GPSR: greedy perimeter stateless routing for wireless networks
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
A survey of QoS enhancements for IEEE 802.11 wireless LAN: Research Articles
Wireless Communications & Mobile Computing
A measurement study of vehicular internet access using in situ Wi-Fi networks
Proceedings of the 12th annual international conference on Mobile computing and networking
DeReQ: a QoS routing algorithm for multimedia communications in vehicular ad hoc networks
IWCMC '07 Proceedings of the 2007 international conference on Wireless communications and mobile computing
The impact of mobility on Mobile Ad Hoc Networks through the perspective of complex networks
Journal of Parallel and Distributed Computing
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Vehicular Ad Hoc Networks are a promising technology that provides several interesting new functionalities to drivers and passengers. These services are spread through a wide variety of applications, each with specific requirements in terms of latency, jitter and bandwidth, among other metrics. For this reason, it is crucial to provide mechanisms that can be used to offer different levels of communication quality in order to achieve reasonable performance in all services. In this paper, we demonstrate how link reliability may be used to support Quality of Service policies for any protocol based on unicast packets relay. This article is divided into two parts, the first of which describes how we estimate link reliability and evaluates how these estimations can be used to classify links into different groups with distinct quality. In the second part, this link reliability estimation model is used to group links into queues with different levels of expected transmission success ratios, which can be used to provide different quality levels depending on the requirements of each individual service. We show that the proposed mechanism adds little-to-none overhead to the overall network and provides an effective mean of supporting QoS in VANETs.