1. Universiti Putra Malaysia,Faculty of Engineering,Dept. of Electrical and Electronic Engineering,Selangor,Malaysia
2. Universiti Putra Malaysia,Faculty of Engineering,Dept. of Computer and Communication Systems Engineering,Selangor,Malayisa
3. Universiti Teknologi MARA,Faculty of Electrical Engineering,Selangor,Malaysia
4. University of Diyala,College of Engineering,Dept. of Communications Engineering,Diyala,Iraq