Mobility

Distributed Admission Control Protocol for End-to-End QoS Assurance in Ad Hoc Wireless Networks

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Executive Summary

To reserve end-to-end bandwidth in Quality of Service (QoS) supported wireless ad hoc networks, local bandwidth requirement should be carefully determined by considering the number of contending nodes in an interference range. In this paper, the authors propose a novel admission control protocol, called DACP (Distributed Admission Control Protocol), which is implemented over a reactive ad hoc routing protocol with minimal overhead. DACP computes the required bandwidth for end-to-end band-width provision at each node and estimates the available bandwidth at the medium access control layer. After that, DACP makes a decision for admitting a flow in a per-hop basis. Extensive simulations are carried out via the OPNET simulator.

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