Date and time: Friday, February 17, 10:30-11:30 am

Location: Carleton University, 4359 ME (Mackenzie Building). Campus map.


Speaker: Dr. Lian Zhao, Professor, Ryerson University

Abstract: Water-filling (WF) algorithm is a well-known important tool for optimal radio resource management (RRM) in communication systems to maximize channel capacity when power is constrained. We proposed geometric water filling approach to solve typical power allocation problems in a multiple-channel communication system for three different but related objectives: maximize throughput subject to total power constraint, minimize total power consumption subject to a target sum data rate, and maximize energy efficiency subject to total power constraint. These problems with the conventional approaches include solving non-linear equation set with approximate, or sub-optimal solutions. The proposed algorithms provide exact optimal solution and shed more insights to the problems and solutions. The proposed framework also provides enormous potential to optimally solve more complicated RMM problems for emerging communication systems.

Speaker Bio: Lian Zhao received her Ph.D. degree from the Department of Electrical and Computer Engineering (ELCE), University of Waterloo, Canada, in  2002. She joined the Department of Electrical and Computer Engineering at Ryerson University, Toronto, Canada, in 2003 and a Professor in 2014. Her research interests are in the areas of wireless communications, radio resource management, power control, cognitive radio and cooperative communications, optimization for complicated systems.

She received the Best Land Transportation Paper Award from IEEE Vehicular Technology Society in 2016; Top 15 Editor in 2015 for IEEE Transaction on Vehicular Technology; Best Paper Award from the 2013 International Conference on Wireless Communications and Signal Processing (WCSP) and Best Student Paper Award (with her student) from Chinacom in 2011; the Ryerson Faculty Merit Award in 2005 and 2007; the Canada Foundation for Innovation (CFI) New Opportunity Research Award in 2005, and Early Tenure and promotion to Associate Professor in 2006. She has been an Editor for IEEE Transaction on Vehicular Technology since 2013; workshop co-chair for IEEE/CIC ICCC 2015; local arrangement co-chair for IEEE Infocom 2014; co-chair for IEEE Global Communications Conference (GLOBECOM) 2013 Communication Theory Symposium.

She served as a committee member for NSERC (Natural Science and Engineering Research Council of Canada) Discovery Grants Evaluation Group for Electrical and Computer Engineering since 2015; an Associate Chair at the Department of Electrical and Computer Engineering at Ryerson University 2013-2015. She is a licensed Professional Engineer in the Province of Ontario, a senior member of the IEEE Communication and Vehicular Society.

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