基于能量约束的无线传感器网络可靠性研究

Energy-Bounded Reliability Modeling for Wireless Sensor Networks

针对传感器网络系统(WSN)对任务完成所需能量有约束的特点,首先建立了WSN系统的网络模型和任务模型,引入了能量权函数,建立了基于任务的无线传感器网络系统可靠性模型,最后针对无线传感器网络的典型层次簇拓扑结构,给出了建模实例。该方法为WSN系统的任务级划分与拓扑结构的选择和优化提供依据和参考。

The wireless sensor network （WSN） system is a kind of system in which the consumer energy of a task is strictly bounded. This paper proposed a model of the system and a model of the task which con- sider energy consume based on task, introduced the energy factor function, and also established a reliabili- ty model of WSN based on task. Finally, an illustration of modeling of representative hierarchical cluster topology in WSN was also presented. This method suggested that the method studied has a directive influ- ence to both task division and topology selection of WSN system.