一种新的无线传感器网络传感器放置模型

A Novel Sensor Placement Model in Wireless Sensor Network

传感器放置是传感器网络研究的核心问题之一.本文在DhillonS.S.的模型化传感器节点、障碍物和优先覆盖方法基础上,提出了一种新的高效覆盖传感器放置模型及整体局部覆盖算法.该模型着重考虑传感器探测范围的局限性,给出传感器探测角度和探测距离模型,修改了现有算法的初始化过程.理论分析和仿真试验充分验证了该模型的可行性和优良的覆盖性能.

Sensor placement is one of the key topics addressed in sensor networks study. This paper proposes a novel sensor placement model and a so-called INTEGERLOCALCOV algorithm with a more efficient coverage, based on the modeling of the node characteristics, terrain shield and preferential coverage of grids as that analyzed by Dhillon S.S..In the new placement scheme, the detection limit of sensors is also carefully modeled, such as the perception range and angle of view, and the initiation process is revised accordingly. Theoretical analyses and the simulation demonstrate the effectiveness and the outstanding performance of the presented model compared with the original placement algorithms.