Abstract
As vehicle population has been increasing on a daily basis, this leads towards increased number of accidents. To overcome this issue, Vehicular Ad Hoc Network (VANET) has come up with lot of novel ideas such as vehicular communication, navigation and traffic controlling. In this study, the main focus is on congestion control at the intersections which result from unclear ahead. For this purpose, a city lane and intersection model has been proposed to manage vehicle mobility. It shows the actual vehicle to vehicle and vehicle to traffic infrastructure communication. The experiment was conducted using Network Simulator 2 (NS 2). The implementation required modelling the road side unit, traffic control unit, and on-board unit along the roadside. In the simulation, including traffic volume, the distance between two signals, end-to-end delay, packet delivery ratio, throughput and packet lost were taken into consideration. These parameters ensure efficient communication between the traffic signals. This results in improved congestion control and road safety, since the vehicles will be signalled not to enter the junction box and information about other vehicles.
Highlights
Vehicular Ad Hoc Network (VANET) is a potential area in road safety, traffic management, and information passing for the drivers and commuters
A network is created by the connection of the vehicles and Road Side Units (RSUs), called a vehicular ad hoc network (VANET), further, the RSUs connected to internet
In this study a VANET based vehicle to vehicle and vehicle to signal control that is, the infrastructure based road traffic control system which can collect traffic information from individual cars and disseminate information of road traffic over a network to control the traffic signalling is presented so as to avoid the vehicle from the entering the yellow box on the intersection
Summary
Vehicular Ad Hoc Network (VANET) is a potential area in road safety, traffic management, and information passing for the drivers and commuters. This study suggests a novel solution to achieve congestion free traffic at the intersection to avoid the vehicles to enter the yellow box area at the intersection. The objective in the design of such networking is to achieve a congestion free traffic control to avoid the vehicles by using vehicle-to vehicle, vehicle to infrastructure and vehicle-to-roadside unit wireless communication. In this study a VANET based vehicle to vehicle and vehicle to signal control that is, the infrastructure based road traffic control system which can collect traffic information from individual cars and disseminate information of road traffic over a network to control the traffic signalling is presented so as to avoid the vehicle from the entering the yellow box on the intersection. In the current road traffic signalling systems road sensors are used in some busy streets of cities to estimate traffic arrivals which provide a very limited information about the traffic status [2]
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