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    • 2. 发明公开
    • 릴레이 기반 이동통신 네트워크에서의 무선 자원할당 장치 및 방법
    • 基于继电器的移动通信网络分配无线电资源的设备和方法
    • KR1020120083970A
    • 2012-07-27
    • KR1020110005231
    • 2011-01-19
    • 한국전자통신연구원성균관대학교산학협력단
    • 천경열박애순최범곤배성재정민영
    • H04W72/12H04B7/14H04W72/04H04B7/26
    • H04W72/1226H04L5/0032H04L5/0046H04W84/047H04W88/04H04B7/15542H04L1/0003H04L1/0026H04L5/0075H04W24/10
    • PURPOSE: A wireless resource allocating device in a relay based mobile communication network and a method thereof are provided to enable a base station and a relay to perform scheduling with only channel state information about a connected user terminal which is connected to the base station and the relay, thereby eliminating a need of the base station and the relay which obtains CQI reports about other user terminals which are not connected. CONSTITUTION: A base station receives a CQI(Channel Quality Indicator) report about a first relay zone from a base station terminal in a second relay zone(S801). The base station receives a CQI report about a first access zone from the base station terminal in a second access zone. At the same time, the base station schedules a third relay zone(S802). The base station transmits data to the base station terminal by scheduling a third relay zone. At the same time, the base station schedules a third access zone(S803). The base station transmits data to the base station terminal in the third access zone(S804).
    • 目的:提供一种基于中继的移动通信网络中的无线资源分配装置及其方法,使得基站和中继站能够仅使用与基站连接的连接用户终端的信道状态信息进行调度, 中继,从而不需要获得关于其他未连接的用户终端的CQI报告的基站和中继。 构成:基站从第二中继区域的基站终端接收关于第一中继区域的CQI(信道质量指示符)报告(S801)。 基站从第二接入区的基站终端接收关于第一接入区的CQI报告。 同时,基站安排第三中继区(S802)。 基站通过调度第三中继区向基站终端发送数据。 同时,基站安排第三个接入区(S803)。 基站向第三接入区域的基站终端发送数据(S804)。
    • 3. 发明公开
    • 단말기에서 수신신호 세기와 시신속도를 이용한 핸드오버 장치 및 방법
    • 在终端中使用接收到的信号强度和径向速度进行切换的装置和方法
    • KR1020120052074A
    • 2012-05-23
    • KR1020100113529
    • 2010-11-15
    • 한국전자통신연구원성균관대학교산학협력단
    • 천경열박애순구자헌배성재정민영
    • H04W36/30H04W36/32
    • H04W36/32
    • PURPOSE: A handover apparatus using reception signal strength and radial velocity and method thereof are provided to improve handover performance and to calculate radial velocity for each base station by measuring reception signal strength. CONSTITUTION: A reception signal strength measurement unit(212) measures the reception signal strength of handover candidate base stations and the reception signal strength of a base station. A reception signal speed measurement unit(214) measures the radial velocity of the handover candidate base stations and the radial velocity of the base station. When the reception signal strength of the base station is under reference reception signal strength, a handover processing unit(216) determines handover target base stations by using the measured reception signal strength and the measured radial velocity.
    • 目的:提供使用接收信号强度和径向速度的切换装置及其方法,以通过测量接收信号强度来改善切换性能并计算每个基站的径向速度。 结构:接收信号强度测量单元(212)测量切换候选基站的接收信号强度和基站的接收信号强度。 接收信号速度测量单元(214)测量切换候选基站的径向速度和基站的径向速度。 当基站的接收信号强度处于基准接收信号强度时,切换处理单元(216)通过使用测得的接收信号强度和测量的径向速度来确定切换目标基站。
    • 5. 发明公开
    • 단말간 직접 통신을 위한 송수신 방법 및 송수신기를 구비한 단말 장치
    • 用于设备到设备通信的检测方法和具有相同检测器的终端设备
    • KR1020130063633A
    • 2013-06-17
    • KR1020110130083
    • 2011-12-07
    • 한국전자통신연구원성균관대학교산학협력단
    • 정광렬양미정박애순정민영배성재구자헌
    • H04W88/06H04L27/26H04W92/18
    • H04W88/04H04W76/14
    • PURPOSE: A transmission and reception method for direct communication between the terminals is provided to directly support direct communication between the terminals in a mobile communication system. CONSTITUTION: A first switching unit(410) determines the application of DFT(Discrete Fourier Transform) according to a transmission method selected based on information for selecting a transmission method. A second switching unit(420) applies the P/S(Parallel-to-Serial) of a frequency surface or the P/S of a time surface according to the selected transmission method. The first switching unit controls the application of DFT for a modulation symbol outputted from a modulation symbol mapping unit. The second switching unit applies the P/S of the frequency surface of the P/S of a time surface to the output of a CP(Cyclic Prefix) adding unit. [Reference numerals] (210) Demodulation symbol mapping unit; (211) DFT unit; (220) Subcarrier mapping unit; (230) IFFT unit; (240) CP addition unit; (251) Frequency on-plane P/S unit; (252) Time on-plane P/S unit; (260) DAC unit; (270) RF transmission unit; (410) First switching unit; (420) Second switching unit; (AA) Transmission data; (BB,EE) General signal; (CC,FF) D2D signal; (DD) SC-FDMA/OFDMA transmission signal
    • 目的:提供用于终端之间的直接通信的发送和接收方法,以直接支持移动通信系统中终端之间的直接通信。 构成:第一切换单元(410)根据基于用于选择发送方法的信息选择的发送方法来确定DFT(离散傅立叶变换)的应用。 第二切换单元(420)根据所选择的传输方式应用频率表面的P / S(并行到串行)或时间表面的P / S。 第一切换单元控制从调制符号映射单元输出的调制符号的DFT的应用。 第二开关单元将时间表面的P / S的频率表面的P / S施加到CP(循环前缀)添加单元的输出。 (附图标记)(210)解调符号映射单元; (211)DFT单位; (220)子载波映射单元; (230)IFFT单位; (240)CP添加单元; (251)平面P / S单位; (252)时间平面P / S单位; (260)DAC单元; (270)RF传输单元; (410)第一开关单元; (420)第二开关单元; (AA)传输数据; (BB,EE)一般信号; (CC,FF)D2D信号; (DD)SC-FDMA / OFDMA传输信号