Abstract
Vehicle-to-Infrastructure (V2I) Communications for Safety is the wireless exchange of critical safety and operational data between vehicles and roadway infrastructure, intended primarily to avoid motor vehicle crashes. Vehicle-to-infrastructure (V2I) communication based on wireless local area network (WLAN) IEEE 802.11 standard technology can support user in-motion to achieve preferable Internet connectivity. This standard is created for urgent short message transmission.The IEEE 802.11 standard defines an infracture mode with at least one central access point connected to a wired network. In this paper we present an experimental study of IEEE802.11g using off-the-shelf devices in vehicle-to-infrastructure small scale scenario. In order to evaluate the V2I the type of communication in large scale scenario and intelligent transportation systems (ITS) will necessitate wireless vehicle-to-infrastructure (V2I) communica-tions. This wireless link can be implemented by several technolo-gies, such as digital broadcasting, cellular communication, or dedicated short range communication (DSRC) systems. Analyses of the coverage and capacity requirements are presented when each of the three systems are used to implement the V2I link
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