1. Universiti Tehnologi MARA,College of Engineering,School of Electrical Engineering,40450 Shah Alam,Selangor,Malaysia
2. Universiti Teknologi MARA,Microwave Research Institute,40450 Shah Alam,Selangor,Malaysia
3. Universiti Sultan Zainal Abidin,Faculty of Innovative Design and Technology,21300 Kuala Nerus,Terengganu,Malaysia