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无线传感器网络RPL路由协议优化

发表时间:2014-04-30  浏览量:2564  下载量:1035
全部作者: 张宗杰,刘彤,马皛源,唐玮圣
作者单位: 哈尔滨工程大学信息与通信工程学院;中国科学院上海高等研究院安全与应急实验室
摘 要: 在面对快速数据流时,网络流量的激增和链路的不稳定性必将给带宽受限的无线传感器网络(wireless sensor network,WSN)带来严重的网络拥塞与丢包现象。因此,这里在单路径低功耗有损网络路由协议(routing protocol for low-power and lossy networks,PRL)的基础上,提出缠绕多路径的改进策略,并在多路径的基础上对网络流量进行按路径权重的负载均衡优化。最后通过COOJA仿真工具对其进行仿真分析,测试结果表明:优化后的RPL在面向快速数据流和有损链路时可以有效缓解网络拥塞和降低丢包率。
关 键 词: 无线传感器网络;低功耗有损网络路由协议;多路径路由;负载均衡;COOJA
Title: Protocol optimization of wireless sensor network RPL routing
Author: ZHANG Zongjie, LIU Tong, MA Xiaoyuan, TANG Weisheng
Organization: College of Information and Communication Engineering, Harbin Engineering University; Safety and Emergency Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences
Abstract: In the face of rapid data traffic, network traffic surges and unstable link would bring grievous network congestion and packet lost to the limited bandwidth of wireless sensor network. So, in this paper, on the basis of single path routing protocol for low-power and lossy networks(PRL), we proposed the improvement strategy of winding multipath. Furthermore, according to the multipath, we did the load balancing optimization based on the load weight. In the end, we provided simulation analysis through COOJA simulation tool, the results showed that the optimized RPL can effectively alleviate the network congestion and reduce the packet loss in the face of rapid data traffic and lossy link.
Key words: wireless sensor network; routing protocol for low-power and lossy networks; multipath routing; load balancing; COOJA
发表期数: 2014年4月第8期
引用格式: 张宗杰,刘彤,马皛源,等. 无线传感器网络RPL路由协议优化[J]. 中国科技论文在线精品论文,2014,7(8):715-721.
 
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