1. Department of Electronics and Information Technology, Faculty of Electrical Engineering, University of West Bohemia, Pilsen, Czech Republic
2. Department of Electrical Techniques, Qurna Technique Institute, Southern Technical University, Basra, Iraq
3. Department of Electrical Engineering, College of Engineering, University of Basrah, Basrah, Iraq
4. Department of Communications Engineering, University of Diyala, Baqubah, Iraq