Improved capacity bounds for wireless networks: Research Articles

Authors:
Ashish Agarwal;P. R. Kumar
Affiliations:
Department of Computer Science and Coordinated Science Laboratory, University of Illinois at Urbana Champaign, 1308 West Main St., Urbana, IL 61801-2307, USA;University of Illinois, Coordinated Science Laboratory, 1308 West Main St., Urbana, IL 61801-2307, USA
Venue:
Wireless Communications & Mobile Computing - Special Issue: Scalability Issues in Wireless Networks—Architectures, Protocols and Services
Year:
2004

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Abstract

We obtain improved upper and lower bounds on the best case and random case transport capacities of wireless networks under the Protocol Model of communication in Reference [1]. These results bracket the best case transport capacity to within a factor of $\sqrt8$ for wireless networks on a disk. This is done by identifying larger exclusion regions for receivers. The general result on exclusion regions can also be applied to arbitrary wireless footprints, including those arising from directional antennas, thus obtaining superior bounds for such technologies too. Copyright © 2004 John Wiley & Sons, Ltd.