Patent application number | Description | Published |
20090128324 | Method and apparatus for delivering data based on sensor network - The present invention relates to a method and apparatus for delivering data based on a sensor network. According to an embodiment of the present invention, the apparatus for delivering data is provided in a means of transportation such as a vehicle, activates a node of a corresponding sensor network when a vehicle enters a road segment, and receives data from the transmission node. Then, the apparatus for delivering data calculates an optimum path along which the received data is delivered to a target destination, determines whether to use other vehicles or to directly deliver the data to the target destination on the basis of the calculated optimum path, and delivers the data to the target destination by the determined method. In this case, the target destination to which the data is delivered may be a different node of the same sensor network, or may be a node or a center of a different sensor network. | 05-21-2009 |
20100083035 | METHOD FOR WIRELESS COMMUNICATION IN WIRELESS SENSOR NETWORK ENVIRONMENT - Provided is a wireless communication method in a wireless sensor network environment. The method overhears a packet transmitted from a source sensor node to a destination sink node and determines whether the destination sink node receives the packet. A transmission node selected by using local information among a plurality of neighboring sensor nodes transmits the overheard packet to the destination sink node when the packet is not received. | 04-01-2010 |
20100134322 | APPARATUS AND METHOD FOR DETECTING VEHICLES - An apparatus for detecting a vehicle includes a magnetic sensor that continuously obtains a magnetic signal varied due to movement of a vehicle; a gradient detecting unit that detects a gradient of the magnetic signal based on the obtained magnetic signal; and a vehicle status transitioning unit that generates status transition information of the vehicle based on the detected gradient. The apparatus further includes a vehicle coming-in/out determining unit that determines coming-in or coming-out of the vehicle based on the vehicle status transition information. | 06-03-2010 |
20100138100 | CRUISE CONTROL SYSTEM AND METHOD THEREOF - Provided is a cruise control system and method. A vehicle cruise control system collects state information of components inside and outside a vehicle, state information of a road on which the vehicle is provided, and drive pattern information of a driver of the vehicle, analyzes a mileage amount and an exhaust gas emission amount of the vehicle based on the collected state information of the components, the road state information, and the drive pattern information, calculates a cruise control speed based on the analysis result, and controls the vehicle to run at the cruise control speed. | 06-03-2010 |
20100141478 | ADAPTIVE COMMUNICATION METHOD AND SENSOR NODE FOR PERFORMING THE METHOD - Provided are an adaptive communication method and a sensor node for performing the same. The sensor node adaptively selects transmitted signal output strength and a wakeup zone of transmitted data based on a received signal strength indication of a control packet received from a sink node and existence of an obstacle acquired through a sensor, and transmits data based on the adaptive selection. Also, during an operation as a receive mode, the sensor node wakes up and determines whether to receive the data from the transmit node based on wakeup zone configuration information per sensor node received from the sink node and a wakeup zone selected by a sensor node currently operable as a transmit node. | 06-10-2010 |
20100142497 | METHOD FOR TRANSMITTING DATA AND METHOD FOR RECEIVING DATA - Provided is a method for minimizing energy consumption while increasing a data rate between sensor nodes in a sensor network. In the sensor network, a parent node receives reservation information from a first node among a plurality of child nodes in a first period and broadcasts channel allocation information of the first node according to the reservation information in the first period so that the first node performs the data transmission in a second period or third period and maintains a sleep mode until the first period ends. | 06-10-2010 |
20100156669 | METHOD FOR RUNNING VEHICLES DETECTING NETWORK AND SYSTEM THEREOF - Provided are a method for running a network for vehicle detection and a system thereof. Each vehicle detecting device is classified into a plurality of groups based on information provided from the vehicle detecting devices and control information that activates or deactivates components of the corresponding vehicle detecting devices is set for each group based on the information. Power of a signal transmitting the information is set for each vehicle detecting device. | 06-24-2010 |
20100156672 | SYSTEM AND METHOD FOR AUTO VALET PARKING - Provided are a system and a method for auto valet parking. In the system and method, a parking slot of a target vehicle among a plurality of slots formed in a parking place is determined based on situation information on the parking place and a movement path based on information on current location of the target vehicle and information on the parking slot is determined. The target vehicle is automatically parked in the determined parking slot by moving along the movement path. | 06-24-2010 |
20100161128 | SYSTEM AND METHOD FOR CONTROLLING AUTOMATIC PARKING - An automatic parking control system includes a movable parking robot to load and carry a vehicle to be parked, a parking guide server for providing the parking robot with a moving path to the target parking space, and one or more posts, installed nearby an accessible parking area, for controlling a moving path of the parking robot in real time through communications with the parking robot. | 06-24-2010 |
20100260167 | TIME SYNCHRONIZATION METHOD IN WIRELESS SENSOR NETWORK - The present invention relates to a time synchronization method in a wireless sensor network. In the present invention, if an upper node requests a lower reference node to start time synchronization, the lower reference node broadcasts a first sync reference packet. The upper node receives the first sync reference packet and transmits the first sync reference packet reception time to the lower reference node. The lower reference node broadcasts the first sync reference packet reception time, such that the other nodes perform time synchronization on the basis of the first sync reference packet reception time. Meanwhile, the lower reference node estimates the first sync reference packet reception time of the upper node to calculate the reception estimation time, and transmits the reception estimation time to a determination node that is two hops anterior to the lower reference node. Therefore, the determination node compares the reception time received from the upper node and the reception estimation time received from the lower reference node and determines whether a capture attack on the upper node has occurred. | 10-14-2010 |
20100274429 | SYSTEM AND METHOD FOR AUTONOMOUS VEHICLE GUIDING USING INFORMATION TECHNOLOGY INFRASTRUCTURE AND SERVER APPARATUS THEREFOR - An apparatus is for guiding a vehicle traveling of a vehicle by using information technology infrastructures. The apparatus includes: a control terminal for controlling the vehicle traveling; sensing devices that collect circumstance information of guidance areas desirous of guiding the vehicle by using the information technology infrastructures provided on the guidance areas; and a server device that recognizes a circumstance of the guidance areas to create a guidance route based on the collected circumstance information by the sensing device so that the control terminal controls the vehicle to travel along the guidance route. | 10-28-2010 |
20110066312 | NAVIGATION APPARATUS AND DRIVING ROUTE INFORMATION PROVIDING METHOD USING THE SAME AND AUTOMATIC DRIVING SYSTEM AND METHOD - An automatic driving system includes: a reference driving information database for storing reference driving information including reference driving lines, reference driving speeds, and lane change information; and a navigation apparatus for searching a driving route from a starting point to a destination by using a position value of a vehicle and generating driving route information by reflecting the reference driving information in the searched driving route. The automatic driving system further includes a vehicle controller for determining a driving line and a driving speed by using the generated driving route information and performing unmanned automatic driving along the determined driving line at the determined driving speed. | 03-17-2011 |
20110095904 | METHOD AND SYSTEM FOR PROVIDING SAFETY GUIDANCE SERVICE - A method for providing a safety guidance service from a local server to a nomadic device includes gathering information regarding surrounding conditions within a service area on a road, receiving device information from the nomadic device, which enters the service area, determining whether or not the nomadic device is placed in a situation based on the device information, and when it is recognized that the situation has happened, providing safety guidance message suitable to the situation to the nomadic device. | 04-28-2011 |
20110125344 | AUTOMATIC VEHICLE GUIDANCE SYSTEM - A vehicle controller includes a communications unit for performing data communications with local servers; a local path generation unit for generating, in response to an automatic vehicle guidance service request, a local path based on a driving control command and sensing information received from the local servers via the communications unit; a path-following control unit for generating actuator control signals for controlling actuators of a vehicle to drive the vehicle along the local path; and a vehicle driving unit for driving the actuators according to the actuator control signals. Each local server pre-processes and merges sensor data received from the infra-sensor to generate the sensing information. A global server generates the driving control command based on the sensing information and transmits the driving control command to the local servers. | 05-26-2011 |
20110130894 | SYSTEM AND METHOD FOR PROVIDING DRIVING GUIDANCE SERVICE TO VEHICLES - A system for remotely controlling a vehicle in a service area divided into plural service sectors includes: an infra sensor module installed in each service sector for periodically sensing obstacles and vehicles within the service sector; a vehicle controller mounted in each vehicle for requesting the driving guidance service and automatically controlling the vehicle in accordance with a vehicle control signal; and a local server installed in each service sector for communicating with the vehicle controllers through a driving guidance network based on information on the obstacles and vehicles sensed by the infra sensor module. The system further includes a global server for allocating network resources of the driving guidance network to allow the local server to communicate with the vehicle controllers using the allocated network resources. | 06-02-2011 |
20110130918 | CELL-BASED VEHICLE DRIVING CONTROL METHOD AND SYSTEM - A cell-based vehicle driving control system includes a local server for obtaining road environment information on roads within a cell and target vehicle information on a target vehicle within the cell and generating local waypoints based on the road environment information and the target vehicle information; a global server for monitoring the target vehicle information, the road environment information and local server information on the local server received from the local server; and a vehicle control terminal, mounted in the target vehicle, for receiving the local waypoints from the local server and controlling the target vehicle based on the local waypoints. The road environment information is obtained by using at least one sensor installed on the roads. | 06-02-2011 |
20120163671 | CONTEXT-AWARE METHOD AND APPARATUS BASED ON FUSION OF DATA OF IMAGE SENSOR AND DISTANCE SENSOR - Disclosed herein are a context-aware method and apparatus. In the context-aware method, distance data is collected using a distance sensor. Thereafter, image data is collected using an image sensor. Thereafter, the distance data and the image data are fused with each other, and then context awareness is performed. Thereafter, safe driving management is performed based on the fusion of the data using the results of the context awareness. | 06-28-2012 |
20120185112 | APPARATUS AND METHOD FOR DETECTING LOCATION OF VEHICLE - Disclosed herein is an apparatus and method for detecting the location of a vehicle using results sensed by sensing devices installed outside the vehicle and the internal information of the vehicle without obtaining the current location information of the vehicle using signals transmitted from a Global Positioning System (GPS) satellite. The apparatus for detecting the location of a vehicle includes a location information reception unit for receiving location information that is generated by sensing a vehicle passing by a sensing point and that corresponds to the sensing point. A location detection unit estimates a current location of the vehicle based on information sensed by internal sensors of the vehicle and control information for a vehicle manipulation part while the location information is not received, and corrects the estimated current location of the vehicle using received location information when the location information is received. | 07-19-2012 |
20120188100 | TERMINAL, APPARATUS AND METHOD FOR PROVIDING CUSTOMIZED AUTO-VALET PARKING SERVICE - The present invention provides a terminal, apparatus and method for providing a customized auto-valet parking service. The server device includes a service registration management unit for receiving auto-valet parking profile information that includes information about one or more of a user, a vehicle, and a mobile terminal, and a parking map management unit for generating customized parking slots suitable for the user using the auto-valet parking profile information, and providing a parking area map, which includes information about the customized parking slots, to the mobile terminal. The parking map management unit receives information about a final slot selected by the user from among the customized parking slots via the mobile terminal, and provides a route to the final slot. | 07-26-2012 |
20130155222 | APPARATUS AND METHOD FOR RECOGNIZING LOCATION OF VEHICLE - Disclosed herein are an apparatus and method for recognizing the location of a vehicle. The apparatus includes a landmark recognition unit, a distance recognition unit, and a vehicle location calculation unit. The landmark recognition unit receives information about images of landmarks, indicated around a road in a direction in which the vehicle is traveling, from an image sensor, and recognizes a reference landmark closest to the vehicle based on the image information. The distance recognition unit collects values of distances to the reference landmark from the range sensor. The vehicle location calculation unit calculates the final location of the vehicle based on basic information about the reference landmark and the distance values. | 06-20-2013 |
20140236412 | APPARATUS AND METHOD FOR AUTOMATICALLY PARKING VEHICLE - Disclosed herein are an apparatus and method for automatically parking a vehicle. The apparatus for automatically parking a vehicle includes a location/heading information provision unit and a parking algorithm computation unit. The location/heading information provision unit calculates the corrected distances of movement of first and second wheels of the vehicle from the time at which parking is started using a plurality of correction factors that are calculated during a movement in any one of forward and rearward headings and during determination of a parking space, and calculates the changes in a heading and location of the vehicle using the corrected distances of movement. The parking algorithm computation unit generates a vehicle control signal intended to automatically park the vehicle in the parking space based on the changes in the heading and location of the vehicle. | 08-21-2014 |