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    • 3. 发明公开
    • 가시광 통신을 이용한 차량간 통신 장치 및 그 방법
    • 使用可见光通信的车辆到车辆通信的装置及其方法
    • KR1020100049488A
    • 2010-05-12
    • KR1020090102651
    • 2009-10-28
    • 한국전자통신연구원
    • 임상규강태규김대호이권형김태완정명애손승원
    • H04B10/116G08G1/09
    • PURPOSE: An apparatus for vehicle-to-vehicle communication using visible light communication and a method of the same are provided to improve the safety driving by communicating with the arbitrary vehicle to the visible light. CONSTITUTION: A receiving unit(310) receives a optical signal including the information about the ambient vehicle through a plurality of receivers arranged as the different direction from the neighboring other vehicles. A control unit(320) analyzes the received signal and grasps the location information of the ambient vehicle and determines the car control operation based on the grasped location information. A driving unit(340) runs an actuator coping with the control action pitching with the control unit.
    • 目的:提供一种使用可见光通信的车辆到车辆通信的装置及其方法,以通过与任意车辆通信可见光来改善安全驾驶。 构成:接收单元(310)通过布置成与相邻的其他车辆不同的方向布置的多个接收器来接收包括关于环境车辆的信息的光信号。 控制单元(320)分析接收到的信号并掌握环境车辆的位置信息,并且基于掌握的位置信息确定轿厢控制操作。 驱动单元(340)使用控制单元执行与控制动作俯仰对应的致动器。
    • 4. 发明公开
    • 다중 반송파를 이용한 가시광 무선통신 시스템 및 그 방법
    • 用于具有多载波调制的可见光通信系统及其方法
    • KR1020100065034A
    • 2010-06-15
    • KR1020090028607
    • 2009-04-02
    • 한국전자통신연구원
    • 이권형강태규임상규김대호김태완정명애손승원
    • H04B10/116H04B10/50
    • PURPOSE: A visible light wireless communication system by using multi carrier and a method thereof are provided to use multi carrier technique capable of higher order modulation, thereby overcoming the limit of the transmission speed on existing strength modulation method in a VLC(Visible Light Communications). CONSTITUTION: A modulator unit(110) performs the symbol-mapping of transmission data. The modulator unit modulates symbols into parallel data. The modulator unit performs IFFT(Inverse Fast Fourier Transform) of the modulated data. The modulator unit divides the IFFT result value into the real number data and imaginary number data. A DAC(Digital Analog Converter) unit(130) respectively converts the real number data and imaginary number data into analog signal. A transmitting unit(150) transmits the converted real number data and imaginary number data by the visible ray.
    • 目的:提供一种使用多载波的可见光无线通信系统及其方法,以使用能够进行高阶调制的多载波技术,从而克服了VLC(可见光通信)中的现有强度调制方法的传输速度的限制, 。 构成:调制器单元(110)执行发送数据的符号映射。 调制器单元将符号调制为并行数据。 调制器单元执行调制数据的IFFT(快速傅立叶逆变换)。 调制器单元将IFFT结果值分为实数数据和虚数数据。 DAC(数字模拟转换器)单元(130)分别将实数数据和虚数数据转换为模拟信号。 发送单元(150)通过可见光发送经转换的实数数据和虚数数据。