摘要
城市综合管廊是建设智慧城市的重要基础设施之一。WSN作为先进技术在城市综合管廊的监控中发挥重要作用。在构建WSN时考虑到城市综合管廊建筑结构的空间性,提出三角形节点部署和中继节点转发方案,以提升网络的综合性能。并在此基础上,提出了适用于城市综合管廊的基于三角形部署的中继转发成簇协议(Triangle relay forwarding-LEACH)。该协议改进了节点部署和簇间路由,最大限度地平衡网络的传输能力和节点能量利用率,达到延长网络生命的目的。最后,通过MATLAB仿真工具将LEACH、SEP、M-LEACH、LEACH-HC和TRF-LEACH进行对比实验。实验结果表明TRF-LEACH协议使WSN的最佳工作时间延长51%以上。
Utility tunnel is one of the important infrastructures for building smart cities. As an advanced technology,WSN plays an important role in the monitoring of utility tunnels. The spatial structure of the utility tunnel corridor building structure is taken into consideration when constructing the WSN. Therefore,the triangular node deployment and the relay node forwarding scheme are proposed to improve the overall performance of the network. Then,on this basis,TRF-LEACH( Triangle Relay Forwarding-LEACH) is proposed for utility tunnel. The protocol improves node deployment and inter-cluster routing and maximizes the network transmission capacity and node energy utilization to achieve the purpose of extending network life. Finally,comparative experiments with LEACH,SEP,M-LEACH,and LEACH-HC were performed using MATLAB simulation tool. The results show that TRF-LEACH extends the optimal working time of WSN by 51%.
引文
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