无线传感器网络自适应性拓扑控制的研究

Research on adaptive topology control for wireless sensor networks

自适应拓扑控制方法用到多跳两层无线传感器网络(WSNs),在每个簇中用两类传感器,有效且低开销的传感器节点N感知环境现象信息,并传输它们的信息到汇聚节点S,所有Ss协同工作去除随机信息并传输数据到基站BS。因为覆盖范围依赖于它的汇聚节点的工作情况,而汇聚节点的能耗在网络的生命期中是关键性因素。这个方法主要是从节点路由能量匹配角度出发,设计可控制数据流路由路径,用于尽可能有效地保持网络能量,并不是仅仅考虑路径的最优选择,而是考虑能效的最优方式选择路由,从而增加整个网络的生命期。

The adaptive topology control model is a multi-hop routing for two-tiered WSNs, in each cluster two types of sensors are deployed, using efficient data routing and low cost sensor nodes N to implement the tasks. Their information is transmitted to sink nodes S ,and random infoemation is eliminated by all Ss cordinating work to transmit the data to the basic station BS. For the coverage depended on the operations of sink nodes, their power consumption is the key factor in the networks. The power efficient to increase the networks lifetime is considered, making the routing selection through the power consumption of the node then to change the data flow of the whole system.