| 一种实时无线传感器网络路由协议 |
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| 引用本文： | 彭刚,曹元大,廖乐健,孙利民.一种实时无线传感器网络路由协议[J].北京理工大学学报,2005,25(3):244-247. |
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| 作者姓名： | 彭刚 曹元大 廖乐健 孙利民 |
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| 作者单位： | 北京理工大学,信息科学技术学院计算机科学工程系,北京,100081;中科院软件研究所,北京,100080 |
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| 基金项目： | 国家自然科学基金
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国家高技术研究发展计划(863计划) |
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| 摘 要： | 针对传感器网络的特点,提出了一种具有实时性的路由协议.该路由协议可以保证端到端的数据传输具有确定的最大时延.该协议采用基于地理位置的数据转发,相邻传感器节点之间定时交换信息,使用无状态单跳延迟保证转发策略,实现了端到端数据传输的实时性保证.当网络某处发生拥塞时,采用后退重新路由策略,实现了对网络拥塞的自适应性.仿真结果显示该实时协议是可行的和有效的,能满足传感器网络实时性应用的需要.
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| 关 键 词： | 传感器网络 路由协议 传感器节点 |
| 文章编号： | 1001-0645(2005)03-0244-04 |
| 收稿时间： | 4/6/2004 12:00:00 AM |
| 修稿时间： | 2004年4月6日 |
Real-Time Routing Protocol for Wireless Sensor Networks |
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| PENG Gang,CAO Yuan-d,LIAO Le-jian and SUN Li-min.Real-Time Routing Protocol for Wireless Sensor Networks[J].Journal of Beijing Institute of Technology(Natural Science Edition),2005,25(3):244-247. |
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| Authors: | PENG Gang CAO Yuan-d LIAO Le-jian and SUN Li-min |
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| Institution: | Department of Computer Science and Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing100081, China;Department of Computer Science and Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing100081, China;Department of Computer Science and Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing100081, China;Institute of Software, The Chinese Academy of Sciences, Beijing100080, China |
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| Abstract: | Based on the characteristics of the wireless sensor networks, a real-time routing protocol was proposed. The protocol provided a predictable upper bound for the end-to-end delivery delay. The real-time end-to-end guarantee was achieved by geographic forwarding, periodic message exchange between neighbor nodes, and stateless one-hop delay guarantee. If congestion appears, back-off rerouting is adopted. This method can be adaptive to network congestion. Experimental results show that the real-time routing protocol is correct and efficient. It can be used for real-time sensor network applications. |
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| Keywords: | wireless sensor networks routing protocol sensor nodes |
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