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Chao Gui University of California, Davis Computer Science Department Date : Thursday, March 3, 2005 Time : 10:30 - 11:30 a.m. Location : Science & Tech II, Room 320 Abstract: For most applications of sensor networks, it is crucial to extend the network's life-time because of a limited energy budget at each node.We thus consider an over-deployment model in which a smaller workingset is formed within the network. The size and the spatial distributionof the working set is usually controlled by the sleep-awake schedulingschemes. Within this scope, we consider the applications of sensornetwork for target tracking and surveillance. Several guidelines forthe trade-off between the network functionality and life-time will beinferred from the following studies. We first propose and derive a metric for "quality of surveillance". Intarget tracking applications, the sensor nodes collectively monitor andtrack the movement of an event or object. This study quantifies thetrade-off between power conservation and quality of surveillance whilepresenting guidelines for efficient deployment of sensor nodes. In thesecond part of the talk, we propose patrol-based surveillanceapproaches. A new framework, called SENSTROL, is proposed that providesenergy-efficient patrolling in any desired path or regions in anon-demand manner. The implementation and the operational behavior ofthe framework will be demonstrated. Biography:Chao Gui is a Ph.D. candidate in the department of computer science atthe University of California, Davis. He received a B.S. degree fromHuazhong University of Science and Technology, and an M.S. degree fromthe University of Central Florida, both in computer science. Hisresearch interests include sensor networks, mobile ad hoc networks andwireless networking. His previous efforts have been on virus detectionin MS-DOS during the undergraduate years, and on theoretical computerscience while at the UCF.
Seminar Point of Contact: Prof. Jana Kosecka
Designated as a Center of Academic Excellence in Information Assurance Education by the National Security Agency
The Committee on National Security Systems
and the National Security Agency have certified that George Mason
University offers a set of courseware that has been reviewed by National Level Information Assurance Subject
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NSTISSI No. 4011,
4012, and
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for academic years 2005 - 2008.
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