FRODE EIKA SANDNES1, HUA-LI JIAN2, YO-PING HUANG3 AND YUEH-MIN HUANG4
1Faculty of Engineering
Oslo University College
P.O. Box 4, St. Olavs Plass
Oslo, N-0130 Norway
2Department of Foreign Languages and Literature
4Department of Engineering Science
National Cheng Kung University
Tainan, 701 Taiwan
3Deptartment of Electrical Engineering
National Taipei University of Technology
Taipei, 106 Taiwan