1. Department of Electrical and Electronic Engineering, Khulna University of Engineering & Technology, Khulna 9203, Bangladesh
2. School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
3. Department of Electrical and Biomedical Engineering, University of Nevada, Reno, Nevada 89557, USA
4. Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan