Anant Sahai

Anant Sahai

Title
Professor of Electrical Engineering and Computer Sciences
Department
Division of Computer Science/EECS
Division of Electrical Engineering/EECS
Phone
(510) 642-9719
Research Expertise and Interest
information theory, communications theory, wireless communication, machine learning, cognitive radio, distributed control, spectrum sensing, spectrum sharing, spectrum policy, power consumption in communications systems
Research Description

Anant Sahai's areas of interest are machine learning, communications, and control. On the communications side, his interests are particularly in the areas of wireless and information theory. Within information theory, one of his current areas of interest is in developing conceptual tools needed to understand the fundamentals of "quality of service"; beyond classical Shannon data rate. To that end, he is interested in distributed control systems as they provide well formed mathematical models that do not mesh with the classical notions from information theory. In addition, distributed control is a setting in which we can explore the role of implicit communication/signalling.

He is also interested in how multi-scale heterogenous wireless systems can coexist peacefully within the context of cognitive radios. This is the general problem of spectrum sharing. Besides being an interesting case of distributed control, this brings legal and economic concerns together with communications and signal-processing in a non-trivial way. Within machine learning, he is particularly interested in how to get artificial agents to cooperate as well as general issues on the fundamental limits of learning, and how assumptions interact with inference procedures. 

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