A Centralized MAC Protocol for QoS Support in UWB-Based Wireless Networks

Authors:
Yuechun Chu;Aura Ganz
Affiliations:
Multimedia Networks Laboratory, ECE Department, University of Massachusetts, Amherst 01003;Multimedia Networks Laboratory, ECE Department, University of Massachusetts, Amherst 01003
Venue:
Wireless Personal Communications: An International Journal
Year:
2005

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Abstract

In this paper we introduce a novel MAC protocol that provides Quality of Service (QoS) support for multimedia traffic in UWB-based wireless local area networks. The proposed protocol allocates transmission opportunities to QoS and best effort traffic using a set of scheduling and resource control algorithms. The algorithms account for the UWB characteristics such as the co-existence of multiple simultaneous transmissions as well as the possibility of dynamically assigning the nodes' transmission rate and power. The simulation results show that the proposed protocol can provide QoS support while optimizing resource utilization.