Mobility

Admission Control in Wireless Multihop Networks

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Executive Summary

Admission control is an essential part of a traffic management system. Overloading the network will only lead to congestion and performance degradations. The paper investigates how to design admission control in wireless TDMA-based multihop networks. Key components are the estimation of the available resources and how to coordinate the usage of these resources among the nodes. To increase robustness the authors use a resource margin to deal with uncertainties in the resource estimates. The traffic consists of a mix of two types: prioritized delay-sensitive traffic and background traffic. The investigation focuses on the robustness of different admission control methods. Fairness is also included.

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