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- W568030414 abstract "The introduction of Vehicular Ad hoc Networks (VANETs) opens a new horizon to data gathering and analysis in transportation systems. Recent years have seen growing research work on building traffic information and collision avoidance systems using VANET. To date, however, no single simulation tool can comprehensively simulate a VANET-based transportation system. This study presents a simulation framework intended for transportation research conjoined with VANET. An existing transportation simulator (Paramics) and communications network simulator (QualNet) are integrated by inter-simulator communication through either shared memory or TCP/IP. With model-based design, our simulation framework can demonstrate most VANET-based transportation systems. The internal states of the two simulators are tightly synchronized to achieve simulation integrity. For evaluation, we implement a traffic information system with dynamic routing. With a real road network and real traffic history, experiments show that our simulation framework takes at most 1.5 times longer than simulated time with high traffic load, and it is up to 100 times faster with low traffic. Fast and reliable information dissemination was observed even with low VANET market penetration of 1%. Intelligent routing with traffic information reduced travel time of VANET-capable vehicles by up to 10 percent with market penetration of 5 percent." @default.
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- W568030414 date "2008-01-01" @default.
- W568030414 modified "2023-09-24" @default.
- W568030414 title "An Integrated Transportation and Communication Simulation Framework for Vehicular Ad Hoc Network Applications" @default.
- W568030414 hasPublicationYear "2008" @default.
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