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根据干扰信号的衰减效应,提出了一种分布式的基于接收干扰信号强度估计的干扰源定位算法,为后续开展干扰防御措施提供了前提和基础。该算法通过估计节点自身的接收干扰信号强度,并结合功率自适应技术,与周围邻居节点交互信息,从而沿着接收干扰信号强度梯度上升的方向逼近干扰源直至达到接收干扰信号强度最大的节点,并将此节点的位置作为估计得到的干扰源位置。结果表明,该算法可以较准确定位干扰源位置。
According to the attenuation effect of the interference signal, a distributed interference source localization algorithm based on the received interference signal strength estimation is proposed, which provides the premise and basis for subsequent interference defense measures. By estimating the strength of the received interference signal of the node itself and combining with the power adaptive technique, the algorithm interacts with the neighboring nodes to get the interference signal from the interference source in the direction of the rising edge of the received interference signal until it reaches the node with the highest received signal strength. And use the position of this node as the estimated interference source position. The results show that the algorithm can locate the interference source more accurately.