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    • 3. 发明公开
    • 차량통신환경에서 협력통신을 수행하기 위한 장치 및 방법
    • 在环境环境中执行合作通信的装置和方法
    • KR1020130067455A
    • 2013-06-24
    • KR1020110134846
    • 2011-12-14
    • 한국전자통신연구원
    • 조웅
    • H04L27/00H04B7/14
    • H04L27/0008H04B7/155
    • PURPOSE: A device and a method for cooperative communication in a vehicle communication environment are provided to improve communication performance with a cooperative communication technique obtaining a diversity gain by combining a remodulated signal transmitted from a relay. CONSTITUTION: A transmission vehicle of a vehicle transmission system modulates signal in a synchronous method(S100). A relay arranged in road side equipment and a relay arranged in a neighboring vehicle receive a synchronous modulation signal and demodulate the synchronous modulation signal with a synchronous method using each channel information(S110). The relay completes the demodulation of the synchronous modulation signal and remodulates the demodulated synchronous modulation signal using a differential method(S120). The relay transmits the remodulated demodulated synchronous modulation signal to a reception vehicle(S130). The reception vehicle demodulates the differential remodulation signal transmitted from each relay in the differential method(S140). [Reference numerals] (AA) Start; (BB) End; (S100) Vehicle transmission system modulating signal in a synchronous method; (S110) Synchronous modulation signal with a synchronous method using each channel information; (S120) Remodulating the demodulated synchronous modulation signal using a differential method; (S130) Transmittance of remodulated demodulated synchronous modulation signal to a reception vehicle; (S140) Demodulation of different remodulation signal transmitted from each relay in different method
    • 目的:提供一种用于车辆通信环境中的协作通信的装置和方法,以通过组合从继电器发送的再调制信号获得分集增益的协作通信技术来提高通信性能。 构成:车辆传动系统的传动车辆以同步方式调制信号(S100)。 布置在路侧设备中的继电器和布置在相邻车辆中的继电器接收同步调制信号并且使用每个信道信息以同步方式解调同步调制信号(S110)。 继电器完成同步调制信号的解调,并使用差分方法对解调的同步调制信号进行再调制(S120)。 继电器将再调制的解调同步调制信号发送到接收车辆(S130)。 接收车辆以差分方式解调从各继电器发送的差分再调制信号(S140)。 (附图标记)(AA)开始; (BB)结束; (S100)同步方式的车辆传输系统调制信号; (S110)使用各信道信息的同步方式的同步调制信号; (S120)使用微分方法对解调后的同步调制信号进行重调制; (S130)再调制解调同步调制信号向接收车辆的传输; (S140)以不同的方式解调从每个继电器发送的不同的再调制信号
    • 4. 发明公开
    • 차량통신 핸드오버 지원을 위한 신호생성 방법
    • 用于车辆通信切换的信号生成方法
    • KR1020110129284A
    • 2011-12-01
    • KR1020100048835
    • 2010-05-25
    • 한국전자통신연구원
    • 이상우김민정조웅오현서
    • H04W36/18H04W4/04
    • H04W36/08H04W36/18
    • PURPOSE: A method for generating a signal for supporting vehicle communication handover is provided to stably support handover technology by continuously supplying a service without disconnection when a vehicle moves at high speed. CONSTITUTION: If a first RSE(Road Side Equipment)(100b) and a second RSE(100a) near the first RSE support handover in a vehicle, the first RSE generates a longer first channel occupation signal than the second RSE in a control channel of an N-th sync section(400). The second RSE generates a longer second channel occupation signal than the first RSE in the control channel of a (N+1)-th sync section(500).
    • 目的:提供一种用于生成用于支持车辆通信切换的信号的方法,以便在车辆高速移动时,通过连续提供服务而不断开来稳定地支持切换技术。 构成:如果第一RSE附近的第一RSE(路侧设备)(100b)和第二RSE(100a)支持车辆中的切换,则第一RSE在控制​​信道中产生比第二RSE更长的第一信道占用信号 第N同步部分(400)。 第二RSE产生比第(N + 1)同步段(500)的控制信道中的第一RSE更长的第二信道占用信号。
    • 5. 发明公开
    • 차량 통신에서의 협력 통신 방법
    • 合作通信方式的通信
    • KR1020100064304A
    • 2010-06-14
    • KR1020090037198
    • 2009-04-28
    • 한국전자통신연구원
    • 조웅오현서곽동용
    • H04B7/14H04W84/04
    • H04B7/026H04B7/0634H04B7/15521
    • PURPOSE: A cooperative communications method in a vehicular communication is provided to define signal transmission method in a transmission vehicle, thereby improving communication function according to spatial diversity gain. CONSTITUTION: When a vehicle-S(100) transfers a signal to vehicle-D(300), a signal transmitted form vehicle-S is transferred to vehicle-D through roadside device-R(200) or vehicle-R1 and vehicle-R2. The vehicle-D demodulates the signal after a signal received from various paths. The roadside device-R, the vehicle-R1, the vehicle-R2 performs relay role for signal transformation of the vehicle-S.
    • 目的:提供一种车载通信中的协作通信方法,用于定义传输车辆中的信号传输方法,从而根据空间分集增益改善通信功能。 规定:当车辆S(100)将信号传送到车辆D(300)时,从车辆S传送的信号通过路侧设备-R(200)或车辆R1和车辆R2被传送到车辆D 。 车辆D在从各种路径接收到的信号之后对信号进行解调。 路边设备-R,车辆R1,车辆R2执行用于车辆S的信号变换的中继角色。
    • 7. 发明公开
    • 주행 안전 제공 시스템 및 방법
    • 用于提供驾驶安全的系统和方法
    • KR1020110037683A
    • 2011-04-13
    • KR1020090095223
    • 2009-10-07
    • 한국전자통신연구원
    • 오현서최현균김현숙박종현손승원이상우조웅
    • G01S13/93G08G1/16
    • G01S13/91G08G1/163
    • PURPOSE: A system and method for providing driving safety are provided to prevent a rear end collision of a vehicle. CONSTITUTION: A radar(202) transmits signals which belong to a fixed frequency band to vehicles, analyzes signals received from the vehicles, calculates the location and distance information of the vehicles, and obtains information about the distances among the vehicles based on the location and distance information. A controller(206) receives driving speed information from a vehicle information terminal device, and determines whether the vehicle drive safely based on driving speed information and the information about the distances among the vehicles to transmit a safety warning message for driving safety to the vehicle information terminal device.
    • 目的:提供一种用于提供驾驶安全的系统和方法,以防止车辆的后端碰撞。 构成:雷达(202)将属于固定频带的信号发送到车辆,分析从车辆接收到的信号,计算车辆的位置和距离信息,并根据位置和位置获得关于车辆之间的距离的信息, 距离信息。 控制器(206)从车辆信息终端装置接收行驶速度信息,根据驾驶速度信息和关于车辆之间的距离的信息来安全地驾驶车辆,以将安全性的安全警告信息发送给车辆信息 终端设备。
    • 8. 发明公开
    • 핸드오버 시점 결정 장치 및 방법
    • 用于决定切换点的装置和方法
    • KR1020130033797A
    • 2013-04-04
    • KR1020110097712
    • 2011-09-27
    • 한국전자통신연구원
    • 이상우김민정조웅오현서조한벽
    • H04W36/32
    • H04W36/32H04W36/04H04W36/08
    • PURPOSE: A handover point determination device and a method thereof are provided to offer successive communication to a vehicle by determining the handover point using GPS(Global Positioning System) information and the strength of the signal transmitted from a base station. CONSTITUTION: When the number of effective base stations is two or more, a signal accumulation management unit(120) accumulates the strength differences of a signal transmitted repetitively from each effective base station. The signal accumulation management unit updates the handover accumulated determining value. A handover time point determination unit(140) executes the control operation in order to execute the handover of the vehicle satisfied with the set handover time value by considering the speed of the vehicle. [Reference numerals] (110) Valid base station management unit; (120) Signal accumulation management unit; (130) GPS information management unit; (140) Handover time point determination unit; (150) Execution unit;
    • 目的:提供一种切换点确定装置及其方法,通过使用GPS(全球定位系统)信息和从基站发送的信号的强度确定切换点来向车辆提供连续的通信。 构成:当有效基站的数量为两个以上时,信号累积管理单元(120)累积从每个有效基站重复发送的信号的强度差。 信号累积管理单元更新切换累积确定值。 切换时刻确定单元(140)通过考虑车辆的速度来执行控制操作以执行满足设定的切换时间值的车辆的切换。 (附图标记)(110)有效基站管理单元; (120)信号累积管理单元; (130)GPS信息管理单元; (140)切换时间点决定单元; (150)执行单位;