1. Department of Electrical and Electronics Engineering, GMR Institute of Technology, Rajam 532127, India
2. Department of Computer Science and Engineering, School of Engineering and Technology, CHRIST (Deemed to be University), Bangalore 560029, India
3. Department of Electrical and Electronics Engineering, Vardhaman College of Engineering, Shamshabad 501218, India
4. Department of Computer Science, College of Computer and Information Sciences, King Saud University, P.O. Box 51178, Riyadh 11543, Saudi Arabia