1. Rajamangala University of Technology Krungthep,Faculty of Engineering,Department of Electrical and Telecommunication Engineering,Bangkok,Thailand,10120
2. Rajamangala University of Technology Isan,Faculty of Engineering and Technology,Department of Telecommunication Engineering,Nakorn Ratchasima,Thailand,30000
3. Research Unit for Computational Electromagnetics and Optical Systems (CEMOS), Mahasarakham University,Faculty of Engineering,Department of Electrical Engineering,Kantarawichai District, Maha Sarakham,Thailand,44150