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    • 2. 发明公开
    • 적응적 안테나 기반 차세대 이동통신시스템에서 기지국의 동작주파수 선택방법
    • 基于自适应天线的未来无线通信系统的动态频率选择方法
    • KR1020110008705A
    • 2011-01-27
    • KR1020090066188
    • 2009-07-21
    • 한국과학기술원
    • 조동호배치성김우찬이웅섭
    • H04B7/04H04B15/00
    • H04W72/082H04L25/08H04W64/00
    • PURPOSE: A dynamic frequency selecting method in adaptive antenna based next generation mobile communication system is provided to select the FA(Frequency Assignment) of a pico base station depending on the peripheral interference when a macro base station and plural pico base stations exist hierarchically. CONSTITUTION: A pico base station detects the location of interference nodes by using an adaptive antenna(S61), and rotates and transmits a beam to which a beam number for each rotation angle is assigned(S62). The pico base station detects the positions of service target terminals(S64). The pico base station calculates the amount of interference caused by the interference nodes for each service target terminal(S65). The pico base station selects the FA of which interference amount for each service target terminal is minimized(S66).
    • 目的:提供一种基于自适应天线的下一代移动通信系统中的动态频率选择方法,当宏基站和多个微微基站分层存在时,根据外围干扰选择微微基站的FA(频分配)。 构成:微微基站通过使用自适应天线来检测干扰节点的位置(S61),并旋转并发送分配有每个旋转角度的波束号的波束(S62)。 微微基站检测服务对象终端的位置(S64)。 微微基站计算每个服务目标终端的干扰节点造成的干扰量(S65)。 微微基站选择每个服务目标终端的干扰量最小化的FA(S66)。
    • 3. 发明公开
    • 차세대 이동통신시스템에서 협력노드 선택방법
    • 下一代移动通信系统中的合作伙伴节点选择方法
    • KR1020110008703A
    • 2011-01-27
    • KR1020090066186
    • 2009-07-21
    • 한국과학기술원
    • 조동호배치성김우찬이웅섭
    • H04W40/32H04W40/12
    • H04W40/32H04W40/12H04W40/22
    • PURPOSE: A partner node selecting method in the next generation mobile communication system is provided to select an optimal collaboration node when transmitting data to a base station through collaborative transmission. CONSTITUTION: A transmission terminal calculates the transmission delay time for all communication paths between a transmission terminal and a base station(S21), and the transmission terminal selects a communication path which has minimal transmission delay time(S22). The transmission terminal selects the terminal, which is closest to the transmission terminal, as a collaborative node(23), wherein the terminal is one of the terminals which constitute the selected communication path. The transmission delay time of the communication path is the sum of the inverse link transmission rates between the terminals.
    • 目的:提供下一代移动通信系统中的伙伴节点选择方法,用于通过协作传输向基站发送数据时选择最佳协作节点。 构成:传输终端计算发送终端与基站之间的所有通信路径的传输延迟时间(S21),发送终端选择传输延迟时间最短的通信路径(S22)。 发送终端选择最靠近发送终端的终端作为协作节点(23),其中终端是构成选择的通信路径的终端之一。 通信路径的传输延迟时间是终端之间的反向链路传输速率之和。
    • 4. 发明公开
    • 애드혹 네트워크에서의 그룹 협력 전송방법
    • 用于AD-HOC网络的集团合作通信方法
    • KR1020110006197A
    • 2011-01-20
    • KR1020090063715
    • 2009-07-13
    • 한국과학기술원
    • 조동호배치성김우찬이웅섭전수용편성엽
    • H04L12/28H04B7/04H04W84/18
    • H04B7/0426H04W84/18
    • PURPOSE: A group cooperation transmission method at an ad hoc network is provided to select cooperation node among transmitting or receiving node group under a specific rules. CONSTITUTION: Terminals within the ad-hoc network calculate the weighted value based on the group separation possibility. The terminals within the ad-hoc network share the weighting value. A transmission node selects the cooperative node of the transmission group and cooperation nodes of the receiving group based on the weighting value(S41). The transmitting node divides the transmitting data into the number of source nodes. The transmitting node transmits the divided transmitting data to the cooperation nodes of the transmitting group(S42).
    • 目的:提供一种自组织网络中的组合传输方法,以特定规则在发送节点组或接收节点组之间选择合作节点。 构成:自组织网络中的终端根据组分离可能性计算加权值。 自组织网络中的终端共享加权值。 发送节点根据加权值选择发送组和接收组的合作节点的协作节点(S41)。 发送节点将发送数据划分为源节点数。 发送节点将分割的发送数据发送到发送组的合作节点(S42)。