The main goal of inter-vehicle communication technologies is to provide each vehicle with the required information about its surrounding in order to assist the driver avoiding potential dangers. The required information level, or awareness, can be achieved by the exchange of periodic status messages (beacons) among neighbouring vehicles together with the quick dissemination of information about potential hazards. In previous work, an algorithm (D-FPAV) has been proposed to control the beaconing load on the medium by adjusting the transmission power in a fair and distributed fashion. In this paper, we adapt a promising position-based message forwarding strategy in order to disseminate time-critical safety information. Moreover, its performance is evaluated when making use of D-FPAV, i.e., limiting the beaconing load on the medium, in a realistic highway environment with probabilistic radio propagation characteristics.
Inter-vehicle communications: Assessing information dissemination under safety constraints
Fahrzeug-Fahrzeug-Kommunikation: Beurteilung der Informationsdichte unter Sicherheitsbedingungen
2007
6 Seiten, 19 Quellen
Aufsatz (Konferenz)
Englisch
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