The vehicular ad hoc network (VANET) technology based on the approved IEEE 802.11p standard\nand the appendant inter-vehicle communication (IVC) has the potential to dramatically change the\nway transportation systems work. The fundamental idea is to change the individual behavior of\neach vehicle by exchanging information among traffic participants to realize a cooperative and\nmore efficient transportation system. Certainly, the evaluation of such systems is a comprehensive\nand challenging task in a real world test bed, therefore, simulation frameworks are a key tool to\nanalyze IVC. Several models are needed to emulate the real behavior of a VANET in all aspects as\nmuch realistically as necessary. The intention of this survey is to provide a comprehensive overview\nof publications concerning IVC simulations of the year 2013 and to see how IVC simulation\nhas changed since 2009. Based on this analysis, we will answer the following questions: What simulation\ntechniques are applied to IVC? Which aspects of IVS have been evaluated? What has\nchanged within five years of IVC simulations? We also take a closer look at commonly used software\ntools and discuss their functionality and drawbacks. Finally, we present open questions concerning\nIVC simulations.
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