"Networking Now: From SmartRing to Sensor Networks"
Dr. Hyunseung Choo, Convergence Research Institute
In this talk, we present the SmartRing which is the latest result of the academic-industrial cooperation project, ongoing researches in the research center, and the recent results of our study. SmartRing is software applications for smart mobiles that make the recipient see information of the sender through video clips or pictures before picking up the phone call. In this way, we are able to share user's current context and status by sending some user contents to the recipient for impression management and advertisement. We also study academic mobile computing area including proxy MIP, WSN-M2M, and femtocell networking. Especially in the WSNs area, we have been focusing on energy efficiency, reliable transmission, localization, and duty cycling. Here we show two schemes as our latest results. The first one considers the fair load distribution in unreliable WSNs. In this work, we propose a load distribution method using the linear programming that considers the path quality from each node to the base station. In the second, we investigate the scheduling problem in duty cycled WSNs. We propose an Adaptive Duty - Cycling (ADC) approach to minimize the delay and extend the network life time by applying a different duty-cycle to each group.
Hyunseung Choo has received the MS in Computer Science from the University of Texas at Dallas and the Ph.D. from the University of Texas at Arlington, in 1990 and 1996, respectively. He was a Patent Examiner at the Korean Industrial Property Office for a year. Since 1998, he has been with the School of Information and Communication Engineering, Sungkyunkwan University (Korea) and is now Professor and Director of the Convergence Research Institute. Since 2005, he has been the Director of the Intelligent HCI Convergence Research Center supported by the Ministry of Knowledge Economy (Korea). He is Professional Committee Member of the Directorate for Basic Research in Science and Engineering on National Research Foundation since 2010. He is Vice President of the Korean Society for Internet Information (KSII) and Executive Director of the Human Computer Interaction Korea. He has published over 300 papers in international journals and refereed conferences. His research interests include embedded networking, mobile computing, and clouds. Dr. Choo has been Editor-in-Chief of the Journal of Korean Society for Internet Information for three years and Journal Editor of Journal of Communications and Networks, ACM Transactions on Internet Technology, Journal of Supercomputing, and Founding Editor of Transactions on Internet and Information Systems since 2010. He is a member of the ACM, IEEE, and IEICE.
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