[1]李致远,毕俊蕾,王汝传.车载容迟网络下基于节点传输能力的服务分发协议[J].东南大学学报(自然科学版),2017,47(3):461-465.[doi:10.3969/j.issn.1001-0505.2017.03.008]
 Li Zhiyuan,Bi Junlei,Wang Ruchuan.Node-delivery-capability-based service dissemination protocol for vehicular delay tolerant network[J].Journal of Southeast University (Natural Science Edition),2017,47(3):461-465.[doi:10.3969/j.issn.1001-0505.2017.03.008]
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车载容迟网络下基于节点传输能力的服务分发协议()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
47
期数:
2017年第3期
页码:
461-465
栏目:
计算机科学与工程
出版日期:
2017-05-20

文章信息/Info

Title:
Node-delivery-capability-based service dissemination protocol for vehicular delay tolerant network
作者:
李致远13毕俊蕾2王汝传3
1江苏大学计算机科学与通信工程学院, 镇江 212013; 2江苏大学信息化中心, 镇江 212013; 3南京邮电大学江苏省无线传感网高技术研究重点实验室, 南京 210003
Author(s):
Li Zhiyuan13 Bi Junlei2 Wang Ruchuan3
1 School of Computer Science and Telecommunication Engineering, Jiangsu University, Zhenjiang 212013, China
2 Informatization Center, Jiangsu University, Zhenjiang 212013, China
3 High Technology Research Key Laboratory of Wireless Sensor Networks of Jiangsu Province, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
关键词:
车载容迟网络 服务分发 节点传输能力 连接时间估计 函数近似
Keywords:
vehicular delay tolerant network service dissemination node delivery capability connection time estimation function approximation
分类号:
TP393.08
DOI:
10.3969/j.issn.1001-0505.2017.03.008
摘要:
为了解决车载容迟网络(VDTN)中节点间歇性连接导致的传输性能下降问题,提出了基于节点传输能力的服务分发协议(NDCSD).在NDCSD协议设计中,通过对节点有效连接时间估计内的吞吐量函数积分得到节点传输能力,采用小波神经网络对样本数据进行学习的方法获得吞吐量函数估计.然后,以节点传输能力为度量,采用Dijkstra算法设计服务数据分发协议,并在随机网络仿真器上实现了该协议.结果表明,与同类协议相比,NDCSD协议能够提高VDTN环境下服务数据的投递成功率,降低服务数据的传输时延、时延抖动及丢包率,说明综合考虑连接时间和吞吐量的方法能够改善VDTN下的服务传输能力,实现可靠传输.
Abstract:
The node-delivery-capability-based service dissemination(NDCSD)protocol is proposed to solve the degrading performance issue for data transmission in vehicular delay tolerant networking(VDTN)due to the frequently intermitted connections. In the NDCSD protocol, the node delivery capability is computed by the integration of the throughput function within the active connection time. The wavelet-based neural network is used to train the sampling data to obtain the approximation of the throughput function. Then, through taking the node delivery capability as the metric, the service data distribution protocol is designed by using the Dijkstra algorithm, and the NDCSD protocol is implemented on the opportunity networks emulator. The experimental results show that compared with other classical protocols, the NDCSD protocol can significantly improve the successful rate of service delivery and reduce the data transmission delay, the delay jitter and the packet loss. The combination of the connection time and the throughput of nodes can improve the service delivery capability and implement the reliable transmission.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-10-11.
作者简介: 李致远(1981—),男,博士,副教授,lizhiyuan@ujs.edu.cn.
基金项目: 国家自然科学基金资助项目(61202474, 61373017, 61572260)、中国博士后科学基金资助项目(2015M570469)、江苏大学高级专业人才科研启动基金资助项目(12JDG049).
引用本文: 李致远,毕俊蕾,王汝传.车载容迟网络下基于节点传输能力的服务分发协议[J].东南大学学报(自然科学版),2017,47(3):461-465. DOI:10.3969/j.issn.1001-0505.2017.03.008.
更新日期/Last Update: 2017-05-20