EgyHet:一种面向无线异构传感器网络的节能路由协议

2013 International Conference on Computing, Networking and Communications (ICNC) Pub Date : 2013-01-28 DOI:10.1109/ICCNC.2013.6504187

Xiao Chen, Zanxun Dai, Hongchi Shi

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引用次数: 3

摘要

由于应用环境的不同要求，由不同容量的传感器组成的无线异构传感器网络(WHSNs)应运而生。whns中的数据路由面临着特殊的挑战:首先，由于传感器传输距离不同导致链路不对称，现有的数据路由可能无法直接使用，需要对其进行重新设计。其次，它应该保证可靠的传输速率，因为数据是通过有损链路路由的。第三，由于传感器电池的局限性和部署后更换的困难，它应该是节能的。为了解决这些问题，我们提出了一种用于异构传感器网络的节能路由协议EgyHet。EgyHat通过建立反向路径来处理非对称链接。该算法在保证传输速率的同时，考虑到传感器剩余能量，选择最短路径，减少转发节点数量，从而节省了能量。仿真结果表明，EgyHat可以在节省能量的同时保持与现有WHSNs路由协议相似的投递率和延迟。

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EgyHet: An energy-saving routing protocol for wireless heterogeneous sensor networks

Due to different requirements in application environment, wireless heterogeneous sensor networks (WHSNs) formed by sensors with various capacities are built. Data routing in WHSNs poses special challenges: First, it should be redesigned because the existing ones may not be directly used due to asymmetric links caused by diverse sensor transmission ranges. Second, it should guarantee an assured delivery rate because data is routed through lossy links. Third, it should be energy-efficient due to the limitation of sensor batteries and the difficulty of replacing them after deployment. To address these issues, we propose EgyHet: an Energy-saving routing protocol for Heterogeneous sensor networks. EgyHat deals with asymmetric links by establishing reverse paths. It saves energy by taking the shortest path, considering the remaining energy in sensors and reducing the number of forwarding nodes while guarantees an assured delivery rate. Simulation results show that EgyHat can save more energy yet keep the similar delivery ratio and latency to those of the existing routing protocol for WHSNs.

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2013 International Conference on Computing, Networking and Communications (ICNC)

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