1. University of Lagos,Department of Electrical and Electronics Engineering,Nigeria
2. Ruhr University,Institute of Digital Communication,Department of Electrical Engineering and Information Technology,Bochum,Germany,44801
3. Ambrose Alli University,Department of Electrical and Electronics Engineering,Nigeria
4. Vellore Institute of Technology,Department of Communication Engineering,Vellore,Tamil Nadu,India,632014
5. Sule Lamido University,Department of Physics,Nigeria