Research Article

Performance Comparison of IEEE 802.11p and IEEE 802.11b for Vehicle-to-Vehicle Communications in Highway, Rural, and Urban Areas

Table 3

V2V applications and requirements [8].

Application nameDescriptionApplication typeCommunication modeMinimum
transmission
frequency

Emergency Brake Light WarningInforms vehicles when driver brakesSafety applicationPeriodic permanent
message broadcasting
10 Hz
Forward Collision WarningDetects moving vehicles directly aheadSafety applicationCooperation
awareness between
vehicles associated with
unicast
10 Hz
Intersection MovementWarns the drivers when they approach intersectionsSafety applicationPeriodic
message broadcasting
10 Hz
Blind Spot & Lane Changing AssistanceDecreases lateral collisions by disabling the lane changingSafety applicationPeriodic
message broadcasting
10 Hz
Do Not Pass (Overtaking) WarningWarns the driver not to overtake or disable lane changingSafety applicationBroadcasting when overtaking10 Hz
Head On & Rear End Collision WarningWarns the drivers that are coming from opposite lane when a traffic accident occursSafety applicationBroadcasting when collision occurred10 Hz
Collision Risk WarningDetects vehicles that have risk of collisionSafety applicationBroadcasting when a risk occurred10 Hz
Hazardous Location NotificationInforms the drivers when some obstacles are discovered on the roadSafety applicationBroadcasting when road is slippery10 Hz
Emergency Vehicle WarningBroadcasts to all vehicles and RSUs to open the lane when an emergency vehicle is detectedSafety applicationBroadcasting when an emergency vehicle is detected10 Hz
Speed ManagementBalances the speed of vehicleTraffic efficiency applicationCooperation
awareness
2 Hz
Route Guidance & Transportation Congestion SystemsInforms the drivers when they try to reach the destinationTraffic efficiency applicationCooperation
awareness
2 Hz
Fleet ControlInforms the fleet companies about their vehiclesTraffic efficiency applicationCooperation
awareness
2 Hz