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Security is a fundamental issue in the deployment of any kind of network, in particular those networks that affect people integrity. It is therefore important to detect the existence of any failure and to try to avoid its propagation as much as possible. In order to take maximum advantage of ad-hoc networks, protocols should be adapted to these new technologies by proposing new alternatives to centralized...
This letter proposes a novel proactive congestion control policy for vehicular ad-hoc networks, in which each vehicle's communication parameters are adapted based on their individual application requirements. Contrary to other approaches, where transmission resources tend to be assigned based on system-level performance metrics, the technique proposed in this paper aims to individually satisfy the...
Reliable broadcasting in vehicular ad hoc networks is challenging due to its unique characteristics including intermittent connectivity and various vehicular scenarios (car traffic is possibly very dense in urban areas or very sparse on highways). In this paper, we propose a new reliable broadcast protocol which is suitable for such characteristics. To address the issue of various vehicular scenarios,...
Multi-hop broadcast is a key technique to disseminate important information such as time-sensitive safety warning messages (WMs) in Vehicular Ad hoc Networks (VANETs). Due to the fact that the implementation of broadcast at the link layer uses unreliable transmissions (i.e., lack of positive ACKs), highly reliable, scalable, and fast multi-hop broadcast protocol is particularly difficult to design...
Most of the envisioned services over vehicular networks need to deliver information to all vehicles inside a certain region. Several such broadcasting protocols have been reported so far, but surprisingly only one of them addresses the issue of intermittent connectivity. In this paper, we present a broadcast protocol which is suitable for a wide range of vehicular scenarios and traffic conditions...
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