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| Number | Title | Issue Date |
| 8185108 | Multi-mode communication system and method thereof The present invention relates to a multi-mode communication system and a method thereof. The multi-mode communication system uses a first mode among a plurality communication modes for accessing a first mobility control entity (MCE) among a plurality of MCEs, and co... | 05/22/2012 |
| 8184606 | Apparatus and method for monitoring base station signal in communication system having multiple antennas In a signal monitoring apparatus of a base station of a communication system having multiple antennas, a transmitting/receiving unit transmits a plurality of transmit signals by using the multiple antennas or processes a plurality of receive signals received through... | 05/22/2012 |
| 8170147 | Apparatus for cancelling DC offset and method thereof An apparatus and method for canceling a DC offset efficiently removes the DC offset by calculating the DC offset after acquiring synchronization in a terminal receiver used for an orthogonal frequency division multiplexing system. The apparatus for canceling the DC ... | 05/01/2012 |
| 8165567 | Method and system for customizing user interface by editing multimedia content Disclosed is a method and a system for customizing a user interface by editing multimedia content, in which, when a user customizes the user interface displayed on a mobile communication terminal according to the preference of the user, the user edits the multimedia... | 04/24/2012 |
| 8160254 | Method for managing group traffic encryption key in wireless portable internet system The present invention relates to a method for managing a group traffic encryption key (GTEK) in a wireless portable Internet system. In the method, for higher security of a group traffic service such as a multicast service, a broadcast service, and a multicast-broad... | 04/17/2012 |
| 8145121 | Wireless communication system counting mobile terminals using MBMS The embodiments relate to a wireless communication system that counts UEs using an MBMS. The wireless communication system is connected with a UE through a radio link, and includes a Node B and a controlling radio network controller (CRNC). The Node B receives seque... | 03/27/2012 |
| 8134914 | Subcarrier allocation apparatus and method, subcarrier de-allocation apparatus and method in OFDM system A subcarrier allocating apparatus allocating data to be transmitted to a plurality of orthogonal subcarriers in an orthogonal frequency division multiplexing (OFDM) system is provided. The apparatus includes a logical index generator generating a logical index for a... | 03/13/2012 |
| 8130688 | Multimedia broadcast multicast service providing system and method thereof The present invention relates to a multi-media broadcast and multicast service (MBMS) providing system and a method thereof. The MBMS providing system provides an MBMS to a terminal having an MBMS function. The MBMS providing system includes a service center and a r... | 03/06/2012 |
| 8103273 | Cell search device of cellular system using OFDMA scheme and method thereof A cell search device using an appropriate preamble for a downlink of a cellular system using an orthogonal frequency division multiplexing access (OFDMA) scheme and a method thereof is disclosed. The cell search device for a terminal of a cellular system using an or... | 01/24/2012 |
| 8103254 | Method and system for providing multimedia ring back tone service by using receiver-side switching center Disclosed is a method for providing a multimedia Ring Back Tone (RBT) service by using a receiver-side switching center, which comprising the steps of: (a) receiving an ISDN User Part (ISUP) call connection request message including information (multimedia codec inf... | 01/24/2012 |
| 8094619 | Multi-mode multi-band mobile communication terminal and mode switching method thereof Disclosed is a multi-mode multi-band mobile communication terminal and a mode switching method thereof wherein a mode switching can be performed between an asynchronous network and a synchronous network by minimizing interruption in communication. According to the s... | 01/10/2012 |
| 8085906 | Method, system and apparatus for providing alternative multimedia ring back tone substitute service by using intelligent network Disclosed is a method, a system, and an apparatus for providing a sound source, which has been encoded by using an audio codec, as a ringback tone alternative having an improved quality by adaptively applying various audio codecs according to the service type so tha... | 12/27/2011 |
| 8082445 | Secure NFC apparatus and method for supporting various security modules Disclosed herein are a secure Near Field Communication (NFC) apparatus and method for supporting various security modules. The NFC apparatus includes an NFC unit, a protocol conversion unit and a security module. The NFC unit transmits information corresponding to a... | 12/20/2011 |
| 8081980 | Method and system for recovering from hand-off fail for use in CDMA 2000 1xEV-DO system A multimedia mobile communication system for recovering a handoff failure comprises: a hybrid access terminal; a base station transceiver subsystem for transmitting and receiving the voice and the data; a base station a mobile switching center a 1×EV-DO transceiver... | 12/20/2011 |
| 8081953 | Method for providing pictures to a digital frame based on home networks A method for providing pictures to a digital frame based on home networks is disclosed. A frame service server receives an image information message from user equipment which connects with a specific number. The frame service server grasps an IP of an RG installed i... | 12/20/2011 |
| 8074138 | Decoding apparatus and method thereof In a decoding apparatus in a portable Internet terminal, a channel encoded symbol received from a transmitter is decoded by one of a chase-combining scheme and a code-combining scheme selected based on an ID value of the subpacket indicating a start position of the ... | 12/06/2011 |
| 8072940 | Controlling method and data call handover method for dual band/dual mode mobile communication terminal In the data call handover method, the mobile communication terminal registers a Mobile Internet Protocol (MIP address) through an asynchronous mobile communication network and receives data call service when a data call connection event is initiated by the mobile co... | 12/06/2011 |
| 8064911 | Method of vertical handoff The present invention relates to a vertical handoff method. According to the present invention, a serving network of a mobile station is determined. Herein, the mobile station that can access a first network having relatively wide service coverage and a second netwo... | 11/22/2011 |
| 8036709 | System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof Disclosed herein is a mobile communication terminal and handover method therefor, which enable handover of a mobile communication terminal that is using a packet data service or is in a dormant state in a mobile communication network in which asynchronous and synchr... | 10/11/2011 |
| 8031770 | Systems and methods for objective video quality measurements Disclosed herein are systems and methods for evaluating video quality. The systems include a video transmitter and a video receiver. The transmitter generates feature parameters from a reference video to be transmitted and transmits the generated feature parameters ... | 10/04/2011 |
| 8014773 | Mixed mobile communication system of asynchronous communication network and synchronous communication network having handover function of mobile communication terminal, and handover method in the same In the mobile communication system, asynchronous and synchronous Mobile Switching Centers (MSCs) are interconnected via an Interworking Interoperability Function (IIF), and are connected to a Dual stack Home Location Register (D-HLR). The D-HLR stores and manages as... | 09/06/2011 |
| 8013746 | Method of providing alarm service upon movement out of safety zone Disclosed herein is a method of providing alarm service upon movement out of a safety zone in a mobile communication network. The method is implemented in such a way as to acquire past location registration information for a ward's mobile terminal designated by a su... | 09/06/2011 |
| 7983676 | Inter-system handover A method of handover in a wireless communication system in which an asynchronous system and a synchronous system are mixed is disclosed. The method comprises the steps of: the asynchronous system ordering a dual mode mobile terminal to perform a handover from the as... | 07/19/2011 |
| 7978855 | Method for allocating authorization key identifier for wireless portable internet system The present invention relates to a method for allocating an authorization key identifier in a wireless portable Internet system. In a privacy key management version 2 (PKMv2) of the wireless portable Internet system, a base station generates PAK identifier, PMK iden... | 07/12/2011 |
| 7978664 | Method for modem switching for use with MM-MB terminal A multimode-multiband terminal includes an RF antenna for transceiving a CDMA-2000 signal and/or a WCDMA signal; an RF transceiver for demodulating a WCDMA pilot signal received from the RF antenna and outputting the demodulated WCDMA pilot signal; a pilot signal me... | 07/12/2011 |
| 7970363 | Terminal and method for controlling transmission power A terminal of a communication system includes a power amplifier, an open-loop power controller, a gain controller, a modulator, and a digital/analog converter. The power amplifier amplifies transmission power of a transmission signal. The open-loop power controller ... | 06/28/2011 |
| 7969944 | Hand over method for dual band/dual mode mobile communication terminal The handover method includes the steps of the base stations of the synchronous mobile communication network transmitting dummy pilot signals for the asynchronous mobile communication network, the mobile communication terminal, for which call connection with the asyn... | 06/28/2011 |
| 7961789 | Method and apparatus for determining search range for adaptive motion vector for use in video encoder The video encoder in accordance with the present invention divides input image signal into macro blocks, estimates motion vectors of each macro block and finally encodes the input image signal. The encoder determines the number of macro blocks adjacent to a current ... | 06/14/2011 |
| 7936785 | Apparatus for generating and interpreting a data stream modified in accordance with the importance of the data An apparatus for generating a data stream having a series of segments using data organized in subsequent data frames, a data frame having more important and less important data. It comprises a packetiser for packetising data from a data frame into the series of segm... | 05/03/2011 |
| 7933262 | Method and system for providing integration theme pack service Disclosed is a method and system for providing an integration theme pack service in which, if a user receives an integration theme pack content from a content-providing server through a mobile communication terminal, the mobile communication terminal changes a backg... | 04/26/2011 |
| 7929924 | Mobile phone for controlling diversity A mobile phone includes a controller; a receipt adjusting unit for controlling receipt of the (RF) radio frequency signal and controlling receipt diversity under control of the controller; a first RF signal receiver for converting the RF signal received through the ... | 04/19/2011 |
| 7925234 | Method for maximal ratio combining of spatially filtered signals and apparatus therefor The present invention relates to a maximum ratio combining method of spatial-filtered received signals and an apparatus using the same. For this purpose the present invention provides a method for receiving signals by using a plurality of antennas that form a linear... | 04/12/2011 |
| 7912725 | Method and system for providing news information by using three dimensional character for use in wireless communication network Disclosed is a method for providing by a news information-providing server news information using a 3D character to a wireless communication terminal having accessed the news information-providing server through a wireless communication network, the method including... | 03/22/2011 |
| 7912419 | Methods and apparatuses for measuring transmission quality of multimedia data Methods and apparatuses for measuring transmission quality of multimedia data are provided. The method comprises the steps of a transmitter transmitting multimedia data through a channel, a receiver, having received the multimedia data from the transmitter, transmit... | 03/22/2011 |
| 7904059 | Method and mobile terminal for implementing vector animation interactive service on mobile phone browser Disclosed is a method for implementing a vector animation interactive service on a mobile communication terminal browser. The method includes the steps of: a) requesting a supply of a WAP page through a wireless Internet; b) downloading a WML script constituting the... | 03/08/2011 |
| 7894833 | Method and system for transmitting multimedia message transmitted from transmitting mobile station of higher version to receiving mobile station of lower version The present invention relates to a method and system for transmitting a multimedia message, which reconstructs a multimedia message to be appropriate for the receiving mobile station and transmits the reconstructed message, when the multimedia message is requested t... | 02/22/2011 |
| 7894815 | Device for providing hand-off quality of service of inter-access systems and method thereof The present invention relates to a device for providing a quality of service (QoS) of a hand-off between heterogeneous networks, and a method thereof. According to the present invention, the device includes a device for performing a QoS management function for each ... | 02/22/2011 |
| 7893834 | Power control method for mobile RFID reader and RFID reader using the same Provided is a power control method for a mobile Radio Frequency Identification (RFID) reader and an RFID reader using the same. The RFID reader includes: an RFID reader transmission/reception control unit for creating a message to be transmitted to an RFID tag and t... | 02/22/2011 |
| 7890250 | Navigation system and controlling method for the motor vehicle A navigation system (20) includes a transceiver unit (210), a display unit (250), an input unit (260) and an ECU (230). The transceiver unit (210) transmits a signal for demanding a detection of a navigation path to a path d... | 02/15/2011 |
| 7848754 | Dual band/dual mode mobile communication terminal and control method thereof The present invention relates to a dual band/dual mode mobile communication terminal, which can perform stable roaming between synchronous and asynchronous mobile communication networks. The mobile communication terminal of the present invention includes an antenna ... | 12/07/2010 |
