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带有社会关系感知的机会网络组播路由机制 被引量：3

Social relation-aware multicast routing mechanism for opportunistic networks
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摘要 为提高组播通信中数据传输的可靠性,提出了一种带有社会关系感知的组播路由机制,源节点采用喷泉码对原始数据进行编码,并结合相遇节点与会话目标节点的关系类型以及相遇历史信息选择合适的中继节点转发编码数据;同时,对接收到的编码数据进行冗余检测,以减少不必要的编码数据转发.数值结果表明:所提出的机制能够以较低的网络开销实现较高的数据投递,提高了网络资源利用率. The characteristic of strong dynamicity makes multicast packet transmission process unstable in opportunistic networks.In order to improve the reliability of packet transmission in multicast communication,a social relation-aware multicast routing mechanism was proposed.The original packets were encoded by source node with fountain codes,and the relationship of the meet node and the session destination node with the historical information was combined to select the appropriate relay node to transmit the encoded packet.Besides,redundancy of the received encoded packet was detected to reduce unnecessary encoded packet forwarding.Numerical results show that the proposed mechanism can achieve high delivery ratio with low network overhead and optimize the utilization of network resources.
作者 甄岩 龚玲玲 杨静 王汝言
机构地区 重庆邮电大学光通信与网络重点实验室 北京智芯微电子科技有限公司
出处 《华中科技大学学报（自然科学版）》 EI CAS CSCD 北大核心 2016年第7期127-132,共6页 Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金 国家自然科学基金资助项目(61371097) 重庆市自然科学重点基金资助项目(CSTC2013JJB40001 CSTC2013JJB40006 CSTC2014JCYJA40039) 重庆市青年科技人才培养计划资助项目(CSTC2014KJRC-QNRC40001) 重庆市教委基金资助项目(KJ1400402)
关键词 机会网络 组播路由 喷泉码 编码数据 网络开销 opportunistic networks multicast routing fountain codes encoded packet network overhead
分类号 TP393.04 [自动化与计算机技术—计算机应用技术]
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参考文献15

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二级参考文献35

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共引文献39

同被引文献20

引证文献3

二级引证文献8

华中科技大学学报（自然科学版）
2016年 第7期

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