| Patent application number | Description | Published |
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| 20090089812 | System and method for controlling synchronization of media and multi-devices for single-media multi-device media service - Provided is a system and method for controlling synchronization of media and multi-devices for an SMMD media service. The system includes a metadata managing unit and a synchronization controlling unit. The metadata managing unit analyzes ne-media to extract metadata. The synchronization controlling unit constructs a synchronization information table to store control data extracted from the metadata, and controls one or more devices for media reproduction on the basis of the synchronization information table. Optimal connectable devices are mapped according to device attributes and synchronization information extracted from metadata of ne-media and the results are controlled according to the contents of media, thereby maximizing the effect of vivid media reproduction. | 04-02-2009 |
| 20090147832 | Wireless communication system and method - A wireless communication system includes a heterogeneous wireless station for transmitting and receiving a heterogeneous wireless station signal; and a detection and avoidance device for detecting the heterogeneous wireless station signal, and for transmitting and receiving an ultra-wideband signal, the ultra-wideband signal with a reduced output or the ultra-wideband signal shifted to another ultra-wideband or ultra-wideband group in order to prevent interference with the heterogeneous wireless station based on a predetermined level. Further, a communication method includes receiving a heterogeneous wireless station signal; converting the heterogeneous wireless station signal into tone-nulling elements based on a predetermined level; receiving the tone-nulling elements, and generating an ultra-wideband signal or reducing an output of the ultra-wideband signal; and changing a time frequency number of the ultra-wideband signal based on the values of the tone-nulling elements to selectively shift to another band of the band group or another band group. | 06-11-2009 |
| 20090154410 | RESOURCE ALLOCATION METHOD AND APPARATUS IN DISTRIBUTED MAC FOR WIRELESS PERSONAL AREA NETWORKS - A method for allocating distributed Medium Access Control (MAC) resources in a Wireless Personal Area Network (WPAN) includes calculating an acknowledgement overhead; calculating a Medium Access Slot (MAS) overhead depending on a payload length of a frame; calculating a transfer rate; calculating a number of frame bits to be transmitted; and calculating a first number of MASs. Thereby, the method optimized a final number of MASs required per superframe. Further, a distributed MAC resource allocation apparatus includes a MAC client for determining a resource allocation scheme and an amount of resources, and for sending a request to a MAC resource management unit; a MAC physical layer for providing a received power level or the like to the MAC resource management unit; and the MAC resource management unit for determining a payload length or the like and for allocating wireless resources to devices connected to the WPAN. | 06-18-2009 |
| 20090157753 | SYSTEM FOR REALISTICALLY REPRODUCING MULTIMEDIA CONTENT AND METHOD THEREOF - A system for realistically reproducing multimedia content includes a realistic multimedia content producer for providing the multimedia content; a device metadata server for providing device metadata for realistically reproducing the multimedia content; and a realistic multimedia reproducing apparatus for downloading the device metadata for the multimedia content from the device metadata server, and applying device metadata selected by a user to thereby reproduce the multimedia content. Further, a method for realistically reproducing multimedia content includes downloading multimedia content to be reproduced realistically; checking if the multimedia content includes device metadata for realistic reproduction; downloading a plurality of device metadata for realistic reproduction of the multimedia content if the multimedia content does not include the device metadata; and reproducing realistically the multimedia content by controlling a reproducing device to which metadata selected by a user from the plurality of device metadata are applied. | 06-18-2009 |
| 20090157814 | Method and apparatus for providing social networking service based on peer-to-peer network - A Peer-to-Peer (P2P) based social networking service method for providing a social networking service, includes transmitting a request to a peer group and performing a group-based social networking service; transmitting news or a question to peers in the peer group, and then receiving a response to the question; and storing the received information in a storage medium, and uploading specific information among the stored to a rendezvous peer. The method further includes delivering the uploaded specific information to another rendezvous peer in a network. A P2P based social networking service system includes a P2P middleware unit for providing services of communicating between and grouping the peers; a P2P service application program interface layer for providing a network element function; and a P2P application service layer for calling the network element function, if required, to thereby provide a user with a P2P based network service. | 06-18-2009 |
| 20090158041 | METHODS AND DEVICES FOR CREATING SECURITY GROUP AND AUTHENTICATION OVER P2P NETWORK - A method of creating a security group over a Peer-To-Peer (P2P) network is disclosed. An invitee terminal attaches a public key to a peer advertisement in which its own identification information is encrypted using its own private key, and then sends a resulting peer advertisement over the P2P network. An inviter terminal, which has found the peer advertisement, encrypts a group advertisement, including group information about the security group, using public keys of the corresponding invitee terminal, and then sends a resulting group advertisement to the invitee terminal desired to be invited to the security group. The invitee terminal decrypts the group advertisement using its own private key, and participates in the security group using the group information. | 06-18-2009 |
| 20090158131 | VITERBI DECODING APPARATUS AND METHOD - A Viterbi decoding apparatus receives a plurality of block data in time order, and transmits a block data group including the plurality of block data. Then, the Viterbi decoding apparatus applies a Viterbi decoding algorithm to the block data group and outputs some block data of the block data group. In this way, it is possible to provide a Viterbi decoding apparatus that can operate at a high speed and improve a data transmission rate. | 06-18-2009 |
| 20090158353 | System and method for user-customized type media service based on single-media multi-devices - A system for user customized media service based on single-media multi-devices (SMMD), which cooperatively controls devices in accordance with effect information when media are reproduced, includes menu providing means for providing a setting menu capable of setting or correcting the effect information; and managing means for setting or correcting a device profile having information for cooperation with the devices in accordance with the setting or correcting the effect information. The system further includes controlling means for controlling the devices in accordance with the effect information. The method for user customized media service based on SMMD includes providing a setting menu capable of setting or correcting the effect information; setting or correcting a device profile having information for cooperation of the devices on a basis of the set or corrected effect information; and cooperatively controlling the devices in accordance with the effect information for the device profile. | 06-18-2009 |
| 20090174608 | NON-DISPERSIVE UWB ANTENNA APPARATUS USING MULTI-RESONANCE, AND METHOD FOR MANUFACTURING THE SAME - Provided is a non-dispersive UWB antenna using multi-resonance, which can obtain a UWB characteristic by combining a monopole radiation patch and stepped open stubs, and can obtain an improved non-dispersion characteristic by using a symmetrical structure of the monopole radiation patch and the stepped open stubs. The non-dispersive UWB antenna includes a dielectric substrate, a monopole radiation patch disposed in the center of the top surface of the dielectric substrate, stepped open stubs connected to the monopole radiation patch to induce multi-resonance, a CPW ground plane, and a CPW feed line connected to the monopole radiation patch. By using the monopole radiation patch, the stepped open stubs, and the CPW feed line, the non-dispersive UWB antenna can obtain the omni-directional radiation pattern in the frequency range (3.1-4.9 GHz) required by the system. | 07-09-2009 |
| 20090222790 | SYSTEM AND METHOD FOR PROCESSING RESOURCE DESCRIPTION FRAMEWORK DATA - The present invention relates to a system and method for processing resource description framework data. The present invention relates to a system and method allowing a general-purpose program to support operation of resource description language (RDF) data models, not operation of RDF ontology using a library. Therefore, it is possible to process RDF data by using an existing high-level programming language. Further, since a developer clearly perceives RDF data models, it is possible to easily operate RDF ontology. | 09-03-2009 |
| 20100040032 | METHOD FOR PROVIDING INTER-PICONET MULTI-HOP MESH COMMUNICATION IN WIRELESS PERSONAL AREA NETWORK AND APPARATUS THEREOF - In the environment of a wireless personal area network (WPAN) with a plurality of piconets, to allow a tree-based routing service and an optimized routing service through repeatedly building parent-child piconets, an inter-piconet mesh communication device and method for providing a multi-hop communication function among a plurality of piconets is provided by defining a mesh sublayer between a frame convergence sublayer and a MAC sublayer and providing a mesh data service to the frame convergence sublayer through a mesh service access point, defining a mesh sublayer management entity between a device management entity and a MAC sublayer management entity and providing a mesh management service to a device management entity through a mesh sublayer management entity service access point. | 02-18-2010 |
| 20100040129 | CHANNEL EQUALIZATION AND CARRIER RECOVERY METHOD AND RECEIVER IN HIGH SPEED WIRELESS COMMUNICATION SYSTEM - Provided are a channel equalization and carrier recovery method and a receiving apparatus thereof. In the method, a receiver of the high speed wireless communication system obtains an initial value of a channel equalization coefficient through non-causal channel estimation in a frequency domain during a preamble transmission section of a packet. High-order QAM signal correction for updating the channel equalization coefficient in a time domain is performed during a data transmission section of the packet. when a payload section starts in the data transmission section of the packet, channel equalization coefficient tracking is performed on the basis of frequency domain decision, and a hard decision of a correction value by the high-order QAM signal correction in the time domain is made to correct carrier phase errors, so that the channel equalization coefficient is updated. | 02-18-2010 |
| 20100046435 | ROUTING TABLE GENERATION, DATA TRANSMISSION AND ROUTING ROUTE FORMATION METHOD FOR MULTI-HOP SERVICES IN HIGH RATE WIRELESS PERSONAL NETWORKS - Provided are a routing table generating method, a data transmission method, and a routing route formation method for multi-hop communication in high rate wireless personal networks. In a high rate WPAN environment including a plurality of piconets, a piconet controller (PNC), which performs a topology server function to provide the optimal route, collects link state information from the PNCs or DEVs (devices) belonging to a sub-tree that serves as a root and applies a minimum cost algorithm based on the collected link state information to calculate the optimal route for all pairs of originations and destinations existing within the sub-tree in consideration of QoS. The optimal route information is transmitted to the origination PNC via the destination PNC/DEV. During performing this, the optimal route between the pairs of originations and destinations is set. | 02-25-2010 |
| 20100054306 | SIGNAL TRANSMITTING METHOD AND DEVICE AND INFORMATION DETECTING DEVICE - A signal transmitting device detects information on respective frequencies of a plurality of subcarriers configuring an interference signal and information on respective voltage values of the subcarrier from the received interference signal, and modulates data according to the ultra-wideband scheme through subcarriers of part of predetermined bandwidths based on frequency information and voltage value information to generate ultra-wideband signals. Accordingly, signal interference with a heterogeneous communication device can be reduced by detecting an interference signal when an absolute value of the interference signal is small or noise power of the interference signal is large. | 03-04-2010 |
| 20100067508 | METHOD FOR SELECTING SERVING PNC BASED ON FER IN WIRELESS MESH NETWORK - Provided is a method for selecting a serving PNC at a wireless device in a wireless mesh network for data communication. In the method, an initial PNC is selected if data is generated to transmit. Then, an initial MAC frame size is decided and data communication is performed with the selected initial serving PNC. A PNC having a best channel state is reselected from PNCs in a same coverage as a serving PNC after selecting the initial serving PNC. A MAC frame size is decided for the reselected serving PNC and data communication with the reselected serving PNC is performed. The data communication is terminated if a FER of the reselected serving PNC is larger than a maximum allowable FER or if there is no data to transmit after the data communication is performed. | 03-18-2010 |
| 20100074142 | METHOD FOR GAP ANALYSIS FOR NETWORK TOPOLOGY INSPECTION IN ETHERNET-BASED NETWORK - A method for gap analysis for topology inspection to recognize a topology of a deep segment through gap discovery in an Ethernet network, includes: a gap division process of dividing a gap into atomic gaps that are no longer divided through path crossing test (PCT); and a gap interpretation process of analyzing a final result of the PCT when the atomic gap is generated, to interpret a topology of the gap. | 03-25-2010 |
| 20100074598 | SYSTEM AND METHOD OF PRESENTING MULTI-DEVICE VIDEO BASED ON MPEG-4 SINGLE MEDIA - A system for presenting real-sense effect of multi-device video based on MPEG-4 single media includes a transmission apparatus for extracting objects from MPEG-4 media, analyzing behavior patterns of the objects to recognize situation of the behavior patterns of the objects based on an ontology profile, generating real-sense effect metadata depending on the recognized situation, and producing the real-sense effect metadata, the ontology profile and the MPEG-4 media along with document and action script into a single media for the transmission thereof; and reception apparatus for extracting, upon receipt the single media, the real-sense effect metadata from the received single media, collecting real-sense effect devices existing in reproduction environments, analyzing how to control any of the real-sense effect devices based on the ontology profile, and presenting the real-sense effect by using the real-sense effect devices. | 03-25-2010 |
| 20100077404 | SYSTEM AND METHOD OF CONTROLLING SENSORY DEVICES - A system for controlling a plurality of sensory devices includes a plurality of end devices having the plurality of sensory devices connected thereto, respectively, each end device generating an IR control signal to execute a sensory devices so as to present sensory effects; a multi-device controller for managing IR control codes as profiles, and issuing a device control command to control the sensory device on the basis of the sensory effect metadata; and a ZigBee coordinator for parsing the device control command from the multi-device controller, determining the sensory device to be controlled depending on the parsed control command and transmitting a control message corresponding to the parsed control command to the end device having the determined sensory device connected thereto through ZigBee communication. | 03-25-2010 |
| 20100077429 | SYSTEM AND METHOD FOR PROVIDING MULTIMEDIA SERVICE - The present invention relates to a system and method for providing a multimedia service, which support event based home network service mobility through a Radio Frequency Identification (RFID) tag. The system for providing a multimedia service, includes a RFID tag, and a home server for performing a login authentication operation using RFID tag information provided from the RFID tag, storing service usage information of a multimedia service provided for a login user, and providing a corresponding multimedia service based on the service usage information of the multimedia service when a multimedia service is requested again. | 03-25-2010 |
| 20100090907 | PCB TYPE DUAL BAND PATCH ANTENNA AND WIRELESS COMMUNICATION MODULE INCORPORATING THE SAME PCB TYPE DUAL BAND PATCH ANTENNNA - The invention provides a PCB type dual band patch antenna and a wireless communication module incorporating the antenna. The antenna includes a substrate. A ground pattern is formed on the substrate. A radiating patch is formed on the substrate to be spaced apart from the ground pattern at a predetermined distance. The radiating patch includes an input arm and a main radiator which are divided by a slot with ‘L’ and inverse ‘L’ shapes combined. The main radiator has an open terminal opposing the input arm across the slot. Also, a feeding part is connected to the input arm of the radiating patch to apply an electrical signal to the radiating patch. Further, wireless devices are integrally mounted on the PCB substrate used for the antenna, thereby achieving a high efficiency and wide-bandwidth dual band patch antenna and a minimal-sized and low-cost wireless communication module. | 04-15-2010 |
| 20100094845 | CONTENTS SEARCH APPARATUS AND METHOD - Provided is a contents search apparatus and a method thereof. The contents search apparatus includes a query word preprocessing module expanding an inputted query word; and a search module searching for contents of a tag corresponding to the expanded query word. The contents search method includes expanding an inputted query word; and searching for contents tagged using a tag corresponding to the expanded query word. | 04-15-2010 |
| 20100104255 | SYSTEM AND METHOD FOR ORCHESTRAL MEDIA SERVICE - A system for the orchestral media service which receives the orchestral media having multiple tracks and neodata from a media service provider and shares the data with multiple connected devices to play, includes: a client engine that parses the orchestral media to separate into each audio/video and neodata, combines the audio/video into one resource to play, synchronizes with the connected devices with a basis of the playback time of the main audio/video, analyzes the neodata, maps the neodata into control command to transfer to the connected devices, and outputs the mapped control command; and a communication interface that performs connection with the devices having respective communication systems and transfers the control command to the connected devices. | 04-29-2010 |
| 20100124252 | APPARATUS AND METHOD FOR COMMUNICATION - A communication apparatus generates a digital detection signal including a plurality of time symbols by digital-converting a detection signal corresponding to a received signal, estimates an average power value of the detection signal by calculating average power of the digital detection signal based on the digital detection signal, and performs UWB communication through a predetermined first channel when a predetermined reference power value is greater than the average power value. | 05-20-2010 |
| 20100124404 | MULTIMEDIA PLAYING SYSTEM AND METHOD FOR PLAYING MULTIMEDIA USING THE SAME - Provided are a multimedia playing system and a method for playing multimedia using the system. The system includes a first multimedia player, a second multimedia player, and a user interface. The first multimedia player includes a first media controller controlling plays of a first video and a first audio in response to multimedia data received from an external device. The second multimedia player includes a second media controller operating independently of the first multimedia player and controlling plays of second video in response to the multimedia data. The user interface transmits synchronization information to the first and second media controller. | 05-20-2010 |
| 20100135296 | METHOD AND APPARATUS FOR MULTICASTING CONTENTS BETWEEN DEVICES IN NETWORKS - An apparatus for multicasting contents between devices in different networks includes: a home-to-home multicast control device for finding the devices in the networks, downloading contents from a device in a network to which the home-to-home multicast control device belongs, processing the contents to generate file blocks, each file block having chunk files, and multicasting the processed contents to the devices in the networks; and at least one home-to-home multicast bridge device for receiving the contents transmitted from the home-to-home multicast control device and streaming the contents to one or more devices in a network to which the home-to-home multicast bridge device belongs. The apparatus further includes a multicast relay device for relaying the contents between the home-to-home multicast control device and the home-to-home multicast bridge device. | 06-03-2010 |
| 20100135645 | SMMD MEDIA PRODUCING AND REPRODUCING APPARATUS - A SMMD media producing apparatus includes: a pre-processor for extracting first media data and produces MXF media data with adjusted resolution using media data of an MXF format; and a neo-data producer for extracting second media data from the MXF media data with the adjusted resolution and produces neo-data to be added to the extracted second media data. The apparatus further includes a media publisher for producing SMMD media data using the neo-data produced by the neo-data producer and the first media data. | 06-03-2010 |
| 20100152534 | CAPSULE ENDOSCOPY SYSTEM, MEDICAL SYSTEM, AND OPERATION METHOD OF MEDICAL SYSTEM - Provided are a capsule endoscopy system, a medical system, and an operation method of the medical system. A control device outside a human body and two or more implantable medical devices (e.g. capsule endoscopes) form a network with each other, and the two or more implantable medical devices divisionally perform investigation, identification, and treatment while cooperating with each other, by controlling the control device outside the human body. | 06-17-2010 |
| 20110007650 | METHOD OF ESTIMATING POSITION OF MOBILE NODE IN WIRELESS SENSOR NETWORK - The present invention relates to a method of estimating the position of a mobile node in a wireless sensor network using a passive mode OWR method. The method includes: estimating frequency offsets of anchor nodes and a mobile node; allowing the anchor nodes to sequentially transmit ranging frames; allowing the mobile node to receive the ranging frames and to estimate the difference between the reception times of signals from two anchor nodes; and applying the estimated difference between the reception times of the signals to time difference of arrival (TDOA) to estimate the position of the mobile node. According to the above-mentioned structure of the present invention, a plurality of mobile nodes can estimate their positions with a minimum number of ranging frame transmissions, without using a separate network synchronization unit. In addition, it is possible to easily construct a wireless sensor network for position recognition, and rapidly and accurately perform distance estimate using an OWR method. | 01-13-2011 |
| 20110010774 | MULTIMEDIA PLAY APPARATUS AND METHOD - Provided are a multimedia play apparatus and method. The multimedia play apparatus and method enable synchronization between an audio and a video through existing multimedia play time information, and even in a multimedia service that simultaneously provides multimedia and a message, the multimedia play apparatus and method enable synchronization between multimedia and a message that occurs by terminal characteristics between different environments and different users on the basis of existing multimedia play time information and multimedia meaning information. Moreover, by performing synchronization between multimedia and a message on the basis of the multimedia meaning information, the multimedia play apparatus and method can prevent the damage of a multimedia service that provides multimedia and a message together because of a spoiler corresponding to a malicious message. | 01-13-2011 |
| 20110065549 | REAL TIME AUTOMATIC CONTROL SYSTEM OF SPORTING GOODS AND CONTROL METHOD USING THE SAME - Disclosed are a real time automatic control system and more particularly, there are provided a system providing sports suitable for a user by automatically controlling sporting goods by considering health history information and state information of a user in real time while the user is playing sports using the sporting goods, and a control method using the same. For this, there is provided a real time automatic control system of sporting goods that includes: a sensor device outputting condition information including a rating of perceived exertion of a user in real time; a server device storing profile information including health history information and sporting history information of the user; and an exercise intensity setting device setting an optimal exercise intensity by using the condition information and the profile information, and controlling the sporting goods in real time in accordance with the optimal exercise intensity. | 03-17-2011 |
| 20110119024 | METHOD OF ESTIMATING POSITION OF MOBILE NODE IN WIRELESS SENSOR NETWORK - There is provided a method for estimating a position of a mobile node in a wireless sensor network. The method includes estimating a frequency offset between anchor nodes and estimating a difference between times when ranging frames from a mobile node are received by two anchor node, without use of a separate synchronization unit, such as a network synchronized clock supply unit that supplies a network synchronized clock via a cable, in a wireless sensor network, unlike a conventional method of estimating Time of Flight (TOF) using Two-Way Ranging (TWR) and Symmetric Double Sided-TWR (SDS-TWR) schemes. The estimated receiving time difference is directly applied to a Time Difference Of Arrival (TDOA) algorithm in order to estimate the position of the mobile node. | 05-19-2011 |
| 20110131413 | APPARATUS AND METHOD FOR DYNAMIC UPDATE OF SOFTWARE-BASED IPTV CONDITIONAL ACCESS SYSTEM - The apparatus for dynamic update of a software-based IPTV conditional access system includes: a server master key manager managing a master key and encrypting a conditional access code ID; a conditional access server manager generating and managing a server list, linking and storing an update policy with the conditional access server IDs included in the server list, and controlling execution of the conditional access server; and a conditional access code download server generating an ID map of set of conditional access codes by combining the plurality of conditional access codes and the plurality of conditional access code IDs that are encrypted, and transmitting the ID map of set of conditional access codes and the conditional access code to a receiver. | 06-02-2011 |
