1. Electronics and Communications Engineering Department, Gokongwei College of Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
2. Manufacturing Engineering and Management Department, Gokongwei College of Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
3. Physics Department, College of Science, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines