摘要
简要阐述近年来无线传感网络时间同步(TPSN)算法的发展概况和影响无线传感器网络时间同步的因素,结合无线传感网络中路由节点与终端节点的特点,提出一种融合了参考广播同步(RBS)与TPSN算法设计,在保持同步精确度前提下,整个网络的功耗大大降低。通过实验采集到的数据分析了协议的可行性,证明该算法较适合于对节点密度高,终端节点较多的无线网络中,如工业有害气体的检测。
This paper briefly describes the development of wireless sensor network time synchronizationalgorithm in recent years and analyzes the effect factors of wireless sensor network time synchronization. Combined with the characteristics of wireless sensor network routing nodes and terminal nodes,a fusion synchronization algorithm based on Reference Broadcast Synchronization（RBS） and Timing-sync Protocol for Sensor Networks（TPSN） algorithms, is proposed. Under the premise of maintaining the synchronization accuracy,the power consumption of the entire network is reduced greatly by this algorithm. Experimental results showed that the proposed algorithm is feasible,and particularly suited to networks with high density of nodes or more terminal nodes. For example, it can be used in the detection of harmful gases in the industry.
出处
《信息与电子工程》
2011年第5期541-545,共5页
information and electronic engineering
基金
福建省科技厅资助项目(2007F5039)
福建省教育厅资助项目(JB09071
JB09076)
关键词
时间同步
参考广播同步算法
无线传感网络时间同步算法
融合设计
误差分析
time synchronization
Reference Broadcast Synchronization
Timing-sync Protocol for Sensor Networks
fusion design
error analysis
