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The development of vehicular networks leads to a plethora of new applications that are already becoming essential to the drivers and to cooperative vehicles. One important condition to the continuity of these new services is the existence of an ubiquitous network access, which cannot be completely guaranteed. In this context, developing reliable ad hoc vehicle-to-vehicle communications is a good alternative...
The Optimized Link State Routing (OLSR) protocol, early designed for Mobile Ad hoc Networks (MANET), has been customized and evaluated for various Vehicular Ad hoc Network (VANET) scenarios. Most of the related work focus on changing OLSR parameters in order to adapt it to the high dynamicity of VANET due to high velocity of its nodes. However, they keep using OLSR with its native clustering scheme,...
Vehicular communications can be achieved through the infrastructure (Vehicle-to-infrastructure network, V2I), as well as directly through vehicle-to-vehicle communication (V2V) via ad hoc networks. In V2V communications, the routing protocols are designed in order to optimize the dissemination of messages. This paper presents an evaluation of routing protocols such as the Optimized Link State Routing...
Much of the schemes for Multipoint Relay (MPR) selection in wireless ad hoc networks have been studied using the unit graph model, under the assumption that packets are always received without any error. As this model does not reflect the real scenario of transmissions, recent studies propose heuristics which enable selecting MPR under realistic assumptions. For this, they use redundancy to maximize...
The growing popularity of mobile devices equipped with wireless interface makes Mobile Ad-hoc Networks (MANET) become an interesting architecture for rapid deployment of related applications without relying on any infrastructure. When the MANET is dense, and the source is located more than one hop away from the destination, providing delivery ratios that meet real-time video streaming constraints...
Mobile ad hoc network architecture allows cheap and easy deployment of network services almost anywhere and at anytime. Besides Internet access which is a best-effort service, multimedia applications are the most requested. They usually impose stringent quality of service constraints in terms of metrics including bandwidth, end-to-end delay, jitter and loss rate. In this paper, we evaluate the performance...
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