计算机工程与应用Issue(15)：92-95,142,5.DOI:10.3778/j.issn.1002-8331.1406-0112
无线传感器网络中改进的DV-Hop算法
Improved DV-Hop algorithm in wireless sensor network
摘要
Abstract
In view of the problem of low positioning accuracy in traditional DV-Hop algorithm, the algorithm is improved from three aspects. Firstly, it sets Received Signal Strength Indicator(RSSI)value which node receives, when the distance is one standard hop between node and transmitter. It uses RSSI value which node receives to set RSSI value ratio to correct hops. Secondly, the average hop distance of unknown nodes is considered from two cases to make estimated distance between unknown node and anchor node more accurate. Thirdly, it introduces correction vector to correct the estimate coor-dinates of the unknown node. Simulation results show that positioning precision of the improved algorithm is significantly higher than the traditional DV-Hop algorithm and the algorithm of literature[6] and stability also has certain ascend.关键词
距离向量算法/接收信号强度指示(RSSI)/跳数/平均跳距/校正向量/Matlab仿真Key words
Distance Vector(DV)-Hop algorithm/Receive Signal Strength Indication(RSSI)/hop/average hop distance/correction vector/Matlab simulation分类
信息技术与安全科学引用本文复制引用
于泉,徐保国..无线传感器网络中改进的DV-Hop算法[J].计算机工程与应用,2015,(15):92-95,142,5.基金项目
江苏省研究生培养创新工程项目（No.CXZZ11_0465）；江南大学博士研究生科学研究基金项目（No.JUDCF11003）。 （）
