一种可靠传输的WSNs能耗均衡路由协议

A transmission-reliable energy-consumption balanced routing protocol for WSNs

针对无线传感器网络(WSNs)部署环境的复杂性导致丢包率高和某些节点过早死亡问题,提出了一种可靠传输的能耗均衡路由协议。通过节点间信号广播为每个节点建立路由表;节点根据传输代价函数从路由表中选择最合适的下一跳转发节点。由于协议综合考虑了节点剩余能耗、信号强度、跳数和链路质量等因素,使得信号传输具有较高可靠性的同时网络中节点能量消耗均衡,延长了网络生存时间。仿真实验从网络生存时间、网络剩余能量均值和节点能量方差进行分析,验证了提出的协议的有效性。

Aiming at complexity of wireless sensor networks（ WSNs） deployment environment,which leads to high packet loss rate and premature death of some nodes,a transmission-reliable energy consumption balanced routing protocol is proposed. The protocol first establishes a routing table for each node through signal broadcast between nodes,and then the node selects the most suitable next hop forwarding node from the routing table according to the transmission cost function. Because of overall consideration of the factors such as residual energy consumption of node,signal strength,hop count and link quality,the energy consumption of the nodes in the network is balanced with high-reliable signal transmission,so as to prolong the network lifetime. In the simulation experiment,survival time of network,mean value of residual energy of the network and energy variance of nodes are analyzed and the validity of this protocol is verified.