Abstract
Car-to-car communication makes possible offering many services for vehicular environment, mainly to improve the safety. The decentralized kind of these networks requires new protocols to distribute information. The advantages that it offers depend on the penetration rate, that will be enough only after years since the introduction, due to the longevity of the current cars. The V2X communication requires On-Board Units (OBUs) in the vehicles, and Road-Side Units (RSUs) on the roads. The proposed application uses the peculiarities of the VANETs to advise danger or emergency situations with V2V and V2I message exchange. IEEE 802.11p is standard on which the communication is based, that provides the physical and the MAC layers. The WAVE protocol uses this standard, implementing other protocols defined by the family of standards IEEE P1609 in the upper layers. They define security services, resource management, multichannel operations and the message exchange protocol in WAVE. The performance of the application will be evaluated through many simulations executed in different scenarios, to provide general data independent from them.
Highlights
More than 200 000 road accident happened in Italy in the 2010, causing more than 300 000 injuries, and 4 000 deaths [1]
The application was developed in two different versions: one used by generic cars supplied by WAVE technology, another one used by emergency vehicle, because operations they carry out are different
Main results generated by simulations, on which an evaluation will be made, are about emergency vehicle, and they are the final distance from the accident area, c 2013 ADVANCES IN ELECTRICAL AND ELECTRONIC ENGINEERING
Summary
More than 200 000 road accident happened in Italy in the 2010, causing more than 300 000 injuries, and 4 000 deaths [1]. If the cars involved in accidents can advise the event instantly to the emergency services, a timely intervention of rescue means would be possible. If the near cars can receive this information, they would avoid danger situations, and reduce
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