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Wireless vehicular networks operating on the Dedicated Short-Range Communications (DSRC) frequency bands are the key enabling technologies for the emerging market of Intelligent Transport System (ITS). The Wireless Access in Vehicular Environments (WAVE) is significantly different from the Wi-Fi and cellular wireless networking environments. The specifications defined by IEEE802.11P and IEEE1609 represent the most mature set of standards for DSRC/WAVE networks. This paper provides an overview of the current state of the art, and analyzes the potential differences between application requirements and what can be offered by the current WAVE solutions. It is shown that the current solutions may be inadequate for large-scale deployment.
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