针对DV-Hop算法在定位过程中因存在平均每跳距离误差大以及误差累积而导致定位精度不高的问题,提出了基于无线传感器网络的改进DV-Hop定位算法。该算法对接收的多个锚节点的跳距进行加权求和来减少平均每跳距离的误差,并且利用改进的最小二乘方法来解决误差累积的问题。通过MATLAB对改进的DV-Hop算法进行仿真,实验结果表明,相比于传统的DV-Hop算法、加权最小二乘的DV-Hop算法和基于RSSI每跳分级和跳距修正的算法,改进的算法在距离估计和定位精度方面有了很大的提高。 In order to solve the problem that the DV-Hop algorithm has poor positioning accuracy due to the large average distance error per hop and the error accumulation during the location process, an improved DV-Hop localization algorithm based on wireless sensor network is proposed. The algorithm weighted sum the hop distances of multiple anchor nodes received to reduce the average error of each hop, and solved the problem of error accumulation by using the improved least squares method. The improved DV-Hop algorithm is simulated by MATLAB. The experimental results show that compared with the traditional DV-Hop algorithm, the weighted least squares DV-Hop algorithm and the RSSI-based hopping and hopping algorithm, The algorithm has greatly improved in distance estimation and positioning accuracy.