Capacity analysis and MAC enhancement for UWB broadband wireless access networks

Authors:
Lin X. Cai;Xuemin (Sherman) Shen;Jon W. Mark;Lin Cai
Affiliations:
Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ont., Canada N2L 3G1;Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ont., Canada N2L 3G1;Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Ont., Canada N2L 3G1;Department of Electrical and Computer Engineering, University of Victoria, Victoria, BC, Canada V8W 3P6
Venue:
Computer Networks: The International Journal of Computer and Telecommunications Networking
Year:
2007

Citing 3
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Abstract

We analyze the capacity of ultra-wide band (UWB) wireless access networks supporting multimedia services by calculating the number of multimedia connections that can be supported in a UWB access network with IEEE 802.15.3 Medium Access Control (MAC) protocol, considering the overheads from different layers. We then propose how to increase the capacity by improving the MAC protocol design and parameter setting. We also quantify the effectiveness of different approaches and derive the appropriate MAC protocol parameters such as the duration of contention period and contention free period in a superframe. Simulation results are given to demonstrate the accuracy of the analysis.