1. Department of Electrical and Electronic Engineering, Faculty of Engineering and Technology, University of Buea, Buea P.O. Box 63, Cameroon
2. National Engineering School of Sousse ENISO Laboratory: Networked Objects, Control, and Communication Systems (NOCCS), National Engineering School of Sousse, Sousse 4054, Tunisia
3. Department of Electrical and Computer Engineering, Debre Markos University, Debre Markos P.O. Box 269, Ethiopia
4. College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait
5. Department of Electrical and Electronic Engineering Technology, Faculty of Engineering and the Built Environment, University of Johannesburg, Johannesburg 2006, South Africa
6. Department of Electrical and Computer Engineering, Hawassa University, Hawassa P.O. Box 05, Ethiopia