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The paper is investigating connectivity conditions and optimal selection of infrastructure access points location in V2I communications, employed on urban motorways. Radio communication channels usability, taking into account third party channel utilization, is also analyzed. A mathematical model taking with road capacity and radio interferences is proposed to evaluate optimal AP density in the field...
Developing highly efficient routing protocols for vehicular ad hoc networks (VANETs) is a challenging task, mainly due to the special characters of such networks: large-scale sizes, frequent link disconnections, and rapid topology changes. In this paper, we propose an adaptive quality-of-service (QoS)-based routing for VANETs called AQRV. This new routing protocol adaptively chooses the intersections...
The high mobility of VANET makes information exchange across the network excessively difficult. Traditional approaches designed for stationary networks are not applicable due to the high dynamics among the nodes. Applying the routing techniques tailored for general mobile networks inevitably brings huge traffic burden to the crowded urban VANET and leads to low efficiency. To make the information...
Modeling radio wave propagation by a perfect circle around a transmitter is absolutely wrong. Obstacles effect must be considered especially in obstructed environments. In this paper we present a propagation model for vehicular network which takes into account the impact of physical obstacles present in the environment on electromagnetic wave propagation. Based on this model, we present a study of...
Nowadays, Vehicle Communication (VC) represents an interesting item for research and industry communities since it brings an efficient way to improve the transport quality. Nevertheless, VC faces a number of new challenges, in particular due to the extremely dynamic network topology and the large variable number of mobile nodes. To overcome these problems an effective solution is to define a self-healing...
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