keyword uttered by voice corresponding to a function; a display displays guide information for guiding a user to access the ... | 10/30/2007 |
| 7289833 | Apparatus and method for controlling opening and closing of sub-body in an automatically and manually foldable mobile communication terminal Disclosed are an apparatus and a method for controlling a correct position of opening and closing a sub-body (folder) in an automatic foldable mobile communication terminal. A sensor means is arranged in one end of a main-body and the sub-body, for detecting a fully... | 10/30/2007 |
