1. WiPNET, Computer & Communication System Engineering Department, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
2. Universidad Carlos III de Madrid, Getafe, Madrid, Spain
3. University of Vigo, Vigo, Pontevedra, Spain
4. Space Science Centre (ANGKASA), Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia
5. School of Digital, Technologies and art, Staffordshire University, Stoke-on Trent, U.K.
6. Al-Ma’moon University College, Baghdad, Iraq
7. Liverpool John Moores University, Liverpool, U.K.