Vehicular ad-hoc network (VANET) has several characteristics that are different from mobile ad-hoc network (MANET). Due to these characteristics, the network topology based protocol, often used in MANET, can not be applied to VANET. In this paper, the authors propose an emergency warning message (EWM) broadcast protocol using range-based relay node selecting algorithm, which determines the minimal waiting time spent by a given node before re-broadcasting the received warning message. Because the waiting time for a message transmission is randomly calculated based on the distance between the sender node and the receiver node, the chosen node as the relay node will have have a minimal waiting time. The results of experiment show the proposed algorithm performed better than the flooding and the distance-based relay nodes selecting algorithm in terms of the network load and the end-to-end delay time. Furthermore, the proposed algorithm can reduce message transmission latency under the circumstances of low node density and short transmission range in VANET.
An effective data dissemination in vehicular ad-hoc network
2008
10 Seiten, 15 Quellen
Conference paper
English
Algorithmus , Datenfunk , Datenpaketübertragung , drahtloses Netzwerk , experimentelles Ergebnis , Leistungsverbesserung , Methodenvergleich , Nachrichtennetz , Netzbelastung , Netzwerkprotokoll , Netzwerktopologie , Notruf , Rechnernetz , Rundfunktechnik , Übertragungsprotokoll , Verkehrssignaltechnik , Verzögerungszeit , Wartezeit , Zugriffskontrolle
VRDD: vehicular relevance‐based data dissemination in a vehicular ad hoc network
Wiley | 2019
|VRDD: vehicular relevance-based data dissemination in a vehicular ad hoc network
IET | 2019
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