基于温备节点的无线传感网络在井下可靠性研究

Research on reliability of wireless networks working in mines based on warm standby nodes

随着无线传感网络的应用越来越广泛,在矿井中的可靠性变得越来越重要。为了更全面的评价无线传感网络的可靠性,一方面在讨论节点重要性的基础上引入了切比雪夫不等式,另一方面考虑链路通信容量对网络可靠性的影响,采用容量归一化加权的方法得出关于链路对无线传感网络可靠性的另一个指标,所得的数据经处理得到网络的可靠性。文中对一个典型的拓扑结构进行分析运算,得出网络的可靠性。通过对不同的拓扑结构进行仿真,得到网络可靠性的变化趋势。

With the wireless sensor networks used more and more widely,its reliability in the mine becoming more and more important. For a more comprehensive assessment of the reliability of wireless sensor networks, On the one hand on the basis of the node importance discussing the Chebyshev inequality is introduced. On the other hand, using the method of capacity normalized weighted obtains another indicator of the link to wireless sensor networks reliability by considering the impact of the link communications capacity to network reliability. Finally, obtain the network reliability by processing data. the reliability of the network was draw out in this paper by a typical topology analysis c＆kulation. Through simulation of the different topologies , network reliability trends was got.