“In order to improve the mind, we ought less to learn, than to contemplate.” -Rene Descartes
California State University, Northridge
College of Engineering and Computer Science
Department of Electrical and Computer Engineering
Phone : (+1) 818-677-7002
Email : smirzaei[at]csun[dot]edu
Summer 2018 Office Hours : MW, 8:00 AM‐9:00 AM, or by appointment
Address : Jacaranda Hall, Room JD3341
18111 Nordhoff Street
Northridge, CA 91330, USA
Dr. Shahnam Mirzaei is an assistant professor in the Department of Electrical and Computer Engineering at the California
State University, Northridge. He has received his Ph.D. from University of California, Santa Barbara (UCSB) in the
area of Electrical and Computer Engineering at 2010, His M.Sc. from California State University, Northridge, and
his B.Sc. from University of Tehran. Dr. Mirzaei has worked as an application engineer for six years
from 2000 to 2005 with focus on problem solving and resolving design issues with regards to Xilinx FPGAs and SoCs. After
receiving his Ph.D., he has worked as an R&D engineer in the area of signal processing for three years from 2010 to 2013.
Dr. Mirzaei started his academic job as an assistant professor at California State University, Northridge at 2013. His research interests fall into the realm of reconfigurable hardware, signal and image processing, and embedded systems. In recent years, he has focused on developing techniques for hardware acceleration of software algorithms and implementing signal processing applications on reconfigurable hardware. Dr. Mirzaei has been the recipient of Electrical and Computer Engineering Department Fellowship Award in Spring 2010 from University of California, Santa Barbara, Radar Systems Spot Award Achievement Certificate in recognition of superior individual effort for developing signal processing algorithms, in February 2011 from Exelis (currently known as Harris Corp.), Inc. and 59th Annual National Engineers Outstanding Engineering Achievement Merit Award in Universal City, California in February 2014. He has collaborated actively with researchers in several other disciplines of, particularly computer architecture, reconfigurable hardware, and signal and image processing. He has been a member of Technical Program Committee for International Conference on ReConFigurable Computing and FPGAs in 2013 and IEEE Journal of Transactions on VLSI Systems in 2016.
My research involves design methodologies and architectures for digital signal processing, computer arithmetic, image processing techniques, embedded systems, and application specific processors. This includes implementing efficient techniques and algorithms to implement DSP functions on reconfigurable hardware, implementing complex logic functions, arithmetic operations, image processing algorithms, etc. for reconfigurable hardware. Much of my work focuses on reconfigurable SoC in which software/hardware co-design is necessary. I have used Xilinx SoCs and FPGAs as a hardware platform. The nature of my diverse experience and interests has led me to integrate all the techniques and use the available EDA tools to convert functions to FPGA and SoC friendly architectures.
My research interests consist of five interrelated tracks: the engineering of reconfigurable hardware as a common platform for DSP functions and systems, computer arithmetic, design for low power, embedded systems, and design optimization. These paths share much in terms, but I tend to identify individual projects as belonging exclusively to one path or the other. In the following I’ll try to elaborate on my research interests individually.
The bulk of my research so far has focused either efficient implementation of DSP systems mostly used in image processing and communication systems. Factors such as power consumption, silicon area, or performance are of concern when it comes to the implementation of these algorithms on reconfigurable hardware. While these are central and important problems, there are many other ways in which DSP systems can be implemented efficiently. I am particularly interested in image processing techniques as they need tremendous amount of parallelism (that FPGAs offer). Most of the existing systems use DSP processors which does not offer enough bandwidth and performance that is needed. Incorporation of such knowledge into existing systems could be sometimes difficult since they need to interface with software applications. Modern FPGAs/SoCs offer software/hardware codesign flows by leveraging embedded processors (either as a soft core or hard core macros). Trade-offs must be made between representations of such systems which facilitate the understanding of several aspects of different implementations. I believe that much can be gained by focusing on this research topic.
High Level Synthesis tools allow designers to program hardware with languages like C/ C++. In this case, I implement several ideas using high level system languages and try to leverage high level synthesis (HLS) tools to create netlists. Of course, HLS tools are not perfect and the parallelism element embedded in hardware is an important factor. By tweaking the code, I try to come up with the most efficient hardware for specific platforms. Major part of this research track is dedicated to hardware acceleration of software algorithms.
The field of control systems has changed dramatically in the past years. The advent of low cost microcontrollers has enabled control algorithms to be embedded in almost every conceivable technology. The development of sophisticated computer aided design software has enabled analysis and controller design for complex multivariable systems. Numerous new applications for control have emerged, including such areas as biomedical systems, robotics, production lines, and artificial intelligence. I intend to promote this field as an extension to my previous research area to develop new state of the art hardware and control system to make more efficient platforms.
Most of the arithmetic calculations on reconfigurable hardware use fixed point operations. I am interested in modifications to such systems to allow for efficient calculations based on floating point operations. Also computationally intensive applications are cumbersome on hardwares and therefore I am very interested in coming up with alternative methods to do such operations more efficiently on hardware platform. This is especially important in communication systems since they involve plenty of matrix operations.
Power consumption in today’s systems is very critical. Systems that are power aware are only beginning to be understood as more applications move toward being implemented on battery operated device. I am interested in architectures for low power consumption and methodologies that reduce the power consumptions of existing architectures while maintain high performance.
The Methodologies and Architectures for Reconfigurable SoCs (MARS) research group was established in 2015 by Dr. Shahnam Mirzaei after he joined CSUN. MARS research group utilizes the State-of-the-Art EDA/ASIC design tools including Application Specific Integrated Circuits (ASICs) and Field Programmable Logic Devices (FPGAs) tools. The EDA/ASIC laboratory; first established by Dr. Ramin Roosta; housed in the Electrical and Computer Engineering Department; supports upper division undergraduate as well as graduate course work and provides graduate students with meaningful research opportunities in digital system design. MARS research work is focused on embedded systems, signal processing, and hardware acceleration of software algorithms on reconfigurable hardware. A major focus is the study and development of ASICs, FPGAs, and SoCs that are optimized for such applications. Work is in progress in the following areas:
The goal of the MARS research group is to promote the use of FPGAs, ASICs, and SoCs by defining, developing and sharing information, technologies and best practices using cutting edge technology design tools. This is realized by following objectives:
Active Members of MARS Research Group:
Links to Students' Projects:
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