ECE Research Seminar by Hangguan Shan
On Friday, November 4, the Department of Electrical and Computer Engineering welcomes Hangguan Shan, an associate professor in the College of Information Science and Electronic Engineering at Zhejiang University in China, for a seminar titled “Design and Analysis of MEC-and Proactive Caching-based 360-Degree Mobile VR Video Streaming.” The virtual seminar will take place on Zoom and begin at 9 a.m.
Abstract
Recently, 360-degree mobile virtual reality video (MVRV) has become increasingly popular because it can provide users with an immersive experience. However, MVRV is usually recorded in a high resolution and is sensitive to latency, which indicates that broadband, ultra-reliable, and low-latency communication is necessary to guarantee the users’ quality of experience. In this talk, we present our design of a mobile edge computing-based 360-degree MVRV streaming scheme with field-of-view (FoV) prediction, which jointly considers video coding, proactive caching, computation offloading, and data transmission. To meet the requirement of stringent end-to-end (E2E) latency, the user’s viewpoint prediction is utilized to cache video data proactively, and computing tasks are partially offloaded to the MEC server. In addition, we propose an analytical model based on diffusion process to study the packet transmission process of 360- degree MVRV in multihop wired/wireless networks and analyze the performance of the MEC-enabled scheme. Simulation results verify the accuracy of the analysis and the effectiveness of the proposed MVRV streaming scheme in reducing the E2E delay. Furthermore, the analytical framework sheds some light on the impacts of system parameters, e.g., FoV prediction accuracy and transmission rate, on the balance between computation delay and communication delay.
Biography
Hangguan Shan received a B.Sc. degree in electrical engineering from Zhejiang University in Hangzhou, China, in 2004, and a Ph.D. degree in electrical engineering from Fudan University in Shanghai in 2009. From 2009 to 2010, he was a postdoctoral research fellow with the University of Waterloo in Canada. Since 2011, he has been with the College of Information Science and Electronic Engineering at Zhejiang University, where he is currently an associate professor. He is also with the Zhejiang Provincial Key Laboratory of Information Processing Communication Networks, Hangzhou and SUTD-ZJU IDEA, Hangzhou. His current research interests include machine learning-enabled resource allocation and quality-of-service provisioning in wireless networks. Shan has served as a technical program committee member of various international conferences, including the IEEE GLOBECOM, ICC, WCNC, and VTC. He has received the Best Industry Paper Award from the 2011 IEEE WCNC held in Quintana Roo, Mexico. He was an editor of IEEE Transactions On Green Communications And Networking.
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