1. National Engineering School of Tunis, University of Tunis El Manar,Tunis,Tunisia
2. Higher School of Communications of Tunis, University of Carthage,Innovation of Communicant & Cooperative Mobiles (Innov'Com) Lab (SUP'COM),Ariana,Tunisia
3. College of Computing and Information Technology, University of Doha for Science and Technology,Qatar
4. Qatar University,Computer Science and Engineering Department,Doha,Qatar