Laleh Behjat

Professor

Department of Electrical and Computer Engineering

BSc (Eng)

Tehran University, 1996

PhD

University of Waterloo, 2002

Contact information

Phone

Office: 403.220.8967

Location

Energy, Environment, Experiential Learning Building: EEEL445A

Preferred method of communication

Please contact me by email.


Research

Research areas

  • Electronic design automation (EDA)
  • Physical design of integrated circuits
  • Large-scale optimization for EDA
  • Engineering education

Research activities

Research theme 1: Development of EDA tools for computer-aided design (CAD) of IC. The main thrust of this theme is to develop innovative and creative EDA methodologies that can significantly improve the performance, cost and reliability of IC. Multidisciplinary techniques such as optimization, mathematical modeling, estimation, computational geometry, data mining, parallel programming, and artificial intelligence are used along with the traditional EDA methodologies to develop creative, interdisciplinary and transformative solutions. The research activities builds on my group’s award-winning work in EDA to push the boundaries of what is possible in circuit placement and physical design. 

Research theme 2: Application of EDA to other fields in engineering. In this theme, algorithms used for optimizing the power in circuits are adapted for optimizing the power used in communication systems. This theme is aimed at diversifying the research and fostering research innovation and excellence through collaborations.

Research theme 3: Engineering education. This research theme deals with development of techniques for engineering education. This research involves Development of techniques to teach innovation, design thinking, game-based learning, and development of assessment methods. 


Biography

Dr. Laleh Behjat is a Professor in the department of Electrical and Computer Engineering, Schulich School of Engineering, University of Calgary. She joined the University of Calgary in 2002. Dr. Behjat’s research focus is on developing EDA techniques for physical design and application of large-scale optimization in EDA. Her research team has won several awards including 1st and 2nd places in ISPD 2014 and ISPD 2015 High Performance Routability Driven Placement Contests and 3rd place in DAC Design Perspective Challenge in 2015. She is an Associate Editor of the IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems and Optimization in Engineering from Springer. Dr. Behjat has been developing new and innovative methods to teach Computer Science and EDA to students. She acted as an academic advisor for of Google Technical Development Guide and has won several awards for her efforts in education including 2017 Killam Graduate Student Supervision and Mentorship Award. Her team, Schulich Engineering Outreach Team, was also the recipient of the ASTech Leadership Excellence in Science and Technology Public Awareness Award in 2017. Her other interests include raising awareness about issues related to diversity and inclusion and promoting diversity in engineering. She received the Women in Engineering and Geoscience Award from APEGA in 2015 in recognition of her work in this area.


Publications

i. Peer Reviewed Journal Publications* 

1. S. Ghandehari Shandiz, G. Doluweera, W. D. Rosehart, L. Behjat, J. A. Bergerson, “Investigation of Different Methods to Generate Power Transmission Line Routes Electric Power Systems Research”, Electric Power Systems Research, Elsevier Publication, Accepted, August 2018

2. S. Shahhosseini, E. Zailer, L. Behjat, L. Belostotski, “Methods for Generating Unique Elementary Circuit Topologies”, Canadian Journal of Electrical and Computer Engineering, Volume 41, issue 3, pp. 118-132, July 2018

3. S. Hladik, L. Behjat, A. Nygren, “Cross-curricular Activities to Foster Computational Thinking and Engineering Design”, Early Childhood Education, Volume 45, Number 1, pp. 13 – 19, August 2018

4. N. Karimpour, I. Bustany, A. Kennings, D. Westwick, L. Behjat, “Eh?Legalizer: A High-Performance Standard-Cell Legalizer Observing Technology Constraints”, ACM Transactions on Design Automation of Electronic Systems, Volume 23, Issue 4, Article number 43, July 2018.

5. P. Bagheri, L. Behjat, Q. Sun, “An Adaptive Robust Approach to Modeling and Control of Flexible Arm Robots”, World Journal of Engineering and Technology, Volume 6, Issue 2, pp. 282 - 295, May 2018 

6. A. Abdelhafiz, L. Behjat, F. Ghannouchi, "Generalized Memory Polynomial Model Dimension Selection Using Particle Swarm Optimization", IEEE Microwave and Wireless Component Letters, Volume 28, Issue 2, pp. 96 – 98, Feb 2018

7. E. Marasco, W. Gatti Jr., B. Kim, L. Behjat, M. Eggermont, “Curious Conversations: Using Game-Based Learning to Develop Creative Culture Within Technical Courses”, Papers on Postsecondary Learning and Teaching, Volume 2, pp. 57 – 63, November 2017.

8. A. Farshidi, L. Rakai, L. Behjat, D. Westwick, "A Multi-Objective Co-Optimization of Buffer and Wire Sizes in High Performance Clock Trees", in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 64, no. 4, pp. 412-416, April 2017.

9. A. Fakheri Tabrizi, L. Behjat, W. Swartz, L. Rakai, “A Fast Force-Directed Simulated Annealing for 3D IC Partitioning”. Integration, A VLSI Journal by Elsvier, Volume 55, pp. 202 – 211, September 2016

10. N. Karimpour Darav, A. Kennings, A. Fakheri Tabrizi, D. Westwick D, L. Behjat. “Eh?Placer: A High Performance Modern Technology-Driven Placer”. ACM Transactions on Design Automation of Electronic Systems. Volume 21, no. 3, pp. 37:1 – 37:27, July 2016

11. A. Farshidi, L. Rakai, D. Westwick, L. Behjat, “Considering Process Variation During Multi-Objective Optimization with Applications in Clock Networks”. Optimization and Engineering by Springer. Volume 17, Issue 2, pp. 473 – 500, June 2016

12. A. Abdelhafiz, L. Behjat, F. Ghannouchi, M. Helaoui, O. Hammi. “An Enhanced Digital Pre-distorter for MIMO Systems with Nonlinear Crosstalk”. IEEE Transactions on Communications. Volume 64, NO 5, pp. 1996 – 2004, May 2016

13. A. Farshidi, L. Rakai, D. Westwick, L. Behjat, “Optimal Gate Sizing Using a Self-Tuning Multi-Objective Framework”, Integration, a VLSI Journal by Elsevier. Volume 47, Issue 3, pp. 347 – 355, June 2014

14. L. Rakai, A. Farshidi, D. Westwick, L. Behjat, “Variation Aware Geometric Programming Models for the Clock Network Buffer Sizing Problem”, IEEE Transactions in Computer-Aided Design. Volume 33, NO 4, pp. 532 – 545, April 2014

15. A. Farshidi, L. Rakai, B. Samimi, L. Behjat, D. Westwick, “A New A-Priori Length Estimation Technique for VLSI Circuits Using Radial Basis Functions”, Computers and Electrical Engineering. Volume 39, Issue 4, pp. 1204 -1218, January 2013

16. Y. Li, A. Farshidi, L. Behjat, W. Swartz, “High-Performance Post-Placement Length Estimation Techniques”, International Journal of Information and Computer Science. Volume 1, Issue 6, pp. 144-152, September 2012

17. L. Rakai, L. Behjat, “What is Robust Optimization”, Special Interest Group on Design Automation E-Newsletter (invited). Volume 42, NO. 8, August 2012

18. L. Rakai, A. Farshidi, L. Behjat, D. Westwick, “A New Length-Based Multigrid Clustering Algorithm”, Journal of VLSI Design. Volume 2012, Article No. 8, 14 pages, January 2012

19. L. Rakai, L. Behjat, S. Martin, J. Aguado, “An Algebraic Multigrid-Based Algorithm for Circuit Clustering”, Journal of Applied Mathematics and Computation, Elsevier. Volume 218, NO. 9, pp. 5202-5216, January 2012

20. A. Farshidi, L. Behjat, L. Rakai, B. Fathi, “A Pre-Placement Individual Net Length Estimation Model and One Application for Modern Circuits”, Integration, the VLSI Journal. Volume 44, NO 2, pp. 111-122, March 2011

21. R. Rakai, L. Behjat, S. Areibi, T. Terlaky, “Multi-level Congestion Based Global Router”, Journal of VLSI Design, Hindawi Publishing. Volume 2009, ID: 537341, 13 pages, September 2009

22. J. Huang, L. Behjat, L. Rakai, J.Li, “A Degree-Based Clustering Technique for VLSI Placement”, Journal of Algorithms and Computational Technology. Volume 3 NO 4, pp. 425-439, September 2009

23. J. Li, L. Behjat, A. Kennings, “Net Cluster: A Net Reduction Based Clustering Preprocessing Algorithm for Partitioning and Placement”, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems. Volume 26, NO. 4, pp. 669-679, April 2007

24. J. Li, L. Behjat, “A Connectivity Based Clustering Algorithm with Applications to VLSI Circuit Partitioning”, IEEE Transactions on Circuits and Systems II. Volume 53, NO. 5, pp. 384-388, 2006

25. L. Behjat, A. Vannelli, W. Rosehart, “Linear Programming Models for the Global Routing Problem”, INFORMS Journal on Computing. Volume 18, Issue 2, pp. 137 – 150, May 2006 

26. W. Rosehart, C. Roman, L. Behjat, “Interior Point Methods for Power System Stability Problems”, European Journal of Operational Research. Volume 171, Issue 3, pp. 1127-1138, June 2006

27. L. Behjat, D. Kucar, A. Vannelli, “A Novel Eigenvector Technique for Large Scale Combinatorial Problems in VLSI Layout”, Journal of Combinatorial Optimization. Volume 6, NO. 3, pp. 271-286, September 2002


Awards

1. AWSN Minerva Mentoring Award, 2018

Alberta Women’s Science Network
 

2. Research Achievement Award for NSERC Create, 2018

Schulich School of Engineering, University of Calgary

Team members: Lina Kattan, Patrick Hettiaratchi, Laleh Behjat, Henry Leung, Chan Wirasinghe, Getachew Assefa, Kasun Hewagem David Lazell, Zhongchao Tan, Caterina Valeo, Jashua Taron
 

3. University of Calgary Teaching Award, Team Teaching, 2018

University of Calgary, 

Team members: Laleh Behjat, Elise Fear, Milana Trifkovic
 

4. ASTech Leadership Excellence in Science and Technology Promotion, winner, 2017

Leader of the Schulich School of Engineering Outreach Team

Alberta Science and Technology Association
 

5. Izaak Walton Killam Award for Graduate Supervision and Mentoring Laureate, 2017

Killam Awards Trust
 

6. ACM Recognition of Service Award, 2017

American Computing Machinery
 

7. Schulich School of Engineering Research Achievement Award, 2017 

Schulich School of Engineering, University of Calgary
 

8. Calgary Distinguished Immigrant in Science, Technology, Engineering and Mathematics, Finalist, 2017

Calgary Immigrant Society
 

9. Schulich School of Engineering Graduate Educator Award, 2015 

Schulich School of Engineering, University of Calgary

 

10. University of Calgary Great Supervisor Award, 2015

Faculty of Graduate Studies, University of Calgary

 

11. Design Automation Perspective Challenge – 3rd place winner, 2015 

Institute of Electrical and Electronics Engineers - Council on Electronic Design Automation- IEEE-CEDA
 

12. Women in Engineering Champion Summit Award, 2015

Association of Professional Engineers and Geoscientists of Alberta (APEGA)
 

13. Blockage Aware Detailed Routing-Driven Placement Contest 

– 2nd place winner, 2015

American Computing Machinery International Symposium on Physical Design (ACM-ISPD) Annual Contest

 

14. Service Award, 2014

American Computing Machinery Special Interest Group on Design Automation (ACM SIGDA) 

 

15. IEEE Canada Women in Engineering Appreciation Award, 2014 

Institute of Electrical and Electronics of Engineering (IEEE)

 

16. Detailed Routing Driven Placement Contest – 1st place winner, 2014

American Computing Machinery - International Symposium on Physical Design (ACM - ISPD) Annual Contest