Department of Electrical Engineering, Mokpo National University
Room 220, 50, Hyeoksinsandan 1-gil, Naju-si, Jeonnam-Gwangju 58277,
Republic of Korea
E-mail: eojinc@mnu.ac.kr
Department of Electrical Engineering, Mokpo National University
Room 4120, B19, 1666, Yeongsan-ro, Cheonggye-myeon, Muan-gun, Jeonnam 58554,
Republic of Korea