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Old 10.11.2006, 07:30   #1
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Lightbulb Information Acquisition, Processing and Transmission Systems

Information Acquisition, Processing and Transmission Systems:
What is Available Now and
What May Become Available in Future
by
Gagik Mkrtchyan

Abstract of Presentation
In this seminar are discussed information acquisition, processing, transmission systems and their development trends. Current data acquisition systems can provide whole spectrum of the practically required solutions. Processing speed of available state of art distributed supercomputers can reach to the multiple TFlops, which is quite high, but probably will never be enough for computer simulations and realistic models construction. Due to the distributed structure of high speed data processing systems the communication between their modules can become the bottleneck and will create the strict processing speed limit. Optical fiber based data networks could solve the communication problems by means of the DWDM with up to the 1-1.5Tbps data rate, but in case of the optical networks limitations come from the access control and add/drop multiplexing elements speed. Wireless systems distribute the medium access control and allow users mobility. The two main problems of wireless systems are multi-path propagation and the time varying nature of channels. Multi-path fading and time-varying channel problems can be solved by means of the pre-equalization, which requires the prediction of the channel response. Neural networks can be employed for learning of stationary time varying channels, but they are not applicable in the general case due to the limited training data. As the reasonable solution of the problem can serve evolutionary and genetic algorithms, which are optimal search techniques in multidimensional space and are based on the principles of natural evolution.

About the Speaker

Gagik Mkrtchyan received the Ph.D degree in Electrical and Electronics Engineering, Mie University, 2003-2006 and MSc. in Electrical and Electronics Engineering, University of Regina, 1999-2001. He worked as Senior engineer, STC Company 2001-2003, Project technical leader, GRG Company 1997-1999 and Design engineer, BA Company 1995-1997.

His research interests include: statistical signal processing, parameter estimation and prediction theory, computer network design, network security and cryptographic algorithms, software defined information acquisition, processing and transmission systems, evolutionary and genetic algorithms, decentralized control and decision theory.

Date:
Friday, November 10, 2006
Time:
15:00-16:00

Place:
Small Auditorium, 5th floor AUA

The seminar is open to the public!
__________________
Мадмазель, Медам, Месье! "Глория" меняет курс и направляется в Кейптаун! Кому это не нравится будет расстрелян на месте. (с)

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