Abstract
The vehicular ad hoc networks (VANETs) are an example of mobile networks, which utilizes dedicated short-range communication (DSRC) to establish a wireless connection between cars, and their primary purpose is to provide more security and comfort for passengers. These networks utilize wireless communications and vehicular technology to collect and disseminate traffic information, and it is required to be delivered to all vehicles on the network reliably and quickly. One of the major challenges raised in VANETs is that the communication path between the source and destination nodes is disconnected due to the dynamic nature of the nodes in this network, and the reconnection process of nodes through the new path reduces the performance of network. This paper presents a highway routing protocol to overcome some of the challenges of these networks including routing cost, delay, packet delivery rate, and overhead. The NS2 is used for simulation, and the performance of the proposed protocol is compared with the VMaSC-LTE and DBA-MAC protocols. The results of the simulation indicated that the proposed protocol outperforms the other two protocols in terms of delay, packet delivery rate, and routing overhead.
Highlights
A vehicular ad hoc network is a wireless network in which the vehicles equipped with a wireless interface can communicate with each other or fixed roadside equipment [1,2,3] (Figure 1). ese networks create wireless communication among moving vehicles utilizing dedicated short-range communications (DSRC) [2]
The most significant operational obstacle for vehicular ad hoc networks (VANETs) is its high speed and the mobility of mobile nodes, alongside the routes, indicating that the appropriate design of routing protocols requires the improvement of mobile ad hoc networks (MANETs) structure so that it can match itself to the rapid mobility of VANET nodes in an efficient way [7]
Vehicular ad hoc networks provide the context for diverse applications like security and welfare in a wide range of intelligent transportation systems (ITS) [8, 9]. us, the development of appropriate routing protocols has always been a challenge for researchers
Summary
A vehicular ad hoc network is a wireless network in which the vehicles equipped with a wireless interface can communicate with each other or fixed roadside equipment [1,2,3] (Figure 1). ese networks create wireless communication among moving vehicles utilizing dedicated short-range communications (DSRC) [2]. E main challenge that the suggested method is trying to solve is the global coverage of the routes to prevent the loss of the packages and reduce the delay. In order to solve this problem in the proposed method, it is attempted to minimize the number of fixed Roadside Units (RSUs) by identifying accident sites and installing fixed RSUs in those locations, minimizing the routing cost of purchasing and installing equipment, and covering the entire route using mobile. E packet delivery rate increases, and end-to-end delay decreases when covering the entire route with fixed and mobile RSUs. the primary purpose of VANETs, i.e., security and comfort of users, is obtained by collecting the entire information of route and distributing it between cars.
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