1. Universiti Kuala Lumpur,Communication Technology Section British Malaysia Institute,Gombak,Malaysia
2. Palastine Technical University-Kadoorie,Department of Telecommunication Technology Engineering,Tulkrarm,Palastine
3. International Islamic University Malaysia,Department of Electrical and Computer Engineering,Kuala Lumpur,Malaysia
4. Universiti Putra Malaysia,Faculty of Engineering,Department of Cmputer and Communication Systems Engineering,Selangor,Malaysia