Electronics and Telecommunications Research Institute

Jungsook Kim

Do Hyun Kim

Jeong Dan Choi

Kyung Bok Sung

Byung Tae Jang

Jong-Hyun Park

Kyeong Tae Kim

Jae Han Lim

Kyoung Hwan An

Jaejun Yoo

Sung Won Sohn

Seong Ik Cho

Ju Wan Kim

Jeong Ah Jang

Jin Young Moon

Hyun Kyu Cho

Byoung Youl Song

Chan Kyu Park

RockWon Kim

Daeha Lee

Ho Sang Ham

Seung Woo Jung

Hyunwoo Joe

Seunglak Choi

Yoon Joon Lee

Hyukjae Jang

Hangkyu Kim

The power management method performed by the power management apparatus includes switching an operation mode of the power management apparatus from a standby mode to a normal mode when a voltage of the power management apparatus operating in the standby mode increases from a first upper limit value to a second upper limit value, switching the operation mode of the power management apparatus to a minimum operation mode when the voltage of the power management apparatus decreases to a first lower limit value while operating in the normal mode, switching the operation mode of the power management apparatus to a sleep mode when the voltage of the power management apparatus decreases to a second lower limit value while operating in the minimum operation mode, and switching the operation mode of the power management apparatus to the standby mode while operating in the sleep mode.

Power management method and apparatus for awareness of power instability situation

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.

Cruise control system and method thereof

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.

Method and system for providing safety guidance service

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.

Automatic vehicle guidance system

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.

System and method for providing driving guidance service to vehicles

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.

Navigation apparatus and driving route information providing method using the same and automatic driving system and method

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.

Method for wireless communication in wireless sensor network environment

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.

Cell-based vehicle driving control method and system

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.

System and method for autonomous vehicle guiding using information technology infrastructure and server apparatus therefor

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.

Method for running vehicles detecting network and system thereof

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.

Adaptive communication method and sensor node for performing the method

A system and method for aborting web services automatically. An application program container has a first web service application program embedded, intercepts a message that is transmitted and received between a second web service program located externally and the first web service application program, identifies the kind of an operation requested by the second web service application program, and keeps information required for compensation. A protocol manager generates and manages a first sub-transaction object by a request of the second web service application program. A local compensator compensates the first sub-transaction if a global transaction coordinator sends a command to compensate a second sub-transaction already committed. A protocol service unit transmits and receives messages for managing the first sub-transaction. A registration service unit registers the generated first sub-transaction with the global transaction coordinator.

Growing community of inventors

Daejeon, South Korea

Jungsook Kim