Abstract
Nowadays one of the hottest theme in wire- less environments research is the application of the newest technologies to road safety problems and traf- fic management exploiting the Vehicular Ad-Hoc Net- work (VANET) architecture. In this work, a novel pro- tocol that aims to achieve a better trac management is proposed. The overal system is able to reduce traf- fic level inside the city exploiting inter-communication among vehicles and support infrastructures also known as Vehicle to Vehicle (V2V) and Vehicle to Infras- tructure (V2I) communications. We design a net- work protocol called Smart Trac Management Pro- tocol (STMP) that takes advantages of IEEE 802.11p standard. On each road several sensors system are placed and they are responsible of monitoring. Gath- ered data are spread in the network exploiting ad-hoc protocol messages. The increasing knowledge about en- vironment conditions make possible to take preventive actions. Moreover, having a realtime monitoring of the lanes it is possible to reveal roads and city blocks con- gestions in a shorter time. An external entity to the VANET is responsible to manage trac and rearrange trac along the lanes of the city avoiding huge trac levels.
Highlights
Every year a high number of people lose their life in car accidents due to lack of a good traffic management
In the On Board Unit (OBU), which is proposed in this work, we provide a core unit that can communicate with vehicles sensors, Global Position System (GPS) unit and environmental sensors such as proximity, distance sensors and so on
We show the results achieved using the Smart Traffic Management Protocol (STMP), that we have already introduced in above sections comparing it with the Wave Short Message Protocol (WSMP) and the Cooperative Awareness Message (CAM)
Summary
Every year a high number of people lose their life in car accidents due to lack of a good traffic management To overcome these troubles, in these last few years car manufactures and High Level Governance Institutions invested in IEEE 802.11p standard and road infrastructures to increase active and passive safety systems. With IEEE 802.11p, vehicles can exchange messages quite efficiently among themselves using ad-hoc connections with a multi-hop protocol to spread data in an efficient way in order to inform other vehicles about their conditions and about what they have recognized These technologies can be used to increase active and passive safety system informing vehicles and infrastructures about dangerous situations that can happen along the roads.
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