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A joint distributed resource management and scheduling scheme for future UWB-based high-rate WPAN

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4 Author(s)
Hassan Ali-Ahmad ; Institute of Electronics and Telecommunications of Rennes (IETR), INSA, 20 Avenue des Buttes de Coësmes, 35708, France ; Ayman Khalil ; Matthieu Crussière ; Jean-François Hélard

In this paper, we investigate the resource management and scheduling issues for the future UWB-based high-rate WPAN systems. Based on a distributed management architecture, we propose a novel multiple access scheme in the context of multiuser channel and time allocation for the UWB applications. Using a self-learning and managing approach, the distributed resource allocation is based on the exchange of useful information among the existing users to achieve a priority-based scheduling. A service differentiation principle is thus followed to guarantee a high level of QoS support for high-priority applications that have strict requirements. However, with the evidence of the service urgency that gives some type of applications a kind of privileged and high-prioritized medium access, fairness among all the users has to be taken into consideration in order not to decrease significantly the performance of some low-priority applications for the sake of other ones. Simulation results demonstrate the efficiency of the simple scheduling scheme that ensures fairness among the competing users while guaranteeing the QoS support for high-priority users.

Published in:

Signal Processing and Communication Systems (ICSPCS), 2010 4th International Conference on

Date of Conference:

13-15 Dec. 2010