社会属性感知的间断连接无线网络数据转发策略

doi:10.11959/j.issn.1000-436x.2015005

通信学报 ›› 2015, Vol. 36 ›› Issue (1): 38-47.doi: 10.11959/j.issn.1000-436x.2015005

社会属性感知的间断连接无线网络数据转发策略

吴大鹏,孔晓龙,张洪沛,刘乔寿,熊余,王汝言

重庆邮电大学宽带泛在接入技术研究所，重庆 400065

出版日期:2015-01-25 发布日期:2017-06-21
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;重庆市青年科技人才培养计划基金资助项目

Social attributes aware data forwarding strategy in intermittently connected wireless networks

UDa-peng W,ONGXiao-long K,HANGHong-pei Z,IUQiao-shou L,IONGYu X,ANGRu-yan W

Broadband Ubiquitous Network Research Laboratory,Chongqing University of Posts and Telecom.,Chongqing 400065,China

Online:2015-01-25 Published:2017-06-21
Supported by:
The National Natural Science Foundation of China;The Natural Science Foundation of Chongqing;The Natural Science Foundation of Chongqing;Youth Talents Training Project of Chongqing Science ＆ Technology Commission

摘要/Abstract

摘要：

间断连接无线网络中的节点具有极强的聚集特性，数据转发过程需要充分地考虑节点之间的社会关系。提出一种社会属性感知的数据分发策略，根据实时获取的多维网络状态参数，节点以分布式的方式估计其自身及其他节点的社会属性。进而确定数据携带节点与目的节点之间的关系，以最小化资源开销的方式实现数据转发。结果表明，与典型机制相比，所提出的数据转发策略具有较高的投递率和较低的延迟，有效地改善了网络性能。

关键词: 间断连接无线网络, 数据转发, 社会属性, 节点关系

Abstract:

The nodes in the intermittent connection wireless network have the aggregation feature,the relation between nodes should be considered by the packet transmitting procedure.A social attributes aware data forwarding strategy in ICWN is proposed.According to the multiple parameters of network status,the social attribute of nodes is evaluated with the distribute manner; moreover,the relation between nodes is determined.Consequently,the packets are forwarded to their destination nodes.Results show that the packet delivery ratio and the delay can be optimized by proposed strategy.

Key words: intermittent connection wireless network, data forwarding, social attributes, node relation

吴大鹏,孔晓龙,张洪沛,刘乔寿,熊余,王汝言. 社会属性感知的间断连接无线网络数据转发策略[J]. 通信学报, 2015, 36(1): 38-47.

UDa-peng W,ONGXiao-long K,HANGHong-pei Z,IUQiao-shou L,IONGYu X,ANGRu-yan W. Social attributes aware data forwarding strategy in intermittently connected wireless networks[J]. Journal on Communications, 2015, 36(1): 38-47.

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参数名称	参数含义
n	网络中的节点数量
N	网络中的社区数量
c_x	网络中x社区的编号
n(c_x)	社区x中的节点数量
n(i)	给定时间内节点i与本社区内所遇节点的数量
w(i)	节点i的重要程度
w(i,m)	节点i对数据m的重要程度
n(i,j)	节点i,j相遇的总次数

参数设定	参数数值
网络区域	4500 m×3400 m
网络仿真时间/h	12
节点通信方式	蓝牙
无线传输范围/m	10
传输速度/(kbit·s^?1)	250
数据间隔时间/s	25,35]服从指数分布
社区数	4
节点的缓存/MB	5
节点移动速度/(m·s^?1)	0.5～1.5
停留时间/s	0～10

社会属性感知的间断连接无线网络数据转发策略

Social attributes aware data forwarding strategy in intermittently connected wireless networks

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