Personal
Name: Abdulaziz Salem Al-Ruwais
Occupation: Professor, Electrical Engineering Department
Date of Birth: March 1953
Nationality: Saudi
Contact information: asruwais@ksu.edu.sa
4670109 (office) 4550888(home) 0505415096 (GSM)
Degrees Held
Ph.D. in Electrical Engineering Ohio State University, Columbus, Ohio, USA, 1982
M.Sc. in Electrical Engineering University of Colorado, Bolder, Colorado, USA, 1977
B.Sc. in Electrical Engineering King Saud University, Riyadh, Saudi Arabia 1974
Current Interests
Communication, radar and laser systems
New trends in mobile communications
Information security
Technology transfer
Electromagnetic radiation measurements and effects
Administrative Positions
May 2006-Present Vice Rector, King Saud university (KSU).
Feb 93- April 1999 Dean, College of Engineering, King Saud University.
1990-1993 Director, College of Engineering Research center, KSU.
Academic positions
Since 2002
Professor of Electrical Engineering,
King Saud University (KSU), Riyadh Saudi Arabia
1987- 2002 Associate Professor of Electrical Engineering, KSU
1978- 83 Assistant Professor of Electrical Engineering, KSU
1982- 83 Assistant Professor of Electrical Engineering, King Abdulaziz University
1975-1982 Teaching Assistant, Electrical Engineering, King Abdulaziz University
Membership of Scientific Societies
The Institute of Electrical & Electronic Engineers (IEEE)
IEEE Communication Society
IEEE Aerospace and Electronic System Society
Professional activities
2007-Present President of The Saudi Telecommunication Society.
2006-2007 Part-time Consultant to the Communication and Information Technology Commission (CITC).
2000-Present Part-time Consultant to ALJAWAL unit, Saudi Telcom. Company (STC).
1989-2004 Part-time Advisor to the Signal Corp., Ministry of Defence and Aviation, providing technical advising to the Signal Corp. in the fields of Electronic Warfare and Communications
1996-2000 Member of the advisory committee of KACST for Research Planning and Funding, King Abdulaziz City for Science and Technology (KACST)
1995-2000 Member of the committee for "Secure Information Systems", KACST
1995-199 Member of the Chamber of Commerce Consulting Committee, Ministry of Commerce
1990-1991 Part-time Consultant to the Advanced Electronics Company.
1983-1989 Part-time Advisor to the Royal Saudi Air-force. Activities include technical advising to Electronic Warfare Section, RSAF C3 Section and Analysis and Research Section. Writing several reports about Military Communication and Radar Systems
Supervising the preparation of Satellite Communications Requirements of Armed Forces to the National Committee of Tele-communications
1989 Member of the Technical Committee of KACST formed to prepare the feasibility study of the advanced space company proposed to the offset program.
1988 Member of GCC Committee for the Evaluation of Tropo-scatter Communications Project.1983-1985 Part-time consultant to the Saudi Alamoudi Group.
Current Funded Research Projects
Field Measurements for Radiation Levels at KSA (CITC Funded Research Project , 1 million SAR) ,2007
Assessment of Capacity and Performance Enhancement using Frequency Hopping on STC GSM Network (KSU, National Research Project, 490,000 RS) 2005.
Recent M. Sc. Thesis Supervised
Spectrum Requirements Estimation for Third Generation Mobile Services in Saudi Arabia, King Saud University, June 2003
Effect of Hopping Rate on The Performance of Tactical FH MPSK Communication Systems, King Saud University, June 2003.
Books
Translated to Arabic "Modern Digital and Analog Communication Systems - B.P. Lathi" (jointly with I.A. Al-Kadi and Adel A. Ali), 1989.
PUBLICATIONS
A.S. Al-Ruwais, and Abobakr Sultan, “Elevation Angle Variation of LEO Satellites over K.S.A submitted for publication, in the European Transaction on Telecommunications, 2006.
A.S. Al-Ruwais, and Abobakr Sultan, “Combined Effects of Atmospheric propagastion on link Availability of Non-Geostationary Satellite at Ka-Band in Arid climate”, Arab Gulf Journal of scientific research,vol.23.2.pp.57-61. June,2005.
A.S. Al-Ruwais, and Abobakr Sultan, “Propagation Effect on Mobile Satellite Communications at the Ka-band for Land Personal Communication systems (PCN) Application in the Kingdom of Saudi Arabia”, Final research report No. E13/26, College of Engineering Research Center, King Saud University Feb. 2005.
4. A.S. Al-Ruwais, “Teletraffic Capacity of CDMA Cellular Mobile Networks with Adaptive Antennas”, The International Journal of Network Management, Vol.12, lssue4, July/Aug.2002, pp. 203-211
5. A.S. Al-Ruwais,"The Influence of Rain on Satellite Link Availability at ku- and ka-Bands in Saudi Arabia", SPACE COMMUNICATIONS an International Journal, ios Press, Vol.15, No.3, 1999.
6. A.S. Al-Ruwais, “Measurements of RF Radiation Near MW and SW Radio Broadcast Stations” The IEEE Trans. On Broadcasting, Vol.1.44, Number 4, December, 1998.
7. A.S. Al-Ruwais, “Electromagnetic Fields Measurements near Microcellular Base Stations”, The Journal of Engineering Sciences, King Abdulaziz University, vol.13, No. 1, 2001 Jeddah, Saudi Arabia.
8. A.S. Al-Ruwais, “Measurements of RF Radiation near FM and TV broadcast stations”, The Journal of Scientific Research, Science and Technology, Sultan Qaboos University, 6 (2001) 45-51 Muscat, Sultanate of Oman.
9. S.A. Alshebeili, A.M. Al-Qurainy and A.S. Al-Ruwais, “Nonlinear approaches for narrowband interference suppression in DS spread spectrum systems”, Signal Processing, 77(1999)11-20, Elsevier Science Publishers B.V., Amsterdam, The Netherlands.
10. S.A. Alshebeili, A.M. Al-Qurainy and A.S. Al-Ruwais, "Subspace-based approaches for narrowband intereference suppression in DS spread spectrum systems”, Journal of The Franklin Institute, Elsevier Science Publishers B.V., 336(1999)1199-1207.
11. A.S. Al-Ruwais, A.I. Al-Obaid and S.A. Alshebeili, "Suppression of Narrow-band Interference in CDMA Cellular Radio Telephone Using Higher-Order Statistics, The Arabian Journal for Science and Engineering, Vol.24, No.2C, Dec. 1999, KFUPM, Dhahran, Saudi Arabia.
12. A.A. Ali, A.S. Al-Ruwais and Z.T. Al-Otaiby, "Optimum Diversity and Coding for Frequency-Hopped Multiple Access Spread-Spectrum Communication Over Raleigh Faded Channel Subject to Pulse Burst Jamming", Space Communications, an International Journal, IOS Press, Volume 11, Number 3, 1993.
13. Adel A. Ali and Abdulaziz S. Al-Ruwais, "Effect of Constellation Design, Pulse Shaping and BCH Codes on Performance of M-ary QAM Transmitted Over Gaussian Bandlimited Channels", The Journal of Space Communications, Elsevier Science Publishers B.V., No. 9, 1992.
14. A.A. Ali and A.S. Al-Ruwais, "Diversity and Coding for Frequency-Hopped Spread Spectrum Communication Over a Rician Faded Channel Subject to Pulse-Burst Jamming", The Journal of Space Communications, Elsevier Science Publishers, B.V., No. 9, 1991.
15. A.A. Ali and A.S. Al-Ruwais, "A Comparison of Digital Modulations for Mobile Satellite Channels", The Journal of Space Communication and Broadcasting, Elsevier-Science Publisher B.V. No.6, 1989.
16. A.S. Al-Ruwais and Abdullah M. Al-Brahim, "The Role of Universities in Preparation and Implementation of Technical Training Plans", Proceedings of the Third Saudi Engineering Conference, Vol. 2, p. 597, Nov. 24-27, 1991. (In Arabic).
17. Arabic Translation of the Text Book, "Modern Digital and Analog Communication Systems" by B.P. Lathi, (Co-author).
18. M. Samarkandi and A.S. Al-Ruwais, "Direct Broadcasting via Satellites Over GCC Countries", Technical Report, GCC Publications, 1411. (In Arabic).
19. A.S. Al-Ruwais, "Land Forces EW Training Courses", Internal Report, Signal Corp, Ministry of Defence and Aviation, 1411.
20. Adel A. Ali and A.S. Al-Ruwais, "Investigation of Various Types of Fade Experienced on a Coastal Microwave Link Along the Red Sea", The Journal of Engineering Sciences, King Saud University. Vol. 14(1), 1988.
21. Saleh A. Al-Shebeili and A.S. Al-Ruwais, "A Study of Factors Affecting Performance of two Iterative Deconvolution Techniques", IMTC/87 Proceedings, IEEE Instrumentation/ Measurement Technology Conference, April 27-29, 1987.
22. Saleh A. Al-Shebeili and A.S. Al-Ruwais, "An Efficient Iterative Deconvolution of Noisy Waveforms", IMTC/87 Proceedings, IEEE Instrumentation/Measurement Technology Conference, April 27-29, 1987.
23. Adel A. Ali, Abdulaziz S. Al-Ruwais and Abdulhameed M. Yaqoub, "Code M-ary PSK Performance over Bandlimited Non-linear Satellite Channels", The Journal of Space Communication and Broadcasting, Elsevier Science Publisher B.V. (North-Holland), 1987.
24. A.S. Al-Ruwais and Adel A. Ali, "Analysis of the Fading Problem on Microwave Links Along the West Coast of Saudi Arabia", The Arab Gulf Journal of Scientific Research, Section A, Vol. 5, 1987.
25. A.A. Ali, A.S. Al-Ruwais and A.A. Kadi, “Simulation study of Digital Modulations subject to Multipath Fading”, Proceedings of the 1987 Symposium on Information Theory and its Applications (SITA’87), Nov. 19-21, 1987, Enoshima Island, Japan.
26. A.S. Al-Ruwais and R.T. Compton, Jr., "Adaptive Array Behavior with Phase Modulated Interference", IEEE Trans. Aerospace and Electronic Systems. Vol. AES-23, Sept. 1987.
27. A.S. Al-Ruwais, "Effect of Frequency-Swept Interference on the Performance of an Adaptive Antenna Array", IEEE Montech'86, Conference on Antennas and Communications, Sept. 29 - Oct. 1, 1986, pp. 77-80.
28. A.S. Al-Ruwais and R.T. Compton Jr., "Adaptive Array Behavior with Periodic Envelope Modulated Interference", IEEE Trans. Aerospace and Electronic Systems, Vol. AES-21, Nov. 1985.
29. A.S. Al-Ruwais and R.T. Compton, Jr., "Adaptive Array Behavior with Sinusoidal Envelope Modulated Interference", IEEE Trans. Aerospace and Electronic Systems, Vol. AES-19, No. 5, Sept. 1983.