针对无线传感器网络中的定位问题,本文提出了一种基于DV-Hop和移动信标的新方法MobileBeaconDV-Hop(MB-DV-Hop)。该方法通过在DV-Hop定位网络中引入移动信标,实现了Range-based和Range-free两种定位方法的有效结合。仿真结果表明,所提出的方法不仅较大地提高了平均定位精度而且极大地降低了平均通信量。
For the critical localization problem in wireless sensor networks, this paper presents a new method MB-DV-Hop (Mobile Beacon DV-Hop) for localization in network,which bases on the mobile beacon and DV-Hop algorithm. The method effectively incorporates Range-based and Range-free algorithms by introducing mobile beacons into DV-Hop sensor network. The simulation results show that the proposed method not only greatly increases the Average Positioning Accuracy, but also greatly reduces the Average Traffic.