NCTUns tool for wireless vehicular communication network researches

Shie-Yuan Wang*, C. L. Chou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

70 Scopus citations


Several goals such as improving road safety and increasing transport efficiency are being pursued in intelligent transportation systems (ITS). Wireless vehicular communication is one technology to achieve these goals. Conducting vehicular experiments on the roads is an approach to studying the effectiveness of wireless vehicular communication. However, such an approach is costly, hard-to-control (repeat), dangerous, and infeasible when many vehicles and people are involved in the field trial. In contrast, the simulation approach does not have these problems. It is a very useful approach and complements the field trial approach. This paper presents NCTUns, an open source integrated simulation platform, for wireless vehicular communication network researches. This tool tightly integrates network and traffic simulations and provides a fast feedback loop between them. Therefore, a simulated vehicle can quickly change its driving behavior such as moving speed and direction when it receives a message from the wireless vehicular communication network. This capability is required by several novel ITS applications such as active collision avoidance systems. In this paper, we present the design, implementation, validation, and performance of this tool.

Original languageEnglish
Pages (from-to)1211-1226
Number of pages16
JournalSimulation Modelling Practice and Theory
Issue number7
StatePublished - 1 Aug 2009


  • Intelligent transportation systems (ITS)
  • Network simulator
  • Traffic simulator


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