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    • 3. 发明公开
    • POSITIONSBESTIMMUNG VON SENSORKNOTEN EINES SENSORNETZWERKES
    • EP3227709A1
    • 2017-10-11
    • EP15801399.5
    • 2015-11-25
    • Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V.Friedrich-Alexander-Universität Erlangen-Nürnberg
    • FRANKE, NorbertKILIAN, GerdFORSTER, ChristianTRÖGER, Hans-MartinTHIELECKE, JörnROBERT, JörgHARTMANN, Markus
    • G01S5/02G01S5/12H04W84/18H04L5/00H04L27/26
    • The invention relates to a method for determining the position of a first sensor node relative to a second sensor node, wherein the first and the second sensor nodes are communicatively connected to each other and are a constituent part of a sensor network, comprising the method steps: reception of signal sections of transmitted signals from at least two transmitters by the first and the second sensor node, beginning at a time t
      1 for a time period t
      RX ; determining the angle of incidence of the transmitted signals to at least one of the sensor nodes; determining the distance between the sensor nodes from the propagation time differences of the transmitted signals from the at least two transmitters received at the first and second sensor nodes; determining the position of the first sensor node relative to the second sensor node from the distance between the sensor nodes and the angle of incidence of the transmitted signals, wherein the sensor nodes determine the time t
      1 and the time period t
      RX in relation to a reference frequency which is derived from the received transmitted signal from at least one of the transmitters.
    • 本发明涉及一种用于确定第一传感器节点相对于第二传感器节点的位置的方法,其中第一和第二传感器节点彼此通信连接并且是传感器网络的组成部分, :通过第一和第二传感器节点接收来自至少两个发射机的发射信号的信号部分,从时间t 1开始持续时间段t RX; 确定传输信号对至少一个传感器节点的入射角; 根据在第一和第二传感器节点处接收的来自至少两个发射机的发射信号的传播时间差来确定传感器节点之间的距离; 根据传感器节点之间的距离和传输信号的入射角来确定第一传感器节点相对于第二传感器节点的位置,其中传感器节点确定时间t 1和时间段t RX相对于 该参考频率是从至少一个发射机接收的发射信号中导出的。