摘要
分析了Cougar传感器网络数据管理系统的组成和功能,对存在簇头节点能量消耗大,不均衡的问题,提出一种改进的Cougar系统,给出了节省能量的查询优化预处理算法。实验表明,改进后的Cougar系统有效地降低了传感器网络的能量消耗。
Analysis of Cougar sensor network data management system composition and function,there is cluster head node energy consumption,it is not balanced problems,propose a modified Cougar system,given the energy-saving pre-processing algorithm for query optimization.Experiments show that the improved Cougar system effectively reduces the energy consumption of sensor networks.
出处
《电脑知识与技术》
2009年第12X期10437-10438,10471,共3页
Computer Knowledge and Technology
