MING-HUA CHENG1, YAN-JING WU2, WEN-SHYANG HWANG3 AND YONG-SHIN HUANG4
1,3,4Department of Electrical Engineering
National Kaohsiung University of Science and Technology
Jiangong Campus, Kaohsiung, 807 Taiwan
2Department of Information Technology and Communication
Shih Chien University
Kaohsiung Campus, Kaohsiung, 845 Taiwan
E-mail: yanjing@g2.usc.edu.tw