Institution: | [1]Department of Electronics Engineering, Catholic University of Daegu, Hayang, Kyeongsan, Kyeongbuk 712-702, R. Korea [2]School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu 702-701, R. Korea [3]LG Corporate Institute of Technology, 16 Woomyeon-dong, Seocho-gu, Seoul 137-14-0, R. Korea |