计算机科学 ›› 2015, Vol. 42 ›› Issue (5): 160-164.doi: 10.11896/j.issn.1002-137X.2015.05.032
侯彦军,谭国真
HOU Yan-jun and TAN Guo-zhen
摘要: 近年来,我国兴建了众多基础设施,基础设施的健康监测直接关系着人们的生命和财产安全,也关系着基础设施的正常运行,因此研究面向基础设施健康监测的无线传感器网络分簇路由协议至关重要。目前已经有多个成熟平面路由协议和分层路由协议,但它们都存在传感器节点能量有限、结构简单等缺陷。为了延长网络寿命、提高信息传输的可靠性,就需要对现有的路由协议做一些改进,以适应大规模的无线传感器网络。首先分析了设计无线传感器网络路由协议时面临的挑战,分类总结了典型的无线传感器网络路由协议及其优缺点;然后在详细分析LEACH协议的基础上,对LEACH协议在簇头节点选择和簇间路由方面进行改进,提出了面向基础设施健康监测的无线传感器网络分簇路由协议。将分簇优化算法和簇间多跳路由算法相结合,组成面向基础设施健康监测的无线传感器网络分簇路由协议。实验仿真表明,该路由协议有效地均衡了网络的能耗,推迟了多数节点的死亡,延长了网络的有效寿命。
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