Abstract
In order to eliminate the influence of Non-Line-Of-Sight(NLOS) transmission error in wireless sensor network node localization,and solve the problem of possible convergence in the Newton iterative algorithm,a Newton iterative localization algorithm based on the weighted residual was proposed.First,residual weighting algorithm was used for positioning to get the unknown node's preliminary position,then the node position was used as an initial value to iterate and calculate in Newton iterative localization algorithm,finally the precise position of the unknown node was obtained.The simulation results show that this algorithm can effectively restrain the effect of NLOS propagation error,improve the precision of sensor network node localization,and has stable performance.
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