Abstract
A vehicular ad hoc network (VANET) is a wireless network that provides communications between nearby vehicles. Among the different types of information that can be made available to vehicles through VANETs, road traffic information is the most important one. This work is part of an experimental development of a wireless communication platform oriented to applications that allow improving road efficiency and safety, managing and monitoring road traffic, encouraging cooperative driving, and offering pedestrian services and other added-value uses. The proposed system consists of smartphones, sensors, and Wi-Fi hotspots 2.0, as well as complementary functionalities including access to network infrastructure via 3G, GPRS, and 4G. The developed wireless network prototype allows taking advantage of the potential benefits of VANETs. At the same time, the use of smartphones does not require large money investments either in public or restricted areas. The first implementations with smartphones have been useful to test the behaviour of the proposal in a real environment. We have also implemented a large-scale simulation by using NS-2 simulator. From the obtained data, we have estimated the minimum requirements necessary for the correct working of a VANET and the problems that can happen in case of possible attacks or communication overhead.
Highlights
There is an urgent need to improve traffic management throughout the world, in large urban areas
We propose a new approach for the deployment of vehicular ad hoc network (VANET) using current Information and Communications Technologies (ICTs)
VANET in Phones (VAiPho) uses Wi-Fi Direct, which is based on the IEEE 802.11 family of standards for wireless local area network operation and has the ability to communicate under the IEEE 802.11b/g/n standard
Summary
There is an urgent need to improve traffic management throughout the world, in large urban areas. The field of vehicular communications can offer huge advantages for drivers, pedestrians, traffic managers, transportation service providers, traders, and so forth It can suffer many types of attacks that can endanger human lives or decrease transport efficiency in strategic times and/or locations. This paper describes a set of tools for the implementation of the proposal in the Android platform It consists of a set of applications forming a secure communication system for spontaneous and self-organizing networks based on smartphones, which does not require any infrastructure in International Journal of Distributed Sensor Networks vehicles or on roads because its operating mode is completely distributed and decentralized.
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