Cooperative transmission in delay tolerant network

doi:10.21629/JSEE.2019.01.04

Journal of Systems Engineering and Electronics ›› 2019, Vol. 30 ›› Issue (1): 30-36.doi: 10.21629/JSEE.2019.01.04

收稿日期:2018-03-26 出版日期:2019-02-27 发布日期:2019-02-27

Cooperative transmission in delay tolerant network

Rong WANG(), Yahui WU*(), Hongbin HUANG(), Su DENG()

Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha 410073, China

Received:2018-03-26 Online:2019-02-27 Published:2019-02-27
Contact: Yahui WU E-mail:tdun_2016@163.com;wuyahui@nudt.edu.cn;dzyxxxb@163.com;shjtdxxxb@163.com
About author:WANG Rong was born in 1973. He is a Ph.D. candidate in Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology. His research interests are Internet of things, routing in wireless networks and optimal control. E-mail:tdun_2016@163.com|WU Yahui was born in 1983. He received his Ph.D. degree from National University of Defense Technology, and now he is an associate professor in National University of Defense Technology. His research interests are mobile delay tolerant networks, wireless communications, and information management. E-mail:wuyahui@nudt.edu.cn|HUANG Hongbin was born in 1975. He received his Ph.D. degree from National University of Defense Technology, and now he is a professor in National University of Defense Technology. His research interests are optimal control, scheduling and routing in wireless networks, Internet of things. E-mail:dzyxxxb@163.com|Su Deng was born in 1963. He received his Ph.D. degree from National University of Defense Technology, and now he is a professor in National University of Defense Technology. His research interests are mobile delay tolerant networks, wireless communications, and information management. E-mail:shjtdxxxb@163.com
Supported by:
the National Nature Science Foundation of China(61871388);This work was supported by the National Nature Science Foundation of China (61871388)

摘要/Abstract

Abstract:

The delay tolerant network (DTN) is an emerging concept, which is used to describe the network, where the communication link may disrupt frequently. To cope with this problem, the DTN uses the store-carry-forward (SCF) transmission mode. With this policy, the messages in the DTN are transmitted based on the nodeso cooperation. However, the nodes may be selfish, so the source has to pay certain rewards for others to get their help. This paper studies the optimal incentive policy to maximize the sourceos final utility. First, it models the message spreading process as several ordinary differential equations (ODEs) based on the meanfield approximation. Then, it mathematically gets the optimal policy and explores the structure of the policy. Finally, it checks the accuracy of the ODEs model and shows the advantages of the optimal policy through simulation and theoretical results respectively.

Key words: delay tolerant network (DTN), optimal control, message transmission

. [J]. Journal of Systems Engineering and Electronics, 2019, 30(1): 30-36.

Rong WANG, Yahui WU, Hongbin HUANG, Su DENG. Cooperative transmission in delay tolerant network[J]. Journal of Systems Engineering and Electronics, 2019, 30(1): 30-36.

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参考文献 22

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