Patent application number | Description | Published |
20100030540 | SYSTEM AND METHOD FOR RECONSTRUCTING TRAFFIC ACCIDENT - Provided is a system and method for automatically reconstructing a traffic accident. The accident reconstructing system includes a data collecting unit, a geographical data providing unit, and an accident analyzing unit. The data collecting unit collects/transmits accident-related data according to the occurrence of a traffic accident. The geographical data providing unit transmits the geographical data of the neighborhood of the accident site. The accident analyzing unit reconstructs the traffic accident virtually on the basis of the data outputted from the data collecting unit and the geographical data providing unit. | 02-04-2010 |
20100098048 | METHOD FOR HYBRID MEDIUM ACCESS CONTROL FOR VEHICLE COMMUNICATION - A method for hybrid media access control for vehicle communication is provided. The method divides a radio channel into time slots, which are predetermined time units, and sets terminals as owners or non-owners for the divided time slots to be able to access the channel. Accordingly, it is possible to reduce the probability of contention by distributed access to the slots and provide a MAC protocol having excellent performance. | 04-22-2010 |
20100158164 | APPARATUS AND METHOD FOR TIME SYNCHRONIZATION AND RECEPTION APPARATUS OF OFDM SYSTEM - An apparatus for time synchronization of an orthogonal frequency division multiplexing (OFDM) system oversamples a received signal using a master clock having a frequency at least four times higher than a minimum sampling frequency in a transmission apparatus, sets one of a plurality of oversampled signals to an on-time signal, and shifts each of the remaining oversampled signals by a predetermined time on the basis of the on-time signal. The apparatus for time synchronization calculates a correlation value by correlating each of the shifted signals and the on-time signal with a previously known signal, detects a maximum energy value among the calculated correlation values, and detects a start point of a frame by comparing the maximum energy value with a predetermined threshold value. | 06-24-2010 |
20100173603 | METHOD AND SYSTEM FOR TRANSMITTING AND RECEIVING WARNING MESSAGE - Provided are a method and a system for transmitting and receiving a warning message that rapidly inform an adjacent hop of a dangerous situation that occurs on a road. The method for transmitting the warning message includes selecting one or more relay vehicles by using distances between vehicles and state information of the vehicles when the dangerous situation occurs on a road or outside, and increasing a warning message sequence number and generating and transmitting a warning message containing an identifier of the relay vehicle and a retransmission time. | 07-08-2010 |
20100184369 | COOPERATIVE COMMUNICATION METHOD FOR VEHICULAR COMMUNICATION - A cooperative communication method for vehicular communication is provided. The method in which when one vehicle transmits a signal to another vehicle, a signal of a transmission vehicle passes through a roadside device or a plurality of vehicles and thereafter signals having a plurality of paths are transmitted to a reception vehicle, and the reception vehicle combines and demodulates the signals received through the plurality of paths. | 07-22-2010 |
20110018732 | DEVICE AND METHOD FOR COLLECTING INFORMATION RELATED TO INFRASTRUCTURE, AND POSITIONING METHOD AND SYSTEM USING THE SAME - An infrastructure information collecting device collects measurement information including location information regarding a plurality of wireless access devices disposed in an indoor space based on an indoor map, and a positioning system generates information regarding a wireless communication infrastructure of the corresponding indoor space based on the thusly collected measurement information. The positioning system then provides the generated wireless communication infrastructure information to a terminal of which location is desired to be measured, and then the terminal measures its location based on the wireless communication infrastructure information and signals received from nearby wireless access devices. | 01-27-2011 |
20110102180 | APPARATUS AND METHOD FOR ESTIMATING TAG LOCATION - A first tag that is located in a communication coverage area among a plurality of tags is selected as a base tag in order to estimate tag location in an apparatus for estimating tag location that communicates with a plurality of tags. A second tag whose location is estimated among the plurality of tags is searched. First distance information of the second tag is estimated by performing a ranging procedure of the second tag. The second distance information estimated between the first tag and the second tag is received from the first tag, and the location information of the second tag is estimated by using the first distance information and the second distance information. | 05-05-2011 |
20110144858 | VEHICLE GATEWAY, AND APPARATUS AND METHOD FOR VEHICLE NETWORK INTERFACE - Provide are a vehicle gateway, and an apparatus and a method for vehicle network interface. The vehicle gateway includes a first interface connected to each unit of a vehicle network, a second interface connected to one or more access devices acquiring vehicle information from the vehicle network, and a packet processor connecting the first interface to the second interface, and determining a communication system and a communication path to each of the access devices and a process order of the vehicle information acquisition. | 06-16-2011 |
20110153652 | METHOD FOR TRANSMITTING VEHICLE INFORMATION - A method for a vehicle information collecting device installed in a vehicle to transmit vehicle information includes: generating a vehicle information identifier list including a plurality of vehicle information and a plurality of vehicle information identifiers respectively mapped on the plurality of vehicle information; transmitting the vehicle information identifier list to a terminal; receiving a request for transmitting vehicle information corresponding to at least one vehicle information identifier included the vehicle information identifier list from the terminal; and transmitting vehicle information corresponding to the at least one vehicle information identifier to the terminal based on the vehicle information identifier list. | 06-23-2011 |
20120095681 | MULTI-USER RELATIONSHIP-BASED NAVIGATION APPARATUS AND NAVIGATION MANAGEMENT METHOD USING THE SAME - Disclosed herein is a multi-user relationship-based navigation apparatus. The multi-user relationship-based navigation apparatus includes a traveling situation information collection unit, a traveling situation information transmitting/receiving unit, a path information extraction unit, and a path display unit. The traveling situation information collection unit collects the traveling situation information of a user. The traveling situation information transmitting/receiving unit receives the common traveling situation information of other users in a multi-user relationship, and transmits the traveling situation information. The path information extraction unit extracts path information, related to paths on which the other users actually traveled, from the common traveling situation information. The path display unit displays a path to a destination of the user, the path being generated using the path information. | 04-19-2012 |
20120101719 | APPARATUS AND METHOD FOR DETECTING LOCATIONS OF VEHICLE AND OBSTACLE - Disclosed herein is an apparatus for detecting locations of a vehicle and an obstacle. The apparatus for detecting locations of a vehicle and an obstacle includes at least one distance measurement unit and a data processing unit. The distance measurement unit measures distance data relevant to a vehicle and an obstacle within a measurement area. The data processing unit maps the distance data on a grid layer, detects the location of the vehicle based on the result of the mapping, detects the location of the obstacle based on the detected location of the vehicle, and modifies the detected location of the vehicle using the distance data. | 04-26-2012 |
20120136510 | APPARATUS AND METHOD FOR DETECTING VEHICLES USING LASER SCANNER SENSORS - Disclosed herein is an apparatus for detecting vehicles using laser scanner sensors. The apparatus includes a vehicle location detection unit, a shadow area detection unit, an estimation unit, and a control unit. The vehicle location detection unit detects information about locations and headings of target vehicles located in a local detection area from sensors arranged on the road. The shadow area detection unit calculates shadow areas corresponding to the respective sensors based on the information about the locations of the target vehicles and information about types of the target vehicles. The estimation unit estimates the locations and shadow areas of the target vehicles which will be obtained after a predetermined time has elapsed. When a specific target vehicle tries to enter one of the estimated shadow areas, the control unit outputs a speed control command used to decrease the speed of the specific target vehicle. | 05-31-2012 |
20120161713 | VEHICLE ENERGY HARVESTING APPARATUS AND ENERGY MANAGEMENT METHOD THEREOF - Disclosed herein is a vehicle energy harvesting apparatus. The vehicle energy harvesting apparatus includes a battery unit, an energy collection unit, an external charging interface, and an energy management unit. The battery unit is formed in a vehicle. The energy collection unit is provided on one side of the vehicle, and configured to generate renewable power by collecting renewable energy. The external charging interface is formed on one side of the vehicle in order to exchange power between the battery unit and a smart grid. The energy management unit is configured to perform control such that the renewable power of the energy collection unit is stored in the battery unit, and such that power is exchanged between the battery unit and the smart grid using the external charging interface. | 06-28-2012 |
20120163275 | METHOD OF PROVIDING WIRELESS COMMUNICATION BETWEEN VEHICLE AND ROADSIDE AND VEHICLE WIRELESS COMMUNICATION DEVICE USING THE SAME - Disclosed herein is a method of providing vehicle wireless communication. In the method, a vehicle receives hand-over-related link information, which includes slot request information about slots requested by a vehicle to a roadside wireless communication device for hand-over of the vehicle, from a central control server. A hand-over preparation message, which includes the hand-over-related link information, is send to a vehicle wireless communication device connected to the vehicle. It is determined that the vehicle completed preparation for performance of the hand-over when a response message to the hand-over preparation message is received from the vehicle wireless communication device. Slots are allocated in consideration of the hand-over-related link information. Beacon frames, which include slot allocation information about the allocated slots, are transmitted to the vehicle wireless communication device. Accordingly, the vehicle wireless communication device and the roadside wireless communication device can reliably perform communication without interruption. | 06-28-2012 |
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 |
20120314643 | MULTICASTING SYSTEM AND METHOD FOR VEHICULAR COMMUNICATION NETWORK - Disclosed herein are a multicasting system and method for a vehicular communication network. The multicasting system includes a plurality of roadside communication devices for communicating with a plurality of vehicular communication devices. Each of the roadside communication devices includes a communication unit for communicating with the plurality of vehicular communication devices and at least one neighboring roadside communication device, a beacon analysis unit for analyzing beacon frames when a slot allocation request is received from one of the vehicular communication devices, a determination unit for searching for a period in which a slot has not been allocated and determining whether a period for allocation of a slot to the vehicular communication device is present, and a slot allocation unit for allocating a slot period for multicasting of the vehicular communication device based on results of the determination of the determination unit. | 12-13-2012 |
20130162824 | APPARATUS AND METHOD FOR RECOGNIZING CURRENT POSITION OF VEHICLE USING INTERNAL NETWORK OF THE VEHICLE AND IMAGE SENSOR - An apparatus and method for recognizing a current position of a vehicle are disclosed. The apparatus receive information about an initial position of a vehicle from an external input, and receive an image signal from an image sensor to take a picture of an identifiable object and extract image signal information corresponding to the identifiable object from the image signal, and connect to an internal network of the vehicle of the vehicle and receive information about a traveling state of the vehicle, and calculate the current position of the vehicle based on the information obtained. | 06-27-2013 |
20130211656 | AUTONOMOUS DRIVING APPARATUS AND METHOD FOR VEHICLE - Disclosed herein are an autonomous driving apparatus and method for a vehicle. The autonomous driving apparatus includes an autonomous driving context data processing unit, a simulator unit, a section determination unit, a path planning unit, and a context determination main control unit. The autonomous driving context data processing unit gathers autonomous driving context data. The simulator unit simulates autonomous driving based on the gathered autonomous driving context data. The section determination unit determines a reliable section or an unreliable section based on results of the simulation. The path planning unit searches for at least one global path to a set destination based on results of the determination, and searches the at least one global path for a local path along which the autonomous driving is possible. The context determination main control unit controls the autonomous driving of the vehicle along the local path. | 08-15-2013 |
20130260759 | METHOD FOR HANDOVER IN VEHICULAR COMMUNICATIONS AND ON-BOARD EQUIPMENT USING THE SAME - Disclosed herein are a method for handover in vehicular communications and On-Board Equipment (OBE) using the same. In the method for handover in vehicular communications, OBE performs a handover from first Road-Side Equipment (RSE) to second RSE. The OBE receives beacon frames from the first RSE and the second RSE. The first average value of a received signal strength indication corresponding to the beacon frame received from the first RSE and the second average value of a received signal strength indication corresponding to the beacon frame received from the second RSE are calculated. The first cumulative gradient of the first average value and the second cumulative gradient of the second average value are calculated. The handover from the first RSE to the second RSE is performed based on the first average value, the second average value, the first gradient, and the second gradient. | 10-03-2013 |
20130307981 | APPARATUS AND METHOD FOR PROCESSING DATA OF HETEROGENEOUS SENSORS IN INTEGRATED MANNER TO CLASSIFY OBJECTS ON ROAD AND DETECT LOCATIONS OF OBJECTS - Disclosed herein are an apparatus and method for processing the data of heterogeneous sensors in an integrated manner to classify one or more objects on a road and detect the locations of the objects. The apparatus includes a camera image processing unit, a scanning information processing unit, and an integrated processing unit. The camera image processing unit generates the results of the processing of camera images based on the camera images collected from one or more cameras. The scanning information processing unit generates the results of the processing of scanning information based on the scanning information collected from one or more laser scanners. The integrated processing unit generates the types and final locations of the objects located on the road by processing the generated results of the processing of the camera images and the generated results of the processing of the scanning information in an integrated manner. | 11-21-2013 |
20140070960 | APPARATUS FOR GATHERING SURROUNDINGS INFORMATION OF VEHICLE - An apparatus for gathering information about surroundings of a vehicle includes: a vehicle sensor data gathering block configured to gather first information about surroundings of the vehicle from one or more sensors mounted on the vehicle; a roadside equipment data gathering block configured to gather second information about surroundings of the vehicle from a roadside communication device installed on a driving infrastructure; and a data integration block configured to classify the first information about surroundings and the second information about surroundings for predefined data types and integrate and manage the classified information about surroundings based on a preset reliability criterion. | 03-13-2014 |
20140136090 | VEHICLE TERMINAL APPARATUS AND METHOD FOR CONTROLLING THE SAME - A vehicle terminal apparatus and method for controlling the apparatus that receives vehicle location information, registers a service based on service notification information subsequent to receiving the service notification information, and extracts traffic information based on the vehicle location information is provided. | 05-15-2014 |
20140214271 | APPARATUS AND METHOD FOR DETECTING OBSTACLE ADAPTIVELY TO VEHICLE SPEED - Disclosed herein are an apparatus and method for detecting an obstacle adaptively to vehicle speed. The apparatus includes a control unit, a speed-adaptive camera sensor, a speed-adaptive laser scanner sensor, and a detection data integration unit. The control unit receives information about the speed of a vehicle and a Pulse Per Second (PPS) signal from a Global Positioning System (GPS) module. The speed-adaptive camera sensor adjusts the range of a detection region based on the information about the speed of the vehicle, and generates first detection data on an object. The speed-adaptive laser scanner sensor adjusts the range of the angle of the field of view of a laser scanner based on the information about the speed of the vehicle, and generates second detection data on the object. The detection data integration unit outputs obstacle detection data. | 07-31-2014 |
20140303882 | APPARATUS AND METHOD FOR PROVIDING INTERSECTION COLLISION-RELATED INFORMATION - Disclosed herein are an apparatus and method for providing intersection collision-related information. The apparatus for providing intersection collision-related information includes a surrounding information acquisition unit, a collision-related information calculation unit, and a collision-related information provision unit. The surrounding information acquisition unit acquires intersection traffic information including vehicle heading information, vehicle turning frequency information, vehicle trajectory information and vehicle speed information from one or more of a road sensor provided at an intersection and a vehicle sensor provided in a vehicle. The collision-related information calculation unit calculates intersection collision-related information including the degree of vehicle collision risk that is calculated using the intersection traffic information. The collision-related information provision unit provides the calculated intersection collision-related information to a user. | 10-09-2014 |