1. Universiti Tenaga Nasional,UNITEN R&D Sdn Bhd,Kajang,Malaysia,43000
2. Wireless and Photonics Networks Research Centre (WiPNET), Universiti Putra Malaysia,UPM Serdang,Malaysia,43400
3. Institute of Power Engineering, Universiti Tenaga Nasional,Kajang,Malaysia,43000