Performance analysis of the vehicular delay tolerant network

  • Authors:

  • Dusit Niyato;Ping Wang;Joseph Chee Ming Teo

  • Affiliations:

  • Centre For Multimedia And Network Technology, School of Computer Engineering, Nanyang Technological University, Singapore;Centre For Multimedia And Network Technology, School of Computer Engineering, Nanyang Technological University, Singapore;Institute for Infocomm Research, Singapore

  • Venue:
  • WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
  • Year:
  • 2009

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Abstract

Delay tolerant network (DTN) based on vehicular communications (i.e., vehicular delay tolerant network or VDTN) is considered in this paper. In VDTN, there is no direct end-to-end connection between the source and destination (i.e., sink). The traffic source transmits data to a mobile router. This mobile router in a vehicle receives and stores data in a buffer. The vehicle can move and once it is in vicinity of the sink, the data in the buffer is forwarded to the sink. The buffer management and its queueing model are proposed to analyze the performance of a mobile router in this VDTN. With this analytical model, various performance measures (e.g., throughput and delay) can be obtained. This queueing model is then used as a tool to study the behavior of the traffic source in a competitive environment which is due to the fact that the transmission resources of a mobile router are shared among multiple traffic sources. Therefore, the traffic sources have to noncooperatively optimize their transmission strategies to achieve the highest utility. The proposed analytical models will be useful to investigate the performance and behavior of the vehicular delay tolerant network.