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机会网络中自适应摆渡路由协议 被引量：1

Adaptive Ferrying Routing Protocol in Opportunistic Network
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摘要 针对传统摆渡路由无法在节点运动环境下工作的问题,提出一种融合副本路由的自适应摆渡路由协议。根据节点的移动模型,计算节点间的相遇期望,评价网络的连通性。在网络不连通的时段,通过使者访问节点完成数据的传递。利用中心领导者实现多个使者间的通信,提高路由性能。仿真结果显示,与传统的副本路由相比,该协议可以使传输成功率提高15%,使端到端延时降低50%。通过仿真评价了使者数目和节点移动模型对协议的影响。 Aiming at the problem of traditional ferry routing that cannot work under the node movement conditions,an adaptive ferrying routing protocol mixing multi-copy routing is proposed.According to the node movement models,the expected meeting times between nodes are computed and the connectivity of network is evaluated.When the network is not connected,messengers are used to access nodes and finish data transmission.Center leaders are utilized to realize the communications among messengers and to improve the routing performance.Simulation results show that compared with the traditional multi-copy routing,the routing protocol in this paper can improve the success transmission rate by 15% and decrease the end-to-end delay by 50%.The influences of the messenger number and node movement models are evaluated by simulations.
作者 姜海涛 李千目 廖俊 张宏
机构地区 南京理工大学计算机科学与技术学院
出处 《南京理工大学学报》 EI CAS CSCD 北大核心 2011年第6期731-737,共7页 Journal of Nanjing University of Science and Technology
基金 国家自然科学基金(60903027 90718021) 高等学校博士学科点专项科研基金(20093219120024) 江苏省自然科学基金(BK2011023) 江苏省高校自然科学研究项目(10KJB520014) 江苏省公安厅科研项目(2009JPSD10) 南京理工大学国家省部级专项计划先期投入(2010XQTR04)
关键词 机会网络 自适应 副本路由 摆渡路由 opportunistic networks adaptivity multi-copy routing ferrying routing
分类号 TP391 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献9

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二级参考文献22

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共引文献15

同被引文献13

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南京理工大学学报
2011年 第6期

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