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PR Kumar
University of Illinois at Urbana Champaign
Title: A Theory of Temporal Guarantees for Wireless
Abstract: The pioneering work of Liu and Layland in 1973 on real-time systems was motivated by the need for tasks in control systems to meet hard deadlines. With the advent of sensor networks and networked control, and the attendant possibility of closing loops over wireless channels, there arises the need for a theory that can deal with the probabilistic delivery of packets over the wireless medium. We present such a theory of QoS for wireless that provides a framework for dealing with channel unreliabilities, deadlines and delivery ratios. We present feasibility optimal scheduling policies and an admission control that allows maximal feasibility. Joint work with I. Hou and V. Borkar.