东南大学学报（自然科学版）2017，Vol.47Issue(3)：461-465,5.DOI:10.3969/j.issn.1001-0505.2017.03.008
车载容迟网络下基于节点传输能力的服务分发协议
Node-delivery-capability-based service dissemination protocol for vehicular delay tolerant network
摘要
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.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Key words
vehicular delay tolerant network/service dissemination/node delivery capability/connection time estimation/function approximation分类
信息技术与安全科学引用本文复制引用
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):461-465,5.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). （61202474,61373017,61572260）
