| KT CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120136996 | METHOD FOR MANAGING NETWORK AND FOR PROVIDING SERVICE QOS - Provided is a network management method of a network manager. The network management method includes monitoring events including state information of a managed element wherein the events are published by the managed element included in a network, and generating commands for an action performed in the managed element according to the events, wherein the events are subscribed by the network manager managing the network. | 05-31-2012 |
| 20120136935 | SYSTEM AND METHOD FOR PROVIDING MOBILE P2P SERVICE - A mobile P2P system includes a mobile tracker node and a super peer node. The mobile tracker node is located in a dedicated wired network operating in conjunction with an internet network to which a plurality of peer nodes are connected, and manages information of a plurality of mobile peer nodes connected to a wireless access network. A peer list containing information on one or more peer nodes having the content queried by the plurality of mobile peer nodes is transmitted to the mobile peer nodes, the one or more peer nodes including the mobile peer nodes and the peer nodes on the internet network. | 05-31-2012 |
| 20120129542 | DEVICE AND METHOD FOR CONTROLLING OVERLOAD - An overload control device is disclosed. In one embodiment, the device includes a load measuring unit configured to measure the load of a radio network controller, wherein the network controller is in data communication with a plurality of base stations and an overload determining unit configured to determine whether an overload has occurred in the network controller based, at least in part, on the comparison of the measured load and a predetermined load. The device may further include a call connection controller configured to limit a new call connection setting of at least one base station which has a total transmission output greater than an allowed transmission output. The total transmission output indicates a power output of the base station for transmitting at least one call during a predetermined period. The allowed transmission output may vary according to the determined overload. | 05-24-2012 |
| 20120116584 | APPARATUS AND METHOD FOR PROVIDING ROBOT INTERACTION SERVICES USING INTERACTIVE BEHAVIOR MODEL - An apparatus for providing robot interaction services using an interactive behavior model for interaction between a user and a robot includes: a control module having a behavior model engine for receiving an observation signal from the outside and determining and outputting an interactive behavior signal based on previously stored behavior and policy models; a robot application module for executing a robot application service and applying the behavior signal to provide the service; a robot function operating module having sensors for observing an external circumstance and a function operating means for performing behavior or function of the robot; and a middleware module for extracting external circumstance observation information and service history information and inputting the information to the control module as the observation signal, and for analyzing the behavior signal to generate and provide motion and function operating signals to the robot function operating module. | 05-10-2012 |
| 20120115511 | METHOD AND APPARATUS FOR LOCATION REGISTRATION UPDATE ON FAILURE TO INSERT SUBSCRIBER DATA IN MOBILE COMMUNICATION SYSTEM - A method for location registration update on failure to insert subscriber data caused by a location registration error in a mobile communication system, comprising (a) in the case of a change in subscriber data, a home location register transmitting the subscriber data to a first switching center in which location of a corresponding subscriber is registered, to request the first switching center to insert the subscriber data; (b) in the case of the first switching center's failure to insert the subscriber data, the home location register being notified of the failure; and (c) the home location register extracting a switching center group, to which the first switching center belongs, from a switching center group database for storing switching center data that is grouped according to geographical closeness, and transmitting a location registration update request signal to switching centers in the extracted group. | 05-10-2012 |
| 20120101885 | INTEGRATED PAYMENT METHOD USING NEAR FIELD COMMUNICATION AND MOBILE TERMINAL USING THE SAME - Disclosed herein is a method for performing an integrated payment using Near Field Communication (NFC). The method is performed using a mobile terminal. The mobile terminal receives Radio Frequency Identification (RFID) tag information from a payment system in an NFC scheme. The mobile terminal analyzes the received RFID tag information, and then extracts an integrated payment application which corresponds to the RFID tag information. The mobile terminal drives the integrated payment application and transmits discount benefit information to the payment system. | 04-26-2012 |
| 20120099595 | NETWORK INTERMEDIATE APPARATUS AND METHOD FOR UBIQUITOUS NETWORK AND UBIQUITOUS NETWORK SYSTEM USING THE INTERMEDIARY APPARATUS - Discloses is an ubiquitous network intermediate apparatus and intermediate method that supports various internet services in order that wired terminals can connect to the network without an additional network setting. An ubiquitous network intermediate apparatus according to the present invention comprises a terminal access device outputting a packet received from a terminal according to a source IP address of the packet to a preset virtual path, and outputting a response packet received through the virtual path to the terminal; and a home access device outputting the packet received from the terminal access device through the virtual path to a home router, and transmitting the response packet received from the home router to the terminal access device through the virtual path according to a destination IP address. | 04-26-2012 |
| 20120089513 | NEAR FIELD COMMUNICATION TERMINAL CAPABLE OF LOADING CARD WITH MONEY AND METHOD OF OPERATING THE SAME - Disclosed herein are an NFC terminal and a method of operating an NFC terminal. The NFC terminal includes an NFC unit and a payment unit. The NFC unit communicates with an external payment processing server. The payment unit pays for loaded money data while communicating with the payment processing server. | 04-12-2012 |
| 20120088496 | FEMTO ACCESS POINT AND METHOD FOR AUTOMATICALLY SETTING AREA CODE - Provided is a method for automatically setting an area code by a femto access point (AP) located in a coverage area of a macro cell. The method includes receiving a broadcast signal of the macro cell, extracting an area code of the macro cell from the received broadcast signal, and setting the extracted area code as an area code of the femto cell. The femto AP sets the same area code as that of the macro cell as its area code and transmits the area code of the femto AP to the mobile station, thereby preventing the mobile station from repeating the location registration and enabling the mobile station to receive the same paging message from the femto AP and the macro cell. | 04-12-2012 |
| 20120066387 | METHOD, APPARATUS AND SYSTEM FOR PROVIDING CONTENTS TO MULTIPLE DEVICES - In some examples, a contents providing apparatus that provides contents to multiple devices may include a user information management unit, a contents management unit, a contents usage information management unit, and a contents usage information searching unit. | 03-15-2012 |
| 20120066351 | METHOD AND SERVER FOR CONTINUOUSLY PROVIDING CONTENTS FOR MOBILE USER DEVICES BASED ON LOCATIONS THEREOF - Provided are a continuous contents reproduction service providing server, a user device, and a method of providing a continuous contents reproduction service for continuously providing contents to a plurality of devices. The server may include: a device management unit to store identification information of a first device and a second device; a service interruption monitoring unit to determine whether reproducing of contents in the first device is interrupted; a continuous reproduction information message transceiving unit to generate a continuous reproduction information message when the reproducing of the contents is interrupted, and to transmit the generated continuous reproduction information message to the second device; a continuous reproduction management unit to receive a request for a continuous reproduction service and to determine whether to continuously provide the contents to the second device; and a contents providing unit to provide the contents to the second device based on the determination. | 03-15-2012 |
| 20120023147 | SYSTEM AND METHOD OF PROVIDING CONTENTS FOR MOBILE COMMUNICATION TERMINAL - A system and method of providing content for a mobile communication terminal are disclosed. In one embodiment, the method includes i) receiving package list data for content from a mobile communication terminal, wherein the content is organized into a plurality of individual files, and wherein the package list data comprises individual ID, size and version data of each of the individual files stored in the mobile communication terminal and ii) comparing, at a content server, at least one of the sizes and individual version data of at least two files having the same individual ID that are stored in the content server and mobile communication terminal. The method may further include transmitting at least one individual file stored in the content server to the mobile communication terminal, wherein the at least one individual file has individual file data different from the corresponding file indicated in the package list data. | 01-26-2012 |
| 20120005727 | METHOD FOR USER TERMINAL AUTHENTICATION AND AUTHENTICATION SERVER AND USER TERMINAL THEREOF - Provided are a method for user terminal authentication and authentication server and user terminal thereof. The method includes receiving authentication request information for accessing a network from the user terminal, processing a EAP authentication procedure according to the authentication request information, transmitting a message related to the EAP authentication procedure to the user terminal, wherein the message includes network rejection information when network rejection is triggered, and the network rejection information includes network rejection reason information and control information for the user terminal to cope with the network rejection. | 01-05-2012 |
| 20110314531 | METHOD FOR USER TERMINAL AUTHENTICATION OF INTERFACE SERVER AND INTERFACE SERVER AND USER TERMINAL THEREOF - Provided are a method for authenticating a user terminal in an interface server, and an interface server and a user terminal using the same. The method includes receiving authentication request information from an application service providing server in order to request the interface server to authenticate the user terminal receiving an application service provided from the application service providing server, authenticating the user terminal according to the authenticating request information using an authentication method selected by the interface server or a user of the user terminal, and transmitting authentication response information including an authentication result of performing the authentication method to the application service providing server. The interface server provides an interface for a network to the application service providing server. | 12-22-2011 |
| 20110305218 | METHOD FOR REQUESTING AND REPORTING CHANNEL QUALITY INFORMATION IN WIRELESS PORTABLE INTERNET SYSTEM - A method for requesting and reporting channel quality information (CQI) in a wireless portable Internet system is disclosed. Timing of a channel quality information request by a base station is determined, existence of an automatic repeat request acknowledgment (ARQ_ACK) message of downlink data is determined on requesting the channel quality information from the subscriber station, the automatic repeat request acknowledgment message and the radio resource for the channel quality report to the subscriber station is allocated, the automatic repeat request acknowledgment message and the channel quality report information is received, and a modulating and coding level of downlink data is determined by extracting the channel quality report information form the automatic repeat request acknowledgment message. | 12-15-2011 |
| 20110273995 | REAL-TIME SERVICE MONITORING APPARATUS AND METHOD USING TIME STAMP - A real-time service monitoring apparatus and method using a time stamp is provided. The real-time service monitoring apparatus includes: a packet reception and classification block configured to generate a first time stamp whenever receiving a packet, and classify the received packet into a time synchronization packet or a real-time monitoring packet; a packet processing and switching block configured to process the classified packet depending on whether the packet is the time synchronization packet or the real-time monitoring packet, and switch the processed packet to a destination address; a packet classification and transmission block configured to classify the switched packet depending on whether the packet is the time synchronization packet or the real-time monitoring packet, generate a second time stamp for the classified packet, and transmits the packet; and a real-time monitoring block configured to compute a real-time monitoring parameters for each flow using the generated first and second time stamps, in order to monitor the real-time service. | 11-10-2011 |
| 20110261960 | METHOD FOR ALLOCATING AUTHORIZATION KEY IDENTIFIER FOR WIRELESS PORTABLE INTERNET SYSTEM - A method and authentication apparatus for sharing information for identifying an Authorization Key (AK) with a Base Station (BS) in a subscriber station are provided. The method includes, in the subscriber station, sharing a root key with the BS by performing an authentication with the BS, sharing an AK derived from the root key with the BS, sharing an AK sequence number of the AK with the BS, and sharing an AK Identifier (AKID) of the AK with the BS. The AK sequence number is generated by a sequence number of the root key. The AKID is generated by a parameter including the AK, the AK sequence number, a Medium Access Control (MAC) address of the subscriber station, and a BS Identifier (BSID) of the BS. | 10-27-2011 |
| 20110261800 | SYSTEM AND METHOD FOR SUPPORTING NETWORK MOBILITY BASED ON IDENTIFIER-LOCATOR SEPARATION - A system and method for supporting network mobility based on identifier-locator separation, provides seamless session services to terminals inside the mobile network by enabling a variety of tunnel routers (home tunnel router, visit tunnel router, etc.) on network to store/manage mobile network mapping information for network mobility. The system for supporting network mobility based on identifier-locator separation includes: a mobile router configured to register mobile network identification information in a home tunnel router, and support communication with the home tunnel router, on behalf of mobile network nodes located in a home network; and a home tunnel router configured to support communication with a correspondent node by using tunnel router mapping information, and support communication with the mobile router by using mobile network mapping information. | 10-27-2011 |
| 20110237308 | TOUCH INFORMATION COMMUNICATION TERMINAL, TOUCH SCREEN INFORMATION PROVIDING APPARATUS AND TOUCH INFORMATION COMMUNICATION METHOD THEREOF - A touch information communication method transmits notification information to the touch screen information providing apparatus by carrying the notification information, which notifies a touch communication terminal is a touch communication terminal, on a call signal in a telephone communication network; receives touch screen information and touch control information corresponding to the touch screen information from the touch screen information providing apparatus; and when a user touches a predetermined area on a screen, determines the touched area and transmits touch input information corresponding to the touched area to the touch screen information providing apparatus. | 09-29-2011 |
| 20110230177 | METHOD AND SYSTEM FOR RESTORING TRANSFERRED MOBILE TERMINAL BY MOBILE TRANSFER SERVICE - The present invention relates to a method and system for restoring a transferred mobile service by a mobile transfer service. | 09-22-2011 |
| 20110200006 | HANDOVER METHOD OF MOBILE TERMINAL BETWEEN HETEROGENEOUS NETWORKS - The present invention relates to a handover method of a mobile terminal between heterogeneous networks. The present invention may provide a handover method ensuring service continuity between heterogeneous networks by transmitting an IP address of a mobile terminal to a mobile IP management server and activating or inactivating a PDP context when the mobile terminal connected to one of a mobile communication network or a wireless LAN is handed over to the other. | 08-18-2011 |
| 20110188700 | APPARATUS FOR INSERTING WATERMARK AND METHOD THEREFOR - There are provided an apparatus for inserting a watermark and a method therefor. The apparatus for inserting a watermark includes a watermark pattern image receiving unit that stores a watermark pattern image including a preset bit value; a watermark information generation unit that stores watermark information including binary tracking information generated based on at least one of a user ID value and a terminal ID value; and a watermark insertion unit that receives watermark pattern images corresponding to bit values of the stored watermark information from the watermark pattern image generation unit, and overlays the watermark pattern images in sequence on a display screen. | 08-04-2011 |
| 20110164588 | MOBILE TERMINAL AND METHOD OF PERFORMING HANDOVER - Enclosed are a mobile terminal and a method of performing handover. The mobile terminal is connected to a selected network among a plurality of networks sensed in accordance with the movement of the mobile terminal so that handover is performed between different networks and that a service used by the mobile terminal is continuously provided. Therefore, the convenience of a user is improved and network utility is improved. | 07-07-2011 |
| 20110145110 | INDEX INFORMATION MANAGEMENT DEVICE AND METHOD ACCORDING TO CHARGING PERIOD IN SERVICE LEVEL AGREEMENT SYSTEM - An index management device of a service level agreement system includes: an external link processor for receiving a customized service request for requesting a different service per subscriber received by a subscriber subscription management system; a quality manager for extracting needed information from output information from the external link processor; an index management interface for checking a characteristic of the output information from the quality manager and an information management method; a table storage unit for storing index information of the service level agreement system; and an index manager for managing the index information stored in the table storage unit according to the customized service request and a request from the index management interface. | 06-16-2011 |
| 20110138040 | SYSTEM AND METHOD FOR MANAGING CUSTOMIZED SERVICE LEVEL AGREEMENT MONITORING - A system for managing customized SLA monitoring for providing a customized SLA monitoring service is linked with an external system to receive an external index order for a customer line subscribed in the service. The system reflects demands of the customer included in the external index order on SLA management data to update the SLA management data. Further, the system uses the updated SLA management data to determine whether to monitor with the external system and the customer line according to the result of the determination. | 06-09-2011 |
| 20110007899 | SYSTEM FOR SUPPORTING OVER-THE-AIR SERVICE AND METHOD THEREOF - Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes an OTA server for, when OTA data is requested by a mobile terminal, encrypting the requested OTA data using a preset OTA key depending on the type of the requested OTA data, and creating a message for providing the encrypted OTA data; and a message center for receiving the created message, and sending the created message to the mobile terminal. | 01-13-2011 |
| 20110004873 | SYSTEM FOR CONTROLLING SMART CARD AND METHOD THEREOF - A system for managing smart cards is disclosed. A system for managing smart cards, comprises a key management server for managing at least one master key used to grant the right to manage a smart card which operates in conjunction with a mobile terminal, and generates an installation key, used to grant the right to install or store a predetermined applet, based on the master key, and a card management server for receiving the generated installation key, and provides the applet to the mobile terminal based on the installation key in response to a request from the mobile terminal. | 01-06-2011 |
| 20110003582 | SYSTEM FOR SUPPORTING VIDEO MESSAGE SERVICE AND METHOD THEREOF - A system for supporting a video message service and method thereof is disclosed, a system for supporting a video message service comprises a video message center for when a calling-party mobile terminal is connected via a video call, creating a video message having a preset size based on video data received via the video call according to the reception authentication information of a called-party mobile terminal, and transmitting the created video message using a preset transmission method according to the reception state of the called-party mobile terminal and an authentication server for performing an authentication procedure on the called-party mobile terminal so as to transmit the video message, and provides reception authentication information, based on the results of the authentication procedure, to the video message center. | 01-06-2011 |
| 20100322425 | SYSTEM FOR SUPPORTING OVER-THE-AIR SERVICE AND METHOD THEREOF - Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes a mobile terminal for, when a message is received from an OTA server, dividing OTA data, included in the message, into data segments of a predetermined size depending on a size of the message, and a smart card for receiving each of the data segments, decrypting the data segment using a preset OTA key, and storing the decrypted OTA data in a preset area. | 12-23-2010 |
| 20100321379 | SERVER FOR PROVIDING THREE-DIMENSIONAL CONTENTS AND METHOD THEREOF, AND TERMINAL FOR THREE-DIMENSIONAL DISPLAY - The present invention relates to a 3D contents providing service. A 3D contents providing server includes a 3D contents providing request receiver for receiving a 3D contents providing request through a communication network, a subscriber manager for checking a communication terminal to which the 3D contents will be provided when the 3D contents providing request is received, a 3D contents selecting extractor for receiving 3D contents selecting information to be provided to the checked communication terminal and extracting the selected 3D contents, and a 3D contents provider for providing the extracted 3D contents to the communication terminal, and the 3D contents include side information provided to the communication terminal and output by the communication terminal. | 12-23-2010 |
| 20100317285 | ARRANGEMENT METHOD OF THE DISTRIBUTED REPEATER AND SYSTEM THEREOF - The present invention relates to a method of arranging distributed repeaters and distributed repeater system in a mobile communication system. In a method of arranging at least one base station and repeaters in a mobile communication system, a base station cell is formed and N repeater service areas are formed at boundaries of the base station cell. A base station is arranged at the center of the base station cell and N repeaters are arranged at boundaries between the base station service area and the repeater service areas. The number of repeaters is determined and output powers of the base station and the repeaters are determined according to a ratio of a base station service radius (R) to each repeater service radius (r). Accordingly, UARI or DARI is decreased, and coverage holes and excessive coverage overlaps can be remarkably reduced, so that network average capacity can be improved. | 12-16-2010 |
| 20100309859 | SESSION CONTROL METHOD FOR USE IN RADIO COMMUNICATION SYSTEM - A session control method for use in a radio communication system is provided. In the session control method, a session management (SM) protocol message for the setting or the cancellation of a session is transmitted with the aid of a radio resource control (RRC) protocol message of a lower layer for the setting or the cancellation of a radio bearer. Therefore, it is possible to reduce the number of signalling messages to a radio interface and thus to minimize signalling delays. In addition, it is possible to realize a many-to-one correspondence between services and bearers and realize efficient packet services in an evolved radio communication system by separately defining service identifiers and bearer identifiers and selectively setting or cancelling a bearer according to the correspondence between services and bearers. | 12-09-2010 |
| 20100309292 | METHOD AND APPARATUS FOR GENERATING MULTI-VIEWPOINT DEPTH MAP, METHOD FOR GENERATING DISPARITY OF MULTI-VIEWPOINT IMAGE - There are provided a method and an apparatus for generating a multi-viewpoint depth map, and a method for generating a disparity of a multi-viewpoint image. A method for generating a multi-viewpoint depth map according to the present invention includes the steps of: (a) acquiring a multi-viewpoint image constituted by a plurality of images by using a plurality of cameras (b) acquiring an image and depth information by using a depth camera; (c) estimating coordinates of the same point in a space in the plurality of images by using the acquired depth information; (d) determining disparities in the plurality of images with respect to in the same point by searching a predetermined region around the estimated coordinates; and (e) generating a multi-viewpoint depth map by using the determined disparities. According to the above-mentioned present invention, it is possible to generate a multi-viewpoint depth map within a shorter time and generate a multi-viewpoint depth map having higher quality than a multi-viewpoint depth map generated by using known stereo matching. | 12-09-2010 |
| 20100295943 | REAL-TIME RFID POSITIONING SYSTEM AND METHOD, REPEATER INSTALLATION METHOD THEREFOR, POSITION CONFIRMATION SERVICE SYSTEM USING THE SAME - Provided are to a real-time RFID location determination system for accurately determining a location of a mobile object using radio frequency identification (RFID) in real-time, a method thereof, and a method for installing a wireless repeater such as a RFID reader or a RFID reader and an access point (AP) using the same. The location determination system includes: a wireless repeater for identifying a radio frequency identification (RFID) tag by communicating with the RFID tag attached or installed at a target object to determine a location thereof, wherein the wireless repeater is installed a urban facility and a location of the target object is determined based on a coordinate of a corresponding urban facility as a reference point. | 11-25-2010 |
| 20100290431 | METHOD AND SYSTEM FOR FAST HANDOVER BETWEEN DIFFERENT NETWORKS - A method for fast handover between a 3GE network and a WLAN is provided. When a network change event that represents that a received WLAN signal can disappear or be captured is generated based on the WLAN signal, a terminal receives information on a new access router (NAR) to be used after handover from a previous access router (PAR) to which the terminal is currently connected using a network identifier, and all packets transmitted from the terminal to the PAR are buffered in the NAR. The NAR transmits all the buffered packets to the terminal when receiving a fast neighbor advertisement (FNA) message from the terminal to perform fast lossless handover. | 11-18-2010 |
| 20100232510 | METHOD AND APPARATUS FOR ENCODING MULTIVIEW VIDEO USING HIERARCHICAL B FRAMES IN VIEW DIRECTION, AND A STORAGE MEDIUM USING THE SAME - The invention provides a method of encoding a multi-view video and an encoder capable of calculating global disparity between pictures at different viewpoints in the multi-view video and forming a hierarchical B picture in both view and time directions on the basis of the calculated global disparity, thereby improving encoding efficiency. According to an embodiment of the invention, there is provided an encoder for encoding data for pictures captured at different viewpoints in a multi-view video. When a picture at one of the first and last viewpoints is encoded into an I picture, the encoder encodes a picture that is captured at the other viewpoint but is disposed in the same time direction into an VP picture. | 09-16-2010 |
| 20100197350 | METHOD AND APPARATUS FOR CONTROLLING THE UICC APPLICATION FILE - A method and an apparatus of controlling an application dedicated file included in a universal integrated chip card (UICC) in a mobile station are disclosed. In one embodiment, the method includes analyzing an element file directory (EFDIR) stored in the UICC to check whether there are a plurality of application dedicated files that perform a same function; and activating one of the plurality of application dedicated files corresponding to a predetermined execution information according to the checked result. With at least one embodiment of the present invention, one UICC can provide a plurality of USIM application files and a user can select any one of the plurality of USIM application files. | 08-05-2010 |
| 20100182976 | METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS - When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block. | 07-22-2010 |
| 20100166074 | METHOD AND APPARATUS FOR ENCODING OR DECODING FRAMES OF DIFFERENT VIEWS IN MULTIVIEW VIDEO USING GLOBAL DISPARITY - The present invention relates to a method and apparatus for encoding a multi-view video and a method and apparatus for decoding a multi-view video, and more particularly, to a method and apparatus for encoding a multi-view video and a method and apparatus for decoding a multi-view video that can perform encoding and decoding in consideration of global disparity between pictures captured at two different viewpoints to remove spatial redundancy. An embodiment of the invention provides an encoder for compressing data for pictures captured at different viewpoints using global disparity in a multi-view video. The encoder includes: an input unit that receives pictures captured at two or more viewpoints; a reference picture generating unit that generates a new reference picture on the basis of the global disparity between a target picture and a reference picture; and a motion predicting unit that calculates motion vectors of the target picture on the basis of the reference picture. | 07-01-2010 |
| 20100150017 | DEVICE AND METHOD FOR LINK BALANCING DETECTION - A method of detecting a link balance of coverage of a down link and an up link in a WCDMA system is disclosed. The method includes setting a minimum receiving signal code power (RSCP) by using system information received from a base station, setting a maximum terminal Tx power for transmitting radio waves to the base station from a communication terminal according to the minimum RSCP, setting a reference value of a link balance detection quotient for detecting whether the up link and down link coverage has a defect by calculating the minimum RSCP and the maximum terminal Tx power, measuring a RSCP and a terminal Tx power from the communication terminal, and detecting the balance of the down link and up link coverage by comparing the reference value of the link balance detection quotient with a value calculated according to the measured RSCP and terminal Tx power. | 06-17-2010 |
| 20100144336 | SYSTEM FOR PROVIDING APPLICATION AND MANAGEMENT SERVICE AND MODIFYING USER INTERFACE AND METHOD THEREOF - Disclosed is a system for downloading an application from a server and providing the same to a client by using a short message or a subscriber interface module (SIM) card. The system modifies a function key for each application according to a client's selection, and randomly modifies a user interface used for selecting an application. The system extends a usage range of the SIM card. The system periodically checks and analyzes the client' use log for a predetermined time, presents at least one application to the client according to the analysis result on the use log, provides a single application selected by the client to the client, and updates at least one application stored in the client mobile terminal according to the analysis result on the use log. Therefore, the system increases service satisfaction for the client. | 06-10-2010 |
| 20100136955 | SYSTEM FOR PROVIDING APPLICATION AND MANAGEMENT SERVICE AND MODIFYING USER INTERFACE AND METHOD THEREOF - Disclosed is a system for downloading an application from a server and providing the same to a client by using a short message or a subscriber interface module (SIM) card. The system modifies a function key for each application according to a client's selection, and randomly modifies a user interface used for selecting an application. The system extends a usage range of the SIM card. The system periodically checks and analyzes the client' use log for a predetermined time, presents at least one application to the client according to the analysis result on the use log, provides a single application selected by the client to the client, and updates at least one application stored in the client mobile terminal according to the analysis result on the use log. Therefore, the system increases service satisfaction for the client. | 06-03-2010 |
| 20100125736 | METHOD AND SYSTEM FOR SHARING CONTENTS WITH REMOVABLE STORAGE - Disclosed is a content sharing method and system using an external memory. A method for transmitting encrypted contents to an external memory device list includes receiving a device list and public keys for devices, encrypting a domain key by using a public key to generate at least one device domain key, and transmitting the device domain key to the external memory. The method for performing encrypted contents further includes checking a public key of a device, extracting a device domain key corresponding to a public key checked by at least one device domain key stored in an external memory, decoding the extracted device domain key, decoding the encrypted contents by using the decoded device domain key, and performing the decoded encrypted contents. According to the present invention, since a single piece of contents stored in an external memory is reproducible by a plurality of devices, the existing problem of repeatedly settling the single piece of contents is solved and external memory resources are efficiently used. | 05-20-2010 |
| 20100120356 | REPEATER EQUIPPED WITH ATTENUATOR AND VARIABLE ATTENUATION METHOD IN THE REPEATER AND SYSTEM FOR REMOTELY MANAGING THE SAME - A repeater relays at least one frequency band signal between a base station and a service side, includes at least one variable attenuator for variably attenuating each of at least one frequency band signal, variably attenuates an input signal that is received from the base station through the variable attenuator, and transfers the input signal to the service side. Further, a remote management system of the repeater communicates through the repeater and a mobile communication network and includes a repeater management server for requesting to change an attenuation value of the variable attenuator to the repeater when the input signal is an excess input signal. When an excess input signal is received in the repeater using the repeater and a remote management system of the repeater, an input signal level of the repeater can be remotely adjusted and an input signal level of the repeater can be managed without directly going out to the location, so that a maintenance cost of the repeater can be reduced. | 05-13-2010 |
| 20100104097 | SYSTEM AND METHOD FOR UCC CONTENTS PROTECTION - The present invention relates to a user created contents protection system and method. Copyright protection for protecting contents on user created contents is performed by using a contents upload server or a user terminal including a digital rights management (DRM) packager. Therefore, copyright protection of the user created contents is performed, and a user that legally provides user created contents can be rewarded. Also, when illegally distributed user created contents are generated, a person having initially attempted to distribute the contents is tracked to clarify responsibility. | 04-29-2010 |
| 20100100526 | BUSINESS LOGIC DEVICE AND PROCESSING METHOD - A business logic device and processing method is disclosed. In one embodiment, the method includes i) receiving a request message for performing a biz template from the open interface processing unit, ii) analyzing the received biz template performing request message and performing the biz template by cooperating with a legacy cooperation processing unit and iii) composing a message for a result of performing the stored biz template and transmitting the composed message to the open interface processing unit. | 04-22-2010 |
| 20100091728 | METHOD FOR ALLOCATING RADIO RESOURCES - Provided is a method for allocating radio resources in a mobile telecommunication system. The method for allocating a downlink radio resource in a base station includes retrieving a downlink radio resource allocated to a first mobile terminal if the first mobile terminal does not have a downlink packet, continuously checking whether or not there is a new downlink packet for the first mobile terminal, and retrieving a radio resource allocated to a second mobile terminal if there is a new downlink packet for the first mobile terminal and reallocating the retrieved radio resource to the first mobile terminal. | 04-15-2010 |
| 20100046662 | DIGITAL CLIPPING METHOD FOR A TRANSMITTER OF AN ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - The present invention relates to a digital clipping method for reducing a high peak-to-average power ratio (PAPR) of a transmission signal in a transmitter of an orthogonal frequency division multiplexing access (OFDMA) system. In the method, a) the transmission signal to be digitally clipped is divided into real and imaginary parts, b) magnitudes of the real and imaginary part signals are divided into a plurality clipping levels, and c) the transmission signal is respectively clipped by comparing the real and imaginary part signals with the plurality of clipping levels while allowing phase errors. In c), a plurality of comparators is used to respectively compare the real and imaginary parts of the complex number transmission signal with the plurality of clipping levels. | 02-25-2010 |
| 20100023625 | TERMINAL UNIT FOR HANDLING SESSION ON THE BASIS OF SESSION INITIATION PROTOCOL, METHOD OF TRANSMITTING AND RECEIVING THEREOF - According to the present invention, a service is configured by a plurality of sessions and respective session negotiation requests defined by different media formats can be performed without influencing existing connected sessions, and hence it is easy to add, delete, and change the media, the contact of session negotiation can be specified, and the response to the session negotiation request can be processed easily with the service acceptance or rejection of the contact. | 01-28-2010 |
| 20090327113 | METHOD AND SYSTEM FOR DETAILED ACCOUNTING OF PACKET DATA - A method and apparatus for detailed accounting of packet data are disclosed. According to one embodiment of the present invention, on receiving a duplicated HTTP request from a packet duplication apparatus, a billing apparatus extracts an access address to generate a first hash value. Then, on receiving a converted HTTP response from the packet duplication apparatus, the billing apparatus extracts a second hash value from the duplicated HTTP response to compare with the first hash value. If the first hash value and the second hash value are the same, the billing apparatus sets the HTTP REQUEST and the converted HTTP response as a transaction to generate billing data. Thus, the billing apparatus can generate accurate billing data. | 12-31-2009 |
| 20090322152 | ISOLATION CONTROL HIGH SPEED TRANSFER SWITCH FOR UNINTERRUPTIBLE POWER SUPPLY, POWER SUPPLY SYSTEM USING THE SWITCH AND ISOLATION CONTROL HIGH SPEED TRANSFER SWITCHING METHOD - Disclosed is a UPS isolation control high speed transfer switch for switching a power supply path of a UPS to a bypass line and a power supply system equipped with the high speed transfer switch. The switch is isolated from the UPS and detects the output power of UPS, and switches a power supply path from a normal power line to the bypass line, by turning off the transfer switch of the bypass line after turning off an output breaker of a normal power line when the output power is deviated from a preset normal range. Furthermore, the switch performs a switching to the bypass line only when the output breaker of the UPS is actually turned off, after confirming the turn-off of the output breaker when switching the power supply path to the bypass line. | 12-31-2009 |
| 20090303988 | Communication System for Home Automation Using Advanced ADSL - Communication system for home automation using advanced asymmetric digital subscriber line (ADSL) is provided. Communication system for home automation using advanced ADSL includes: a home automation communication server means for providing home automation service; a home automation service channel means for interchanging data through wire or wireless line of baseband signal with object apparatus of home automation, the home automation service channel means included in ADSL terminal; and a home automation service multiplexing means for connecting the home automation communication server means and home automation service channel means through baseband signal, the home automation service multiplexing means included in ADSL connection apparatus. | 12-10-2009 |
| 20090299885 | BILLING DEVICE AND PROCESSING METHOD - A billing device and processing method is disclosed. In one embodiment, the method includes i) collecting a billing log according to performing a biz template at the business logic processing unit, ii) verifying validity of the collected billing log, iii) performing a standardizing process on the verified billing log, iv) generating billing data by applying a predetermined billing policy according to the standardized billing log, v) generating a billing file (MDR) to transmit to a billing legacy system of a mobile communication system using the generated billing data and vi) transmitting the generated billing file (MDR) to the billing legacy system. | 12-03-2009 |
| 20090298473 | OPEN INTERFACE DEVICE AND METHOD - An open interface device and method is disclosed. In one embodiment, the method includes i) receiving a standard application program interface (API) input for performing a biz template from a CP/SP, ii) generating a session key of the biz template, iii) performing an authentication process for a biz template requested by the CP/SP, iv) transforming the received standard API input from the CP/SP to a biz template performing request message by analyzing the received standard API input and transmitting the biz template performing request message to the business logic processing unit, v) receiving the biz template performing result message from the business logic processing unit and transforming the received biz template performing result message to a message format to transmit to the CP/SP and vi) transferring the biz template performing result message to the CP/SP. | 12-03-2009 |
| 20090286561 | SYSTEM AND METHOD FOR MULTIMEDIA SERVICE OF MOBILE COMMUNICATION NETWORK - A multimedia service providing method in a telecommunication network is disclosed. In one embodiment, the method includes (a) communicating, at a message providing server, data with first and second mobile terminals in an Internet protocol (IP) based mobile communication network, (b) receiving, at a message providing server, a short message from the first mobile terminal, wherein the short message indicates that the first mobile terminal requests a multimedia service from the second mobile terminal, and wherein the short message comprises a predetermined header field to determine whether the message requests the multimedia service and (c) transmitting the short message to the second mobile terminal, wherein the transmitted short message is configured to control the second mobile terminal to set a packet data protocol (PDP) session, for performing the multimedia service, with the first mobile terminal. | 11-19-2009 |
| 20090278931 | VIDEO DATA TRANSMISSION SYSTEM FOR REMOTE-MONITORING AND REMOTE-MONITORING EQUIPMENT USING THE SAME - A video transmitter for remote monitoring includes at least one transmitter and a concentrator. The at least one transmitter is installed in the establishment to be monitored and connected to a predetermined number of surveillance cameras, receives video signals of the surveillance cameras in parallel, and transmits the video signals of the surveillance cameras to the central control center at a predetermined upstream data rate, the transmitter being controlled by control data transmitted by the central control center. The concentrator is installed in the central control center, includes at least two receiving modules for concentrating the video signals transmitted by the respective transmitters, transmits the concentrated video signals to the central control center's manager, receives control data for the transmitters from the central control center's manager, and transmits the control data to the transmitters at a downstream data rate that is equal to or less than the upstream data rate. | 11-12-2009 |
| 20090275351 | MOBILE COMMUNICATION TERMINAL, SERVER, SYSTEM AND METHOD FOR MESSAGE SERVICE WITH FONT DATA - A mobile communication terminal, a message service server, a message service system, and a method thereof for sending and receiving a message are disclosed. In one embodiment, the mobile communication terminal includes 1) a font encoder configured to encode a font design into font data and to encode a message text into message data so as to generate combined message data which comprises the font data and message data and 2) a font decoder configured to i) separate the font data and the message data from the combined message data, and ii) reconstruct and output a message, comprising the font design, based at least in part on the separated font data and the message data. According to one embodiment, by including the font data and message data in the transmission, the receiving mobile communication terminal can display the same font design as the original font design. | 11-05-2009 |
| 20090258659 | METHOD AND APPARATUS FOR LOCATION BASED MULTIMEDIA MESSAGE SERVICE - A multimedia message service method and a server therefor are disclosed. In one embodiment, the server i) allows a broadcast transmitting server to receive a request of transmitting a position-based multimedia message from a content providing server, ii) collects information related to a base station covering an area to which the requested position-based multimedia message is desired to be transmitted, iii) transfers the position-based multimedia message to a multimedia transmitting equipment, iv) collects address information of the position-based multimedia message from the multimedia transmitting equipment and v) transmits the collected address information in a form of a cell broadcast service message to a receiving mobile communication terminal according to the information related to the base station. According to one embodiment, a large-sized multimedia message can be easily provided to a plurality of mobile communication terminals located in an area by using a cell broadcasting service. | 10-15-2009 |
| 20090232144 | NETWORK INTERMEDIATE APPARATUS AND METHOD FOR UBIQUITOUS NETWORK AND UBIQUITOUS NETWORK SYSTEM USING THE INTERMEDIARY APPARATUS - Discloses is an ubiquitous network intermediate apparatus and intermediate method that supports various internet services in order that wired terminals can connect to the network without an additional network setting. An ubiquitous network intermediate apparatus according to the present invention comprises a terminal access device outputting a packet received from a terminal according to a source IP address of the packet to a preset virtual path, and outputting a response packet received through the virtual path to the terminal; and a home access device outputting the packet received from the terminal access device through the virtual path to a home router, and transmitting the response packet received from the home router to the terminal access device through the virtual path according to a destination IP address. | 09-17-2009 |
| 20090154368 | METHOD AND APPARATUS FOR MEASURING QoE GUARANTEED REAL-TIME IP-MEDIA VIDEO QUALITY - A method and apparatus for measuring the quality of a video provided in an IP network based media service is provided. The apparatus for measuring Quality of Experience (QoE) guaranteed real-time Internet Protocol (IP)-media video quality, includes: a receiver receiving a transmission video provided through an IP network service platform and an original video corresponding to the transmission video, and extracting frames of the transmission video and the original video; a detector comparing the frames of the transmission video and the original video in real time to obtain a difference between the frames of the transmission video and the original video and detecting a matching segment between the transmission video and the original video; and a measurement unit calculating a QoE parameter using the frames of the transmission video and the original video which correspond to the matching segment. | 06-18-2009 |
| 20090144249 | METHOD AND SYSTEM FOR RETRIEVING INFORMATION BASED ON MEANINGFUL CORE WORD - The present invention relates to a method and system for extracting a meaningful core word from a query and a method and system for retrieving information based on the same are disclosed. The system for retrieving extracts a meaningful core word of a lemma, expands the lemma and retrieves texts based on the expanded lemma, to thereby improve performance of the retrieval system and convenience of a user. | 06-04-2009 |
| 20090144133 | CONTEXT RELATED ADVERTISEMENT/INFORMATION EXPOSURE METHOD AND RECOMMENDATION SERVICE SYSTEM USING THE SAME - Provided are a context related advertisement/information exposure method and a recommendation service system. The method includes the steps of: queuing information recommended (‘recommended information’) by a user on a queue list; selecting a candidate group (current list) to be exposed in an information region of contents page; determining an initial exposure number of each recommended information on the current list, and mapping each recommended information on the current list by the initial exposure number upon exposure of the contents to expose the same; comparing each recommended information that has been exposed by the exposure number with a reference value to determine whether its remaining on the current list is required; and determining a unit exposure number of recommended information that remains on the current list (residual recommended information), and mapping the residual recommended information by the unit exposure number upon exposure of the contents, to thereby expose the same. | 06-04-2009 |
| 20090131090 | SYSTEM AND METHOD FOR PROVIDING SMS2PSTN UNITED MESSAGING SERVICE USING SMS/MMS GATEWAY - The present invention relates to a method and system for providing an SMS2PSTN united messaging service using an SMS/MMS gateway. The present invention includes an SMS2PSTN service providing server for providing at least one ID information among an e-mail ID, an IM ID, a personal mobile telephone number, a general telephone number information, or a Web address related to the called party telephone number; a database for storing membership registration in-formation, charging information, SMS2PSTN service type, the e-mail ID, the IM ID, the personal mobile telephone number, the general telephone number information or the Web address; and a SMS/MMS gateway for querying with the called party telephone number extracted from the received SMS or MMS messages to the SMS2PSTN service providing server, and transmitting the converted result to the e-mail ID, the IM ID, the personal mobile telephone number, the general telephone number or the Web server. | 05-21-2009 |
| 20090125528 | Apparatus and Method For Classifying E-Mail Using Decision Tree - An apparatus and method for classifying e-mails using a decision tree is disclosed. The apparatus includes: a client e-mail storing unit for storing e-mails according to each folder; a decision tree generating unit for generating a decision tree based on information about e-mails stored according to folders in the client e-mail storing unit; a received e-mail processing unit for receiving e-mails; an e-mail storing unit for storing the e-mails received in the receiving e-mail processing unit; an e-mail classifying unit for classifying the e-mails stored in the e-mail storing unit based on the decision tree; an e-mail transmitting unit for transmitting the classified e-mail to the client e-mail storing unit; and a controlling unit for controlling the units to generate the decision tree based on the e-mails stored in the client e-mail storing unit and to classify the e-mail transmitted from outside based on the decision tree. | 05-14-2009 |
| 20090115582 | APPARATUS FOR RECOGNIZING RADIO FREQUENCY IDENTIFICATION (RFID) AND METHOD THEREOF, AND DATA PROCESSING METHOD OF RFID - The present invention relates to an RFID reader and a method thereof, and an RFID data processing method. The RFID reader generates a specific query message to a plurality of RFIDs, receives a first response message corresponding to the query message from at least one RFID among the RFIDs, and sequentially identifies a tag ID of a collided RFID by using a collision solving message when a collision occurs according to the result of receiving a first response message. The RFID reader can quickly and accurately identify a plurality of RFIDs since it can eliminate an unnecessary time such as excessive no response slot generation or repeated rounds through a sequential identification process for the collided RFIDs. | 05-07-2009 |
| 20090059840 | Wireless communication system and method for managing service flow identifier in the same - The present invention relates to a wireless communication system and a service flow identifier management method thereof. The wireless communication system includes a plurality of RASs for controlling a plurality of PSSs in a radio network, and a plurality of ACRs for providing wireless communication services to the PSSs through the plurality of RASs, and respectively managing a service flow identifier used for identifying a connection service for each PSS. When a status of each service flow identifier managed by the plurality of ACRs is different, the wireless communication system releases the corresponding service flow identifier so as to set the status of each of the service flow identifiers to be the same. According to the present invention, in the wireless communication system, the plurality of ACRs separately manage service flow identifiers, and mismatched service flow identifier information due to errors in the system or a node or message transmission/receiving errors can be set to be the same. In addition, when a partial system error occurs and thus the system is restored, a service flow identifier not having the same status due to the error can be efficiently released and set to be the same. | 03-05-2009 |
| 20090019284 | AUTHENTICATION METHOD AND KEY GENERATING METHOD IN WIRELESS PORTABLE INTERNET SYSTEM - An authentication method and authorization key generation method in a wireless portable Internet system is provided. In a wireless portable Internet system, the base station and the subscriber station share an authorization key when an authentication process is performed according to a predetermined authentication method negotiated therebetween. Particularly, the subscriber station and the base station perform an additional authentication process including an authorization key-related parameter and a security-related parameter and exchanges a security algorithm and SA (Security Association) information. In addition, an authorization key is derived from one or more basic key obtained through various authentication processes as an input key of an authorization key generation algorithm. Therefore, reliability of a security related parameter received from the receiving node can be enhanced and an authorization key having a hierarchical and secure structure can be provided. | 01-15-2009 |
| 20090016165 | POSITIONING SYSTEM USING ULTRASONIC WAVES AND METHOD FOR OPERATING THE SAME - Provided are a positioning system using ultrasonic waves and a method for controlling the positioning system. The method for controlling a positioning system installs a plurality of ultrasonic satellites generating ultrasonic signals to position a mobile. The method sequentially gives satellite identification numbers to the plurality of ultrasonic satellites, generates a synchronization signal and providing it to the plurality of ultrasonic satellites, and allows the mobile to receive ultrasonic signals, which are generated by the plurality of ultrasonic satellites in the order of the satellite identification numbers when the ultrasonic satellites receive the synchronization signal, to measure distances between the mobile and the ultrasonic satellites. The positioning system using ultrasonic waves includes ultrasonic satellites generating ultrasonic signals, a mobile that receives the ultrasonic signals from the ultrasonic satellites to recognize its current position, a reference time broadcasting device for providing a synchronization signal to ultrasonic satellites currently operating among the ultrasonic satellites and the mobile, and a server for providing the coordinates of the ultrasonic satellites to the mobile. | 01-15-2009 |
| 20090011701 | Link Synchronization Method Using Received Power in Rf Repeater - Provided is a link synchronization method for a radio frequency repeater that can perform link route switching at an accurate time point by measuring reception signal power at a predetermined period for a predetermined time duration, accumulating and comparing them with a reference level, and detecting a link termination time point. The method includes: a) setting up an initial link route; b) measuring received signal power in the initial link route; c) accumulating the reception signal power received for a predetermined time at a predetermined period, when the reception signal power is detected; d) setting up a reference level for link switching based on the accumulated reception signal power; e) detecting a link termination time point by finding an edge in a waveform of the accumulated reception signal power based on the reference level; and f) switching the current link route based on the detected link termination time point. | 01-08-2009 |
| 20080310449 | Method and Apparatus For Upper Level Protocol Message - Upper level protocol message transmitting method and apparatus are provided based on a new management message to be used in a portable Internet system. When a base station receives the upper level protocol message to be broadcast, it includes the same in the management message and transmits the included message to all the mobile terminals of a cell, and thus, the total number of the transmissions is decreased, thereby increasing a wireless efficiency. | 12-18-2008 |
| 20080310318 | 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 the multiple antennas. A radio frequency calibration unit calibrates the transmit signals transmitted through the multiple antennas, and processes at least one target transmit signal among the plurality of transmit signals so as to monitor the at least one target transmit signal. A signal monitoring unit receives at least one first signal or at least one second signal, and transmits the at least one first signal or the at least one second signal to user equipment. The at least one first signal is a signal processed from at least one target receive signal among the plurality of receive signals, and the at least one second signal is a signal processed from the at least one target transmit signal by controlling the radio frequency calibration unit. | 12-18-2008 |
| 20080305804 | Method and Apparatus for Uplink Timing Synchronization with Ranging Signal in Mobile Communication System - When a base station of a time division duplex based mobile communication system receives an initial ranging request signal from a subscriber station, the base station generates initial ranging information including delay time information to the subscriber station, and receives uplink data delayed and transmitted using a delay time from the subscriber station. Also, when the subscriber station transmits an initial ranging request signal to the base station and receives initial ranging information including delay time information from the base station, the subscriber station establishes a transmission parameter value by using the transmission parameter value included in the initial ranging information and transmits uplink data by using the established delay time. | 12-11-2008 |
| 20080304440 | Terminal and Method for Accessing Wireless Connection - A method for establishing a wireless connection performed by a subscriber station (SS) to receive Internet services from a given terminal node through a base station (BS), the method including: a) when an initial connection with the BS is established, establishing a first MAC connection with the BS, and setting the first MAC connection as a dedicated TCP connection; b) when a given packet is generated, the SS determining whether the given packet is a control packet for a TCP connection with the SS; c) transmitting the given packet through the dedicated TCP connection when a control packet is transmitted, and establishing a TCP connection with the SS; d) after establishing the TCP connection, establishing a second MAC connection for data communication between the SS and the BS; and e) after establishing the TCP connection and the second MAC connection, receiving data from the SS through the second MAC connection. | 12-11-2008 |
| 20080287078 | 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 measures a received signal strength to control the transmission power, and increases a gain of the power amplifier according to the received signal strength. The gain controller sets a power concentration gain and applies the power concentration gain to the transmission signal when the gain of the power amplifier is maximized. The modulator modulates the transmission signal. The digital/analog converter converts an input signal to an analog signal. The gain controller applies the power concentration gain to the trans mission signal modulated by the modulator, and transmits the power concentration gain to the digital/analog converter. | 11-20-2008 |
| 20080282297 | SYSTEM AND METHOD FOR PROVIDING ADDITIONAL INFORMATION USING BI-DIRECTIONAL BROADCASTING SERVICE - Disclosed is a system for providing additional information using a bi-directional broadcasting service and a method for the same. The system provides additional information using a bi-directional broadcasting service, after the additional information provided through the bi-directional broadcasting service is book-marked, and is capable of providing the book-marked additional information through wired/wireless communications when a user wants. | 11-13-2008 |
| 20080267085 | Method for Generating /Changing Transport Connection Identifier in Portable Internet Network and Portable Subscriber Station Therefor - The present invention relates to a method for generating/changing a transport connection identifier (CID) in a portable Internet System, and a terminal using the same. Accordingly, the present invention provides a terminal including a packet detecting unit, a user input/output unit, a CID managing unit, and a data storing unit. The packet detecting unit determines whether a packet can be classified by a pre-established packet classification rule or a packet cannot be classified by the rules ( | 10-30-2008 |
| 20080250132 | SYSTEM FOR CONTROLLING AND MANAGING NETWORK APPARATUS AND METHOD THEREOF - Disclosed is a network device control and managing system and method. The network device control and managing system receives network device information and subscriber information from a database server of the network device control and managing system according to the manager's client information request and realizes hierarchical combined information. The system requests state information from the network device based on the state information request of the network device and receives the state information. The system requests a control from the network device based on the network device control request, receives a corresponding response message, and changes combined information. Therefore, the device states can be easily searched in the hierarchical manner (L3-L2-AP), and the problems of network devices can be quickly sensed. Also, software for the network devices is remotely updated, and the subscriber's after sales service request is remotely processed. | 10-09-2008 |
| 20080240217 | Cinr Estimating Method and Device Using Preamble in Ofdm - A device and method for estimating a carrier to interference-plus-noise ratio (CINR) in an OFDM system are provided. The CINR estimating method includes (a) receiving a preamble symbol and transmit subcarrier transmitted from a base station; (b) calculating an interference power and noise power using the preamble symbol and transmit subcarrier; (c) calculating a receive power used for the base station to transmit a preamble and data symbol; (d) estimating a preamble CINR value using an interference power, a noise power, and a receive power; (e) calculating the noise power from a subcarrier not transmitting a preamble; and (f) calculating an average CINR of data subcarriers using the preamble CINR value and the noise power. With such a method, a precise carrier to interference-plus-noise ratio (CINR) can be estimated using a preamble when the preamble power is amplified in comparison with the data symbol power, the subcarriers are differently applied for the respective cells, and the traffic of the data area is partially loading. | 10-02-2008 |
| 20080232518 | Apparatus and Method for Automatic Gain Control of Mobile Station in Ofdm System - The present invention relates to an automatic gain control apparatus and method of a mobile station in an OFDM system. The present invention includes: identifying a preamble section and a data symbol section in a received frame signal; when a current symbol is the preamble section, measuring a power value of a preamble signal, comparing the measured power value of the preamble signal and a threshold value, and amplifying the received frame signal based on a predetermined gain value (gain=threshold−power value) according to a difference between the measured power value and the threshold value; when a data symbol section includes a pilot carrier, measuring an average power value of the pilot carrier in the data symbol when the data symbol section includes the pilot carrier, comparing the measured average power value of the pilot carrier and the threshold value, and amplifying the received frame signal based on a predetermined gain value (gain=threshold−pilot average power value) according to a difference; and when the data symbol section includes no pilot carrier, maintaining an existing gain, or performing an automatic gain control operation according to a gain estimated by using the pilot carrier during the data symbol section including the pilot carrier. Accordingly, the mobile station of the OFDM system that is robust to channel variation and various fading environments may be provided to efficiently perform the automatic gain control. | 09-25-2008 |
| 20080232330 | Method for Ranging with Bandwidth Request Code - The present invention relates to a ranging method using a bandwidth request code. For this purpose, the present invention provides a ranging method that includes transmitting a bandwidth request code for requesting a bandwidth for uplink traffic transmission from a radio access station, receiving a CDMA_Allocation_IE of a UL_MAP that includes uplink radio resource information from the radio access station, adjusting a transmission parameter according to an adjustment value included in the CDMA_Allocation_IE when periodic ranging performance is checked through the CDMA_Allocation_IE, checking whether the adjusted transmission parameter has an optimum value, and resetting a timer for periodic ranging, and a CDMA_Allocation_IE structure of a UL_MAP for the same. According to the present invention, delay in uplink data transmission of a portable subscriber station can be reduced by including a ranging parameter for a bandwidth request code in a UL_MAP, and a downlink bandwidth can be efficiently used by a radio access station by eliminating a process of RNG_RSP transmission. | 09-25-2008 |
| 20080229099 | METHOD FOR GENERATING STANDARD FILE BASED ON STEGANOGRAPHY TECHNOLOGY AND APPARATUS AND METHOD FOR VALIDATING INTEGRITY OF METADATA IN THE STANDARD FILE - An apparatus for validating integrity of metadata in a standard file includes: a metadata acquiring unit for acquiring metadata from a protected file; an integrity evidence value acquiring unit for acquiring an integrity evidence value from a file or a database; a secret information extracting unit for extracting secret information of a file data; and a metadata integrity validating unit for checking if the metadata is correct by using the acquired metadata, the acquired integrity evidence value, and the extracted secret information. | 09-18-2008 |
| 20080214218 | 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 array antenna, multiplying a plurality of weight vectors by the received signals, summing the multiplication results for each weight vector, and combining the summing results by using maximum ratio combining. According to the present invention, signals are dividedly received by applying spatial filtering for a receiving direction of each signal and performance can be improved by combining the received signals by using maximum ratio combining. In addition, performance of an MRC-rake and a beam forming gain can be simultaneously acquired according to the present invention. | 09-04-2008 |
| 20080214128 | Diversity Transmission Method and Transmitter of a Base Station Using the Same in a Mobile Commmunication System - A diversity transmission method and a transmitter of a base station using the same is provided in a mobile communication system. For this purpose, the diversity transmission method for controlling power of transmit antennas when the transmitter transmits a signal to a mobile terminal using a plurality of antennas includes (a) receiving feedback information concerning the antenna having the best channel status from the mobile terminal, (b) increasing power allocation of a selected antenna according to the feedback information by a predetermined amount and decreasing power allocation of a non-selected antenna by a predetermined amount, and (c) transmitting the signal to the mobile terminal using the power allocation controlled in (b). | 09-04-2008 |
| 20080198924 | METHOD OF COMPUTING DISPARITY, METHOD OF SYNTHESIZING INTERPOLATION VIEW, METHOD OF ENCODING AND DECODING MULTI-VIEW VIDEO USING THE SAME, AND ENCODER AND DECODER USING THE SAME - The invention relates to a method of computing a disparity, a method of synthesizing an interpolation view, a method of encoding and decoding multi-view video using the same, and an encoder and a decoder using the same. In particular, the invention relates to a method of computing a disparity, a method of synthesizing an interpolation view, a method of encoding and decoding multi-view video using the same, and an encoder and a decoder using the same, which can rapidly compute an initial disparity of a block using region segmentation, accurately compute a disparity of the block using a variable block, and synthesize an interpolation view on the basis of a disparity value computed in a pixel basis using an adaptive search range, thereby improving quality of the interpolation view, and also can encode and decode a multi-view video independently from an existing prediction mode while using the interpolation view as a reference picture, thereby improving coding efficiency. | 08-21-2008 |
