一个无线传感器网络的网络分割模型

A network division model for wireless sensor networks

首先指出网络分割会影响网络连通性,并进而影响网络的通信效率;接着从物理层和MAC协议入手,讨论了导致无线传感器网络网络分割问题的通信因素。为了定量地刻画网络分割,定义了网络分割比,并分析了影响网络分割比的物理及几何因素。通过试验采集的大量数据及曲线族拟合法,建立了一个无线传感器网络的网络分割模型,定量地确定了网络节点数、面积比与网络分割比的数学关系。

The paper firstly pointed out that the net division can affect network connectivity and then the communication efficiency. Secondly, the communication factors that cause net division in wireless sensor networks were discussed from the perspective of the physical layer and MAC protocol. To quantitatively depict network division, the net division ratio was defined, and the physical and geometric factors that affect the net division ratio were analyzed. Based on massive data collected by trials, a net division model for WSNs was established by doing a series of curve family fitting. The model determined that net division ratio, number of nodes and area ratio obey the given mathematical relationship.