id	keyword
cana-4064	obstacles
cana-4064	ieee
cana-4064	distance
cana-4064	communications
cana-4064	mac
cana-4064	performance
cana-4064	signal
cana-4064	network
cana-4064	vehicles
cana-4064	dba
cana-4064	routing
cana-4064	analysis
cana-4064	protocol
cana-4064	vanets
cana-4064	figure