1. Department of Electrical Engineering, College of Engineering Taif University, Al-Hawiyah, Saudi Arabia
2. Laboratoire de Technologie Industrielle et de l’Information (LTII) institution, Faculté de Technologie, Université de Bejaia, Bejaia, Algeria
3. Department of Telecommunications and Systems Engineering, Faculty of Engineering, Universitat Autònoma de Barcelona, Barcelona, Spain