| Patent application number | Description | Published |
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| 20090289812 | System and Method for Providing Real-Time Dangerous Road Information Based on USN - Provided is a system and method for providing dangerous road information based on a Ubiquitous Sensor Network (USN) in real-time. The system includes: a dangerous road zone information sensing unit having a sensing function for sensing diverse information in a dangerous road zone and a computing function for extracting dangerous road information by analyzing the sensed information; a dangerous road zone information transmitting unit for transmitting the extracted dangerous road information through a short distance wireless network; a dangerous road zone information collecting unit for collecting the transmitted dangerous road information and checking duplication elimination and unification of the dangerous road information; and a dangerous road zone information providing unit for providing the dangerous road information collected and processed in the dangerous road zone information collecting unit to a Telematics vehicle approaching to the dangerous road zone in real-time through wireless communication. | 11-26-2009 |
| 20100085893 | SENSOR NODES IN MULTIPLE SENSOR NETWORK, METHOD FOR CREATING GRID-BASED TREE OF SENSOR NODES AND SPATIAL QUERY PROCESSING SYSTEM USING GRID-BASED TREE - A method for creating a grid-based tree in a multiple sensor network includes: dividing an entire area in which a base station node and a plurality of sensor nodes are disposed into grid areas; assigning a grid ID to each of the grid areas; setting, sequentially from the base station node to each of the sensor node, level information, candidate child nodes and candidate parent nodes; storing a grid ID of a grid area in which the respective nodes locate; selecting, for the respective sensor nodes, a parent node based on the grid ID, the level information, and the candidate parent nodes; and calculating, for the respective nodes, minimum bounding rectangles each of which includes a child node of corresponding node and nodes descended from the child node. The grid-based tree is calculated by using the minimum bounding rectangles. | 04-08-2010 |
| 20100223283 | APPARATUS AND METHOD FOR PROCESSING QUERY - An apparatus for processing a query in a plurality of heterogeneous sensor networks includes a query queue, a query combining and converting unit, a query command manager, and a data combiner. The query queue receives a plurality of queries from a user interface and stores them and the query combining and converting unit combines or converts the queries according to the heterogeneous sensor networks. The query command manager transmits the combined or converted queries to a corresponding sensor network from among the heterogeneous sensor networks, and the data combiner transmits a result according to the data received from the heterogeneous sensor networks to a user interface. | 09-02-2010 |
| 20100245076 | SYSTEM AND METHOD FOR TRACKING POSITION OF MOVING OBJECT - The present invention relates to a system and method for tracking the position of a moving object. A system for tracking the position of a moving object includes: WSNs composed of a plurality of sensor nodes, each generating connection release information representing that the connection between the corresponding WSN and a moving object having a moving node serving as a sensor node attached thereto has released if having perceived the departure of the moving object; base stations managing the plurality of WSNs and collecting position information on the plurality of sensor nodes; a node information database storing the position information on the plurality of sensor nodes collected by the plurality of base stations; middleware checking the current position information on the moving object stored in the node information database if receiving the connection release information through any of the plurality of base stations, and deleting the current position information on the moving object stored in the node information database if the checked current position of the moving object is in a WSN having perceived the departure of the moving object; and a moving-object tracking application provided with the position information on the moving object by the middleware to track the position of the moving object. According to the present invention, it is possible to efficiently process information of a WSN managed by each base station in middleware managing a plurality of base stations, thereby improving the accuracy in tracking the position of a moving object. | 09-30-2010 |
| 20100262287 | Embedded Robot Control System - The present invention relates to an embedded robot control system, particularly to an embedded robot control system of a highly expandable distributed control mode. An aspect of the present invention features an embedded robot control system. In accordance with an embodiment of the present invention, the embedded robot control system, which controls a plurality of robot instruments, which have a motor and a sensor, and a robot, which is connected with the plurality of robot instruments, can include a master controller, which is installed on the robot and controls the motor and the sensor of the robot instrument, and a slave controller, which is installed on another robot, connected to the robot, or the robot instrument and receives a control signal of the motor or the sensor from the master controller and controls the motor and the sensor. | 10-14-2010 |
| 20100306189 | SENSOR NETWORK MANAGING APPARATUS AND METHOD THEREOF - The present invention relates to a sensor network managing apparatus and a method thereof. The sensor network managing apparatus according to the present invention receives a query that includes a spatial join predicate for searching for target sensor nodes and a comparison predicate that is different for each sensor network, and generates query execution order information for searching for the target sensor nodes based on the spatial join predicate and the comparison predicate, wherein the spatial join predicate is related to a spatial location between sensor nodes respectively included in different sensor networks, and the comparison predicate are related to sensing values of sensor nodes of the sensor networks. In addition, the sensor node managing apparatus executes queries for the spatial join predicate and the comparison predicate on the plurality of sensor nodes on the basis of determined query execution order, and then extracts target sensor nodes as the query results. According to the present invention, an efficient method for searching for user-desired sensor nodes in more than two different sensor networks can be provided. | 12-02-2010 |
| 20110153276 | APPARATUS AND METHOD FOR PROVIDING COMPOSITE SENSOR INFORMATION - Disclosed herein is an apparatus and method for providing composite sensor information. The apparatus receives sensor information from a plurality of sensors and creating a virtual sensor as a proxy for a plurality of effective sensors included in a region requested to be searched from a user terminal. Thereafter, the apparatus creates composite sensor information by fusing a plurality of the sensor information corresponding to the plurality of effective sensors included in the virtual sensor. | 06-23-2011 |
| 20110153655 | SERVER-SENSOR NETWORK COOPERATIVE SPATIAL QUERY PROCESSING METHOD AND SERVER USING THE SAME - Disclosed herein are a server-sensor network cooperative spatial query processing method and a server using the method. The server-sensor network cooperative spatial query processing method includes the server detecting supplementary information for selecting sensor nodes to be excluded from among a plurality of sensor nodes by performing a preliminary spatial query, before starting a spatial query with the plurality of sensor nodes, and the server requesting the spatial query to the sensor nodes, selected based on the supplementary information, when starting the spatial query with the plurality of sensor nodes. | 06-23-2011 |
| 20110225194 | APPARATUS AND METHOD FOR ANALYZING INFORMATION ABOUT FLOATING POPULATION - Disclosed herein is an apparatus and method for analyzing information about floating population. The apparatus includes an information collection unit, a data integration unit, a data mining analysis unit, and an interface unit. The information collection unit collects information about locations provided by mobile communication terminals of moving objects, information about attributes of the moving objects, and information about locations and attributes related to stationary objects. The data integration unit creates integrated data by integrating the information collected by the information collection unit, national statistical information, and map data registered previously. The data mining analysis unit extracts data, consistent with conditions input by a system user, from the integrated data, and searches the map data for based moving patterns of the moving objects using data mining analysis. The interface unit provides a map service in which search results have been applied to the map data. | 09-15-2011 |
| 20120122476 | METHOD AND SYSTEM FOR PROVIDING SPATIAL-BASED CONTEXT-AWARE SERVICE - A system for providing spatial-based context-aware service includes a database configured to store a geocontext including spatial information, one or more contexts, and sensor data; a sensor/context catalog server configured to manage meta data of the contexts and the sensor data; a context processing server configured to generate a list of contexts applicable to the mobile device based on the sensor data and the meta data upon a receipt of the sensor data from the mobile device; a geocontext search server configured to search the database for candidate geocontexts appropriate for the user of the mobile device by using the location information of the mobile device and the list of contexts; and a context-aware management server configured to generate a list of recommended services by executing the searched candidate geocontexts. | 05-17-2012 |
| 20120143691 | SYSTEM AND METHOD FOR PROVIDING USER-SPECIFIC ADVERTISEMENT ON BASIS OF M2M COMMUNICATION, AND MOBILE TERMINAL - Provided are a system and method for providing a user-specific advertisement on the basis of machine-to-machine (M2M) communication, and a mobile terminal. The method includes: receiving an advertising message broadcasted from at least one mobile terminal; extracting an advertisement according to a user situation using profile information set by a user of the mobile terminal; and presenting and displaying the extracted advertisement. | 06-07-2012 |
| 20120271838 | LINEAR-TIME TOP-K SORT METHOD - The present invention relates to an algorithm that retrieves only k data elements having the largest (or smallest) key values from a dataset (i.e., top-k results) in a time linearly proportional to the size of the dataset. The proposed method using the algorithm finds the top-k results using a k-sized min (or max) heap structure that maintains candidate elements of the top-k results by scanning all data elements in the dataset only once. In other words, the present invention provides a linear-time top-k sort method that finds top-k results in a time linearly proportional to the size of the dataset (i.e., O(n) time complexity), while conventional sort algorithms for finding top-k results cannot find the top-k results in a time linearly proportional to the size of the dataset (i.e., at least O(n log n) time complexity). | 10-25-2012 |
| 20130297043 | CONTROL SYSTEM THAT IS RECONFIGURABLE DURING OPERATION, AND METHOD THEREFOR - Disclosed is a control system that is reconfigurable during operation, and a method therefor. The control system according to one embodiment of the present invention comprises a master controller which generates a bit stream, including reconfiguration information, according to the command of a user. The first slave controller comprises: a first dynamic reconfiguration module, which is a field programmable gate array (FPGA) reconfigured according to the reconfiguration information, and which calculates a control value; a static reconfiguration module which is an FPGA controlling the operation of a target apparatus according to the control value; and a control unit reconfiguring one or more of the first dynamic reconfiguration module and the static reconfiguration module according to the reconfiguration information. | 11-07-2013 |
