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Events for December 10, 2007
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Meet USC (AM session)
Mon, Dec 10, 2007 @ 09:00 AM - 12:00 PM
Viterbi School of Engineering Undergraduate Admission
Workshops & Infosessions
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. Please visit http://www.usc.edu/admission/undergraduate/visit/events/meet_usc/ to check availability and make an appointment. Be sure to list an Engineering major as your "intended major" on the webform!
Location: USC Admission Center
Audiences: Prospective Freshmen and Family Members - RESERVATIONS REQUIRED
Contact: Viterbi Admission
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VLSI Architecture Design for Algebraic Soft-decision
Mon, Dec 10, 2007 @ 11:00 AM - 12:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
SPEAKER: Professor Xinmiao Zhang, Case Western Reserve UniversityAbstract: Reed-Solomon (RS) codes are among the most extensively used error-correcting codes in digital communication and storage systems. Recently, significant advancements have been made on algebraic soft-decision decoding (ASD) of RS codes. By incorporating the reliability information from the channel into an algebraic interpolation process, substantial coding gain can be achieved by these algorithms with a complexity that is polynomial with respect to the codeword length.ASD algorithms have two major steps: the interpolation and the factorization. In this talk, we focus on the factorization step and present complexity-reducing schemes and efficient VLSI implementation architectures for this step. The factorization can be implemented by an iterative algorithm, which mainly consists of root computations over finite fields and polynomial updating. Traditionally, root computations over finite fields are implemented by exhaustive search, which leads to very long latency. Based on the observation that the root-order in the first iteration is usually close to the degree of the polynomial and it only changes with very small probability in later iterations, we proposed prediction-based root computation schemes. Employing the proposed schemes, the roots can be found by simple direct computations if the prediction is correct. Since the prediction failure rates are very low, our schemes can bring significant speedup to the root computation. The involved polynomial updating is straightforward. However, a large number of polynomial coefficients need to be updated. In order to increase the speed, we employed a root-order-dependent parallel processing approach. Furthermore, a novel coefficient storage and transfer scheme is proposed to resolve the data dependency caused by the parallel processing and minimize the memory requirement. Applying our proposed schemes to the factorization of a (255, 239) RS decoding, a speedup of 228% can be achieved, while the area requirement has been reduced to less than 1/3.Bio: Xinmiao Zhang received the B.S. and M.S. degrees in Electrical Engineering from Tianjin University, Tianjin, China, in 1997 and 2000, respectively. She received her Ph.D. degree in Electrical Engineering from the University of Minnesota-Twin Cities, in 2005. Since then, she has been with Case Western Reserve University, where she is currently a Timothy E. and Allison L. Schroeder Assistant Professor in the Department of Electrical Engineering and Computer Science. Her research interests include VLSI architecture design for communications, cryptography, and digital signal processing.Ms. Zhang is the recipient of the Best Paper Award at ACM Great Lake Symposium on VLSI (GLSVLSI) 2004. She also won the First Prize in Student Paper Contest at the Asilomar Conference on Signals, Systems and Computers 2004. She is the co-editor of the book "Wireless Security and Cryptography: Specifications and Implementations" (CRC Press, 2007) and the guest editor for Springer MONET Journal Special Issue on "Next Generation Hardware Architectures for Secure Mobile Computing". She has served on technical program committees of GLSVLSI and the reviewer committees of IEEE International Symposium on Circuits and Systems (ISCAS).Host: Prof. Keith Chugg, chugg@usc.edu
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Mayumi Thrasher
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Meet USC (PM session)
Mon, Dec 10, 2007 @ 01:00 PM - 04:00 PM
Viterbi School of Engineering Undergraduate Admission
Workshops & Infosessions
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. Please visit http://www.usc.edu/admission/undergraduate/visit/events/meet_usc/ to check availability and make an appointment. Be sure to list an Engineering major as your "intended major" on the webform!
Location: USC Admission Center
Audiences: Prospective Freshmen and Family Members - RESERVATIONS REQUIRED
Contact: Viterbi Admission
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Tutor Days
Mon, Dec 10, 2007 @ 02:00 PM - 05:00 PM
Viterbi School of Engineering Student Affairs
Student Activity
Tutor Days are study sessions hold on stop days in the RTH Classrooms! Come and study with your peers, classmates and upper division study partners. There will be care packages for all participants!Monday:
AME 101, 201; BISC 120; BME 101, CE 205, MATH 125, 126, 226Tuesday:
CHEM 105a; CSCI 101, 102; ISE 220, PHYS 151, 152No RSVP Necessary! Feel free to email viterbi.varc@usc.edu with any questions!Location: Ronald Tutor Hall of Engineering (RTH) - Classrooms
Audiences: Undergraduate Students
Contact: VARC, CED & WIE
