| 一种基于树的能量高效传感器网络调度算法 |
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| 引用本文： | 张霞,董蕾,于宏毅.一种基于树的能量高效传感器网络调度算法[J].信息工程大学学报,2008,9(2):203-207. |
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| 作者姓名： | 张霞 董蕾 于宏毅 |
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| 作者单位： | 信息工程大学,信息工程学院,河南,郑州,450002 |
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| 基金项目： | 国家发展和改革委员会资助项目
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河南省自然科学基金 |
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| 摘 要： | 针对无线传感器网络中能量紧缺的情况提出一种基于树的能量高效调度(TREES)算法。该算法构造以sink为根的骨干树保证信息采集节点和sink的连通性。位于骨干树的节点处于通信模式,其它节点根据应用要求处于探测或休眠模式,按需激活通信模块。在NS-2平台上对TREES算法仿真,结果表明:TREES在保证信息采集的完整性和传输可靠性的基础上,能够降低能耗,有效延长网络寿命。
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| 关 键 词： | 无线传感器网络 调度算法 骨干树 |
| 文章编号： | 0671-0673(2008)02-0203-04 |
| 修稿时间： | 2007年9月7日 |
Tree-Based Scheduling Algorithm for Wireless Sensor Networks |
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| ZHANG Xia,DONG Lei,YU Hong-yi.Tree-Based Scheduling Algorithm for Wireless Sensor Networks[J].Journal of Information Engineering University,2008,9(2):203-207. |
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| Authors: | ZHANG Xia DONG Lei YU Hong-yi |
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| Abstract: | Aiming at decreasing energy waste of idle nodes,a TRee based Energy Efficient Scheduling(TREES) algorithm of WSN is proposed.It constructs a backbone tree rooted from the sink to guarantee connectivity between sink and sensing nodes.Nodes on the tree are in communication mode while others decide to sense or sleep according to coverage requirement and only activate communication module when necessary.Simulation in NS-2 shows that: TREES lowers the energy consumption as well as guarantees transmission and conserves needed coverage ratio,so lengthens the network lifetime effectively. |
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| Keywords: | wireless sensor networks scheduling algorithm backbone tree |
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