1. Institute for Computer Science, Faculty of Mathematics and Computer Science, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
2. Department of Electrical Engineering, Institute of Space Technology, Islamabad, Pakistan
3. Department of Space Science, Institute of Space Technology, Islamabad, Pakistan
4. Department of Electronic Engineering, Islamia University of Bahawalpur, Bahawalpur, Pakistan
5. Computer Science Department, King Khalid University, Abha, Saudi Arabia
6. Dipartimento Elettronica e Telecomunicazioni, Politecnico di Torino, Turin, Italy