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分层无线传感器网络簇首节点容易成为网络瓶颈、制约网络性能.针对此问题,提出一种低能耗的路由协议.采用普通传感器节点与Sink(汇聚)节点之间的距离来量化分级,选取同一量化级别下能量高的节点成为簇首;引入移动节点来承担Sink与簇首之间的数据转发,使簇首只需负责收集本簇成员的数据从而降低其负担.仿真实验验证了基于距离与移动节点的路由技术能高效地克服簇首处网络瓶颈问题,并降低网络能耗,提高网络生存时间.
The first node of the hierarchical wireless sensor network cluster tends to be the bottleneck of the network and restricts the performance of the network.Aiming at this problem, a low-energy routing protocol is proposed.We use the distance between common sensor nodes and Sink nodes to quantify the classification, The node with high energy under the quantization level becomes the cluster head, and the mobile node is introduced to bear the data forwarding between Sink and cluster head, so that the cluster head only needs to collect the data of the cluster members to reduce its burden.From the simulation results, The routing technology of mobile nodes can effectively overcome the network bottleneck problem at the cluster head, reduce the network energy consumption and improve the network lifetime.