1. Electronics and Instrumentation Department, Institute of Technology, Nirma University, Ahmedabad, India
2. Electronics and Communications Engineering Department, Malaviya National Institute of Technology, JLN Marg, Jaipur, India
3. Department of Computer Science and Engineering, University of North Texas, Denton, TX, USA
4. Department of Information and Communication Technology, University of Agder, Kristiansand, Norway