Efficient and Fair Scheduling for Wireless Networks
Eryilmaz, Atilla
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Permalink
https://hdl.handle.net/2142/80920
Description
Title
Efficient and Fair Scheduling for Wireless Networks
Author(s)
Eryilmaz, Atilla
Issue Date
2005
Doctoral Committee Chair(s)
Srikant, Rayadurgam
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Computer Science
Language
eng
Abstract
We then consider the problem of fair end-to-end resource allocation in wireless networks. First, we consider the problem of allocating resources (time slots, frequency, power, etc.) 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 is well-known that appropriately chosen queue-length based policies are throughput-optimal while other policies based on the estimation of channel statistics can be used to allocate resources fairly among competing users. We show that a combination of queue-length-based scheduling at the base station and congestion control implemented either at the base station or at the end users can lead to fair resource allocation and queue-length stability. These results are then generalized to multihop wireless networks. However, for general multihop networks, we require a centralized scheduling policy. For a simple interference model, we study distributed and asynchronous versions of the mechanisms that we proposed, and prove their convergence properties.
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