DIMITRIS METAFAS

Assistant Professor AIT

BUSINESS ADDRESS

PERSONAL INFORMATION

EDUCATION

• Sep. 1987 - Feb. 1993, Ph.D. in Electrical Engineering, University of Patras, Greece. Ph. D. Dissertation: "Design of DSP processors with extended arithmetic instruction set"
• Sep. 1982 - Jun. 1987, Diploma in Electrical Engineering, University of Patras, Greece.

AWARDS

1982-1987: Academic honours and financial awards by the Greek Foundation of Scholarships

PROFESSIONAL EXPERIENCE

• Apr. 2003 - now: Group leader-Embedded systems, in INTRACOM. S.A. Multi-service Networks Strategic Business Unit, Content Delivery Systems Department.
• Apr. 2001 - Mar. 2003: Area leader of Real-Time Software Area in the INTRACOM S.A., Development Programmes Department. Technical manager of the Wireless LAN Hiperlan/2 and 802.11a SoC hardware/software co-design phase and real-time software development. Workpackage leader for Real-Time SW development in ESPRIT 30093 "EASY" project.
• Jan. 1995 - Mar. 2001: Microelectronics and Embedded Systems Software Project Coordinator, INTRACOM S.A., Development Programmes Department, Peania, Attika, Greece. Technical Manager of the GSRT-Greece project EKBAN-476 "Industrial products of VLSI technology - Sub-SDH with 15 GHz microwave link", Technical Manager for the Software development of the ESPRIT 20287 "ASPIS" project - Development of a GSM/DECT baseband processor, Technical Manager of the ESPRIT 27874 "OMEN" and ESPRIT 29251 "ARMOR" projects - RTOS optimized for mobile communications.
• Sep. 1987 - Feb. 1993: Researcher in VLSI Design Lab., University of Patras. Dpt. of Electrical Engineering. Participation in a number of research projects.

His expertise is in the areas of Embedded Systems, Embedded Real-Time software, Hardware / Software co-design, System on Chip (SoC) application-specific processors development, Wireless systems implementation (GSM, DECT, Hiperlan/2, 802.11a), Content Delivery Systems.

TEACHING EXPERIENCE

FULL COURSES

• Fall 2003 and Fall 2002: Co-Instructor (with R. Rajkumar, P. Narashimhan, H. Carathanasis), "AIT-1c - Introduction to Embedded Systems" (graduate-level course), Athens Information Technology, 19002 Peania, Attika, Greece.
• Sep. 1990 - Sep. 1992: Teaching Assistant on "VLSI design" and "Advanced VLSI design" graduate-level courses, University of Patras, Dpt. of Electrical Engineering.

SHORT COURSES

• April 2003: Co-Instructor (with H. Carathanasis),"Introduction to Embedded Systems", part of a Short Course on Advanced Circuits and Systems for Telecom and Multimedia Applications, organized in the framework of the EU/IST-ANTITESYS Project.
• June 1991: Co-instructor (with C. Goutis, P. Danielsen, B. Nissen) "Introduction to VLSI Design - Semicustom Design" short course, organized in the framework of ESPRIT Project 5692, HVLSI-DPE.

STUDENTS

Ph. D.
C. Drosos on "Object-oriented hardware/software co-design methodologies for wireless embedded systems".

Diploma thesis
Supervisor in more than 10 thesis in the University of Patras, Dpt. of Electrical Engineering.

PUBLICATIONS

International Journals:

J1. O. Koufopavlou, D. E. Metafas, and C. E. Goutis "Architectures and VLSI module generator for expressing digital signals in decibels," International Journal of Electronics, Vol. 71, No. 2, pp. 297-307, 1991.

J2. D. E. Metafas and C. E. Goutis "A DSP processor with a powerful set of elementary arithmetic operations based on CORDIC and CCM algorithms," Journal of Microprocessing and Microprogramming, No. 30, pp. 51-58, 1990.

J3. D. E. Metafas, S. S. Nikolaidis, and C. E. Goutis "Real-time Cepstrum computation based on an advanced CORDIC processor", Journal of Microprocessing and Microprogramming.

J4. D. E. Metafas and C. E. Goutis "A floating-point advanced CORDIC processor," Journal of VLSI and Signal Processing (Elsevier), 10 (1995), pp. 53-65, 1995.

J5. D. E. Metafas, E. Mariatos, S. S. Nikolaidis, and C. E. Goutis "Implementation of Given's Rotation processors for DSP real-time applications," Journal of Microprocessing and Microprogramming.

J6. S. L. Horianopoulos, D. E. Metafas, C. E. Goutis, and T. Deliyannis "A VLSI Synthesis Tool for complementary output delta modulation FIR filters," Journal of Microprocessing and Microprogramming, No. 34, pp. 139-142, 1992.

J7. G. P. Economou, S. S. Nikolaidis, D. E. Metafas, and C. E. Goutis "Development of a Technology Independent Library for ASIC design," Journal of Microprocessing and Microprogramming.

J8. L. Bisdounis, D. E. Metafas, A. M. Maras, C. Mavridis "VLSI Implementation of Digit-Serial Arithmetic Modules," Journal of Microprocessing and Microprogramming, No. 39, pp. 251-254, 1993.

J9. H. C. Karathanasis, C. N. Dre, D. E. Metafas and S. V. Blionas "Designing a DSP for DECT and GSM/DCS1800 baseband processing," Real Time magazine, 96/3, pp. 22-31, 1996.

J10. H. C. Karathanasis, C. N. Dre, D. E. Metafas and S. V. Blionas "On the design of a Baseband Processor for DECT and GSM/DCS1800 ," Embedded Microprocessor Systems (Book), IOS Press, 1996.

J11. C. Drosos, M. Zayadine and D. Metafas, "Embedded real-time communication protocol development using SDL for ARM microprocessor," Dedicated Systems Magazine, Jan. 2001.

J12. S. Blionas, K. Masselos, C. Dre, C. Drosos, F. Ieromnimon, D. Metafas, T. Pagonis, A. Pneymatikakis, A. Tatsaki, T. Trimis, A. Vontzalidis "Prototyping of a 5 GHz WLAN Reconfigurable System-on-Chip," IEICE Trans. Inf. & Syst., Vol.E86-D, No. 5 May 2003, pp. 901-909

J13. L. Bisdounis, C. Dre, S. Blionas, D. Metafas, A. Tatsaki, F. Ieromnimon, E. Macii, Ph. Rouser, R. Zafalon and L. Benini, "Low-Power system-on-chip architecture for Wireless LANs," IEE Proc. Computers and Digital Techniques, vol. 151, no. 1, pp. 2-15, Jan. 2004.

J14. C. Drosos, D. Metafas, S. Blionas, and G. Papadopoulos, "Rapid prototyping of a wireless LAN implementation using a UML-based system design methodology," accepted for publication in IEICE Trans. Inf. & Syst. (2004)

J15. C. Drosos, L. Bisdounis, D. Metafas, S. Blionas, A. Tatsaki, G. Papadopoulos, "Hardware-software design and validation framework for wireless LAN modems", IEE Proceedings Computers and Digital Techniques, vol. 151, no. 3, pp. 173-182, May 2004.

J16. C. Drosos, C. Dre, D. Metafas, D. Soudris, S. Blionas, "The low power analogue and digital baseband processing parts of a novel multimode DECT/GSM/DCS1800 terminal", Microelectronics Journal (Elsevier), Vol. 35, Issue 7, pp. 609-620, July 2004.

International Conferences:

C1. D. E. Metafas and C. E. Goutis "A floating point pipeline CORDIC processor with extended operation set," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS) 1991, pp. 3066-3069, 1991.

C2. D. E. Metafas, G. Krikis, and C. E. Goutis "VLSI design of an 8-bit fixed-point CORDIC processor with extended operation set," Proc. of EUROASIC Conference 1991, pp. 158-161, 1991.

C3. D. Soudris, M. Birbas, O. Koufopavlou, D. Metafas, S. Nikolaidis, C. Goutis, and S. Theodoridis "All-digital spectrum analyser based on a parallel algorithm," Proc. MELECON Conference 1991, pp. 408-411, 1991.

C4. S. L. Horianopoulos, D. E. Metafas, C. E. Goutis, and T. Deliyannis "A Delta modulation FIR filter High Level Synthesis Tool," Proc. of Fourth ISMM International Conference on Parallel and Distributed Computing and Systems (PDCS) 1991, pp. 95-99, 1991.

C5. S. S. Nikolaidis, D. E. Metafas, and C. E. Goutis "CORDIC based pipeline architecture of all-pass filters," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS), 1993.

C6. E. P. Mariatos, D. E. Metafas, J. A. Hallas and C. E. Goutis "A fast DCT processor based on special purpose CORDIC rotators," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS) 1994, pp. 271-274, 1994.

C7. D. E. Metafas, H. C. Karathanasis and S. V. Blionas "Industrial approach in design methodologies for mobile communications systems," Proceedings 7th IEEE Int. Workshop on Rapid System Prototyping, pp. 122-126, 1996.

C8. F. Ieromnimon, C. Dre, D. Metafas, C. Drosos, V. Koratzinos, A. Alexopoulou, S. Blionas, "On the Integration of Diverse Testing Strategies in a Low-Power Processor," Design, Automation and Test in Europe Conference 2000, (DATE 2000), Paris, France, March 2000.

C9. C. Drosos, M. Zayadine and D. Metafas, "Real-Time Communication Protocol Development Using SDL for an Embedded System On Chip Based on ARM Microcontroller," 13th Euromicro Conference on Real-Time Systems, Delft, Netherlands, June 2001.

C10. C. Drosos, C. Dre, D. Metafas, D. Soudris and S. Blionas, "The Low Power Baseband Processing Parts of a Novel Dual Mode Dect/Gsm Terminal," 8th IEEE International Conference on Electronics, Circuits and Systems (ICECS 2001), Malta, September 2001.

C11. S. Blionas, K. Masselos, C. Dre, C. Drosos, F. Ieromnimon, T. Pagonis, A. Pneymatikakis, A. Tatsaki, T.Trimis, A. Vontzalidis and D. Metafas "A HIPERLAN/2 - IEEE 802.11a Reconfigurable System-on-Chip," 2002 International Conference on Field Programmable Logic and Applications, (Montpellier, France), Lecture Notes on Computer Science 2438,Springer-Verlag, Berlin Heidelberg, pp. 1080-1083, September 2002.

C12. S. Blionas, K. Masselos, C. Dre, F. Ieromnimon, T. Pagonis, A. Pneymatikakis, A. Tatsaki, T.Trimis, A. Vontzalidis and D. Metafas, "Design Story: A Hiperlan2/IEEE802.11x Reconfigurable SoC for indoor WLANs and outdoor wireless links. A pilot project for the future generation configurable wireless communications products," Workshop on Heterogeneous Reconfigurable Systems on Chip, Chances, Application, Trends, April 2002.

C13. C. Drosos, D. Metafas and G. Papadopoulos, "A UML-Based Methodology for the System Design of a Wireless LAN Prototype," 7th IEEE International Symposium on Object-oriented Real-time distributed Computing (ISORC 2004), pp. 45-51, May 2004.