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Distributed Fair Resource Allocation in Cellular Networks in the Presence of Heterogeneous Delays
Riva del Garda, Trentino, Italy April 04-April 06
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/WIOPT.2005.18Third International Symposium on Mode ...
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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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