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Events for August 28, 2013
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Meet USC: Admission Presentation, Campus Tour, & Engineering Talk
Wed, Aug 28, 2013
Viterbi School of Engineering Undergraduate Admission
Receptions & Special Events
This half day program is designed for prospective freshmen and family members. Meet USC includes an information session on the University and the Admission process; a student led walking tour of campus and a meeting with us in the Viterbi School. Meet USC is designed to answer all of your questions about USC, the application process and financial aid. Reservations are required for Meet USC. This program occurs twice, once at 8:30 a.m. and again at 12:30 p.m. Please visit https://esdweb.esd.usc.edu/unresrsvp/MeetUSC.aspx to check availability and make an appointment. Be sure to list an Engineering major as your "intended major" on the webform!
Location: Ronald Tutor Campus Center (TCC) - USC Admission Office
Audiences: Everyone Is Invited
Contact: Viterbi Admission
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CS Faculty Meeting (Full Professors)
Wed, Aug 28, 2013 @ 12:00 PM - 02:00 PM
Thomas Lord Department of Computer Science
Workshops & Infosessions
CS Faculty Meeting (Full Professors)
Details emailed to attendees.
RSVP link to be provided.Location: Ronald Tutor Hall of Engineering (RTH) - 526
Audiences: Invited Faculty Only
Contact: Assistant to CS chair
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Sensor Node Localization Based on Two-Way Time-of-Arrival Ranging with Imperfect Clocks
Wed, Aug 28, 2013 @ 02:00 PM - 03:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Erik Strom, Chalmers University of Technology
Talk Title: Sensor Node Localization Based on Two-Way Time-of-Arrival Ranging with Imperfect Clocks
Abstract: In this talk, we will discuss the positioning of sensors nodes based on two-way time-of-arrival (TW-TOA) measurements when the nodes have imperfect clocks. More precisely, the problem is to localize a single target node using distance measurements to a number of nodes at a priori known positions (anchor nodes). The target node clock is assumed to follow an affine relationship with the anchor node clocks. That is, the target node clock will, in general, run too quick or too slow and will be offset compared with the anchor node clocks. The clock rate is sometimes called clock skew and is ideally equal to one, indicating that the clock runs at the same rate as the global reference time. The anchor nodes are assumed to have perfect clock skews, but unknown and different offsets. The TW-TOA measurement process will remove the clock offsets, but the clock skew difference will affect the distance measurements and, therefore, also the position estimate, if not properly accounted for. We model the target node clock skew as a nuisance parameter and show that the resulting maximum likelihood (ML) estimator is difficult to compute. To find more tractable estimators, we apply a nonlinear pre-processing step to convert the ML problem into a linear least squares problem under a quadratic constraint. The latter problem is shown to be a special case of the so-called generalized trust region problem, which we can solve exactly under mild conditions. We develop two suboptimal positioning methods and compare the performance and complexity with the ML estimator and the Cramer-Rao bound. The developed methods are numerically shown to offer good performance, but with less complexity (and accuracy) compared with the ML estimator.
This presented research is joint work with Mohammad Gholami, Chalmers University, and Sinan Gezici, Bilkent University.
Biography: Erik G. Strom (https://sites.google.com/site/erikgstrom/) received the M.S. degree from the Royal Institute of Technology (KTH), Stockholm, Sweden, in 1990, and the Ph.D. degree from the University of Florida, Gainesville, in 1994, both in electrical engineering. He accepted a postdoctoral position at the Department of Signals, Sensors, and Systems at KTH in 1995. In February 1996, he was appointed Assistant Professor at KTH, and in June 1996 he joined Chalmers University of Technology, Gothenburg, Sweden, where he is now a Professor in Communication Systems since June 2003. Dr. Strom currently heads the Division for Communications Systems, Information Theory, and Antennas at the Department of Signals and Systems at Chalmers and leads the competence area Sensors and Communications at the traffic safety center SAFER, which is hosted by Chalmers. His research interests include signal processing and communication theory in general, and constellation labelings, channel estimation, synchronization, multiple access, medium access, multiuser detection, wireless positioning, and vehicular communications in particular. Since 1990, he has acted as a consultant for the Educational Group for Individual Development, Stockholm, Sweden. He is a contributing author and associate editor for Roy. Admiralty Publishers FesGas-series, and was a co-guest editor for the Proceedings of the IEEE special issue on Vehicular Communications (2011) and the IEEE Journal on Selected Areas in Communications special issues on Signal Synchronization in Digital Transmission Systems (2001) and on Multiuser Detection for Advanced Communication Systems and Networks (2008). Dr. Strom was a member of the board of the IEEE VT/COM Swedish Chapter 2000--2006. He received the Chalmers Pedagogical Prize in 1998 and the Chalmers Ph.D. Supervisor of the Year award in 2009.
Host: Urbashi Mitra, ubli@usc.edu, EEB 536, x04667
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Gerrielyn Ramos
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ASBME Welcome Back General Meeting
Wed, Aug 28, 2013 @ 07:00 PM - 08:00 PM
Viterbi School of Engineering Student Organizations
Student Activity
Welcome all Biomedical Engineering students to a new school year! We are ASBME and we're here to help you! Attend one of our two welcome meetings to learn all about ASBME, BMEStart, ASBMEntoring and BME at USC! Come to find out about our awesome calendar of events, how to become a member, how to apply for our Freshman Representative position, and just what ASBME can do for you! We welcome all new and returning students to attend and connect with each other to build the best Biomedical Engineering community around! And, yes, there will be food!
Location: TBD
Audiences: Everyone Is Invited
Contact: Associated Students of Biomedical Engineering
