LSSTCS- A Social-Based DTN Routing in Cooperative Vehicular Sensor Networks

Wang, Tong, Zhou, Yongzhe, Wang, Xibo and Cao, Yue (2018) LSSTCS- A Social-Based DTN Routing in Cooperative Vehicular Sensor Networks. International Journal of Cooperative Information Systems (IJCIS), 27 (1). p. 1741003. ISSN 0218-8430

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As a cooperative information system, vehicles in Vehicular Sensor Networks delivery messages based on collaboration. Due to the high speed of vehicles, the topology of the network is highly dynamic, and the network may be disconnected frequently. So how to transfer large files in such network is worth considering. In case that the encountering nodes which never meet before flood messages blindly to cause tremendous network overhead. We address this challenge by introducing the Encounter Utility Rank Router(EURR) based on social metrics. EURR includes three cases: Utility Replication Strategy, Lifetime Replication Strategy and SocialRank Replication Strategy. The Lifetime Replication is promising complement to Utility Replication. It enhances the delivery ratio by relaying the copy via the remaining lifetime. Considering network overhead, the SocialRank Replication replicates a copy according to the SocialRank when two communicating nodes do not meet before. The routing mechanism explores the utility of history encounter information and social opportunistic forwarding. The results under the scenario show an advantage of the proposed Encounter Utility Rank Router (EURR) over the compared algorithms in terms of delivery ratio, average delivery latency and overhead ratio.

Item Type: Article
Uncontrolled Keywords: Social network; vehicular sensor networks; cooperative information system; large file transferring
Subjects: G400 Computer Science
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Depositing User: Yue Cao
Date Deposited: 30 May 2017 13:43
Last Modified: 01 Aug 2021 08:01

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