1. Faculty of Electronic Technology,Department of Comm Eng,Beni-Walid,Libya
2. University of Tripoli,Department of Comm Eng,Tripoli,Libya
3. Tripoli College for Sciences and Technology,Department of Comm Eng,Tripoli,Libya
4. High Institute of science and Technology-Suk Algumaa,Department of Comm Eng,Tripoli,Libya
5. International Islamic University Malaysia,Department of Electrical and Computer Engineering,Malaysia
6. Taif University P.O. Box 11099,College of Computers and Information Technology,Department of Computer Engineering,Taif,Saudi Arabia,21944