【摘要】 无线传感器网络中新加入的节点需要定位,但并不一定需要全部网络节点都参与和重新定位.据此提出了一种新的针对新入节点的定位算法.算法仅对新加入的节点进行坐标计算,较大程度地节省了网络能耗,提高了定位速度.仿真实验结果显示了该定位算法在两种坐标计算方法下所达到的定位精度和实现定位所需要的邻居节点范围,并且证明该算法对于不规则形状的网络拓扑分布具有较强的适应性.更多还原

【Abstract】 A novel algorithm is put forward so as to the characters that a few new comers, instead of whole network, need to be located in WSN. It only computes coordinates of newly joined nodes and avoids being concerned with all nodes in networks. In this way, the energy is saved greatly and localization speed is improved. Simulation results show the localization accuracy of algorithm in two methods and required bounds of neighbors for localization. The algorithm is also adaptive to irregular distribution of sensor nodes.更多还原