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The Basic Safety Message (BSM) is a standardized communication packet that issent every tenth of a second between connected vehicles using Dedicated ShortRange Communication (DSRC). BSMs contain data about the sending vehicle'sstate, such as speed, location, and the status of the turn signal. Currently,many BSM datasets are available through the connected vehicle testbeds of U.S.Department of Transportation from all over the country. However, without aproper visualization tool, it is not possible to analyze or visually get anoverview of the spatio-temporal distribution of the data. With this goal, a webapplication has been developed which can ingest a raw BSM dataset and display atime-based simulation of vehicle movement. The simulation also displaysmulti-hop vehicular network connectivity over DSRC. This paper gives detailsabout the application, including an explanation of the multi-hop partitioningalgorithm used to classify the vehicles into separate network partitions. Aperformance analysis for the simulation is included, in which it is suggestedthat calculating a connectivity matrix with the multi-hop partitioningalgorithm is computationally expensive for large number of vehicles.

Simulating Vehicle Movement and Multi-Hop Connectivity from Basic Safety Messages