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Colloquium - Han

Wireless Sensor Networks: Applications, Systems, and Security
University of Colorado Boulder
9/21/2006
3:30pm-4:30pm

Wireless sensor networks (WSNs) have recently attracted great interest in the computer science research community because they present a vision of computing that is ubiquitous, networked, embedded, and wireless. In situ deployment of widespread low cost WSNs has spurred new research in the design of sensor operating systems, networks, security, algorithms, HCI, databases, multimedia, etc. My WSN research can be categorized into three areas: new i) applications; ii) systems, including network protocols as well as operating systems; and iii) security. I will discuss our award-winning deployment of WSNs in the Bitterroot National Forest to monitor weather conditions around active wildland fires. I will outline our systems research on developing infrastructure to support such applications, including our lightweight Mantis sensor OS. I will present in depth our recent WSN research on a novel duty-cycled medium access control protocol called X-MAC. I will conclude with a discussion of our wireless security research for WSNs, focusing on our first-of-a-kind INSENS intrusion-tolerant routing protocol and our traffic analysis research.

Richard Han joined the Department of Computer Science at the University of Colorado Boulder in August 2001 as an Assistant Professor and leads the MANTIS wireless sensor networking project at CU-Boulder. He received a National Science Foundation CAREER Award in 2002, IBM Faculty Awards in 2002 and 2003, and a Best Paper Award at ACM MobiSys 2006. Han was a Research Staff Member at IBM's Thomas J. Watson Research Center in Hawthorne, New York from 1997-2001. Han received a PhD in Electrical Engineering from the University of California at Berkeley in 1997 and a BS in Electrical Engineering, with distinction, from Stanford University in 1989.

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