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On Digitally-Enhanced Antenna Array Architectures and the Possibilities of Intelligent Co-Design

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What
  • Seminar Series
When May 05, 2014
from 01:00 PM to 02:30 PM
Contact Name
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Gregory W. Wornell 

MIT

 

Abstract

With CMOS circuits now able to operate at millimeter wave frequencies, there is the potential to develop new low-cost coherent imaging technology that can enable a host of new applications.  The degree to which this potential can be realized depends on how effectively some of the associated new technical challenges can be met.  I will discuss some examples of these challenges, and describe a viewpoint that may be useful in addressing them---one that emphasizes tighter interaction between the digital and analog aspects of the system design and signal processing.  As illustrations, I'll share a couple of recent but divergent examples of architectures inspired by this framework of thinking: dense delta-sigma arrays, and sparse multi-coset ones.

 

Biography

Greg Wornell has been on the MIT faculty since 1991, where he is the Sumitomo Professor of Engineering in the department of Electrical Engineering and Computer Science, and where he also did his graduate work.  His research interests span a variety of aspects of signal processing, information theory, digital communication, and statistical inference, and diverse applications.

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