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  Emergency Messaging for Car Accident in Vehicular Ad-hoc Network  
  Authors : Ms. Yogita Raut; Vaishali Katkar
  Cite as:

 

Global positioning system is used to get the vehicle position and can be shared with other nodes in the network. The sparse vehicle traffic leads to network fragmentation, is challenging task for safety application. In case of emergency not all the vehicle get affected in network so broadcasting of alert packet is not feasible rather it has to be multicast, but defining the list of node for multicast is challenging task as every vehicle cannot hold the location information of the entire vehicle in the network. Calculating the list of relative vehicles position is depending on the travelling direction, bearing angle and distance. Road side unit manage all the vehicle information and detect the failure vehicle and calculate detail of the vehicles get affected by the failure vehicle using the geo positioning and multicast alert packet to identified vehicles. This will narrow down broadcasting scenario and prevent the traffic conjunction.

 

Published In : IJCSN Journal Volume 3, Issue 1

Date of Publication : 01 February 2014

Pages : 125 - 131

Figures : 06

Tables : --

Publication Link : IJCSN-2014/3-1/Emergency-Messaging-for-Car-Accident-in-Vehicular-Ad-hoc-Network

 

 

 

Ms. Yogita Raut : Department of Computer Science & Engineering, , G.H.R.I.E.T.W., Rashtrasant Tukdoji Maharaj Nagpur University Nagpur, India

Vaishali Katkar : Department of Computer Science & Engineering, , G.H.R.I.E.T.W., Rashtrasant Tukdoji Maharaj Nagpur University Nagpur, India

 

 

 

 

 

 

 

Vehicular ad-hoc network (VANET)

Road side unit(RSU)

Global Positioning System(GPS)

Relative positioning

Safety application

Network connectivity

Multicasting

One promising aspect of VANET is that it can considerably improve road safety and travel comfort. In case of emergency not all the vehicle get affected in network so broadcasting of alert packet is not feasible rather it has to be multicast This will narrow down the broadcasting scenario and prevent the traffic conjunction due to wrong message delivery to unwanted vehicles in highway scenario. The number of vehicle collisions can potentially be reduced. Reduce the number of fatal roadway accidents by providing early Alert message. As a final remark, the impact of RSU deployment and multicasting on the performance of safety applications for VANETs in highway scenarios has been investigated in this paper and ,further research is needed to extend this model to urban scenarios, where the occurrence of accident are not distributed uniformly on the road, because of the complication of traffic intersection, and more prone to accidents.

 

 

 

 

 

 

 

 

 

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