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In this paper we investigate whether scheduling packets based on path information can improve the fairness in an ad hoc network. The users may have a need for a predictable service over time and common to the whole ad hoc network. However, the performance depends on the path between sender and receiver, and it will therefore vary over time. Two schemes are analyzed; the first scheme differentiates...
We propose and analyze an augmented DiffServ architecture for ad hoc networks. A scheme based on shadow classes and ECN is used to control the load. By including ECN we are able to regulate the admitted flows and the best-effort traffic in order to avoid congestion and improve the conditions for the prioritized traffic. Through simulations we analyze the proposed architecture, and illustrate trade-offs...
We propose and discuss an augmented DiffServ architecture for ad hoc networks. It utilizes the concept of shadow classes and monitoring for admission control. Each DiffServ class has an associated shadow class with a higher drop probability, but the same scheduling properties. A new flow must reside in its shadow class before it is admitted. The resulting QoS is monitored, and the new flow is not...
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