可信度动态感知的间断连接无线网络数据转发机制

doi:10.11959/j.issn.1000-436x.2015159

通信学报 ›› 2015, Vol. 36 ›› Issue (8): 13-22.doi: 10.11959/j.issn.1000-436x.2015159

可信度动态感知的间断连接无线网络数据转发机制

吴大鹏,张洪沛,王汝言,刘乔寿

重庆邮电大学光通信与网络重点实验室，重庆 400065

出版日期:2015-08-25 发布日期:2015-08-25
基金资助:
国家自然科学基金资助项目;重庆市自然科学重点基金资助项目;重庆市自然科学重点基金资助项目;重庆邮电大学青年自然科学基金资助项目;重庆市青年科技人才培养计划基金资助项目

Dynamical credibility aware data forwarding mechanism for intermittently connected wireless networks

Da-peng WU,Hong-pei ZHANG,Ru-yan WANG,Qiao-shou LIU

Key Laboratory of Optical Communication and Networks,Chongqing University of Posts and Telecommunications,Chongqing 400065,China

Online:2015-08-25 Published:2015-08-25
Supported by:
The National Natural Science Foundation of China;Chongqing Natural Science Foundation;Chongqing Natural Science Foundation;The Foundation of Chongqing University of Posts and Telecommunication;Youth Talents Training Project of Chongqing Science ＆ Technology Commission

摘要/Abstract

摘要：

提出了一种节点可信度动态感知的间断连接无线网络数据转发机制，节点根据运动过程中所获知的局部网络状态信息以分布式的方式估计其他节点恶意度及协作度，并根据历史信息预测节点的连通状态，进而获知各个节点的信任程度，以合理地选择中继节点，实现高效的数据转发。仿真结果表明，所提出的机制能够有效提高数据传输的可靠性，并大幅降低网络负载率，提高网络资源利用率。

关键词: 间断连接无线网络, 信任管理, 非协作行为, 数据转发

Abstract:

A novel dynamic credibility aware packet forwarding mechanism for intermittently connected wireless networks is proposed.According to the network state information obtained locally by a moving node,the malicious degrees and collaboration degrees of nodes can be obtained in a distributed manner.Meanwhile,based on the node connectivity,the credibility of a node is estimated,furthermore,the relay node can be selected reasonably.Results show that the proposed mechanism can effectively enhance the reliability of data transmission while reducing the network load rate significantly.Thus,the utilization of network resources is improved.

Key words: intermittently connected wireless networks, trust management, non-cooperative behavior, data forwarding

吴大鹏,张洪沛,王汝言,刘乔寿. 可信度动态感知的间断连接无线网络数据转发机制[J]. 通信学报, 2015, 36(8): 13-22.

Da-peng WU,Hong-pei ZHANG,Ru-yan WANG,Qiao-shou LIU. Dynamical credibility aware data forwarding mechanism for intermittently connected wireless networks[J]. Journal on Communications, 2015, 36(8): 13-22.

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参考文献 21

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参数	数值
仿真时间/s	43 200
仿真区域	4 500 m×3 400 m
节点运动模型	社区模型
时间窗口/s	30
节点组/个	6
节点个数/个	96
节点通信方式	蓝牙
节点速度/(m·s^?1)	5～10
节点缓存空间/MB	5～10
传输范围/m	10
传输速率/(Mbit·s^?1)	2
数据大小/KB	150～250
数据产生间隔/s	35～40

可信度动态感知的间断连接无线网络数据转发机制

Dynamical credibility aware data forwarding mechanism for intermittently connected wireless networks

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