The IEEE joint Communications and Signal Processing Chapter in Austin is hosting Prof. Robert W. Heath Jr. from the University of Texas at Austin for a talk on Limited Feedback in Wireless Communication at the September chapter meeting.
Prof. Heath is one of the leading researchers in MIMO wireless communication and would be presenting some of the work being done by his research group in this talk. The details of the talk are included below. Note: Please register for this event if you will be attending.

Abstract:

Wireless communication systems have improved efficiency in several dimensions in the past decade. One prominent change is the sweeping incorporation of multiple antennas, at both the transmitter and receiver, to achieve higher capacity, better quality, and resilience to interference through new modes of operation. A corresponding advance, resulting from increasing flexibility in the transmitter configuration, is algorithms that adapt the transmit strategy to the dynamic propagation environment. The concept of limited feedback lies at the heart of these two fundamental changes in wireless design. Limited feedback is a methodology for obtaining and exploiting propagation channel state information at the transmitter. It uses a finite rate feedback control channel to convey quantized observations of the channel from the receiver to the transmitter. Limited feedback allows the transmitter to adjust how antennas are configured and change other parameters like the transmission rate to maximize performance. This presentation reviews several breakthroughs in limited feedback multiple antenna wireless communication. The connection between limited feedback and quantization on the Grassmann manifold is explained. Then, a new approach for adaptive high resolution limited feedback beamforming is revealed. It leverages temporal correlation in the channel through a new predictive coding framework that reduces feedback rates and/or increases effective resolution. The presentation concludes with a review of experimental activities and directions for future work in wireless networks.

Speaker Bio:

Robert W. Heath Jr.  received the B.S. and M.S. degrees from the University of Virginia and the Ph.D. from Stanford University, all in electrical engineering. Previously he was a Senior Member of the Technical Staff then a Senior Consultant at Iospan Wireless Inc, San Jose, CA where he worked on the design and implementation of the physical and link layers of the first commercial MIMO-OFDM communication system. Currently he is an Associate Professor in the Department of Electrical and Computer Engineering at The University of Texas at Austin, and Associate Director of the Wireless Networking and Communications Group. He is also founder and President of MIMO Wireless Inc. and VP of Innovation at Kuma Signals LLC. Dr. Heath has been an Editor for the IEEE Transactions on Communication and an Associate Editor for the IEEE Transactions on Vehicular Technology. He is a member of the Signal Processing for Communications Technical Committee in the IEEE Signal Processing Society and is the Vice Chair of the IEEE COMSOC Communications Technical Theory Committee. He is the recipient of the David and Doris Lybarger Endowed Faculty Fellowship in Engineering. He is a licensed Amateur Radio Operator and is a registered Professional Engineer in Texas. His research interests include several aspects of MIMO communication: limited feedback techniques, multihop networking,  multiuser MIMO, interference mitigation, 60GHz communication techniques, and multi-media signal processing.