1. Department of Electrical and Computing Engineering, Sungkyunkwan University, Suwon, 16419, South Korea
2. Department of Electronics, Chosun College of Science & Technology, Gwanju, 61453, South Korea
3. Digital Broadcasting Examination, Korean Intellectual Property Office, Daejeon, 302-701, South Korea
4. Department of Aircraft Program, Defense Acquisition Program Administration, Gwacheon, 13809, South Korea