1. K L University, Department of Electronics and Communication Engineering, Guntur, Andhra Pradesh, India
2. University of Tunis El Manar, National Engineering, School of Tunis, Communications Systems, (LR-Sys’Com-ENIT), Tunis, Tunisia
3. Mount Zion College of Engineering and Technology, Department of Electronics and Communication Engineering, Pudukkottai, Tamil Nadu, India
4. Government Engineering College, Department of Physics, Bikaner, Rajasthan, India