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Third International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt'05)
Distributed Fair Resource Allocation in Cellular Networks in the Presence of Heterogeneous Delays
Riva del Garda, Trentino, Italy
April 04-April 06
ISBN: 0-7695-2267-X
L. Ying, University of Illinois at Urbana-Champaign
R. Srikant, University of Illinois at Urbana-Champaign
A. Eryilmaz, University of Illinois at Urbana-Champaign
G. E. Dullerud, University of Illinois at Urbana-Champaign
We consider the problem of allocating resources at a base station to many competing flows, where each flow is intended for a different receiver. The channel conditions may be time-varying and different for different receivers. It has been shown in [6] that in a delay-free network, a combination of queue-length-based scheduling at the base station and congestion control at the end users can guarantee queue-length stability and fair resource allocation. In this paper, we extend this result to wireless networks where the congestion information from the base station is received with a feedback delay at the transmitters. The delays can be heterogenous (i.e., different users may have different roundtrip delays) and time-varying, but are assumed to be upper-bounded, with possibly very large upper bounds. We will show that the joint congestion control-scheduling algorithm continues to be stable and continues to provide a fair allocation of the network resources.
Citation:
L. Ying, R. Srikant, A. Eryilmaz, G. E. Dullerud, "Distributed Fair Resource Allocation in Cellular Networks in the Presence of Heterogeneous Delays," wiopt, pp.96-105, Third International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt'05), 2005
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