摘要
无线传感网络具备无中心、架设便捷、灵活多变等优势,越来越多的应用于应急通信的各个场景。然而节点能量受限、通信高能耗而数据计算低能耗等特征却极大程度的制约着其性能。文章在研究DCHS协议的基础上,提出一种基于链路质量的最短路径非均匀分簇WSN路由算法,把链路质量引入通信代价函数,使簇头与基站采用多跳通信机制时,通过贪婪算法选择最短路径,以达到更大程度地节省能量消耗,从而大幅提高应急WSN的通信效能。
WSN （Wireless Sensor Network） is increasingly applied to various situations of emergency communication, with such advantages as none-center, convenient building and flexibility. However, its performance is severely limited by limitary nodes energy, high-energy-costing communication with low-energy-costing computation and so on. In this paper, on the basis of DCHS, we propose a new WSN uneven grouping routing algorithm of shortest path in view of link quality. After link quality is introduced in the communication cost function, we can get the shortest path with greedy algorithm when multi-hop communication occurs between cluster heads and base stations. In this way, we greatly improve the emergency communication performance of WSN with significantly reduced energy.
出处
《信息网络安全》
2014年第5期59-62,共4页
Netinfo Security
基金
国家自然科学基金[61271220
61170164]
973计划[2013CB329603]
