以基于Ethernet和WSN的矿井信息传输网络为背景,从提高能量效率的角度,对最少节点部署和异构网络的转发连通覆盖问题进行研究。设计出了WSN网络中的p -Grid网络通信协议,并通过仿真实验证明p-G rid在网络中总体耗能及网络生命周期均优于G rid。%Based on Ethernet and WSN mine information transmission network as the background ,from the view of improving energy efficiency ,the least node deployment and the forwarding of a heterogeneous net-work connectivity covering problems were studied .Designed the WSN network of p -Grid network com-munication protocol ,and through the simulation experiments prove that p -Grid overall energy consump-tion in the network and the network life cycle is superior to the Grid .
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