A Hybrid Traffic Management Method Based on Combination of IOV and VANET Network in Urban Routing for Emergency Vehicles

In fact, Vehicular ad hoc network (VANET) is a type of mobile ad hoc networks (MANETs) created to develop vehicle networks. VANET provides communication between adjacent vehicles, as well as between fixed vehicles and equipment that are usually installed on the side of the road. The main goal of VANET networks is to provide greater comfort and security for passengers. In an intelligent transportation system, the VANET network is a central and effective core for connecting vehicles to each other. Although VANET vehicle networks are not a new issue, they still face operational challenges and fundamental structural problems that necessitate research in this area. The current problem with VANET networks is that they are limited to one area and it is not possible to control them outside the area. Also, Internet of Vehicles (IoV) is a large interactive network consisting of speed, vehicle position, and route information. In such a system, vehicles can collect environmental information via the Internet using GPS, RFID, sensors, image processing, and other devices. The problem with this technology is that the Internet of Vehicle is dependent on the use of the Internet. Both IOV and Vanet technologies face limitations and are ineffective in emergencies such as ambulances or fire trucks heading to their destinations. In view of aforesaid, in this paper, we introduce a hybrid model that aims to overcome the technical limitations of VANETs and manage larger environments for emergencies. This hybrid model is able to overcome communication constraints and provides a safe and secure routing method for emergency vehicles to reach their destination. The proposed method has been evaluated by simulating NS2 and SUMO, and its efficiency has been proven in terms of End-to-End Delay, Throughput, Packet Delivery Ratio, and Bandwidth compared to previous methods.