Vehicular networks have attracted great interest in the research community recently, and multi-hop routing becomes an important issue. To improve data delivery performance, the authors propose SADV (Static-node assisted Adaptive data Dissemination protocol for Vehicular networks), which utilizes some static nodes at road intersections in a completely mobile vehicular network to help relay data. With the assistance of static nodes at intersections, a packet can be stored in the node for a while and wait until there are vehicles within communication range along the best delivery path to further forward the packet, which reduces the overall data delivery delay. In addition, the authors let adjacent nodes measure the delay of forwarding data between each other in real time, so that the routing decision can adapt to changing vehicle densities. Their simulation results show that SADV outperforms other multi-hop data dissemination protocols, especially under median or low vehicle density where the network is frequently partitioned.
A static-node assisted adaptive routing protocol in vehicular networks
2007
9 Seiten, 9 Bilder, 29 Quellen
Aufsatz (Konferenz)
Englisch
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