A Survey and Comparative Study of Broadcast Warning Message Dissemination Schemes for VANETs

Table 1

Parameters selected to assess the different broadcast schemes.

Scheme	Topology	RPM	Max. Tx range	Standard	Mobility model	Simulator
Counter [5]	0.25–25 km^2 field	Free space	500 m	801.11	RWP	Custom C++ simulator
Distance [5]	0.25–25 km^2 field	Free space	500 m	801.11	RWP	Custom C++ simulator
eMDR [46]	4 km^2 urban	RAV	400 m	802.11p	Krauss	ns-2
-persistence [41]	Single and multilane	Free space	1000 m	802.11a	—	OPNET
TLO [42]	Four-lane street	—	300 m	802.11	Uniform speed	GrooveNET
APAL [43]	Four-lane street	—	200 m	802.11b	Uniform speed	GrooveNET
SBS [44]	1 km^2 field	—	10 m	—	—	Custom Java simulator
CLBP [49]	Two-line highway	TRG	250 m	802.11e	Constant speed	ns-2
NJL [50]	4 km^2 urban	RAV	400 m	802.11p	Krauss	ns-2
RTAD [57]	4 km^2 urban	RAV	400 m	802.11p	Krauss	ns-2
FDPD [56]	4 km^2 Manhattan	TRG	200 m	802.11	Manhattan	J-Sim
UV-CAST [55]	1 km^2 urban	LOS	140–250 m	802.11p	CA-based	ns-2
DV-CAST [54]	Circular highway	Ricean	—	802.11a	Uniform speed	ns-2
JSF [52]	4 km^2 urban	RAV	400 m	802.11p	Krauss	ns-2