Toronto Networking Seminar

Organized by Department of Computer Science and Department of Electrical and Computer Engineering, University of Toronto

A Framework of Coded Video Multicast

Pin-Han Ho
Department of Electrical and Computer Engineering
University of Waterloo


Friday, February 12, 3pm
Location: BAB024 (Bahen Basement) 


The talk introduces a new framework of coded video multicast in Wireless broadband access for supporting real-time multimedia services such as scheduled IPTV. The talk will firstly give an overview on the proposed coded video multicast framework, which is comprised of an interplay of multiple description coding (MDC) on successively refinable (SR) information source with superposition coding (SPC) based layered modulation at channel. For achieving simple implementation of SPC modulation, the talk will introduce a novel Logical SPC technique which can completely avoid the use of hardware-based signal superposition and signal-interference cancellation (SIC) based demodulation. Based on the proposed framework, the end to end information distortion will be analyzed by assuming Gaussian source and channel, and the developed close-form information distortion upper bound will be further minimized by manipulating the protection code. For dynamic operations, a method will be introduced that can near-optimally determine the system parameters. Extensive experiment results will be provided to show validate the proposed framework and the proposed parameter selection approach.


Dr. Pin-Han Ho received his B.Sc. and M.Sc. degree from the Electrical Engineering department in National Taiwan University in 1993 and 1995, respectively, and Ph.D. degree from Queen's University at Kingston at 2002. He is now an associate professor in the department of Electrical and Computer Engineering, University of Waterloo, Canada. Professor Pin-Han Ho is the author/co-author of more than 150 refereed technical papers, several book chapters, and the co-author of a book on optical networking and survivability. His current research interests cover a wide range of topics in broadband wired and wireless communication networks, including network survivability and failure localization, wireless video multicast, and cognitive radio. He is the recipient of Distinguished Research Excellent Award in the ECE department of U of Waterloo, Early Researcher Award (previously known as Premier Research Excellence Award) in 2005, the Best Paper Award in SPECTS'02, ICC'05 Optical Networking Symposium, and ICC'07 Security and Wireless Communications symposium, and the Outstanding Paper Award in HPSR'02.

Host of Talk:

Ben Liang (