论文部分内容阅读
针对无线传感器网络无标度容错拓扑的级联失效问题,首先借助概率母函数法,推导出单一随机节点失效下无线传感器网络无标度容错拓扑的级联失效规模,进而在幂函数负载分布条件下,求解出触发无线传感器网络无标度容错拓扑级联失效的临界负载值.研究结果表明,在无线传感器网络无标度容错拓扑中,当网络负载参数超过其临界值时,一个随机故障节点将引起整个网络的级联失效.仿真结果验证了解析推导的正确性.
Aiming at the cascading failure of scale-free fault-tolerant topologies in wireless sensor networks, the cascade failure scale of scale-free fault-tolerant topologies in wireless sensor networks with single random node failure is deduced by using the probability parent function method. Then, , The critical load value of scale-free fault-tolerant topology cascade triggering in wireless sensor networks is solved.The results show that in the scale-free fault-tolerant topology of wireless sensor networks, when the network load parameter exceeds its critical value, a stochastic fault node Will cause the entire network cascade failure. Simulation results verify the correctness of analytical derivation.