1. Department of Electrical and Electronic Engineering, Technical University, Sunyani, Ghana
2. School of Computer Science, College Dublin, Dublin 4, Ireland
3. School of Electronics, Electrical Engineering and Computer Science, Queen’s University Belfast, Belfast, U.K.
4. Department of Electronics and Information Convergence Engineering, Kyung Hee University, Yongin, South Korea
5. Faculty of Engineering and Applied Science, Memorial University, St. John’s, Canada
6. Electronics Engineering Department, Ho Chi Minh City University of Technology-Vietnam National University, Ho Chi Minh City, Vietnam